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Run the last command as root
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sudo !! |
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Serve current directory tree at http://$HOSTNAME:8000/**
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python -m SimpleHTTPServer |
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Runs previous command but replacing
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echo "Hello Morld" |
^Morld^World |
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echo "Hello World" |
|
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Rapidly invoke an editor to write a long command
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[ctrl+x e] |
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Place the argument of the most recent command on the shell
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'ALT+.' or '<ESC> .' |
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Salvage a borked terminal
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reset |
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List currently mounted filesystems in nice layout
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mount | column -t |
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Get your external IP address
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curl ifconfig.me |
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Execute a command at a given time
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echo "ls -l" | at midnight |
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Output your microphone to a remote computer's speaker
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dd if=/dev/dsp | ssh -c arcfour -C username@host dd of=/dev/dsp |
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Type partial command, check something, resume typing
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vi /etc/ssh/ [ctrl+u] |
ls -lisa /etc/ssh/ |
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[ctrl+y] vi /etc/ssh/ssh_config |
|
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Mount folder/filesystem through SSH
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sshfs name@server:/path/to/folder /path/to/mount/point |
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Mount a temporary ram partition
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mount -t tmpfs tmpfs /mnt -o size=1024m |
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Download an entire website
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wget --random-wait -r -p -e robots=off -U mozilla http://www.example.com` |
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Clear the terminal screen
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[ctrl+l] |
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Compare a remote file with a local file
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ssh user@host cat /path/to/remotefile | diff /path/to/localfile - |
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Update twitter via curl
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curl -u user:pass -d status="Tweeting from the shell" http://twitter.com/statuses/update.xml` |
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SSH connection through host in the middle
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ssh -t reachable_host ssh unreachable_host |
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Close shell keeping all subprocess running
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disown -a && exit |
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Make 'less' behave like 'tail -f'
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less +F somelogfile |
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Put a console clock in top right corner
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while sleep 1;do tput sc;tput cup 0 $(($(tput cols)-29));date;tput rc;done & |
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Shutdown a Windows machine from Linux
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net rpc shutdown -I ipAddressOfWindowsPC -U username%password |
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List of commands you use most often
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history | awk '{a[$2]++}END{for(i in a){print a[i] " " i}}' | sort -rn | head |
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32 bits or 64 bits?
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getconf LONG_BIT |
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Set audible alarm when an IP address comes online
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ping -i 60 -a IP_address |
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Reboot machine when everything is hanging
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<alt> + <print screen/sys rq> + <R> - <S> - <E> - <I> - <U> - <B> |
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Simulate typing
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echo "You can simulate on-screen typing just like in the movies" | pv -qL 10 |
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Quickly rename a file
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mv filename.{old,new} |
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Escape any command aliases
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\[command] |
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Delete all files in a folder that don't match a certain file extension
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rm !(.foo|.bar|*.baz) |
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Reuse all parameter of the previous command line
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!* |
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Sharing file through http 80 port
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nc -v -l 80 < file.ext |
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Display a block of text with AWK
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awk '/start_pattern/,/stop_pattern/' file.txt |
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Kills a process that is locking a file
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fuser -k filename |
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Display all current terminal settings
|
stty -a |
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Type a string, hit [ctrl+d] and see the ASCII codes
|
od -cx |
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Cheatography n. The art of mapping complex subjects into clear, instantly navigable reference guides.
