## TL;DR - Too long; didn't read Simplified and community-driven man pages ### Install ```bash sudo apt install tldr ``` ### Update offline cache ```bash tldr -u ``` ### Example of `tldr tcpdump` ``` tcpdump Dump traffic on a network. More information: https://www.tcpdump.org. - List available network interfaces: tcpdump -D - Capture the traffic of a specific interface: tcpdump -i eth0 - Capture all TCP traffic showing contents (ASCII) in console: tcpdump -A tcp - Capture the traffic from or to a host: tcpdump host www.example.com - Capture the traffic from a specific interface, source, destination and destination port: tcpdump -i eth0 src 192.168.1.1 and dst 192.168.1.2 and dst port 80 - Capture the traffic of a network: tcpdump net 192.168.1.0/24 - Capture all traffic except traffic over port 22 and save to a dump file: tcpdump -w dumpfile.pcap port not 22 - Read from a given dump file: tcpdump -r dumpfile.pcap ``` ## Moniteur de ressources `btop` https://github.com/aristocratos/btop #### Install ```bash sudo apt install btop ``` ### Use ```bash btop ``` ### Configure ```bash $EDITOR ~/.config/btop/btop.conf ``` ## Tunneling SSH ```bash ssh -f utilisateur@serveur -L port_local:localhost:port_distant -N ```