Questions about /etc/profile ulimit -Hn and /etc/initscript & /etc/security/limits
From: tripolar (tripolar_at_comcast.net)
Date: 06/04/04
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Date: Thu, 03 Jun 2004 22:50:14 +0000 To: debian-user@lists.debian.org
When running java w/ another program I get this error message-
java.io.IOException: Too many open files
I was told
1) change /etc/profile to add ulimit -Hn 65536
2)create /etc/initscript as described in man initscript, including
ulimit -Hn 65536
Someone else mentioned /etc/security/limits.
Now I have looked at /etc/profile which is gibberish for someone like me
who knows nothing about shell scripts. I wonder do I just add the line
"ulimit -Hn 65536" anywhere in that file??
Next question- I have read man initscript and wonder do I take that
sample file- change the ulimit -Hn to 65536 and save.
This particular line- "Experimenting with this can make your system
un(re)bootable." has be quite worried. In /etc/security/limits
everything is commented out without any reference to ulimits. Yes I have
googled without luck- specifically Debian way of doing this. Here is
/etc/profile-
"# /etc/profile: system-wide .profile file for the Bourne shell (sh(1))
# and Bourne compatible shells (bash(1), ksh(1), ash(1), ...).
PATH="/usr/local/bin:/usr/bin:/bin:/usr/bin/X11:/usr/games"
if [ "$PS1" ]; then
if [ "$BASH" ]; then
PS1='\u@\h:\w\$ '
else
if [ "`id -u`" -eq 0 ]; then
PS1='# '
else
PS1='$ '
fi
fi
fi
ulimit -Hn 65536
export PATH
#export CLASSPATH=.:/usr/local/j2re1.4.2_04/lib:/usr/local/j2re1.4.2_04/lib
#export JAVA_HOME=/usr/local/j2re1.4.2_04
#export PATH=$PATH:/usr/local/j2re1.4.2_04/bin
umask 022"
You can see I added "ulimit -Hn 65536". I havent rebooted yet out of
fear *grimace*
Considering the path to java is below
/usr/lib/j2re1.4-sun/bin/java
and the path to the other program is /home/user/program/program.sh
Do I need to be specific about java or user in /etc/profile?
Lastly do I need to set something in /etc/security/limits?
Thanks
After banging my head on this problem I have a headache and need
aspirin. I hope someone will help me out with this ulimit problem.
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- Previous message: Justin Guerin: "Re: Can't play audio CD's"
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- Reply: Bob Proulx: "Re: Questions about /etc/profile ulimit -Hn and /etc/initscript & /etc/security/limits"
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