Usefull linux tools

please note: for installing some toosl you ned to connect EPEL repo first.

htop -extened version of top (process list, memory use ,etc..)

stress - H/W stress test

vmstat - system activity, hardware and system information

ps - displays the processes (ps aux for e.g)

free - memory usage

iostat - average CPU load, disk activity

mpstat - multiprocessor usage

pmap - process memory usage

netstat and ss - network statistics

iptraf - real-time network statistics

tcpdump - detailed network traffic analysis

strace - system calls

cpuburn - cpu stress test

df -h - show hdd usage statistics

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

nmap - scan specified host for open ports.

vnstat - vnStat is a console-based network traffic monitor

scp - copying data from one linux host to another using ssh

mtr - combines the functionality of the traceroute and ping programs in a single network diagnostic tool.

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