Linux CLI tricks

Send a string to an IP/port telnet 127.0.0.1 80 (echo hello; sleep 1) | telnet 127.0.0.1 80 echo hello > /dev/tcp/127.0.0.1/80 References https://tldp.org/LDP/abs/html/x17974.html https://highon.coffee/blog/reverse-shell-cheat-sheet/ https://catonmat.net/bash-one-liners-explained-part-three http://docs.eggplantsoftware.com/epp/9.0.0/ePP/advovercoming_tcpip_connection_li.htm uptime The three load average values are 1, 5 and 15 minutes. $ uptime 15:29:28 up 20:23, 0 users, load average: 5.08, 1.49, 0.51 stress Stress your system in different ways. $ stress --cpu 8 Number of processors $ make -j $(nproc) Synonyms for localhost localhost 127. [Read More]