ulimit provides control over the resources available to the shell and to processes started by it, on systems that allow such control

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XAMPP won't start Apache on Mac OS X 10.6.8 Snow Leopard

When I try starting Apache from the XAMPP control panel (Mac OS X 10.6.8 Snow Leopard), I get the following error popup and Apache won’t start: /Applications/XAMPP/xamppfiles/bin/apachectl: line 70: ...
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Why changes to /etc/limits don't work on an embedded system

I am trying to provide support for core dump on my ARM based target. I have read about both /etc/limits and /etc/security/limits.conf. My target file system doesn't have the latter one on to it. So I ...
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1answer
40 views

how does GDM set ulimits (Fedora)?

On Fedora FC20. /etc/security/limits.conf has: * soft nofile 60000 * hard nofile 60000 * soft nproc 30000 * hard nproc 30000 After logging in through GDM, and opening a shell, the limits are 60000 ...
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1answer
631 views

Core dump generation on Linux

Something very perplexing is going on, with respect to my box. Below are my settings in /etc/sysctl.conf: kernel.core_pattern = core kernel.core_uses_pid = 1 In /etc/profile, I have this: ulimit ...
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1answer
1k views

ulimit soft limit for file descriptors - for a non-root user on CentOS 5.6

I am needing to increase the soft limit for "file descriptors", and make it effective for a non-root user (lets say user1). Ran these commands, while logged in as user1: >ulimit -a core ...
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1answer
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values set in limits.conf are not working

I set some values in /etc/security/limits.conf as below: * hard stack 204800 * hard nofile 8192 Then rebooted the server. Now the ulimit command still lists some old/default values: # ...
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1answer
419 views

Do I have to restart my machine for ulimit - u to take affect?

So I have an external 3rd party application which runs on Java. The JVM is getting a load of OutOfMemeory errors and their support team suggested I raise the ulimit - u from he default 1024 to 4096 ...
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0answers
908 views

Cannot increase maxfiles limits on Mac 10.7

I an only set lower values for the launchctl limit maxfiles. I try launchctl limit maxfiles 2048 2048 and nothing changes: $ launchctl limit maxfiles maxfiles 500 500 $ launchctl limit ...
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0answers
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Why isn't “(ulimit -d 1000; firefox) &” working?

I'm trying to limit the memory usage of firefox to prevent it from stalling the whole system with problematic web sites. I tried, in bash: (ulimit -d 1000; firefox) & This should limit the ...
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0answers
349 views

Adobe flash on Linux 64bit: “Movie not loaded” and maximum stack-size

I was experiencing problems with all flash content (tried Firefox/Chromium/Opera, Ubuntu/Fedora and several Flash releases to no avail). While trying to playback any flash-movie, no video/sound ...
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0answers
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Update ulimit parameters on ubuntu with out restarting

I am trying to update ulimit open files limit from 1024 to 30000. but i need this change with out restarting the server? Even on restarting the server this changes are not reflected followed this ...
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0answers
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Using ulimit with cron jobs

I'm having a hard time understanding how to use ulimit to manage process resource allocation. It looks like you use ulimit to limit a user's resources, but how do you use it on a specific process? In ...
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0answers
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Ulimit is set on second login, not first

I'm using Debian Jessie and I have a strange error connected with setting the limit of open files per process. I want to increase the default limit for certain user (me), so I added to ...
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0answers
854 views

How to increase maximum file open limit (ulimit) in Ubuntu?

Currently ulimit -n shows 10000. I want to increase it to 40000. I've edited /etc/sysctl.conf and put fs.file-max=40000. I've also edited /etc/security/limits.conf and updated hard and soft values. ...
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0answers
87 views

what are sane open file descriptor limits on linux?

Where can I get good guidance on sane values for open file descriptor limits on linux. We have users asking for massive numbers as their limits and I am unsure of the impact of this and what should ...
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0answers
280 views

How to find out the available (and used) user resources?

With ulimit, we can find out how many open files, running processes etc. at most the user can have at the same time. My question is: how can we find out how much of these limits are being used and how ...