Re: July snapshots
On Mon, 13 Jul 2009 08:31:44 -0500 Andrew Gould andrewlylego...@gmail.com wrote: Does anyone know if any snapshots (iso files at ftp://ftp.freebsd.org/pub/FreeBSD/snapshots/) will created in July? I don't know, but you can always find daily snapshots at http://pub.allbsd.org/FreeBSD-snapshots/ -- Bruce Cran ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: turning off the wireless network radio
On 7/14/09, Chad Perrin per...@apotheon.com wrote: On Tue, Jul 14, 2009 at 12:20:25PM +0200, Maciej Milewski wrote: Dnia wtorek 14 lipiec 2009 o 07:38:49 Chad Perrin napisal/(a): I'm having a real bitch of a time trying to figure out how to shut down the wireless adapter's radio. The driver module won't unload as long as the adapter is active, and neither ifconfig nor iwicontrol are providing a solution either. I'm using (as you may have guessed by mention of iwicontrol) an Intel wireless adapter, with if_iwi.ko as my driver module. It's an Intel PRO/Wireless 2200BG Network Connection according to pciconf -lv. Thanks in advance. You can try doing this by software switch: sysctl -a | grep rfkill dev.ath.0.rfkill: 0 This switch should disable radio. I don't know if it is supported by iwi driver but you can try. At first glance, it looks like the iwi equivalent is dev.iwi.0.radio, where 1 is on and 0 is off. It won't let me set it to 0, though, claiming it's a read-only sysctl setting. . . . and trying to set the debug.iwi sysctl setting to 1 caused the computer to reboot (not intended behavior, I'm sure). Bah. I wonder if Please provide backtrace. there's something wrong with my driver. -- Chad Perrin [ original content licensed OWL: http://owl.apotheon.org ] Quoth Steinbach's Guideline for Systems Programmers: Never test for an error condition you don't know how to handle. -- Paul ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
offer laptop accessory 17
To: Purchase Dept I am very happy to know you from website http://www.freebsddiary.org that you are doing business of laptop parts. This is Bill from HongKong Flier Developers Co.,Limited, a reputed supplier of laptop battery. Now we are able to provide more than 250pcs batteries for different models, developing new models every month. We have put much importance to quality control and service, so with low RMA. Besides replacement laptop battery, we also have a wide and stable source for original/genuine HDD, laptop batteries, laptop adapters. I would like to provide detailed pricelists if you request, and hope that we have chance to do lots of business in the future. We apologize for any inconviences if you are not interested in the offer! Thank you! Have a nice day! Bill Luo (Sales Supervisor) HongKong Flier Developers Co.,Limited Tel: +86-755-2828 4807Fax: +86-755-8957 8417 www.flierdevelopers.com b...@flierdevelopers.com billfl...@hotmail.com ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: Automatic screen lock when leaving desk
Hi all, Frederique Rijsdijk wrote: I'm looking for a way to automaticaly lock my X session when I leave my desk. Probably just using 'xlockmore -mode blank' or such. But how to detect? Thanks all for the replies. To answer some questions: - I prefer automatic. I already have a key on my kb mapped to 'xlockmore -mode blank', but in some rare cases I still forget to do it, or I'm in an application that overrides the mapping and the key will not work. I'm using a DasKeyboard, that doesn't have any 'unused' keys like media stuff. I guess I'll look into the bluetooth thing. That looks quite doable. Thanks! -- Frederique ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
What does one call name server registration?
Hi, I'm having a problem making myself clear to my domain name registrar's tech support. I have set up djbdns on a couple of my own servers, and want them registered AS name servers with whoever handles such registration. Most registrars allow one to just enter their hostnames and IPs and they take care of it automagically. But my once-beloved registrar HJ Linnen just outsourced all their registration services to NameScout, and they haven't got a clue. When I looked into it in my account page at NameScout, they said to email tech support, so I did. And tech support replied with the end-user instructions for assigning name servers to the domains one has registered with them. That's not what I want. What I have are two pairs in the following format: 1.2.3.4 a.ns.example.com 5.6.7.8 b.ns.example.com I would like a domain to be able to set its name servers to be a.ns.example.com and b.ns.example.com, and then when that domain is resolved the lookup is delegated to either 1.2.3.4 or 5.6.7.8. What is the process called, of registering such name servers? If I can tell NameScout support to do that for me, possibly they can get themselves a clue on my behalf. Thanks! Mike -- Michael David Crawford m...@prgmr.com prgmr.com - We Don't Assume You Are Stupid. Xen-Powered Virtual Private Servers: http://prgmr.com/xen ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: What does one call name server registration?
Hi Mike, What I have are two pairs in the following format: 1.2.3.4 a.ns.example.com 5.6.7.8 b.ns.example.com I think that what you are looking for is what is called NS reccord for the domain ns.example.com Good luck, Olivier ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: Automatic screen lock when leaving desk
Chad Perrin wrote: On Tue, Jul 14, 2009 at 05:32:01PM +0200, Frederique Rijsdijk wrote: Hi, I'm looking for a way to automaticaly lock my X session when I leave my desk. Probably just using 'xlockmore -mode blank' or such. But how to detect? Why does it have to be automatic? Something like xlockmore or slock can be tied to a keyboard shortcut, such as Ctrl+Alt+L. If for some reason you require automatic locking, though, you could perhaps set up some kind of Bluetooth connection detection if you have a Bluetooth enabled cellphone in your pocket (or something else that would work as a Bluetooth token) and if your computer has the right hardware. I imagine writing a daemon in Perl or Ruby that checks for loss of a Bluetooth connection would be easier than getting Bluetooth working in the first place might be, depending on the state of Bluetooth support in FreeBSD. I'm not really well-versed in the ephemera of what is used to determine inactivity on a computer, but if it's reasonably easy (or if there's a Perl module for it), that seems like the obvious way to handle it -- though of course that may present problems, such as false positives on detecting inactivity when watching a movie on the computer or something like that. I used to be a NeXTie, and the Screensaver.app there had a really nifty little feature. I'm surprised it's not been copied into other screensaver applications since, as it's pretty simple. They just had a facility where moving the mouse cursor to one corner of the screen and leaving it still for a few seconds would cause the screen saver / screen lock to come on straight away. Conversely you could designate another corner of the screen as don't turn on screensaver even after an extended period of idleness. Being a NeXT app this was all configurable by dragging little '+' or '-' icons around a scaled down image of the screen, or off it entirely if you didn't want that facility. Cheers, Matthew -- Dr Matthew J Seaman MA, D.Phil. 7 Priory Courtyard Flat 3 PGP: http://www.infracaninophile.co.uk/pgpkey Ramsgate Kent, CT11 9PW signature.asc Description: OpenPGP digital signature
Re: What does one call name server registration?
On Wed, Jul 15, 2009 at 12:52 PM, Michael David Crawford m...@prgmr.comwrote: Hi, I'm having a problem making myself clear to my domain name registrar's tech support. I have set up djbdns on a couple of my own servers, and want them registered AS name servers with whoever handles such registration. Most registrars allow one to just enter their hostnames and IPs and they take care of it automagically. But my once-beloved registrar HJ Linnen just outsourced all their registration services to NameScout, and they haven't got a clue. When I looked into it in my account page at NameScout, they said to email tech support, so I did. And tech support replied with the end-user instructions for assigning name servers to the domains one has registered with them. That's not what I want. What I have are two pairs in the following format: 1.2.3.4 a.ns.example.com 5.6.7.8 b.ns.example.com I would like a domain to be able to set its name servers to be a.ns.example.com and b.ns.example.com, and then when that domain is resolved the lookup is delegated to either 1.2.3.4 or 5.6.7.8. What is the process called, of registering such name servers? If I can tell NameScout support to do that for me, possibly they can get themselves a clue on my behalf. Thanks! Mike -- Michael David Crawford m...@prgmr.com prgmr.com - We Don't Assume You Are Stupid. Xen-Powered Virtual Private Servers: http://prgmr.com/xen ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org Hello Mike, Just to point it out what i understand from your post is that you want the NSs to authoritative for your domain (example.com). So when someone queries for xyz.example.com your servers (a.ns.example OR b.ns.example.com) answer that query. Lets suppose the following example: You have 2 server that you want to enable BIND (or whatever DNS application) so they are authoritative for example.com. Server A - 1.2.3.4 - ns.A.example.com Server B - 5.6.7.8 - ns.B.example.com First when you register a domain you must point a NS for that domain. So when you register example.com you will assign ns.A.example.com (and B) as NSs for that particular domain. Now if the NS for one domain has the name of the domain in it (sort of speak, excuse my non-tech language) as ns.A.*example.com* does you need a so called GLUE record for those NSs. There you point out the IP add of the NS in question. Hope I understood right what you want and that my post helps you. a great day, v -- network warrior since 2005 ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: Automatic screen lock when leaving desk
On Wed, 15 Jul 2009 11:45:02 +0100, Matthew Seaman m.sea...@infracaninophile.co.uk wrote: I used to be a NeXTie, and the Screensaver.app there had a really nifty little feature. I'm surprised it's not been copied into other screensaver applications since, as it's pretty simple. They just had a facility where moving the mouse cursor to one corner of the screen and leaving it still for a few seconds would cause the screen saver / screen lock to come on straight away. Conversely you could designate another corner of the screen as don't turn on screensaver even after an extended period of idleness. Being a NeXT app this was all configurable by dragging little '+' or '-' icons around a scaled down image of the screen, or off it entirely if you didn't want that facility. This feature has been implemented in the (original) Norton Commander (Version 4 or 5, I think), but just as a screensaver, no real lock. Remember, it was DOS. -- Polytropon From Magdeburg, Germany Happy FreeBSD user since 4.0 Andra moi ennepe, Mousa, ... ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: July snapshots
On Wed, Jul 15, 2009 at 1:52 AM, Bruce Cranbr...@cran.org.uk wrote: On Mon, 13 Jul 2009 08:31:44 -0500 Andrew Gould andrewlylego...@gmail.com wrote: Does anyone know if any snapshots (iso files at ftp://ftp.freebsd.org/pub/FreeBSD/snapshots/) will created in July? I don't know, but you can always find daily snapshots at http://pub.allbsd.org/FreeBSD-snapshots/ -- Bruce Cran Thanks, You just saved me a lot of compile time. Andrew ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: What does one call name server registration?
Valentin and Olivier, Thank you very much for your kind help. I think what I needed were *both* NS and GLUE records. The NS record establishes a host as a nameserver, and the GLUE record allows the name server's own domain name to be within the domain it is the name server for - that is, GLUE records prevent infinite loops when looking up the domain it is a part of. I found a page in NameScout's Help section that said that if I just enter a totally new name server into my domain admin, they would take care of registering it automatically. That seems to have worked, but it was not at all obvious that that's what I needed to do. They also don't have any kind of automated interface for changing the name server info - one has to email tech support to do that. I could see it causing a lot of trouble, if confused users enter incorrect info, and NameScout interprets that as a request to establish NS and GLUE records for a new name server! Clearly, I myself have a lot of studying to do. The Wikipedia article on the Domain Name System is very helpful, for anyone else wanting info on this topic. Mike -- Michael David Crawford m...@prgmr.com prgmr.com - We Don't Assume You Are Stupid. Xen-Powered Virtual Private Servers: http://prgmr.com/xen ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: Automatic screen lock when leaving desk
On Wednesday 15 July 2009 12:45:02 Matthew Seaman wrote: I used to be a NeXTie, and the Screensaver.app there had a really nifty little feature. I'm surprised it's not been copied into other screensaver applications since, as it's pretty simple. They just had a facility where moving the mouse cursor to one corner of the screen and leaving it still for a few seconds would cause the screen saver / screen lock to come on straight away. Conversely you could designate another corner of the screen as don't turn on screensaver even after an extended period of idleness. Being a NeXT app this was all configurable by dragging little '+' or '-' icons around a scaled down image of the screen, or off it entirely if you didn't want that facility. KDE 3.5 provides this feature - it's under Advanced Options on the screensaver configuration. ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: What does one call name server registration?
Michael David Crawford wrote: Valentin and Olivier, Thank you very much for your kind help. I think what I needed were *both* NS and GLUE records. The NS record establishes a host as a nameserver, and the GLUE record allows the name server's own domain name to be within the domain it is the name server for - that is, GLUE records prevent infinite loops when looking up the domain it is a part of. Yes and no. Glue records make it possible to find the the NS in the first place; you're avoiding a broken chain rather than any risk of loops. zone for example.com mydomainIN NS ns.mydomain.example.com. zone for mydomain.example.com IN NS ns.mydomain.example.com. ns IN A 123.123.123.123 If you have the above, you've properly delegated the mydomain.example.com zone to ns.mydomain.example.com, but you'll never reach anything in that zone, as the only A record for the server is in the zone you're trying to find the server for, and you have no idea where that server is... So you have to put a ns.mydomain.example.com.IN A 123.123.123.123 record in the example.com zone so that recursive lookups can find that one critical address and access the mydomain zone. That's the glue record. -- --Jon Radel j...@radel.com smime.p7s Description: S/MIME Cryptographic Signature
Re: Install from a USB Pen
On 7/14/09, Fbsd1 fb...@a1poweruser.com wrote: What are the instructions for using this 8.0 memstick.img? What raw size memstick is needed? Is the 8.0 memstick.img the same content as the cd1 disk? Sigh. Reply-to-all fail. Resending. It's all in the email about the 8.0 BETA(s). Use dd, a memstick that is of equal to or greater size than the memstick.img, and no, it's different from disc1. It currently lacks packages, but it does include livefs. -- randi ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Chelsio T320 10GE-Adapter - things to consider for FreeBSD 7.2?
Hi, I'd like to install a Chelsio T320 10GE Adapter in one of our systems running 7.2 (AMD64). As far as I've read FreeBSD comes with the drivers for this beast (cxgb(4))already. Can the corresponding interface be configured with ifconfig just like any other interface? Anything special to consider? Update for firmware needed - if yes, can it be done directly from FreeBSD? Thanks much in advance for any clue, -ewald ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: Bash and arrays
On Jul 15, 2009, at 12:53 AM, Dan Nelson wrote:
In the last episode (Jul 15), Bryan Venteicher said:
I thought I understood how arrays work in bash, but I have been
proven
wrong. I am reading lines from a file and placing them in an array.
However, when I am finished, the array has a length of 0.
Following is the code I am using.
#!/usr/local/bin/bash
COUNTER=0
cat ./test_file.txt | while read LINE
do
echo ${LINE}
FOO[${COUNTER}]=${LINE}
COUNTER=`expr ${COUNTER} + 1`
done
echo ${#f...@]}
echo ${#FOO[*]}
And, here is the output.
test_file
file_size
0
0
Thanks in advance for any help you can offer.
The right hand side of the pipe is running in its own subshell so
it has its own copy of FOO.
One fix is
#!/usr/local/bin/bash
COUNTER=0
while read LINE
do
echo ${LINE}
FOO[${COUNTER}]=${LINE}
COUNTER=`expr ${COUNTER} + 1`
done ./test_file.txt
Another alternative would be to use zsh, which makes sure that the
last
component of a pipeline is run in the current shell process so the
original
script would have worked.
--
Dan Nelson
dnel...@allantgroup.com
Thanks to everyone for their help. I had forgotten the right side of
the pipe runs in its own subshell.
Jay
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PPPoE server (high traffic in WDM network)
Hello, I am using since over 10 years Debian GNU/Linux and 3 years longer NetBSD. Also I have a running PicoBSD box. Now I have a problem more grave... I am ongoing to install a CWDM (1GE) and DWDM (10GE) network for the Alvarion BreezeACCESS VL (38 base stations) and more then 200 Iskratel FTTH DSLAMS of 96 ports (each with 100MBit, but only one 1GE Upstream) each. What I now need are a PPPoE Severs (round-robin and loadbalancing) which must work using FreeRadius and PostgreSQL. There was someone on the debian-isp which has suggested me to use FreeBSD, because the PPPoE it is already build to authenticate against Radius. So, what I like to know is, if I have a 1GE and 10GE network, how many clients can one PPPoE Server handel and what are the CPU/Memory requirements? There is a little problem to get small but reliabel Servers with TWO 10GE interfaces. I think, consumer mainboards are not suitabel even someone told me under Linux, I need 2 MHz CPU-Speed and 2 MByte of Memory per client... Please note, that I am ongoing ISP with over 150.000 customers in DE between Freiburg and Karlsruhe (Baden-Württemberg) and using consumer mainboards is NOT reliabel since in the last 6 years I lost at least 20 per year in 280 Low-Cost Servers. A Sun Fire X4100M2 would be more reliabel... but even the smallest CPU would be overkill because the machine has only 1GE interfaces. Any suggestions? Note 1: Even if I use a Sun Fire, I would prefer a microBSD running from an industrial SD/CF card. Note: Please do NOT CC me, I am on the list and read it... Thanks, Greetings and nice Day/Evening Michelle Konzack Systemadministrator Tamay Dogan Network Debian GNU/Linux Consultant -- Linux-User #280138 with the Linux Counter, http://counter.li.org/ # Debian GNU/Linux Consultant # http://www.tamay-dogan.net/ Michelle Konzack http://www.can4linux.org/ c/o Vertriebsp. KabelBW http://www.flexray4linux.org/ Blumenstrasse 2 Jabber linux4miche...@jabber.ccc.de 77694 Kehl/Germany IRC #Debian (irc.icq.com) Tel. DE: +49 177 9351947 ICQ #328449886Tel. FR: +33 6 61925193 ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: Chelsio T320 10GE-Adapter - things to consider for FreeBSD 7.2?
On Wed, Jul 15, 2009 at 12:14 PM, Ewald Jenisch a...@jenisch.at wrote: Hi, I'd like to install a Chelsio T320 10GE Adapter in one of our systems running 7.2 (AMD64). As far as I've read FreeBSD comes with the drivers for this beast (cxgb(4))already. Can the corresponding interface be configured with ifconfig just like any other interface? Anything special to consider? Update for firmware needed - if yes, can it be done directly from FreeBSD? Thanks much in advance for any clue, -ewald I think you'll find most of your answers here: man cxgb I have no idea on the stability of the driver though. -- Adam Vande More ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: What does one call name server registration?
Michael David Crawford wrote: Hi, I'm having a problem making myself clear to my domain name registrar's tech support. I have set up djbdns on a couple of my own servers, and want them registered AS name servers with whoever handles such registration. Most registrars allow one to just enter their hostnames and IPs and they take care of it automagically. But my once-beloved registrar HJ Linnen just outsourced all their registration services to NameScout, and they haven't got a clue. When I looked into it in my account page at NameScout, they said to email tech support, so I did. And tech support replied with the end-user instructions for assigning name servers to the domains one has registered with them. That's not what I want. What I have are two pairs in the following format: 1.2.3.4 a.ns.example.com 5.6.7.8 b.ns.example.com I would like a domain to be able to set its name servers to be a.ns.example.com and b.ns.example.com, and then when that domain is resolved the lookup is delegated to either 1.2.3.4 or 5.6.7.8. What is the process called, of registering such name servers? If I can tell NameScout support to do that for me, possibly they can get themselves a clue on my behalf. Thanks! Mike ### Aloha, You can use Dotster to register any server right from the web-interface. No people no nothing to deal with. Doesn't your registrar have that service? -- ~Al Plant - Honolulu, Hawaii - Phone: 808-284-2740 + http://hawaiidakine.com + http://freebsdinfo.org + + http://aloha50.net - Supporting - FreeBSD 6.* - 7.* - 8.* + email: n...@hdk5.net All that's really worth doing is what we do for others.- Lewis Carrol ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
5000' ethernet?
Not directly FreeBSD related, but how much of a chance is there that two machines could communicate directly over 5,000 feet of cat5 with no special hardware? IIRC the classic ethernet problem limiting the distance between the farthest points on a network had to do with timing and collisions. If these two NICs are configured full duplex then it seems one would have no idea how far away the other was due to timing issues. 100baseT uses lower power drivers than 10baseT, so perhaps 10baseT would work better. In any case, have boxes of cat5 on order so as to find out myself. Are there any particular range extenders you have used and would recommend for making this task a sure thing on the first try? Perhaps I should put an inexpensive ethernet switch at each junction to serve as a regenerative repeater? -- David Kelly N4HHE, dke...@hiwaay.net Whom computers would destroy, they must first drive mad. ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: 5000' ethernet?
David Kelly wrote: Not directly FreeBSD related, but how much of a chance is there that two machines could communicate directly over 5,000 feet of cat5 with no special hardware? IIRC the classic ethernet problem limiting the distance between the farthest points on a network had to do with timing and collisions. If these two NICs are configured full duplex then it seems one would have no idea how far away the other was due to timing issues. 100baseT uses lower power drivers than 10baseT, so perhaps 10baseT would work better. In any case, have boxes of cat5 on order so as to find out myself. Are there any particular range extenders you have used and would recommend for making this task a sure thing on the first try? Perhaps I should put an inexpensive ethernet switch at each junction to serve as a regenerative repeater? Aloha, About a year ago we had to do this and the solution was a fiber optic cable between the PC's and server room. Used 1000 Nic cards at each end. ~Al Plant - Honolulu, Hawaii - Phone: 808-284-2740 + http://hawaiidakine.com + http://freebsdinfo.org + + http://aloha50.net - Supporting - FreeBSD 6.* - 7.* - 8.* + email: n...@hdk5.net All that's really worth doing is what we do for others.- Lewis Carrol ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Fund Raising Programs
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Re: 5000' ethernet?
Hello David, Am 2009-07-15 14:47:18, schrieb David Kelly: Not directly FreeBSD related, but how much of a chance is there that two machines could communicate directly over 5,000 feet of cat5 with no special hardware? I do not know hoe much a feet is in meters but AFAIK arround 0,3 which mean, you are talking about 1.5km or 1 mile ? I would say, NO chance with Ethernet... it is limited to 500 meters. 100baseT uses lower power drivers than 10baseT, so perhaps 10baseT would work better. There are inexpensive FiberOptic Transponder (I am using a bunch of it from Transmode for my CWDM 1GE and DWDM 10GE network) The 100 Mbit Transponder cost arround 600 Euro (each) and for your 5000 feets you need only an inexpensive FiberOptic cable. EVEN the cheapes one would transfer 1 Gbit at this distance. Are there any particular range extenders you have used and would recommend for making this task a sure thing on the first try? Perhaps I should put an inexpensive ethernet switch at each junction to serve as a regenerative repeater? You have to use at least 3 Repeaters which NEED electricity. Do you know this? 5000 feet CAT5, 3 Repeater plus electric installation cost more, then the FiberOptic Cable with two Transponder. And of course, no one can sniff traffic on FiberOptic and you have no worry about magnetic fields disturbing your 5000 feet... Thanks, Greetings and nice Day/Evening Michelle Konzack Systemadministrator Tamay Dogan Network Debian GNU/Linux Consultant -- Linux-User #280138 with the Linux Counter, http://counter.li.org/ # Debian GNU/Linux Consultant # http://www.tamay-dogan.net/ Michelle Konzack http://www.can4linux.org/ c/o Vertriebsp. KabelBW http://www.flexray4linux.org/ Blumenstrasse 2 Jabber linux4miche...@jabber.ccc.de 77694 Kehl/Germany IRC #Debian (irc.icq.com) Tel. DE: +49 177 9351947 ICQ #328449886Tel. FR: +33 6 61925193 ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: 5000' ethernet?
On Wed, Jul 15, 2009 at 10:27:35PM +0200, Michelle Konzack wrote: Hello David, Am 2009-07-15 14:47:18, schrieb David Kelly: Not directly FreeBSD related, but how much of a chance is there that two machines could communicate directly over 5,000 feet of cat5 with no special hardware? I do not know hoe much a feet is in meters but AFAIK arround 0,3 which mean, you are talking about 1.5km or 1 mile ? Yes, roughly a mile which is 5280 feet. Maybe less, but no more than a mile. Won't really know until I get there and start running cable. There are inexpensive FiberOptic Transponder (I am using a bunch of it from Transmode for my CWDM 1GE and DWDM 10GE network) The 100 Mbit Transponder cost arround 600 Euro (each) and for your 5000 feets you need only an inexpensive FiberOptic cable. EVEN the cheapes one would transfer 1 Gbit at this distance. What I'm not (yet) seeing is a fiber optic transceiver listed with matching fiber optic cable. The transceivers seem inexpensive vs the cost of the cable. Are there any particular range extenders you have used and would recommend for making this task a sure thing on the first try? Perhaps I should put an inexpensive ethernet switch at each junction to serve as a regenerative repeater? You have to use at least 3 Repeaters which NEED electricity. Do you know this? Yes, of course. 5000 feet CAT5, 3 Repeater plus electric installation cost more, then the FiberOptic Cable with two Transponder. And of course, no one can sniff traffic on FiberOptic and you have no worry about magnetic fields disturbing your 5000 feet... No one is going to sniff *this* one. Am not finding sources of fiber optic cable as easily as I can find fiber optic transceivers. 100baseT ethernet switches are about $25 each if one will serve as a regenerative repeater. Did I mention this is a temporary installation? -- David Kelly N4HHE, dke...@hiwaay.net Whom computers would destroy, they must first drive mad. ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: OFFTOPIC: HP DL1xx vs IBM x3250 vs DELL R200
On Wed, 15 Jul 2009 08:53:04 +0300, Peter peterp...@aboutsupport.com said: P I wanted to get some feedback about HP DL1xx vs IBM x3250 vs DELL R200 P since if they are more silent than supermicro I can go with them. Something else to consider - I have two IBM x3400 boxes running 7.1, but unfortunately I'll have to move to either Red Hat or SUSE Enterprise Linux to get support from IBM. The boxes work fine most of the time, but about every 40-60 days one of them will simply stop working with no dumpfile, error message, or anything else. A power-cycle is needed to reboot. The hardware's been checked, and the firmware's all up to date. I don't know if an x3250 and an x3400 are close enough hardware-wise for this to matter. -- Karl Vogel I don't speak for the USAF or my company Top oxymorons #25: Software documentation ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: 5000' ethernet?
20090715202734.gh29...@tamay-dogan.net 20090715210752.ge16...@grumpy.dyndns.org From: Mikel mikel.k...@olivent.com Date: Wed, 15 Jul 2009 17:38:21 -0400 Content-type: text/plain; charset=US-ASCII Content-transfer-encoding: 7bit David, You can run upto 1.5 miles on a lx fiber based solution but will likely require a skilled installer to setup that much cable for you. Depending on your locale I am may be able to put connect you to a supplier. Have you considered a wireless direct beam solution? Especially considering the 'temporary' nature of this install. ___ Cheers, Mikel King CEO, Olivent Technologies follow-me http://twitter.com/mikelking .. Original Message ... On Wed, 15 Jul 2009 16:07:52 -0500 David Kelly dke...@hiwaay.net wrote: On Wed, Jul 15, 2009 at 10:27:35PM +0200, Michelle Konzack wrote: Hello David, Am 2009-07-15 14:47:18, schrieb David Kelly: Not directly FreeBSD related, but how much of a chance is there that two machines could communicate directly over 5,000 feet of cat5 with no special hardware? I do not know hoe much a feet is in meters but AFAIK arround 0,3 which mean, you are talking about 1.5km or 1 mile ? Yes, roughly a mile which is 5280 feet. Maybe less, but no more than a mile. Won't really know until I get there and start running cable. There are inexpensive FiberOptic Transponder (I am using a bunch of it from Transmode for my CWDM 1GE and DWDM 10GE network) The 100 Mbit Transponder cost arround 600 Euro (each) and for your 5000 feets you need only an inexpensive FiberOptic cable. EVEN the cheapes one would transfer 1 Gbit at this distance. What I'm not (yet) seeing is a fiber optic transceiver listed with matching fiber optic cable. The transceivers seem inexpensive vs the cost of the cable. Are there any particular range extenders you have used and would recommend for making this task a sure thing on the first try? Perhaps I should put an inexpensive ethernet switch at each junction to serve as a regenerative repeater? You have to use at least 3 Repeaters which NEED electricity. Do you know this? Yes, of course. 5000 feet CAT5, 3 Repeater plus electric installation cost more, then the FiberOptic Cable with two Transponder. And of course, no one can sniff traffic on FiberOptic and you have no worry about magnetic fields disturbing your 5000 feet... No one is going to sniff *this* one. Am not finding sources of fiber optic cable as easily as I can find fiber optic transceivers. 100baseT ethernet switches are about $25 each if one will serve as a regenerative repeater. Did I mention this is a temporary installation? -- David Kelly N4HHE, dke...@hiwaay.net Whom computers would destroy, they must first drive mad. ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: Attempting ZFS Only Install of 7.2
On Mon, Jul 13, 2009 at 18:09, Drew Tomlinson d...@mykitchentable.netwrote: Jason Garrett wrote: On Mon, Jul 13, 2009 at 13:30, Drew Tomlinson d...@mykitchentable.netmailto: d...@mykitchentable.net wrote: Jason Garrett wrote: snip I see you tried the zpool import and export, but did you perform `mkdir /boot/zfs` directly before `zpool export tank zpool import tank` ? I just have to ask because I did not see that specified, and you mention not being able to find zpool.cache. /boot/zfs is where zpool.cache hides out. Yes I did. However I figured out my problem. I was chrooted into /dist and the zpool.cache was being written to /boot/zfs (as you mention). But because of the chroot, when I checked /boot/zfs, I was *really* checking /dist/boot/zfs. Thus my problem. :) However I'm still having difficulty. I suspect I don't have a /boot/loader that supports zfs filesystems as I just boot to the 'OK prompt. An 'lsdev' only shows BIOS devices but I've seen posts on the Net that indicate I should have zfs devices listed there too if I have a proper /boot/loader. I've used the one from both 7.2-RELEASE.iso and 8.0-BETA1.iso but no luck. Do you know of any way I can confirm or deny my suspicion? I am in the same spot you are now. I started the process yesterday but had to quit because it got too late. Apparently the few who have written these guides have gotten it to work, but that still eludes me. I'll post back if I get it working or have any new developments. Well you're doing better than me. I've been at this for about 10 days off and on. :) Cheers, Drew Ok, now a few days later and still frustrated. Basically I narrowed my install down to one drive, divided up with gpt. I used a few sections from http://wiki.freebsd.org/ZFSOnRootWithZFSboot - specifially the section on installing the sources from /dist/8.0-BETA1 as well as rebuilding the loader as this guide says. I actually got it to load the kernel, goes through that ok. As soon as it tries to mount the root filesystem, it hangs with the following messages. (Won't respond to the keyboard anymore) --- Trying to mount root from zfs:zroot ROOT MOUNT ERROR: If you have invalid mount options, reboot, and first try the following from the loader prompt: set vfs.root.mountfrom.options=rw (did this,no luck.. also switched to an /etc/fstab layout, still no go) and then remove the invalid mount options from /etc/fstab. Loader Variables: vfs.root.mountfrom=zfs:zroot vfs.root.mountfrom.options=rw,noatime (this is from the /etc/fstab attempt) -- Then it describes some specifications on how to use the fstype:device. I just don't get how some are getting this working, yet it comes so hard for others. Drew, I hope you have had better luck than I. I may just give up until it is a viable solution. -- Be a Great Magician! Visit The Alchemist's Warehouse http://www.alchemistswarehouse.com ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: Automatic screen lock when leaving desk
On Wed, Jul 15, 2009 at 11:45:02AM +0100, Matthew Seaman wrote: I used to be a NeXTie, and the Screensaver.app there had a really nifty little feature. I'm surprised it's not been copied into other screensaver applications since, as it's pretty simple. They just had a facility where moving the mouse cursor to one corner of the screen and leaving it still for a few seconds would cause the screen saver / screen lock to come on straight away. Conversely you could designate another corner of the screen as don't turn on screensaver even after an extended period of idleness. Being a NeXT app this was all configurable by dragging little '+' or '-' icons around a scaled down image of the screen, or off it entirely if you didn't want that facility. Does /usr/ports/x11/xscreensaver.app do this? It almost certainly requires the GNUStep framework as a dependency, but you may find a number of old friends (applications you liked) are available for that framework, in varying states of faithfulness to what you remember. If you like the old interface as a whole, you might try using WindowMaker with the GNUStep framework. I actually used WindowMaker/GNUStep for a while, and liked it, but eventually decided I liked Sawfish slightly more, then that I liked AHWM a *lot* more. -- Chad Perrin [ original content licensed OWL: http://owl.apotheon.org ] Quoth Alan Kay: I invented the term 'Object-Oriented', and I can tell you I did not have C++ in mind. pgpc0w4wExAkF.pgp Description: PGP signature
Re: 5000' ethernet?
Hello *, Am 2009-07-15 17:38:33, schrieb mikel.k...@olivent.com: David, You can run upto 1.5 miles on a lx fiber based solution but will likely require a skilled installer to setup that much cable for you. Depending on your locale I am may be able to put connect you to a supplier. Have you considered a wireless direct beam solution? Especially considering the 'temporary' nature of this install. I could recommend the Alvarion BreezeNet B100 (or the B300). However, they are working in the 3.8 GHz and 5.0-5.8 GHz Band but have a range up to 40km (25miles). Here in Germany I have payed 3800 Euro for a complete 100 Mbit Bridge. Thanks, Greetings and nice Day/Evening Michelle Konzack Systemadministrator Tamay Dogan Network Debian GNU/Linux Consultant -- Linux-User #280138 with the Linux Counter, http://counter.li.org/ # Debian GNU/Linux Consultant # http://www.tamay-dogan.net/ Michelle Konzack http://www.can4linux.org/ c/o Vertriebsp. KabelBW http://www.flexray4linux.org/ Blumenstrasse 2 Jabber linux4miche...@jabber.ccc.de 77694 Kehl/Germany IRC #Debian (irc.icq.com) Tel. DE: +49 177 9351947 ICQ #328449886Tel. FR: +33 6 61925193 ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: 5000' ethernet?
David Kelly wrote: Not directly FreeBSD related, but how much of a chance is there that two machines could communicate directly over 5,000 feet of cat5 with no special hardware? IIRC the classic ethernet problem limiting the distance between the farthest points on a network had to do with timing and collisions. If these two NICs are configured full duplex then it seems one would have no idea how far away the other was due to timing issues. No. Ethernet uses a protocol design called Carrier Sense Multiple Access with Collision Detect, or CSMA/CD. The maximum lengths are indeed related to timing and the timing is a direct result of the propagation delay in the medium. The velocity factor will be some percentage of the speed of light. So the time it takes for the smallest Ethernet frame to get from the two farthest nodes will determine a window in which the two most distant nodes upon attempting a transmit can tell that a collision occurred and retransmit. The node(s) attempting to recover from a collision condition will each generate a random time back off in the hope that one will begin a packet transmission not at the same time as the other. The timing patterns of the frames are finite and not infinitely adjustable, e.g. there are limits which will declare a packet was not received and a resend is therefore required. What you will experience with 5,000 of Cat5 in full duplex is these limits will always be exceeded and the endpoints will believe no packets are arriving at their destinations and lock itself into a continual resend loop. When both ends do this you will have essentially either very little, or zero throughput. The max distance for UTP is 328 ft. Divide the 5,000 by 328 and it will tell you how many bridges, hubs, or switches you will need to regenerate the signal. You may find devices purporting to 'range extenders', but even these will have distance limitations requiring more than one. Foofaraw. 100baseT uses lower power drivers than 10baseT, so perhaps 10baseT would work better. In any case, have boxes of cat5 on order so as to find out myself. [snip] Sounds like a waste of time. Single mode fiber can support GB speeds some as far as 10km. Single mode fiber is what you want to look at for this distance. I'm not as current with long haul wireless links, but you may also find this could be done with the right wireless endpoints and good antennae, albeit you won't get the speed single mode fiber is capable of. -Mike ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
feet to metres [was: 5000' ethernet?]
On Wed 2009-07-15 22:27:35 UTC+0200, Michelle Konzack (bsd4miche...@tamay-dogan.net) wrote: Not directly FreeBSD related, but how much of a chance is there that two machines could communicate directly over 5,000 feet of cat5 with no special hardware? I do not know hoe much a feet is in meters but AFAIK arround 0,3 which mean, you are talking about 1.5km or 1 mile ? Just FYI, you can use FreeBSD's 'units' (/usr/bin/units) to convert feet to metres: $ units 5000 feet metres * 1524 There is also a more advanced version in /usr/ports/math/units/ that installs to /usr/local/bin/gunits. ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Virtualbox Bridged networking
Hi, I'm using VirtualBox 2.2.51_OSE r20451 and found in the wiki that Bridged networking is not ported yet :-(. Any news about this?. Leonardo M. Ramé http://leonardorame.blogspot.com ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: Attempting ZFS Only Install of 7.2
Top Post, I know... but has anyone on @current tried a full on ZFS on ROOT with GPTZFSBOOT? Both Drew and I have both tried the guide at http://lulf.geeknest.org/blog/freebsd/Setting_up_a_zfs-only_system/ (dead link now :( ) I get as far as the message I detailed before using parts from another guide. I am hoping for both of us, that someone here knows even a little bit. Thanks, Jason On Wed, Jul 15, 2009 at 17:12, Jason Garrett kinged...@gmail.com wrote: On Mon, Jul 13, 2009 at 18:09, Drew Tomlinson d...@mykitchentable.netwrote: Jason Garrett wrote: On Mon, Jul 13, 2009 at 13:30, Drew Tomlinson d...@mykitchentable.netmailto: d...@mykitchentable.net wrote: Jason Garrett wrote: snip I see you tried the zpool import and export, but did you perform `mkdir /boot/zfs` directly before `zpool export tank zpool import tank` ? I just have to ask because I did not see that specified, and you mention not being able to find zpool.cache. /boot/zfs is where zpool.cache hides out. Yes I did. However I figured out my problem. I was chrooted into /dist and the zpool.cache was being written to /boot/zfs (as you mention). But because of the chroot, when I checked /boot/zfs, I was *really* checking /dist/boot/zfs. Thus my problem. :) However I'm still having difficulty. I suspect I don't have a /boot/loader that supports zfs filesystems as I just boot to the 'OK prompt. An 'lsdev' only shows BIOS devices but I've seen posts on the Net that indicate I should have zfs devices listed there too if I have a proper /boot/loader. I've used the one from both 7.2-RELEASE.iso and 8.0-BETA1.iso but no luck. Do you know of any way I can confirm or deny my suspicion? I am in the same spot you are now. I started the process yesterday but had to quit because it got too late. Apparently the few who have written these guides have gotten it to work, but that still eludes me. I'll post back if I get it working or have any new developments. Well you're doing better than me. I've been at this for about 10 days off and on. :) Cheers, Drew Ok, now a few days later and still frustrated. Basically I narrowed my install down to one drive, divided up with gpt. I used a few sections from http://wiki.freebsd.org/ZFSOnRootWithZFSboot - specifially the section on installing the sources from /dist/8.0-BETA1 as well as rebuilding the loader as this guide says. I actually got it to load the kernel, goes through that ok. As soon as it tries to mount the root filesystem, it hangs with the following messages. (Won't respond to the keyboard anymore) --- Trying to mount root from zfs:zroot ROOT MOUNT ERROR: If you have invalid mount options, reboot, and first try the following from the loader prompt: set vfs.root.mountfrom.options=rw (did this,no luck.. also switched to an /etc/fstab layout, still no go) and then remove the invalid mount options from /etc/fstab. Loader Variables: vfs.root.mountfrom=zfs:zroot vfs.root.mountfrom.options=rw,noatime (this is from the /etc/fstab attempt) -- Then it describes some specifications on how to use the fstype:device. I just don't get how some are getting this working, yet it comes so hard for others. Drew, I hope you have had better luck than I. I may just give up until it is a viable solution. -- Be a Great Magician! Visit The Alchemist's Warehouse http://www.alchemistswarehouse.com ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: Install from a USB Pen
Randi Harper wrote: On 7/14/09, Fbsd1 fb...@a1poweruser.com wrote: What are the instructions for using this 8.0 memstick.img? What raw size memstick is needed? Is the 8.0 memstick.img the same content as the cd1 disk? Sigh. Reply-to-all fail. Resending. It's all in the email about the 8.0 BETA(s). Use dd, a memstick that is of equal to or greater size than the memstick.img, and no, it's different from disc1. It currently lacks packages, but it does include livefs. -- randi The email about 8.0 BETA(s) was not posted to the questions list that is why I did not see it. This is what I tried Plugging in the stick auto generated these messages # /root umass0: vendor 0x0930 USB Flash Memory, class 0/0, rev 2.00/2.00, addr 2 on uhub1 da0 at umass-sim0 bus 0 target 0 lun 0 da0: USB Flash Memory 6.50 Removable Direct Access SCSI-0 device da0: 1.000MB/s transfers da0: 1905MB (3903487 512 byte sectors: 255H 63S/T 242C) GEOM_LABEL: Label for provider da0s1 is msdosfs/ço¤¿òÚktñ I have to hit enter key to get prompt of=da0 or of=da0s1 resulted in same thing, no img on stick # /usr dd if=8.0-BETA1-i386-memstick.img of=da0 bs=10240 conv=sync 57412+0 records in 57412+0 records out 587898880 bytes transferred in 192.035793 secs (3061403 bytes/sec) Can not mount with (mount /dev/da0s1 /mnt) But (mount_msdosfs /dev/da0s1 /mnt) does work but stick still contains the original data. Has not been overwritten by the 8.0-BETA1-i386-memstick.img What is the problem here? ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: 5000' ethernet?
Hi, A general reply to many suggestions. So the time it takes for the smallest Ethernet frame to get from the two farthest nodes will determine a window in which the two most distant nodes upon attempting a transmit can tell that a collision occurred and retransmit. In a case of point-to-point UTP cable, there would be no collision though. But acknowledgement packets may take too long to reach the sending end, leading it to beleive the packet was lost and needs retransmission. I cannot rememebr if Ethernet have ACK packets. The max distance for UTP is 328 ft. Divide the 5,000 by 328 and it will tell you how many bridges, hubs, or switches you will need to regenerate the signal. You may find devices purporting to 'range extenders', but even these will have distance limitations requiring more than one. Foofaraw. That would make 14 hub/switches. I think I remember that the number of hubs is limited to 4 in between each end of the connection. I am not sure it is true also for switches. In any case, have boxes of cat5 on order so as to find out myself. You would need 5 boxes, the connections between each run of cable could cause too many loss, even if the timing was not an issue. As suggested by others, I would go for wireless ad it is the easiers to install if you have a line of sight. A complete wireless solution would range as little as $1500 including a couple of parabolic antennas with 18-20dB gain and the access point including power over Ethernet to power the antenna. Another solution, if you really don't need that much bandwidth, is to request an ADSL connection at each location and establish some kind of tunnel in-between the two boxes. For you this solution is zero cable installation, and very light configuration (ethernet over IP tunneling would allow you to extend your Ethernet layer 2 network across both end of the link). Of course you will be limited to the downlink bandwidth of your ADSL connection: if you get 20Mbps ADSL (that is 20Mpbs uplink/10Mbps down), you would have 10Mbps link. This solution should be quite cheap depending on your contract with your telephone company. As suggested before you could consider fiber optic, you could order a 2000 meters roll of underground outdoor fiber, with pig tail installed at each end. For a temporary use, you should not need any special precaution for installation: these fibers are usually shielded to support a truck to running on it... Or you can get the type of fiber designed for aerial usage, 8 shapped cable, including a suspension cable, and run it from tree to tree; but it's much much more installtion work, the cable tend to be heaviy... And you could get a couple of media converters (UTP to fiber) for $1000. Don't be afraid by the cost of fiber optic, most of the cost is labour to bury the fiber, it is not the cost of the cable itself. AFAIR, you can run 100Mbps on 2 kilometers of multimode fiber (multimode is cheaper I beleive). My choice would be: If I have the line of sight and the budget, I would go wireless, second choice being ADSL and third fiber optic. Bests, Olivier ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
network appliance question
I would like to take a ton of apps I've compiled from source, plus gobs of my own source, build a distro of that super solid freebsd I love, and hermetically seal it up in a box that can be plugged into a network hub, so that users don't have to use anything but a web browser, sftp, or ssh to access the contents. My questions are as follows: 1) Is this possible? 2) If so, is there a network appliance starter kit I can play with first to prove the concept, and 3) If so, where? I haven't been too successful searching for network appliance building for dummies Thanks, Jeff. Jeff Hamann, PhD PO Box 1421 Corvallis, Oregon 97339-1421 541-754-2457 jeff.hamann[at]forestinformatics[dot]com http://www.forestinformatics.com ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: Install from a USB Pen
On Wed, Jul 15, 2009 at 6:50 PM, Fbsd1 fb...@a1poweruser.com wrote: Randi Harper wrote: On 7/14/09, Fbsd1 fb...@a1poweruser.com wrote: What are the instructions for using this 8.0 memstick.img? What raw size memstick is needed? Is the 8.0 memstick.img the same content as the cd1 disk? Sigh. Reply-to-all fail. Resending. It's all in the email about the 8.0 BETA(s). Use dd, a memstick that is of equal to or greater size than the memstick.img, and no, it's different from disc1. It currently lacks packages, but it does include livefs. -- randi The email about 8.0 BETA(s) was not posted to the questions list that is why I did not see it. This is what I tried Plugging in the stick auto generated these messages # /root umass0: vendor 0x0930 USB Flash Memory, class 0/0, rev 2.00/2.00, addr 2 on uhub1 da0 at umass-sim0 bus 0 target 0 lun 0 da0: USB Flash Memory 6.50 Removable Direct Access SCSI-0 device da0: 1.000MB/s transfers da0: 1905MB (3903487 512 byte sectors: 255H 63S/T 242C) GEOM_LABEL: Label for provider da0s1 is msdosfs/ço¤żňÚktń I have to hit enter key to get prompt of=da0 or of=da0s1 resulted in same thing, no img on stick # /usr dd if=8.0-BETA1-i386-memstick.img of=da0 bs=10240 conv=sync 57412+0 records in 57412+0 records out 587898880 bytes transferred in 192.035793 secs (3061403 bytes/sec) Can not mount with (mount /dev/da0s1 /mnt) But (mount_msdosfs /dev/da0s1 /mnt) does work but stick still contains the original data. Has not been overwritten by the 8.0-BETA1-i386-memstick.img What is the problem here? You're writing to a file called da0 inside /usr instead of /dev/da0. -- randi ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: Server screwed up (/lib/libc.so.7: Undefined symbol _nsdispatch)
I've finally managed to get all sources to the machine via mounted SMB
drive that still works. (tar errors out).
But alas, make all install immediately throws the very same error
that started this topic:
/libexec/ld-elf.so.1: /lib/libc.so.7: Undefined symbol _nsdispatch
Very few commands actually work: cp, ls, cat etc.
So I'm afraid my only option is to try rescue from cd...
Thanks for your help!
Victor
On Tue, Jul 14, 2009 at 3:34 PM, Sergio de Almeida
Lenzilenzi.ser...@gmail.com wrote:
Em Ter, 2009-07-14 às 10:00 -0400, Victor Starenky escreveu:
===OK...
you can try this script...
it suposes that you have ALL the /usr/src and the GENERIC KERNEL...
in a slow machine, it is about 4 hours (Pentium 2, 256mb memory, 10Gb
disk)
FreeBSD 7.0 = FreeBSD 7.2
save the script in the root directory say: updatebsd
than with all the /usr/src (you can get it from the CD).
sh updatebsd
if it finds a small mistake it will stop.
after building the OS, check if everything is ok, and reboot.
this script will install the GENERIC KERNEL, so if you have your
own kernel, edit the last lines of the code to make your needs
==
DEPEND=depend
cd /usr/src
set -e
(cd share/mk;make all install || exit 1)
make includes
for i in etc share lib libexec secure/lib secure
do
(cd $i;make ${DEPEND} all install || exit 1)
sync
done
for i in sbin bin usr.sbin usr.bin
do
(cd $i;make ${DEPEND} all install || exit 1)
sync
done
cd /sys/`uname -m`/conf
config GENERIC
cd ../compile/GENERIC
make ${DEPEND} all install
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Re: 5000' ethernet?
On Jul 15, 2009, at 9:25 PM, Olivier Nicole wrote: The max distance for UTP is 328 ft. Divide the 5,000 by 328 and it will tell you how many bridges, hubs, or switches you will need to regenerate the signal. You may find devices purporting to 'range extenders', but even these will have distance limitations requiring more than one. Foofaraw. That would make 14 hub/switches. I think I remember that the number of hubs is limited to 4 in between each end of the connection. I am not sure it is true also for switches. Hubs are simple analog repeaters. Switches are regenerative and buffered as the packet doesn't get resent until after the needed port is available. In any case, have boxes of cat5 on order so as to find out myself. You would need 5 boxes, the connections between each run of cable could cause too many loss, even if the timing was not an issue. Wire connections are not all that lossy. Meanwhile cat5 is useful for other things after this project is over. As suggested by others, I would go for wireless ad it is the easiers to install if you have a line of sight. Is my fault for not stating initially that the customer has ruled out any wireless option. Originally we were going to run a modest 50k bit/ sec wireless link. Another solution, if you really don't need that much bandwidth, is to request an ADSL connection at each location and establish some kind of tunnel in-between the two boxes. There are no phone lines at this location. As suggested before you could consider fiber optic, you could order a 2000 meters roll of underground outdoor fiber, with pig tail installed at each end. For a temporary use, you should not need any special precaution for installation: these fibers are usually shielded to support a truck to running on it... Or you can get the type of fiber designed for aerial usage, 8 shapped cable, including a suspension cable, and run it from tree to tree; but it's much much more installtion work, the cable tend to be heaviy... Sources? And you could get a couple of media converters (UTP to fiber) for $1000. Transceivers are easy to find. Matching cable has not been easy to find. Don't be afraid by the cost of fiber optic, most of the cost is labour to bury the fiber, it is not the cost of the cable itself. Not going to bury it. Is temporary for less than a week. -- David Kelly N4HHE, dke...@hiwaay.net Whom computers would destroy, they must first drive mad. ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: 5000' ethernet?
On Jul 15, 2009, at 5:41 PM, Michael Powell wrote: David Kelly wrote: Not directly FreeBSD related, but how much of a chance is there that two machines could communicate directly over 5,000 feet of cat5 with no special hardware? IIRC the classic ethernet problem limiting the distance between the farthest points on a network had to do with timing and collisions. If these two NICs are configured full duplex then it seems one would have no idea how far away the other was due to timing issues. No. Ethernet uses a protocol design called Carrier Sense Multiple Access with Collision Detect, or CSMA/CD. The maximum lengths are indeed related to timing and the timing is a direct result of the propagation delay in the medium. The velocity factor will be some percentage of the speed of light. Since when does one have CSMA/CD when configured as full duplex? All full duplex ethernet connections are point to point, machine to machine, or machine to switch. There is no multiple access on full duplex. No chance of collision. So I'm thinking at 5,000' the problem is one of echo cancelation and signal loss, not one of ethernet protocol. -- David Kelly N4HHE, dke...@hiwaay.net Whom computers would destroy, they must first drive mad. ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: 5000' ethernet?
David, You would need 5 boxes, the connections between each run of cable could cause too many loss, even if the timing was not an issue. Wire connections are not all that lossy. You would be surprised by the impedance missmatch tests made by cabling companies... Meanwhile cat5 is useful for other things after this project is over. And as you already ordered the cable, it is worth testing anyway. Is my fault for not stating initially that the customer has ruled out any wireless option. Originally we were going to run a modest 50k bit/ sec wireless link. OK, but you could have 10 Mbps, not only 50 Kbps, if the bandwidth is a limitation. As suggested before you could consider fiber optic, you could order a 2000 meters roll of underground outdoor fiber, with pig tail installed at each end. For a temporary use, you should not need any special precaution for installation: these fibers are usually shielded to support a truck to running on it... Or you can get the type of fiber designed for aerial usage, 8 shapped cable, including a suspension cable, and run it from tree to tree; but it's much much more installtion work, the cable tend to be heaviy... Sources? For the information? Holding a booth at an exhibition next to Krone booth, we got to talk a lot. For cable? I am afraid that, being in Thailand, my sources would charge you a very high transportation cost :) Krone is one brand, they manufacture mostly UTP cable and connectors, but I think they are associated with Belink for the fiber optic cable. I would try to contact a network installer in my area, they should be able to source fiber optic cable for you. Bests, olivier ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: network appliance question
On Wed, Jul 15, 2009 at 9:41 PM, Jeff Hamann jeff.ham...@forestinformatics.com wrote: I would like to take a ton of apps I've compiled from source, plus gobs of my own source, build a distro of that super solid freebsd I love, and hermetically seal it up in a box that can be plugged into a network hub, so that users don't have to use anything but a web browser, sftp, or ssh to access the contents. My questions are as follows: 1) Is this possible? 2) If so, is there a network appliance starter kit I can play with first to prove the concept, and 3) If so, where? I haven't been too successful searching for network appliance building for dummies Thanks, Jeff. Jeff Hamann, PhD PO Box 1421 Corvallis, Oregon 97339-1421 541-754-2457 jeff.hamann[at]forestinformatics[dot]com http://www.forestinformatics.com There may be a far better method, but perhaps using /usr/ports/sysutils/freesbie to build an ISO then using it to image a drive would work for you. Or there is this sort of approach too, obviously need to be adapted/slimmed to your embedded enviro as well. There is an old FreeBSD embedded cookbook to, I'd guess much of it still applies. http://www.gsoft.com.au/~doconnor/FreeBSD-release-2.html -- Adam Vande More ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
