All about resource limits that can be set with the ulimit command

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455 views

Ulimit unlimited stack behavior oddity

I am running an application on a Solaris 10 system. Yesterday we have set the process stack size to unlimited: ulimit -s unlimited Today during the load the process would not come up reporting ...
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247 views

What are the effects of increasing hard and soft limits for ldap user

I've been having some instability issues with my LDAP server. I have ~2000 machines connecting to it. Using netstat -pant | grep slapd, I can typically see 1500+ connections from the clients to the ...
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595 views

Cant ssh, connection terminates immediately with exit status 254

The most recent thing I remember is changing the soft and hard memlock ulimit to unlimited. Now I cant ssh into the machine. This is the ssh log. Authenticated to IP ([IP]:22). debug1: channel 0: ...
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177 views

No virtual memory (-v) item in output of ulimit -a

When I run command ulimit -a, I see no virtual memory item in the list of output of the command. It is unlimited for some user IDs though. Does that mean I am assigned no virtual memory?
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65 views

Process specific ulimit still low after changes to soft and hard ulimits

I'm having trouble with increasing the open-files ulimit (ulimit -n) for a particular process on a Debian 6 server. AFAIK I've done everything to change the servers hard and soft limits in this case, ...
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100 views

ulimit vs. limit on FreeBSD 8.3

I had the same issue with the error as this and this question (both of which I read and understood), the message being: $ ulimit -n 20000 ulimit: bad limit: Operation not permitted I encountered ...
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72 views

Find and close/unlink message queues in the system

I have a SLES-11 machine on which I am not the root where I am building software code that makes extensive use of message queues. Due to some bugs, Now have an error: mq_open: Too many open files I ...
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83 views

Ulimits and pam modules

Can you explain me the relation of ulimit setting on a proccess and line session required pam_limits.so in pam module. In wich modules i really require this line? I have this line in pam.d/su ...
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670 views

Permanently change per-process stack size

When I use ulimit -s to change the per-process stack size, it only lasts for that login; if I restart the setting is lost. How can I permanently change the maximum stack size on my system?