Archive for the ‘Redhat’ Category
How to null logs in Linux
To null out log /var/tmp/mond.log
Run: cp /dev/null /var/tmp/mond.log
All the content of the log file will be removed
If log is in use.. you can do this:
Send a SIGSTOP signal to the process which you want to pause/stop, copy the log files to target directory and finally issue a SIGCONT signal to the same process.
linux load over 4 (with 4 processors)
Redhat asked for the below 3 reports to help resolve:
-
top -n 500 -b -d 1 > /tmp/top.txt& (top)
-
vmstat 1 500 > /tmp/vm.txt& (vm info)
- iostat -x 1 500 > /tmp/io.txt& (io)
How to get Linux CPU statistics
less /proc/cpuinfo
What is my Redhat Version?
cat /etc/red*