cpu, memory and network commands

• df -h→ disk space usage in human readable format (mb, kb, gb)
• free -g→ mem usage (ram and swap memory) in gigabytes
• top → mem, cpu and disk together
• nproc→ shows the number of available CPU cores in the system
• htop (just an advanced version of top)
  • default tool that lists all the processes and threads running/sleeping on the system
  • displays the system load, cpu usage and other sys stats
  • lists all the processes with PIDs, Command., cpu usage, port etc.
• netstat
  • default tool to view n/w connections, ports, and routing table in the machine

netstat -a # shows all tcp and udp connections
netstat -lntu # l -> listening, -n -> ip/port, -t -> tcpm, -u -> udp

read more about these commands!

Links:

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