we have postfix mail server running in Centos 5. yesterday I started to get message in log that there is insufficient space., then I contacted one guy he told me that VAR is full you need to flush or delete to make space free. I don't have an idea how to flush and make space free; requesting me to guide or educate me how to make space free without any effect on mail server function.
Using 'screen' for session sharing, The Simple Edition
Step 1: user starts session with command: screen
Step 2: other user (logged in with same user account) connects with command: screen -x
Done. Both users are connected to the same CLI sessio…
Learn how to get help with Linux/Unix bash shell commands.
Use help to read help documents for built in bash shell commands.: Use man to interface with the online reference manuals for shell commands.: Use man to search man pages for unknown command…
Learn how to navigate the file tree with the shell.
Use pwd to print the current working directory: Use ls to list a directory's contents: Use cd to change to a new directory: Use wildcards instead of typing out long directory names: Use ../ to move…