Console commands for system management

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This older page has been deprecated, please go to the Console page, Console Commands for System Management section

Display current end of syslog

tail -f --lines=99 /var/log/syslog

Show current memory usage

free -l

List processes


List processes (similar to top but ...)

ps -ef

List the processes on the server and their memory size (first column) sorted by the memory size, largest will be last

ps -eo size,pid,args --sort size

Show system configuration parameters, including security and permissions

testparm -sv

For an excellent description and example of the use of screen, see The screen tool allows you to 'detach' a console session, to keep it running even if you log out of a Telnet or other console session.