All commands (14,187)
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-2cut -f2 file.txt | cut -d " " -f1
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Some servers don't have ssh-copy-id, this works in those cases. It will ask for the destination server, this can be IP, hostname, or user@hostname if different from current user. Ssh keygen will let you know if a pubkey already exists on your system and you can opt to not overwrite it.
-2echo 'Host or User@Host?:'; read newserver && ssh-keygen -N "" -t rsa -f ~/.ssh/id_rsa ; ssh $newserver cat <~/.ssh/id_rsa.pub ">>" ~/.ssh/authorized_keys ; ssh $newserver -
This was tested on Ubuntu 12.04 (Precise) LTS Server. It returns the name of the symlink within /dev/disk/by-id for the physical drive you specify. Change /dev/sda to the one you want, and replace ata- with scsi- or the appropriate type for your drive. I used this to pre-configure grub-pc during a non-interactive install because I had to tell it which disk to install grub on, and physical disks don't have a UUID such as that blkid provides.
-2ls -l /dev/disk/by-id | egrep ata-.*`hdparm -i /dev/sda | grep SerialNo | sed 's/.*SerialNo=//' | tr -d "\n"`.*sda$ | sed -e 's/.*ata-/ata-/' -e 's|[ ].*||' | tr -d "\n" -
355 # from zsh-users 356 edit_command_line () { 357 # edit current line in $EDITOR 358 local tmpfile=${TMPPREFIX:-/tmp/zsh}ecl$$ 359 360 print -R - "$PREBUFFER$BUFFER" >$tmpfile 361 exec 362 ${VISUAL:-${EDITOR:-vi}} $tmpfile 363 zle kill-buffer 364 BUFFER=${"$( 365 CURSOR=$#BUFFER 366 367 command rm -f $tmpfile 368 zle redisplay 369 } 370 zle -N edit_command_line
-2zsh$ M-v -
Random Cyanide and Happiness comics from explosm.net. I use this command http://www.commandlinefu.com/commands/view/3477/random-xkcd-comic and update it for explosm.net --edit : modification for *.jpeg files + guest authors
-2cyanide(){ display "$(wget -q http://explosm.net/comics/random/ -O - | grep -Po 'http://www.explosm.net/db/files/Comics/*/[^"]+(png|jpg|jpeg)')"; } -
-2ls | grep ".txt$" | xargs -i WHATEVER_COMMAND {}
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-2bdf | awk '(NF<5){f=$1; next} (NF>5){f=$1} {print f, $2, $3, $NF}'
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This command produces the output of "du -sk testfile" in every 10 seconds. You can change the command to be whatever you want.
-2while true ; do du -sk testfile ; sleep 10 ; done -
The magic is performed by the parameter -t Show Sample Output
-2for F in $(find ./ -name "*.tgz") ; do tar -tvzf $F ; done -
I had a file named " " (one space) and needed a way to see what the real filename was so I could remove it. sed to the rescue. Show Sample Output
-2ls | sed 's,\(.*\),"\1",' -
Run program as root by SSH key forwarding instead of sudoers. Put this alias line in .bashrc or wherever you like. Alias arguments might need extra escaping. You might wonder about security. But you'd block out root login as much as possible of course. In sshd_config you put this: PermitRootLogin no Match Address 127.0.0.1 PermitRootLogin without-password
-2alias sshdo='ssh -q -t root@localhost -- cd $PWD \&\& sudo' -
alternatives: xinit $(which gnome-awesome-session) with cat /usr/local/bin/gnome-awesome-session: #!/bin/bash exec gnome-session --session awesome "$@" following: http://awesome.naquadah.org/wiki/Quickly_Setting_up_Awesome_with_Gnome note: in ubuntu 12.10 a probable Xephyr recent bug rejects keybd option ... Show Sample Output
-2xinit $(which awesome) -- /usr/bin/Xephyr :5 -once -fullscreen -ac -keybd "ephyr,,,xkbmodel=pc105,xkblayout=it,xkbrules=evdev,xkboption=" -
To install on centos 6.2 for Centos auto accept: yum install fortune* -y yum install cowsay* -y Removed the -f command as I dont know how, but it works without it. Almost the same but one folder higher =).
-2fortune | cowsay $(ls/usr/share/cowsay | shuf -n1) -
-2mplayer -shuffle $HOME/music/* $HOME/Dropbox/Music/*/* $HOME/Dropbox/Music/*/*/* etc. >> /dev/null 2>&1
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Resize all png in the current folder. Warning: no copy. Make sure you have a copy of the originals
-2for f in *.png; do convert $f -resize 852x480 $f; done -
Every 20 minutes ping host with IP address 192.168.0.14. If it's not 'alive' or not reachable, then display something eye-catching (here xeyes) on the desktop. Hint for newbies: edit crontab with
crontab -e-210,30,50 * * * * ping -q -c1 -w3 192.168.0.14 | grep '1 received' - || env DISPLAY=:0 xeyes -
.daa is a non-standard disk image format that can not be read by any other program. This is how you can extract the files though. PowerISO binary for Linux: http://www.poweriso.com/poweriso-1.3.tar.gz "This is a free utility for linux which can extract, list, and convert image files (including ISO, BIN, DAA, and other formats). Type " poweriso -? " for detailed usage information. File Size: 278KB"
-2./poweriso extract $USER/file.daa / -od $USER/file_extracted -
Scan for viruses, recursively and print only infected files, with bell sound. Clamscan is part of clamav package. Tested on Debian.
-2clamscan -ir --bell ~user/ -
-2curl http://whatismyip.org
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Undo (sh, bash, tcsh)
-2[Ctrl+u] -
-2ls . | xargs file | grep text | sed "s/\(.*\):.*/\1/" | xargs gedit
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-2for i in 192.168.1.{1..254} ; do if ping -c1 -w1 $i &>/dev/null; then echo $i alive; fi; done
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-2git last commit on a file.
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-2tar -cf - /etc | tar -xf - -C </destination/folder>
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This is a little trickier than finding the last Sunday, because you know the last Sunday is in the first position of the last line. The trick is to use the NF less than or equal to 7 so it picks up all the lines then grep out any empty lines. Show Sample Output
-2cal 04 2012 | awk 'NF <= 7 { print $7 }' | grep -v "^$" | tail -1 - ‹ First < 520 521 522 523 524 > Last ›
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