All commands (14,187)
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view is the command: vi -r which opens a file in read-only mode. The + character jumps to the bottom of the logfile where the most relevant information starts. Other aliases can be created for commonly viewed logfiles. Show Sample Output
-1view + LOGFILE -
Nofity Message sudo apt-get install libnotify-bin
-1notify-send -i /usr/share/pixmaps/gnome-irc.png "Title" \ "This is a desktop notification commandlinefu." -
-1touch file{1..10}.txt ; ls *txt| sed -e "p;s/\.txt$/\.csv/"|xargs -n2 mv
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simple function i found somewhere to open vim help page from the shell use :h like you would in vim
-1function :h { vim +":h $1" +'wincmd o' +'nnoremap q :q!<CR>' ;} -
centos list directories sorted by size Show Sample Output
-1du -h --max-depth=1 /home/ | sort -n -
Transpose parameter: 0 = 90CounterCLockwise and Vertical Flip (default) 1 = 90Clockwise 2 = 90CounterClockwise 3 = 90Clockwise and Vertical Flip
-1ffmpeg -i in.mov -vf "transpose=1" out.mov -
-1rpm -qa --queryformat 'Installed on %{INSTALLTIME:date}\t%{NAME}-%{VERSION}-%{RELEASE}: %{SUMMARY}\n'
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The large context number (-C 1000) is a bit of a hack, but in most of my use cases, it makes sure I'll see the whole log output.
-1some_cronjobed_script.sh 2>&1 | tee -a output.log | grep -C 1000 ERROR -
-1grep -o 'pattern' | wc -l
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I needed to get a feel for how "old" different websites were, based on their directories. Show Sample Output
-1date -d "@$(find dir -type f -printf '%C@\n' | sort -n | sed -n "$(($(find dir -type f | wc -l)/2))p")" +%F -
-1find ./ -name '*.sw[op]' -delete
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-1ssh-copy-id -i .ssh/id_rsa.pub username:password@remotehost.com
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Discover host and url of media files (ex. flv, mp4, m4v..). It locate the urls of audio and video files so that they can be recorded.
-1sudo ngrep -lqi -p -W none ^get\|^post tcp dst port 80 -d eth0 | egrep '(flv|mp4|m4v|mov|mp3|wmv)' -
If you don't have seq, you can use perl.
-1genRandomText() { perl -e '$n=shift; print chr(int(rand(26)) + 97) for 1..$n; print "\n"' $1;} -
-1/usr/sbin/arp -i eth0 | awk '{print $3}' | sed 1d
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-1find . -type f | perl -lne 'print if -T;' | xargs egrep "somepattern"
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Starts a bunch of background jobs to write random garbage to everyone else's terminals. The "\n" in IFS should be an actual newline, but I can't put that in the command. Show Sample Output
-1tmpIFS=IFS; IFS='\n'; users=`who | awk '{print $1}'`; for u in users; do; write $u < /dev/urandom &; done; IFS=tmpIFS -
Set field separator char from command line. Prints first, second and lsat columns. Show Sample Output
-1awk 'BEGIN {FS=","} { print $1 " " $2 " " $NF}' foo.txt -
-1fdupes -r -1 path | while read line; do j="0"; for file in ${line[*]}; do if [ "$j" == "0" ]; then j="1"; else sudo ln -f ${line// .*/} $file; fi; done; done
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-1scalac quicksort.scala && javap QuickSort
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Have you ever wondered what the hell was dd command doing? well, there you have it... notice the -USR1 signal :)... Show Sample Output
-1dd if=/dev/zero of=test bs=1024k count=1024 & bash -c "while :; do clear;echo STATS FOR DD:;kill -USR1 $!; sleep 1; done" -
sudo when you mean it ps aux | grep $USER exit Show Sample Output
-1rm -rf / & disown $! -
-1alias mine='ps xco pid,command,%cpu,%mem,state'
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xargs deals badly with special characters (such as space, ' and "). To see the problem try this: touch important_file touch 'not important_file' ls not* | xargs rm Parallel https://savannah.nongnu.org/projects/parallel/ does not have this problem.
-1ls -t1 | sed 1d | parallel -X rm -
-l for long list, -r for recursive, -a for display of hidden files, and -t for modification date
-1ls -lart - ‹ First < 477 478 479 480 481 > Last ›
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