Re: FreeBSD slices and the Boot Manager

[Peter Andreev]

Why wouldn't you simply update your 8.1 to 8.4?


2013/7/27 Conny Andersson 

> Hi,
>
> I have a workstation with two factory installed hard disks. The first
> disk, ada0, is occupied by a Windows 7 Pro OS (mainly kept for the three
> year warranty of the workstation as Dell techs mostly speak the Microsoft
> language).
>
> Instead I have configured the BIOS to boot from the MBR on the second disk
> as I most of the time (99%) use FreeBSD. The MBR on ada1 was installed with
> sysinstall's option "Install the FreeBSD Boot Manager", when I installed
> the FreeBSD 8.3-RELEASE.
>
> (The latest BIOS version 2.4.0 for Dell T1500 does not support
> UEFI/GPT/GUID.)
>
> The second disk ada1, now has three FreeBSD slices:
>
> 1) ada1s1 with FreeBSD 8.1-RELEASE
>
> 2) ada1s2 with FreeBSD 8.2-RELEASE
>
> 3) ada1s3 with FreeBSD 8.3-RELEASE
>
> I want to install the new FreeBSD 8.4-RELEASE on ada1s1 by overwriting the
> now existing two first slices. This means that ada1s3, must become ada1s2
> instead. Is this possible to do?
>
> A very important question is if sysinstall's option "Install the FreeBSD
> Boot Manager" detects that I have a FreeBSD 8.3 and detect it as slice 2 on
> disk 1? So it becomes a boot option when I am rebooting? (Maybe the slice
> may come up as ad6s2, because AHCI in FreeBSD 8.4 isn't enabled at the time
> of the install.)
>
> If the answer to these questions is yes, then the next two questions arise.
>
> Can I mount ada1s2a (FreeBSD 8.3) from the newly installed FreeBSD 8.4 and
> edit my FreeBSD's 8.3-R /etc/fstab according to the new disk layout, and
> occasionally run FreeBSD 8.3 without problems? Or do I have to do more to
> get it to work?
>
> The idea behind this kind of 'reverse' disk layout of mine is to have
> FreeBSD 8.4 as my new default OS. And have FreeBSD 8.3 untouched for
> configuring FreeBSD 8.4 and booting into it when ever needed. If I can do
> this as described above, I will have plenty of space on the disk for the
> future and a new FreeBSD release.
>
>
> Thanks for your interest in my questions,
>
> Conny Andersson
>
> =-=-=-=-=-=-=-=-=-=
>   Conny Andersson
> 
> =-=-=-=-=-=-=-=-=-=
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Re: Any arp table size limitations?

[Peter Andreev]

Thank you Lowell,

Yes, that's an Internet exchange point. We have done a similar test and
didn't found any problems, I asked on maillist just to be sure.


2013/5/30 Lowell Gilbert 

> Peter Andreev  writes:
>
> > We are connecting to an IXP, they have tested our FreeBSD 9.1 server and
> > said we can store only about 600 MACs simultaneously. So I'd like to ask
> if
> > there is any arp table size limitations and if so, how we can increase
> the
> > limit?
>
> I looked at the code and there don't seem to be any arbitrary
> limits. The code isn't optimized for really large numbers of entries,
> but 600 isn't what I'd consider large in this context.
>
> I ran a simple shell script and had no problems entering many thousands
> of static ARP entries, so my interpretation from reading the code isn't
> horribly wrong. I think you need to find out what kind of problems they
> ran into at 600 entries.
>
> As a (maybe-irrelevant) side point, I don't know what you mean by IXP,
> since in my background the term means "Internet eXchange Point," and
> isn't likely to get anywhere close to 600 ARP entries on a single
> subnet.
>



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Any arp table size limitations?

[Peter Andreev]

Hello,

We are connecting to an IXP, they have tested our FreeBSD 9.1 server and
said we can store only about 600 MACs simultaneously. So I'd like to ask if
there is any arp table size limitations and if so, how we can increase the
limit?

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Re: PCBSD9.0-x64-DVD and Intel HD Graphics 2000

[Peter Andreev]

2012/7/24 ufs 

> On 24.07.2012 01:12, David Christensen wrote:
>
>> On 07/23/2012 03:37 AM, Vladislav wrote:
>>
>>> http://wiki.freebsd.org/Intel_**GPU 
>>>
>>
>> Okay.
>>
>>
>> I wrote:
>> > I've installed PCBSD9.0-x64-DVD on the following hardware:
>>
>> On 07/23/2012 06:30 AM, Erich Dollansky wrote:
>> > this where the problem starts. If nothing changed since I used this, it
>> only supports VESA on i7 CPUs.
>>
>> Okay.
>>
>>
>> I wrote:
>> > I have updated the system using Update Manager, and the problems
>> persist.
>>
>> On 07/23/2012 06:30 AM, Erich Dollansky wrote:
>> > What does this affect? Also the FreeBSD part?
>>
>> I don't know.
>>
>>
>> > I am now running FreeBSD 10 on an i7 without any problems. It should
>> also be possible to get the same result with a current 9.0.
>> > Do the same what I have done. Use PC-BSD just to get a machine running
>> and then update to FreeBSD.
>>
>> I was hoping to find an OS distribution that works OOTB.  The key
>> features I'm looking for are:
>>
>> 1.  Full support of my hardware; notably Enhanced Speed Step, AES-NI,
>> Intel HD Graphics 2000 dual head, and SSD TRIM.
>>
>> 2.  ZFS on encrypted partitions, including root.
>>
>>
>> I guess I'll have to wait for PC-BSD 10 or FreeBSD 10.
>>
>>
>> Thanks!
>>
>> David
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>>
> Hi,
> What about the new Xorg(make.conf WITH_NEW_XORG=true)  and drivers Intel?
> I have heard that this solution works, OpenGL too...
>
> I tried "WITH_NEW_XORG=true" and "WITH_KMS=true" with Core i5-3450 and
9.1-prerelease last weekend. It was so slow, that I decided to buy the
cheapest Nvidia card.

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Re: 32 bit to 64 bit

[Peter Andreev]

Hi,
here is the step-by-step how to migrate between architectures:
http://dadv.livejournal.com/143243.html
It's in russian, but you could use google translate.
Of course all such docs provided without any warranties.

2012/6/28 Erich Dollansky 

> Hi,
>
> On Thursday 28 June 2012 00:33:03 Robert Huff wrote:
> >
> > Odhiambo Washington writes:
> >
> > >  > Will the buildworld ---> buildkernel KERNCONF=FOO64 allow a 32 bit
> > >  > installation to build a 64 bit kernel?  I'd like to upgrade this
> > >  > machine to 64 bit AMD and I'd prefer not to do it from a DVD if
> > >  > I can do it from source.   Has anyone tried this and succeeded
> > >  > (or failed spectacularly) on a remote install/upgrade?
> > >
> > >  Please just don't do it.
> > >
> > >  Backup, Install new, restore configs and data!
> >
> >   I'd go even further:
> >
> >   1) replace the old disk, and jumper it to "read-only".
> >   2) install 64-bit system on new disk.  (use the opportunity to
> >   adjust partition size/layout)
> >   3) mount the old disk externally, and copy as needed.
> >   4) when done, store the old disk in a safe, known spot for a
> >   year.
>
> to learn then that cosnumer grade disk do not start anymore after a one
> year break?
>
> Erich
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Re: Sample getaddrinfo Code Compiles in Linux but not FreeBSD.

[Peter Andreev]

2012/1/18 Martin McCormick 

>Here is a sample program kindly provided in the
>  Beej's Guide to Network Programming
>
> Using Internet Sockets
>
>   Brian "Beej Jorgensen" Hall
>
>The code is said to be in the public domain so it is
> posted here as it compiles and runs perfectly under Linux but
> fails in two places with the following errors: I named it nsl.c.
>
> nsl.c: In function 'main':
> nsl.c:38: error: dereferencing pointer to incomplete type
> nsl.c:42: error: dereferencing pointer to incomplete type
>
>You will see that in both places, the code was
> performing the same operation of assigning a value to a pointer
> so I am suspecting a prototyping issue but am not sure and hope
> someone can help me cut through the forest a little more quickly.
> He did provide suggestions for users of Sunos who have reported
> errors, but for FreeBSD, the errors did not change. Here is the
> sample code with the two error-generating lines marked.
>
> #include 
> #include 
> #include 
> #include 
> #include 
> #include 
>
> int main(int argc, char *argv[])
> {
>struct addrinfo hints, *res, *p;
>int status;
>char ipstr[INET6_ADDRSTRLEN];
>
>if (argc != 2) {
>fprintf(stderr,"usage: showip hostname\n");
>return 1;
>}
>
>memset(&hints, 0, sizeof hints);
>hints.ai_family = AF_UNSPEC; // AF_INET or AF_INET6 to force version
>hints.ai_socktype = SOCK_STREAM;
>
>if ((status = getaddrinfo(argv[1], NULL, &hints, &res)) != 0) {
>fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(status));
>return 2;
>}
>
>printf("IP addresses for %s:\n\n", argv[1]);
>
>for(p = res;p != NULL; p = p->ai_next) {
>void *addr;
>char *ipver;
>
>// get the pointer to the address itself,
>// different fields in IPv4 and IPv6:
>if (p->ai_family == AF_INET) { // IPv4
>struct sockaddr_in *ipv4 = (struct sockaddr_in *)p->ai_addr;
>addr = &(ipv4->sin_addr);/*error*/
>ipver = "IPv4";
>} else { // IPv6
>struct sockaddr_in6 *ipv6 = (struct sockaddr_in6 *)p->ai_addr;
>addr = &(ipv6->sin6_addr);/*error*/
>ipver = "IPv6";
>}
>
>// convert the IP to a string and print it:
>inet_ntop(p->ai_family, addr, ipstr, sizeof ipstr);
>printf("  %s: %s\n", ipver, ipstr);
>}
>
>freeaddrinfo(res); // free the linked list
>
>return 0;
> }
>

#include 


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Gnome and sound

[Peter Andreev]

Hello, everybody!

I'm using FreeBSD 9.0 with Gnome. I have been trying to control my
soundcard via gnome-volume-control for two days and still without much
success.
Soundcard itself works great, the main problem is I can't change default
output via gui. That is every time I want to switch between headphones and
speakers, I have to run "sysctl hw.snd.default_unit=X" from console, where
X - is the number of needed output. Gnome-volume-control doesn't see
devices in "hardware" tab and choosing the right output in "output" tab has
no effect.
Another problem is that I don't know where to start search for solution
from.

Could somebody help me with my issue?

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Re: mutual forwarders in ISC BIND

[Peter Andreev]

2011/12/29 Victor Sudakov :
> Peter Andreev wrote:
>> >> >> > Victor, we researched this topic and learned that response time 
>> >> >> > highly
>> >> >> > depends on distance between user and resolver, while cache influence
>> >> >> > on this value is lesser.
>> >> >> > So I advice you to keep all as is.
>> >> >>
>> >> >> Be it so. Thank you.
>> >> >
>> >> > And the reason for the whole thread. One of the customers told me that
>> >> > 8.8.8.8 is faster than our own DNS servers which are located on the
>> >> > same 100 MBit/s LAN with them. I was shocked but it seems true, at
>> >> > least for the answers which are not yet cached.
>> >>
>> >> I don't know what software google uses on its resolvers, but I suppose
>> >> something with shared or synchronizing cache. May be they also make
>> >> preventive lookups on popular domains to fill this cache. And the
>> >> reason why 8.8.8.8 seems faster - it answered from cache while your
>> >> resolver made full lookup chain.
>> >
>> > Duh! That is why I started thinking about some cache synchronizing
>> > technique for my resolvers.
>>
>> Preventive lookups can be made via self-written scripts.
>
> Sure, after query log analysis.
>
>>
>> AFAIK there is no free open source implementations providing cache
>> synchronization between different resolvers.
>
> Unbound cannot do that, can it?

It has options "dump-cache" and "load-cache" for debugging purposes,
but I don't recommend using it in production.
May be "cache-min-ttl" and "cache-max-ttl" would be useful, but I
doubt what is better - get fast response or get right response.
>
> I am surprised. After all, squid siblings are quite common.
>
>
> --
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Re: mutual forwarders in ISC BIND

[Peter Andreev]

2011/12/29 Victor Sudakov :
> Peter Andreev wrote:
>> >>
>> >> > Victor, we researched this topic and learned that response time highly
>> >> > depends on distance between user and resolver, while cache influence
>> >> > on this value is lesser.
>> >> > So I advice you to keep all as is.
>> >>
>> >> Be it so. Thank you.
>> >
>> > And the reason for the whole thread. One of the customers told me that
>> > 8.8.8.8 is faster than our own DNS servers which are located on the
>> > same 100 MBit/s LAN with them. I was shocked but it seems true, at
>> > least for the answers which are not yet cached.
>>
>> I don't know what software google uses on its resolvers, but I suppose
>> something with shared or synchronizing cache. May be they also make
>> preventive lookups on popular domains to fill this cache. And the
>> reason why 8.8.8.8 seems faster - it answered from cache while your
>> resolver made full lookup chain.
>
> Duh! That is why I started thinking about some cache synchronizing
> technique for my resolvers.

Preventive lookups can be made via self-written scripts.

AFAIK there is no free open source implementations providing cache
synchronization between different resolvers.

>
> --
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> sip:suda...@sibptus.tomsk.ru
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Re: mutual forwarders in ISC BIND

[Peter Andreev]

2011/12/29 Victor Sudakov :
> Victor Sudakov wrote:
>>
>> > Victor, we researched this topic and learned that response time highly
>> > depends on distance between user and resolver, while cache influence
>> > on this value is lesser.
>> > So I advice you to keep all as is.
>>
>> Be it so. Thank you.
>
> And the reason for the whole thread. One of the customers told me that
> 8.8.8.8 is faster than our own DNS servers which are located on the
> same 100 MBit/s LAN with them. I was shocked but it seems true, at
> least for the answers which are not yet cached.

I don't know what software google uses on its resolvers, but I suppose
something with shared or synchronizing cache. May be they also make
preventive lookups on popular domains to fill this cache. And the
reason why 8.8.8.8 seems faster - it answered from cache while your
resolver made full lookup chain.

>
> --
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> sip:suda...@sibptus.tomsk.ru
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mutual forwarders in ISC BIND

[Peter Andreev]

2011/12/28 Damien Fleuriot :
>
>
> On 12/28/11 2:07 PM, Victor Sudakov wrote:
>> Damien Fleuriot wrote:
>>>
>>> If you're trying to build up a cache to improve performance and response
>>> time, here's your scenario:
>>>
>>> DNS C, forward to DNS A,B for all queries
>>> DNS D, forward to DNS B,A for all queries
>>>
>>> Your cache will start building up and only responses that are not cached
>>> will be taken from your NS A and B servers.
>>
>> Sorry, I fail to see how this is any better than two independent DNS
>> servers. Perhaps a variant like
>>
>> DNS C, forward to DNS A
>> DNS D, forward to DNS A
>>
>> would be close to the goal of cache consolidation.
>>
>
> DNS A suffers an outage ; you're fucked, to put it bluntly.

BIND can be configured to deal with such troubles.  But still Victor's
idea isn't very good. First of all because response time increasing in
case of using forwarders.

Victor, we researched this topic and learned that response time highly
depends on distance between user and resolver, while cache influence
on this value is lesser.
So I advice you to keep all as is.

>
>
>> Matthew Seaman wrote:
>>>
>>> If you want to consolidate caches then probably your best bet is to have
>>> fewer, but larger resolvers.  A pretty standard server class machine
>>> dedicated to recursive DNS should be easily capable of supporting many
>>> thousands of clients.
>>
>> You are certainly right.
>>
>>>
>>> DNS is not really a fruitful target for reducing traffic volume -- there
>>> really isn't that much of it compared to all other types in any case.
>>> It's also pretty critical to the perceived performance of your networks.
>>>  Complicating and slowing down the DNS lookup path just makes everything
>>> look slow.
>>
>> I just wanted the servers to benefit from each other's caches. That
>> could speed up the lookups.
>>
>>
>
> On a side note, have you considered unbound ?
>
> It may be better suited to your needs and scale.
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Re: freebsd-update, fetch once upgrade many machines

[Peter Andreev]

2011/8/19 Paul Schenkeveld :
> Hi,
>
> Is it possible to fetch files needed for freebsd-update once and put
> them on a local fileserver to update many machines?

You can use 
http://www.freebsd.org/cgi/cvsweb.cgi/projects/freebsd-update-server/

> The reason for asking is that all these machines are on secure
> networks and are not allowed to have Internet access but can all
> access a common fileserver (using FTP, HTTP, SSH but not NFS).
>
> I can safely assume that all these machines run the same version of
> FreeBSD, installed from binary distributions, GENERIC kernel and only
> upgraded using freebsd-update.
>
> Thanks,
>
> Paul Schenkeveld
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Re: Re[2]: freebsd ARP problem

[Peter Andreev]

4 августа 2011 г. 9:56 пользователь Коньков Евгений  написал:
> Hi, Peter.
>
> GW-77.93.52.9/29 <-> 77.93.52.10/29-MyServer
>                               00:1b:21:45:da:b8
>
> I have change LAN and not it is:
> GW-77.93.52.9/29 <-> 77.93.52.10/29-MyServer
>                               00:30:67:5a:44:72
>
> ping 77.93.52.9
> ^C
> --- 77.93.52.9 ping statistics ---
> 3 packets transmitted, 0 packets received, 100.0% packet loss
>
> tcpdump -n -i re0 arp
>  15:39:46.540277 ARP, Request who-has 77.93.52.10 (00:1b:21:45:da:b8) tell 
> 77.93.52.9, length 46
>         0x:  001b 2145 dab8 0006 d602 e0c0 0806 0001  ..!E
>         0x0010:  0800 0604 0001 0006 d602 e0c0 4d5d 3409  M]4.
>         0x0020:  001b 2145 dab8 4d5d 340a     ..!E..M]4...
>         0x0030:                   
>
> 77.93.52.9 thinks that 77.93.52.10 have old MAC 00:1b:21:45:da:b8
> Why freebsd do not answer for 'who-has' packet?

What says arp -a on 77.93.52.9? Did you try ping 77.93.52.10 from 77.93.52.9?
>
>
> PA> Eugenie
>
> PA> I didn't understand your question, so I ask you for some clarification.
> PA> 3 августа 2011 г. 17:19 пользователь Коньков Евгений
> PA>  написал:
>>> Hi, all.
>>>
>>> I delete IP address from one server and add it to this one.
> PA> You moved IP address from one server to second one. Right?
>
>>> But connection is not up, because of remote server (77.93.52.9)
>>> ask IP and notice MAC in whe-has frame.
> PA> Are you trying to connect from second server to third one?
> PA> Whose ip address is 77.93.52.9?
>>>
>>> 15:39:46.540277 ARP, Request who-has 77.93.52.10 (00:1b:21:45:da:b8) tell 
>>> 77.93.52.9, length 46
>>>        0x:  001b 2145 dab8 0006 d602 e0c0 0806 0001  ..!E
>>>        0x0010:  0800 0604 0001 0006 d602 e0c0 4d5d 3409  M]4.
>>>        0x0020:  001b 2145 dab8 4d5d 340a     ..!E..M]4...
>>>        0x0030:                   
>>>
>>> Must freebsd replay to this who-has packet with
>>> ARP, Reply 77.93.52.10 is at 
>>>  or it must it ignore, becase of 00:1b:21:45:da:b8 is not its MAC address?
> PA> Are these servers in different network segments?
>>>
>>>
>>> --
>>> С уважением,
>>>  Коньков                          mailto:kes-...@yandex.ru
>>>
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>
>
>
>
>
>
> --
> С уважением,
>  Коньков                          mailto:kes-...@yandex.ru
>
>



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Re: freebsd ARP problem

[Peter Andreev]

Eugenie

I didn't understand your question, so I ask you for some clarification.
3 августа 2011 г. 17:19 пользователь Коньков Евгений
 написал:
> Hi, all.
>
> I delete IP address from one server and add it to this one.
You moved IP address from one server to second one. Right?

> But connection is not up, because of remote server (77.93.52.9)
> ask IP and notice MAC in whe-has frame.
Are you trying to connect from second server to third one?
Whose ip address is 77.93.52.9?
>
> 15:39:46.540277 ARP, Request who-has 77.93.52.10 (00:1b:21:45:da:b8) tell 
> 77.93.52.9, length 46
>        0x:  001b 2145 dab8 0006 d602 e0c0 0806 0001  ..!E
>        0x0010:  0800 0604 0001 0006 d602 e0c0 4d5d 3409  M]4.
>        0x0020:  001b 2145 dab8 4d5d 340a     ..!E..M]4...
>        0x0030:                   
>
> Must freebsd replay to this who-has packet with
> ARP, Reply 77.93.52.10 is at 
>  or it must it ignore, becase of 00:1b:21:45:da:b8 is not its MAC address?
Are these servers in different network segments?
>
>
> --
> С уважением,
>  Коньков                          mailto:kes-...@yandex.ru
>
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Re: reverse dns in bind9

[Peter Andreev]

2011/3/28 Tim Dunphy 

> Hello,
>
>  Thanks for your reply!
>
>  I took your advice and removed that line from resolv.conf and added
> it into /etc/named/named.conf
>
>  Now it looks like this
>
>  // RFC 1912
> zone "localhost"{ type master; file "master/localhost-forward.db";
> };
> zone "127.in-addr.arpa" { type master; file "master/localhost-reverse.db";
> };
> zone "255.in-addr.arpa" { type master; file "master/empty.db"; };
> zone "192.in-addr.arpa" { type master; file
> "master/summitjnhome-reverse.db"; };
>

Robert said that you should replace 192.in-addr.arpa with
1.168.192.in-addr.arpa in your named.conf.

Your named.conf should be look like the following:

zone "localhost"{ type master; file "master/localhost-forward.db";
};
zone "127.in-addr.arpa" { type master; file "master/localhost-reverse.db";
};
zone "255.in-addr.arpa" { type master; file "master/empty.db"; };
zone "1.168.192.in-addr.arpa" { type master; file
"master/summitjnhome-reverse.db"; };



>  And I did a restart of both network and named but the issue remains:
>
>
> LBSD2# host 192.168.1.44
> Host 44.1.168.192.in-addr.arpa. not found: 3(NXDOMAIN)
>
>
> On Mon, Mar 28, 2011 at 1:06 AM, Robert Bonomi 
> wrote:
> >
> >> Date: Mon, 28 Mar 2011 00:19:26 -0400
> >> From: Tim Dunphy 
> >> Subject: reverse dns in bind9
> >>
> >> Hello,
> >>
> >>  I am attempting to setup reverse dns in bind 9 under freebsd... this is
> >>  in an attempt to allow mysql to work a little easier with DNS
> >>  resolution.
> >>
> >>  In my /etc/named/named.conf file I have the following:
> >>
> >> // RFC 1912
> >> zone "localhost"  { type master; file "master/localhost-forward.db"; };
> >> zone "127.in-addr.arpa" { type master; ile
> "master/localhost-reverse.db"; };
> >> zone "255.in-addr.arpa" { type master; file "master/empty.db"; };
> >> zone "192.in-addr.arpa" { type master; file
> "master/summitjnhome-reverse.db"; };
> >> zone "summitnjhome.com" { type master; file "master/summitnjhome.db";
> };
> >>
> >>
> >> My master/summitnjhome.com looks like the following:
> >
> > For starters, this should be in "master/summitnjhome-reerse.db"
> >>
> >> $TTL 3D
> >> @   IN  SOA ns1.summitnjhome.com. bluethundr.gmail.com. (
> >> 201103271 ; Serial, todays date + todays serial
> >> 8H  ; Refresh
> >> 2H  ; Retry
> >> 4W  ; Expire
> >> 1D) ; Minimum TTL
> >> NS  ns1.summitnjhome.com.
> >>
> >> summitnjhome.com.
> >> 42   PTR LCENT01.summitnjhome.com.
> >> 43   PTR LCENT02.summitnjhome.com.
> >> 44   PTR LBSD2.summitnjhome.com.
> >> 45   PTR LCENT02.summitnjhome.com.
> >> 46   PTR LCENT03.summitnjhome.com.
> >> 47   PTR LCENT04.summitnjhome.com.
> >> 23   PTR virtcent01.summitnjhome.com.
> >> 24   PTR virtcent02.summitnjhome.com.
> >> 21   PTR virtcent03.summitnjhome.com.
> >> 26   PTR virtcent04.summitnjhome.com.
> >> 27   PTR virtcent05.summitnjhome.com.
> >> 28   PTR virtcent06.summitnjhome.com.
> >> 29   PTR virtcent07.summitnjhome.com.
> >> 30   PTR virtcent08.summitnjhome.com.
> >> 31   PTR virtcent09.summitnjhome.com.
> >> 32   PTR virtcent10.summitnjhome.com.
> >> 33   PTR virtcent11.summitnjhome.com.
> >> 34   PTR virtcent12.summitnjhome.com.
> >> 35   PTR virtcent13.summitnjhome.com.
> >> 36   PTR virtcent14.summitnjhome.com.
> >> 37   PTR virtcent15.summitnjhome.com.
> >> 38   PTR virtcent16.summitnjhome.com.
> >> 39   PTR virtcent17.summitnjhome.com.
> >> 40   PTR virtcent18.summitnjhome.com.
> >> 41   PTR virtcent19.summitnjhome.com.
> >>
> >>
> >> and my /etc/resolv.conf looks like this:
> >>
> >> domain  summitnjhome.com
> >> nameserver 192.168.1.44
> >> nameserver 4.2.2.2
> >>
> >> zone "1.168.192.in-addr.arpa" { type master; file
> >> "/etc/named/master/summitnjhome-reverse.db"
> >> };
> >
> > the 'zone' line  you show should *NOT* be in resolv.conf at all.
> > this line should be in the  named.conf file *instead* of the one for
> > the '192.in-addr.arpa' zone.
> >
> >> then I restart both named and the network service
> >>
> >> and yet if I were to try forward resolution:
> >>
> >> LBSD2# host sum1
> >> sum1.summitnjhome.com is an alias for LCENT01.summitnjhome.com.
> >> LCENT01.summitnjhome.com has address 192.168.1.42
> >>
> >>
> >> and then reverse resolution:
> >>
> >> LBSD2# host 192.168.1.42
> >> Host 42.1.168.192.in-addr.arpa. not found: 3(NXDOMAIN)
> >>
> >> I have no luck. Any thoughts on this?
> >
> > see above.
> >
> >
> >
> >
>
>
>
> --
> GPG me!!
>
>

Re: script help

[Peter Andreev]

2011/2/15 RW :
> On Tue, 15 Feb 2011 12:57:12 +0300
> Peter Andreev  wrote:
>
>> Use of "xargs" on many files will be much faster than "find...exec"
>> construction
>
> This is a surprisingly common myth. exec can pass single or multiple
> arguments  according to whether you use ";" or "+"

You are right, use of "+" makes "-exec" much faster. Thank you, I
didn't know about this feature.
>>
>> find / -type f -name copyright.htm | xargs sed -i .bak -e
>> 's/2010/2011/g'
>
> This is much less safe on FreeBSD than it is with the GNU versions
> because print0 is required for paths with spaces.
>
> find  ... -print0 | xargs -0 ...
>
>
>
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Re: script help

[Peter Andreev]

Use of "xargs" on many files will be much faster than "find...exec" construction

find / -type f -name copyright.htm | xargs sed -i .bak -e 's/2010/2011/g'

2011/2/15 erikmccaskey64 :
> my little opinion: first run the changes on a backup, or a copy of the files:
>
> this one works under linux bash fedora:
> how to create a "shadow" of a folder [same filenames in another dir, but with 
> 0 Byte size]
>
>
> in the original, "A" directory:
> find . -type f > a.txt
>
>
> "B" directory:
> cat ../a.txt | while read file; do if [[ "$file" = */* ]]; then mkdir -p 
> "${file%/*}"; fi; touch "$file"; done
>
>
>
>
> so if something goes wrong, there would be no trouble
>
>  Be Mon, 14 Feb 2011 15:11:19 -0800 Adam Vande More 
>  írta 
>
> On Mon, Feb 14, 2011 at 4:34 PM, Jack L. Stone 
> wrote:
>
> > Hello folks:
> >
> > No doubt this will be easy for those with scritping abilities.
> >
> > I have a gazillion files by the same name and each contains the same line
> > requiring the same change. But the problem is that they are in many
> > different directories on a server with numerous domains. While I could
> > handle the change using a single directory within my abilities, I'm 
> unsure
> > how to do a search and replace throughout the many domains and their
> > directories. Don't want to mess up. Here's what I'm trying to do:
> >
> > # find all of the same filenames (copyright.htm) and then replace the 
> year
> > 2010 with 2011 in each file. Once I have a working script, I should be 
> able
> > to add it as a cron job to run on the first day of each new year.
> >
> > Any help appreciated.
> >
>
> /usr/ports/misc/rpl
>
> --
> Adam Vande More
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>
>
>
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loader halting

[Peter Andreev]

Good day.

While server is booting, I see this:

/boot.config: -Dh
BTX loader 1.00  BTX version is 1.01
Consoles: internal video/keyboard  serial port
BIOS drive C: is disk0
BIOS drive D: is disk1
BIOS 637kB/3668864kB available memory

FreeBSD/i386 bootstrap loader, Revision 1.1
(em...@email, Fri Aug  7 14:18:25 MSD 2009)
|


And boot process is stopping. I tried to boot /boot/loader.old, tried to
boot from other hdd (there is a mirror) - in all cases I see the same
picture.
Where I should look to find a source of troubles?
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Re: Cronjob

[Peter Andreev]

yes, you're right, thank you/ the right version will be:

* * 31 1,3,5,7,8,10,12 *
* * 30 4,6,9,11 *
* * 28,29 2 *

2009/6/9 Jonathan McKeown 

> On Monday 08 June 2009 17:37:14 Jerry McAllister wrote:
> > On Mon, Jun 08, 2009 at 06:31:57PM +0400, Peter Andreev wrote:
> > > may be this solution will help you:
> [snip]
> > >
> > > * * 31 1/2 *
> > > * * 30 4/2 *
> > > * * 28 2 *
>
> This isn't right, surely? It goes wrong in August and stays wrong for the
> rest
> of the year. The 31-day months are 1,3,5,7,8,10,12.
>
> > Don't forget leapyear.
>
> Jonathan
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Re: Cronjob

[Peter Andreev]

may be this solution will help you:

* * 31 jan,mar,may,jul,aug,oct,dec *
* * 30 apr,jun,sep,nov *
* * 28 feb *

or:

* * 31 1/2 *
* * 30 4/2 *
* * 28 2 *

2009/6/8 Jos Chrispijn 

> I would like to execute a script on every last day of the month in my
> crontab.
> Can someone tell me how I should solve that as it doesn't know which month
> day is the last day of the month?
> Solving this in the script to be executed is no option.
>
> Thanks, Jos
>
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