Orange as a landline ISP
I seriously considering Orange's offer of a combo package of some sort of box, cell phone air time and 2.5mbit Internet. From what I understand the Internet part is over your (not included) cable modem or aDSL line. Does anyone have it? Or have Orange as an ISP? Are they Linux friendly? I understand it's presented as some sort of router, but I have a combination of Linux, Windows and Mac and don't want to be told that in order to test their router I have to use a Windows computer, or worse than that, be told that their service is not linux compatible. My traffic is in order of priority VoIP, then streaming video, then web access then bit torrent. In order of traffic, it's backwards, with most being bit torrent, then streaming video, then http, with a small VoIP load. Right now I have a HOT modem and Netvision, which when it works it works very well, with no slowdowns, noticable traffic shaping, or limits. The Orange deal is a good one based soley on reducing my cell phone bill. If I can get decent Internet access on top of it, it's a big saving. It also happens to be down as I write this and has been for almost 6 hours. Thanks, Geoff. -- Geoffrey S. Mendelson, Jerusalem, Israel g...@mendelson.com N3OWJ/4X1GM ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
Re: [YBA] TCP connection rate
Jonathan Ben Avraham wrote: Dear list members, What limits the rate that the Linux kernel TCP stack can accept new connections? How is that rate related to the rate that the application listening on a port can handle the connections? That is, if I try to connect and get ECONNREFUSED is there a way for me to know if I got it because the kernel could not handle the connection rate or if I got it because I had more connection attempts than the backlog parameter of my listen() call? In other words, do I need to tune the kernel or the application (MySQL) for the desired high connection rate and how would I know? Just check what the value of the backlog parameter is and then use netstat to watch the application connections when you get ECONNREFUSED error. If the number of connections in netstat is equal (or at least very close to) the backlog parameter then it's the backlog parameter, otherwise it's something else. Gilad -- Gilad Ben-Yossef Chief Coffee Drinker Codefidence Ltd. The code is free, your time isn't.(TM) Web:http://codefidence.com Email: gi...@codefidence.com Office: +972-8-9316883 ext. 201 Fax:+972-8-9316885 Mobile: +972-52-8260388 The Doctor: Don't worry, Reinette, just a nightmare. Everyone has nightmares. Even monsters from under the bed have nightmares, don't you, monster? Reinette: What do monsters have nightmares about? The Doctor: Me! ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
Re: [YBA] TCP connection rate
Hi Gilad,
Thanks. The problem is that the connections are exceedingly short-lived.
By the time I type in netstat -na already 1000 of them have come and
gone.
- yba
On Mon, 2 Feb 2009, Gilad Ben-Yossef wrote:
Date: Mon, 02 Feb 2009 16:29:23 +0200
From: Gilad Ben-Yossef gi...@codefidence.com
To: Jonathan Ben Avraham y...@tkos.co.il
Cc: ILUG linux-il@cs.huji.ac.il
Subject: Re: [YBA] TCP connection rate
Jonathan Ben Avraham wrote:
Dear list members,
What limits the rate that the Linux kernel TCP stack can accept new
connections? How is that rate related to the rate that the application
listening on a port can handle the connections? That is, if I try to
connect and get ECONNREFUSED is there a way for me to know if I got it
because the kernel could not handle the connection rate or if I got it
because I had more connection attempts than the backlog parameter of my
listen() call? In other words, do I need to tune the kernel or the
application (MySQL) for the desired high connection rate and how would I
know?
Just check what the value of the backlog parameter is and then use netstat to
watch the application connections when you get ECONNREFUSED error. If the
number of connections in netstat is equal (or at least very close to) the
backlog parameter then it's the backlog parameter, otherwise it's something
else.
Gilad
--
EE 77 7F 30 4A 64 2E C5 83 5F E7 49 A6 82 29 BA~. .~ Tk Open Systems
=}ooO--U--Ooo{=
- y...@tkos.co.il - tel: +972.2.679.5364, http://www.tkos.co.il -
___
Linux-il mailing list
Linux-il@cs.huji.ac.il
http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
Fw: Re: PAC 207 Webcam
[r...@localhost ~]# lsusb Bus 008 Device 002: ID 03eb:3301 Atmel Corp. at433301 4-port Hub Bus 008 Device 001: ID 1d6b:0001 Bus 002 Device 002: ID 04a9:2216 Canon, Inc. Canoscan3200F Bus 002 Device 005: ID 1307:0165 Transcend Information, Inc. Bus 002 Device 001: ID 1d6b:0002 Bus 007 Device 002: ID 093a:2468 Pixart Imaging, Inc. Easy Snap Snake Eye Webcam Bus 007 Device 001: ID 1d6b:0001 Bus 001 Device 001: ID 1d6b:0001 Bus 006 Device 001: ID 1d6b:0001 Bus 005 Device 001: ID 1d6b:0001 Bus 004 Device 001: ID 1d6b:0001 Bus 003 Device 001: ID 1d6b:0001 [r...@localhost ~]# ok its uses gspca...now the k 2.6.28 series has better support so I suggest you try installing that. next you are on a Mdv so use MCC to install libv4l-0 then Code: LD_PRELOAD=/usr/lib/libv4l/v4l1compat.so camorama LD_PRELOAD=/usr/lib/libv4l/v4l1compat.so change camorama to skype or whatever you are using. this is because the kernel is up to date but the applications don't yet know how to handle it without help. http://www.linuxquestions.org/questions/linux-hardware-18/pac-207-webcam-701306/#post3428781 [r...@localhost ~]# LD_PRELOAD=/usr/lib/libv4l/v4lcompat.so skype ERROR: ld.so: object '/usr/lib/libv4l/v4lcompat.so' from LD_PRELOAD cannot be preloaded: ALSA lib pcm.c:2202snd_pcm_open_noupdate) Unknown PCM card.pcm.hdmi ALSA lib pcm.c:2202snd_pcm_open_noupdate) Unknown PCM card.pcm.hdmi ALSA lib pcm.c:2202snd_pcm_open_noupdate) Unknown PCM card.pcm.hdmi ALSA lib pcm.c:2202snd_pcm_open_noupdate) Unknown PCM card.pcm.hdmi ALSA lib pcm.c:2202snd_pcm_open_noupdate) Unknown PCM card.pcm.hdmi ALSA lib pcm.c:2202snd_pcm_open_noupdate) Unknown PCM card.pcm.hdmi What happens is before I can type the second line LD_PRELOAD=/usr/lib/libv4l/v4lcompat.so Skype appears on the screen but the camera is test shows now Green speckles in the video area after enabling video. With the programme Ekiga the camera shows a picture although the colour is not correct, Skype with enabled video now shows green only! With the programme Ekiga the camera works fine although the colour is not correct, but Skype with enabled video now shows green only! Can anyone recommend a Webcam that will work with Skype? Or is there a VOIP programme that will work with the Camera besides Ekiga? Distro: Mandriva 2009.0 Gnome Desktop latest version. Moshe --- On Sun, 1/2/09, Shlomi Fish shlo...@iglu.org.il wrote: From: Shlomi Fish shlo...@iglu.org.il Subject: Re: PAC 207 Webcam To: linux-il@cs.huji.ac.il, mbrace...@yahoo.co.uk Date: Sunday, 1 February, 2009, 12:23 PM On Sunday 01 February 2009 11:25:54 Moshe Brace using Yahoo wrote: Download Page for Source and Mandriva: http://mxhaard.free.fr/download.html Webcam driver supported list http://mxhaard.free.fr/spca5xx.html Debian support http://packages.debian.org/unstable/graphics/gspca-source You can find the dkms-*.rpm here: http://www.shlomifish.org/Files/files/code/ Please download it and then install using urpmi. I build it from an .src.rpm I found on rpmfind.net by following the Mandriva link on the site. Regards, Shlomi Fish --- On Sun, 1/2/09, Shlomi Fish shlo...@iglu.org.il wrote: From: Shlomi Fish shlo...@iglu.org.il Subject: Re: PAC 207 Webcam To: linux-il@cs.huji.ac.il, mbrace...@yahoo.co.uk Date: Sunday, 1 February, 2009, 10:13 AM Hi Moshe! On Saturday 31 January 2009 23:33:13 Moshe Brace using Yahoo wrote: Mandriva 2009.0 states it supports this - don't work even after downloading gspcav driver for this. Just won't work full stop. XSane thinks it's a scanner. Skype says no Webcam installed. Can some one make me an .rpm auto install from source file? Where can one find this source file? Regards, Shlomi Fish -- - Shlomi Fish http://www.shlomifish.org/ Star Trek: We, the Living Dead - http://xrl.us/omqz4 maukeI'm not interested in what you're doing; what are you trying to achieve? PerlJam mauke: I'm trying to achieve world peace and this regex is the last thing standing in my way! ;) ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
Re: Fw: Re: PAC 207 Webcam
On Mon, Feb 02, 2009 at 05:33:42PM +, Moshe Brace using Yahoo wrote: [r...@localhost ~]# lsusb Bus 007 Device 002: ID 093a:2468 Pixart Imaging, Inc. Easy Snap Snake Eye Webcam Is it gspca or qc-usb? The latter, I think. -- Tzafrir Cohen | tzaf...@jabber.org | VIM is http://tzafrir.org.il || a Mutt's tzaf...@cohens.org.il || best ICQ# 16849754 || friend ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
JOB OFFER: NDS is looking for Linux/UNIX sysadmin
Wanted: LINUX/UNIX System Administrator. For a challenging position of users’ support, SW and HW installation, troubleshooting on different levels Requirements: At least 5 years experience in LINUX (RedHat) system administration; LINUX expertise in high level, RHCE - advantage; Experience in WEB applications administration, LAMP, Sendmail, DNS, LDAP; (apache, tomcat, php) Good knowledge of shell and at least in one of the following: perl, python, awk; Experience in high availability, including clustering; Knowledge of other operating systems (HPUX, Solaris) Experience in hardware configuration and installation (IBM, HP, Dell, storages, etc); Knowledge and experience in databases ( Oracle, MySQL, Sybase, Informix ) Knowledge and an experience in networking and virtualization English – high level Excellent communication and documentation skills Extra working hours The candidate must be a good team player, service oriented, with excellent learning skills and positive thinking CV to victor_dst -at- yahoo.com ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
Re: [YBA] TCP connection rate
Hi Marc,
The .NET client has a bug that prevents use of persistent MySQL
connections. The application is already cached up the wazoo.
Where would I look in the kernel to see if it is rejecting the connections
as opposed to MySQL? Or is this just unlikely given that the hardware is
fairly robust?
Thanks,
- yba
On Mon, 2 Feb 2009, m...@swiftouch.com wrote:
Date: Mon, 2 Feb 2009 18:28:21 +0200 (IST)
From: m...@swiftouch.com
To: Jonathan Ben Avraham y...@tkos.co.il
Cc: Gilad Ben-Yossef gi...@codefidence.com, ILUG linux-il@cs.huji.ac.il
Subject: Re: [YBA] TCP connection rate
Hi all
Without delving into the stack behaviour, I would try the (potentially)
cheaper route - is there a possibility of amalgamating queries to the
database, thereby reducing the per second metric? Or - perish the thought
(caveat emptor, I am not acquainted with the app) - caching replies at the
client?
I am not sure the netstat trick can work in this case - both since (as YBA
noted) the connexions are brief and because netstat deals with connections
very late in their lifecycle. I am not sure how connexions pending on the
stack would show up.
M
---MAV
Marc. Volovic
+972-54-467-6764
m...@swiftouch.com
Sent from my iPhone
On Feb 2, 2009, at 5:06 PM, Jonathan Ben Avraham y...@tkos.co.il wrote:
Hi Gilad,
Thanks. The problem is that the connections are exceedingly short-lived. By
the time I type in netstat -na already 1000 of them have come and gone.
- yba
On Mon, 2 Feb 2009, Gilad Ben-Yossef wrote:
Date: Mon, 02 Feb 2009 16:29:23 +0200
From: Gilad Ben-Yossef gi...@codefidence.com
To: Jonathan Ben Avraham y...@tkos.co.il
Cc: ILUG linux-il@cs.huji.ac.il
Subject: Re: [YBA] TCP connection rate
Jonathan Ben Avraham wrote:
Dear list members,
What limits the rate that the Linux kernel TCP stack can accept new
connections? How is that rate related to the rate that the application
listening on a port can handle the connections? That is, if I try to
connect and get ECONNREFUSED is there a way for me to know if I got it
because the kernel could not handle the connection rate or if I got it
because I had more connection attempts than the backlog parameter of my
listen() call? In other words, do I need to tune the kernel or the
application (MySQL) for the desired high connection rate and how would I
know?
Just check what the value of the backlog parameter is and then use netstat
to watch the application connections when you get ECONNREFUSED error. If
the number of connections in netstat is equal (or at least very close to)
the backlog parameter then it's the backlog parameter, otherwise it's
something else.
Gilad
--
EE 77 7F 30 4A 64 2E C5 83 5F E7 49 A6 82 29 BA~. .~ Tk Open Systems
=}ooO--U--Ooo{=
- y...@tkos.co.il - tel: +972.2.679.5364, http://www.tkos.co.il -
___
Linux-il mailing list
Linux-il@cs.huji.ac.il
http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
--
EE 77 7F 30 4A 64 2E C5 83 5F E7 49 A6 82 29 BA~. .~ Tk Open Systems
=}ooO--U--Ooo{=
- y...@tkos.co.il - tel: +972.2.679.5364, http://www.tkos.co.il -
___
Linux-il mailing list
Linux-il@cs.huji.ac.il
http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
[YBA] TCP connection rate
Dear list members,
What limits the rate that the Linux kernel TCP stack can accept new
connections? How is that rate related to the rate that the application
listening on a port can handle the connections? That is, if I try to
connect and get ECONNREFUSED is there a way for me to know if I got it
because the kernel could not handle the connection rate or if I got it
because I had more connection attempts than the backlog parameter of my
listen() call? In other words, do I need to tune the kernel or the
application (MySQL) for the desired high connection rate and how would I
know?
TIA,
- yba
--
EE 77 7F 30 4A 64 2E C5 83 5F E7 49 A6 82 29 BA~. .~ Tk Open Systems
=}ooO--U--Ooo{=
- y...@tkos.co.il - tel: +972.2.679.5364, http://www.tkos.co.il -
___
Linux-il mailing list
Linux-il@cs.huji.ac.il
http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
Re: ptrace in production systems
On Sunday, 1 בFebruary 2009, Shachar Shemesh wrote: Oron Peled wrote: On Sunday, 1 בFebruary 2009, Shachar Shemesh wrote: Then again, it is a daemon. It has no parent (well, init is its parent). It's not clear from your description (or your replies to other posters) why you don't want init to babysit this daemon. Because I do not want it under a watchdog. This is not what this is about. OK, Under certain circumstances I need to get the agent to reload its configuration. When that happens, and only then, I need to *shut it down* and then restart it. I do NOT want a watchdog to automatically restart it whenever it fails. Such a thing will actually be a hindrance. Why not have it restart itself? execve(argv[0], argv, yada, yada) from some signal handler? Than the controlling daemon would send it (e.g: sighup) when it want this to happen and the agent would restart itself. Unless you have other (unstated) requirements. -- Oron Peled Voice: +972-4-8228492 o...@actcom.co.il http://www.actcom.co.il/~oron Hi! I'm a .signature virus! Copy me into your ~/.signature to help me spread! ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
Re: [YBA] TCP connection rate
Gilad Ben-Yossef wrote: Just check what the value of the backlog parameter is and then use netstat to watch the application connections when you get ECONNREFUSED error. If the number of connections in netstat is equal (or at least very close to) the backlog parameter then it's the backlog parameter, otherwise it's something else. Ehh, I'm not sure that's the case. The back log only relates to connections that have not been picked up by user space yet. The above would be a rough estimate IF we can assume that all connections are very short lived in relation to the amount of time it takes to handle a connection and close it is very short in relation to the amount of time it takes between the connection being established and user space running accept. Otherwise, netstat is of no help. Shachar ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
Re: ptrace in production systems
The second point is that I don't need advice about how it can be done. I can think of three or four ways not mentioned here at all. They have disadvantages in relation to what I implemented, mostly in how long it takes to figure out that the daemon has, indeed, finished, and in how much protocol specific changes they would require. I am asking for opinion about that one specific way I chose, which works beautifully, but is extremely non-standard. OK, you said itself - it's work. The only problem a can think of is that it will be impossible to use gdb/strace on your already ptrace'd agent. Valery. ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
