General :: How To Activate Limits.conf
Sep 18, 2009
I've set limits in limits.conf but they don't seem to be having an effect (the easiest to test is maxlogins). Do I need to do something to enable the limits?:wqEDIT: old postI know you can have file system quotas, is there any way to set a similar quota for CPU usage for particular users so that they can't hog all the system resources (either intentionally or accidentally)?A preliminary Google search is suggesting it's not possible, but I can't believe thatOk, limits.conf and pam... I used bad search terms apparently. Now I just need to figure out how to use this stuff, but that shouldn't be an issue.
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Feb 9, 2011
I have the following inside /etc/security/limits.conf(I have specified root separately because * will not include it.)
user2 - core unlimited
* - core 0
root - core 0
[code]....
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Jan 30, 2011
I would like to limit any process from using more than 500 MB of RAM. AFAIK this is done using RSS in /etc/security/limits.conf but the process called gnome-panel apparently is using 618436 kB of VmRSS. How can this be ?
/etc/security/limits.conf
* hard rss 512000
username@debian:~$ cat /proc/3002/status
Name: gnome-panel
[code]...
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Dec 2, 2009
i need to limit summary working time at system. I tried use limits.conf for this. If only two lines would be thereQuote:TestUser soft cpu 10estUser hard cpu 20 So user TestUser can login at system at any time, work any time period, and when summary time of all its logins reaches 20 mins all his proceses would be killed?p.s. if i am wrong in method whith which i try set time limit for user,
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Aug 25, 2011
I have some init scripts that launch some daemons that I wrote. I want Linux to generate a coredump anytime something crashes. I activated coredumps in /etc/security/limits.conf by adding the next line:
* hard core 100000 After rebooting, I run ulimit -a and I can see that coredumps are not activated: > root@computer:~# ulimit -a > core file size (blocks, -c) 0 First, I checked if there is any file script on my system that deactivates coredumps (greping ulimit -c 0 ), but I didn't find anything so far.
Then, I created a bogus c program..to double check if it's working, and I can confirm that it's not. The program is this
[Code]...
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Dec 16, 2010
I have changed and added some lines to /etc/security/limits.conf. At this time I can not reboot the system. Which service limits.conf belong to so that I can restart that service.
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Jan 4, 2011
We want to know following :
1) What is the difference between rtprio and priority in limits.conf?
2) How to apply changes in values of limits in limits.conf?
3) What is the value system takes if it is not set in limits.conf?
4) What is the max/ideal value of each parameter especially priority?
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Jul 31, 2011
I'm running a server using Debian 5, on which a few people log on to over SSH using a user account with limited permissions. Basically I want to make sure they can't run things like fork loops as a lot of bad stuff would happen were the server to hard reboot.So, how can I test what something like this will do:
Code:
:(){ :|:& };:
in a controlled environment, ie. so that I can kill it without rebooting?
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Jun 16, 2011
how to check the print quota status on print server?
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Mar 12, 2011
i realised that although before when i had windows7 my relative download speed was around 5.0 MB/s ( i have a 50MB virgin connection)now with ubuntu 10.10 im limited to only 2.8MB/s or somewhere around there.
First i tested my wireless speed on another laptop (with windows 7) on the same network and the speed was as i said around 5.0MB/s sometimes even more. So i thought it was only chrome that i was using at that point.However, this download speed limitation appears in jdownloader as well as in firefox and i guess the whole system.
SO im wondering if there is any way to set up the speed limit on the system and if there is, how should do i go ahead with this change,through the terminal or through preferences?
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Apr 28, 2010
How i change the limits of e-mail sizes on the server. I have an e-mail server installed with CentOS3.
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Mar 23, 2010
My foray into Linux is one of hopeful necessity:I have a friend who doesn't have any comp & whose son is leaving for the military. I have an old pc I was planning to recycle but instead would like to see if it can be put back into use.She has wireless service in her apt building which she would like to access. I don't know if the versions of Linux that are light duty enough to operate on such a low end machine still suwifi networking... (I will have to download it at home to a mac, burn it to cd & install from there)? Is it possible to install a wireless card into an old P3/128mb ram (IBM 6564/GL300) and get it working?
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Feb 15, 2010
I just picked up an AcerAspireOne AOA150-1777 netbook that I've loaded slackware 13 onto. I'm using fluxbox as my window manager. Screen resolutions look good, running at 1024x600, as I set in xorg.conf. My question is, some applications, (gimp/firefox are good examples) open windows that are too big for the screen. I was wondering if there was a way I can set apps to use the limits of my screen size.
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Aug 13, 2010
What limits a file to have some maximum size depending on the Operating System? I do not exactly understand this. If you have the storage space, what else can be the limitation? You should be able to store as much data as you want the way you want (even in a single file) unless you run out of storage space.
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Dec 5, 2009
My friend and I were discussing partitioning and we disagreed on repartitioning when the drive was full. How full is too full before partitioning will mess up your file system? I've partitioned before but it was only after the OS was installed, so only about %5 of the drive is being used. I read that 90% or more is too much. My friend claims it doesn't matter, and you can repartition even if the drive is 95%+ full.
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Apr 6, 2010
clarify me with ulimit output and memory limit?
ulimit -a output:
core file size (blocks, -c) unlimited
data seg size (kbytes, -d) 1572864
[code]...
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Aug 19, 2009
I have been having problem with my failed disk RAID server.
The regular mdadm --assemble cmd does not work.
After trial&error, I am able to add all disks to the RAID using mdadm.
However, it is still inactive. How do I activate this RAID md0?
The result from cat /proc/mdstat
Code:
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Aug 22, 2009
I was told to login using my root, but from where i am at i can't open gedit and allow my root to be used. if that makes any since.
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Apr 16, 2011
I running ubuntu 10.04, but im having problems and i'd like to upgrade to 11.04. If i get a live CD for 11.04 can i reach my backup program from there and restore my music collection?
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Jun 1, 2009
I've been scanning the apache2 docs for the past few days and have not come up with an answer my following issue:
In my httpd.conf file, at the very end, I have the line
Include conf/vhosts/vhost_*.conf
However, when I run apache checkconfig or try to start apache, it gives me the error:
httpd: Syntax error on line 993 of /etc/httpd/conf/httpd.conf: Could not open configuration file /etc/httpd/conf/vhosts/vhost_1.conf: Permission denied
It appears as if the Include line is correct - in terms of it grabbing the first virtual host conf file. However, I'm confused on the permissions. the /etc/httpd folder is owned by root:root, as are the subfolders. As a test, I chown'd the conf/vhost folder combination and all the vhost files to apache:apache to see if that made a difference, and it appeared to make no difference at all. The log files don't contain anything (assumed because apache isn't starting). If I place the contents of the vhosts in a singular vhosts.conf it works - with the permissions set to root:root. I'd like to avoid having to use one vhosts conf for the configuration I'm trying to achieve - as it would make my life a lot easier.
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Jul 25, 2010
phpmyadmin files are in usr/share/phpmyadmin but i cant find anything in my apache2.conf or httpd.conf files that point to that directory.How do I find the route taken from the Server root "ServerRoot "/etc/apache2"" to the phpmy admin files.
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Aug 11, 2011
I need to activate CGI scripts in the httpd but there is something wrong. I need it to work on the virtual host for ufo.se I get this error message when I try to run a test script:Forbidden You don't have permission to access /cgi-bin/test.cgi on this server.
Code:
#
# This is the main Apache server configuration file. It contains the
# configuration directives that give the server its instructions.
# See <URL:http://httpd.apache.org/docs/2.2/> for detailed information.
# In particular, see
# <URL:http://httpd.apache.org/docs/2.2/mod/directives.html>
[Code]...
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Jun 24, 2010
Loaded iriverter through automatic Ubuntu Software Centre, it is listed under Applications Sound and Video but it will not activate or load when I click on it. The site saids that adobe is required but I have adobe loaded.
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Dec 19, 2010
I have been using a little inexpensive Acer, mainly to retrieve e-mail and to browse the web. I normally work on a Mac platform ( I am a designer). A week ago the Acer took a dive from the counter top to the carpet. (not the first time). Since then (coincidence?) the mail function works fine, but the browser does not go on. What should I do?
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Feb 6, 2011
so when they log on to their profile in kde, they have a max of "x" hrs per day, but not necessarily on any set schedule. can it be done?
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May 22, 2011
I have used nVidia my entire linux life (about 5 years clean and sober from M$). Recently, I have switched over to an ATI Radeon HD 5550 card. After many trial and error setups, I finally got the resolutions and screens set properly with a xrandr command, which I have now added to a shell script in ~/.kde4/Autostart. It has worked for me for a while now, but I really would like to get it set in the xorg.conf.d files so that I don't have to wait that extra few seconds after login for the screens to fix themselves.
Is there an easy way to take what xrandr does and export it to the xorg.conf.d files? If my video card recognizes my default monitor as DFP2 and the tv that I only sometimes use with this computer as DFP1, how can I ensure that the login screen for openSUSE/KDE4 appears on my default screen (an issue that drove me nuts a few months ago when I tried Ubuntu to see what all the fuss was about)?
My xrandr command that I use to fix it all is:
xrandr --output DFP2 --auto --pos 0x0 --primary --output DFP1 --auto --right-of
I am using the proprietary Radeon driver from the ioda repository. DFP2 is a monitor which has a optimum resolution of 1920x1200, and DFP1 is an 1080p HDTV. I can not reverse the output plugs for the screens even though my monitor is an HDMI monitor because I use the actual HDMI port on the video card to output audio to the television and the other plug is a DVI that I convert to HDMI for the monitor.
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Feb 14, 2010
I have card Audigy 2 zs.
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May 17, 2010
i have installed kubuntu in ubuntu 10.04 lts, the problem that i have right now is that whenever the laptop hibernates the network manager is disabled!! so i always have to go to the ubuntu desktop enviroment in oder for me to activate the network kubuntu.Is there a way i can just activate the network manager without going to ubuntu desktop enviroment??
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Apr 14, 2011
I downloaded RHEL 6.0 free 30 day trial version.I would like to train to exams but in order to install packages from RHN repo I need to register in their web site RHN.Is it possible to activate RHEL6.0 in trial version in RHN ?
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Mar 20, 2010
Today I noticed, that despite a 1kb/s limit upload being set i was seeding at an unlimited bandwidth, it had been running for 3 hours wasting about 300mb.
I had never seen this before, however 10gb mysteriously disappeared from my 25 quota last month as i dont mind seeding things at 1kb to help people get the missing bits. My 25gb costs me $100 with the larger package being $160 so i dont have much choice but to be stingy.
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