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

learn more… | top users | synonyms

3
votes
1answer
37 views

limits.conf modification doesn't work

On a SLES 9 machine I added the line: vi /etc/security/limits.conf USERNAME hard cpu 70 but when I check it with "ulimit -a": SERVER:~ # su USERNAME USERNAME@SERVER:/root> ...
2
votes
1answer
163 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, ...
1
vote
1answer
832 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 ...
0
votes
1answer
291 views

Increasing `ulimit -u` settings temporarily in OSX Yosemite

I'm trying to temporarily (without restarting the machine, just for test that starts a JVM) increase the number of processes to 2048 in OSX Yosemite but I'm unable to do so. First, I tried calling ...
0
votes
1answer
254 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?
2
votes
0answers
44 views

Catch/diagnose user process being killed - Inexplicably logged out automatically

Context: I'm using bash in Mac OSX Yosemite. Problem: I'm executing a (python) script that I expect to use alot of resources and take a few hours to run, redirecting stdout and stderr to a log file. ...
2
votes
0answers
225 views

ulimit settings in /etc/security/limits.conf not in effect for users

Oracle Linux 6.6 Goal: user jboss_app should be able to run up to 16384 processes We increased max user processes because a user was running out of processes. Current contents of limits.conf: ...
1
vote
0answers
400 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 ...
1
vote
0answers
150 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 ...
1
vote
0answers
222 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 ...
1
vote
0answers
914 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?
0
votes
0answers
44 views

LINUX processes are forking up to thousand of processes again, even after kill command

On one of our boxes, I'm encountering strange problem from time to time.. in.tftpd processes are forking up to thousand of processes, getting server to almost unresponsive state. I've tried various ...