Advanced Linux Commands for system Administration


top → The top program provides a dynamic real-time view of a running system activity

vmstat → System Activity, Hardware and System Information

w → Find Out Who Is Logged on And What They Are Doing

uptime → Tell How Long The System Has Been Running

ps → Displays The Processes

free → Memory Usage

iostat → Average CPU Load, Disk Activity

sar → Collect and Report System Activity

mpstat → Multiprocessor Usage

ss → Command is used to dump socket statistics

netstat → Network Statistics

strace → System Calls

mtr → Combines the functionality of the traceroute and ping programs in a single network diagnostic tool.

lsof → list open files, network connections and much more.

psacct → to keep a detailed audit trail of what’s being done on your Linux systems

ac → The ac command displays statistics about how long users have been logged on.

lastcomm → The lastcomm command displays information about previous executed commands.

accton → The accton command turns process accounting on or off.

sa → The sa command summarizes information about previously executed commands.

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