Unix §

Basics §

• Vim
• SSH
• Git

Scripting §

• Shell, Bash, Zsh
• find, FZF, ripgrep
• AWK, sed
• Autorun commands on file changes with entr
• Parse JSON from the Shell jq
  • convert output of standard unix tools to JSON with jc
  • Parse YAML from the Shell with yq

Arch §

• pacman
• xrandr
• Wayland: Switching to Sway Wayland

Basic Commands §

• Rsync & scp
• fstab
• lsof — list open files and ports
• cron — schedule commands to run
• Converting
  • ffmpeg — convert videos
  • qpdf — transform pdfs
• Disk Tools
  • udefrag
  • LVM
  • efibootmgr — change the UEFI Boot Manager configuration
• Networking Tools
  • curl, httpie
  • dig, nc
  • socat — multipurpose relay
  • iperf
  • xfreerdp — rdp to windows machines
  • openssl
• Debugging
  • journalctl
  • systemd
  • coredumpinfo
  • strace — trace system calls
  • sysrqkey
  • systrace

Noteworthy Shell Commands §

Command	Description
shred	secure delete file from disk by overwriting file
zcat, zgrep, zdiff	work directly with compressed files
locate -i {pattern}	find file from pattern from updatedb database
true	do nothing, successfully
aspell	spell checking in the terminal
man -k zathura	list all zathura man pages
bc	calculator
gnuplot	plotting with cli
inxi -Fxz	get system information
XVFB	run virtual X session on headless devices
yes	avoid interactive programs
up	interactive pipe plumbing
script	record shell script session
scriptreplay	replay recorded script
less +F	follow files (use instead of tail -f)
whatis	display one-line manual page descriptions
appropros	search the manual page names and descriptions
proxychains	force TCP connections through SOCKS proxy
blkid	list drive and partition types
lsblk -d -o name,rota	check if disk is SSD (0) or HDD (1)

Noteworthy Tools §

Tool	Description
vifm	vim like file manager
vimiv	vim like image viewer
Mastodon	open source slack alternative
mitmproxy	Man in the middle proxy
luastatus	Polybar alternative

Tools to Checkout §

Tool	Description
tc	slow down brothers network speed
ngrep	grep for network
tcpdump	show me packets on a port
tshark	cmdline packet analysis
tcpflow	capture & assemble TCP streams
mitmproxy	spy on SSL connectinos your programs are making
pof	identify OS of hosts connecting to you
netstat/ss/lsof/fuser	what ports are servers using
nftables	newer iptables
hping3	construct any TCP packet you want
traceroute/mtr	what servers are on the way to that server?
tcptraceroute	use tcp packets instead of icmp to traceroute
ethtool	manage physical ethernet connections & network cards
iw/iwconfig	manage wireless network settings
systctl	configure linux kernel network stack
stunnel	make a SL proxy for an insecure server
iptraf/nethogs/iftop/ntop	see what’s using bandwidth
ab/nload/iperf	benchmarking tools
python3 -m http.server	serve files from a dir
ipcalc	calculate ip’s
nsenter	enter a container process’s network namespace
sd	modern sed replacement
fd	modern find replacement
skopeo	container inspection tool