LINUX
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Thursday, November 11th, 2010df -m
Linux : Adding a Directory to the Path
Wednesday, November 4th, 2009The best place to add a directory to the path of a single user is to modify that user’s .bash_profile file. To add it to all users except user root, add it to /etc/profile. To also add it to the path of user root, add it to root’s .bash_profile file.
vi editing mode quick reference
Friday, October 30th, 2009Shortcut Description Switching to COMMAND Mode: ESC Switch to command mode. Commands for Entering INPUT Mode: i Insert before cursor. a Insert after cursor. I Insert at [...]
Linux Oracle tuning parameter : Shutdown GUI
Friday, June 5th, 2009Modify the ‘inittab’ file to set boot level as 3:
Linux Oracle tuning parameter : Disable Unnecessary Daemons
Friday, June 5th, 2009/sbin/chkconfig –levels 2345 sendmail off /sbin/chkconfig sendmail off
Linux Oracle tuning parameter : Tune TCP
Friday, June 5th, 2009To view current TCP settings, run command: sysctl net.ipv4.tcp_keepalive_time net.ipv4.tcp_keepalive_time = 7200 // 2 hours where net.ipv4.tcp_keepalive_time is a TCP tuning parameter. To set a TCP parameter to a value, run command: sysctl -w net.ipv4.tcp_keepalive_time=1800
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