All commands (14,187)
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It will change the reserve_lock attribute to all AIX EMC disk attached.
0for i in $(lsdev -Cc disk | grep EMC | cut -f 1 -d " " ); do if lsattr -a reserve_lock -El $i | grep -q "reserve_lock yes"; then chdev -a reserve_lock=no -l $i; fi; done -
0pgrep -c cat
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Backspace and Return/Enter equivalents
0<ctrl+h> and <ctrl+j> -
0sudo usermod -a -G adm "$(whoami)"
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0awk '{command="echo "$2"|md5sum" ;command | getline $2; close(command);sub(/[[:blank:]].*/,"",$2); print $0}'
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find files recursively from the current directory, and list the extensions of files uniquely Show Sample Output
0find . -type f |egrep '^./.*\.' |sed -e "s/\(^.*\.\)\(.*$\)/\2/" |sort |uniq -
This exports all lines of input file as environment variables, assuming each line is like these: OH=YEAH FU=UUUU
0while read line; do export $line; done < <(cat input) -
This command takes all CR2 files in the current directory and convert them into JPG
0for i in *.CR2; do dcraw -c -a -h $i | ppmtojpeg > `basename $i CR2`JPG; echo $i done; done -
This command will open the AVD Manager in Mac OS X.
0/usr/bin/java -Xmx256M -XstartOnFirstThread -Dcom.android.sdkmanager.toolsdir=android-sdk/tools -classpath android-sdk/tools/lib/sdkmanager.jar:android-sdk/tools/lib/swtmenubar.jar:android-sdk/tools/lib/x86_64/swt.jar com.android.sdkmanager.Main avd -
tr ' ' '\n' isn't needed, it's just there to make the output prettier. Show Sample Output
0echo {{a..z},{A..Z},{0..9}}{{a..z},{A..Z},{0..9}}{{a..z},{A..Z},{0..9}} | tr ' ' '\n' -
Recent versions of dd provides status flag. Setting that flag to progress shows progress in realtime.
0dd status=progress if=infile of=outfile bs=512 -
0if nc -zw1 google.com 443 2>/dev/null; then echo 'Connected!'; fi
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This will check all .HTML file contents for the word "Hacked" and dump it to hacklog.txt. This is great for located all those files affected by nasty Joomla exploits. Change the .HTML to any other extension you wish to check, and of course the word "HACKED" for other searches.
0find . -type f -name '*.html' -exec grep -H HACKED {} \; > hacklog.txt -
Today's date on a yearly calendar... credits to http://lifehacker.com/250825/cli-fun--todays-date-on-a-yearly-calendar Show Sample Output
0cal -y | tr '\n' '|' | sed "s/^/ /;s/$/ /;s/ $(date +%e) / $(date +%e | sed 's/./#/g') /$(date +%m | sed s/^0//)" | tr '|' '\n' -
Empties all files in /var/log over 5000k. Useful if /var goes crazy or if you just haven't cleaned up in a while.
0for file in `find /var/log/ -type f -size +5000k`; do echo " " > $file; done -
For example: check the APT security keys to make sure the Google digital signature was imported correctly Show Sample Output
0apt-key list -
If you want all the URLs from all the sessions, you can use :
perl -lne 'print for /url":"\K[^"]+/g' ~/.mozilla/firefox/*/sessionstore.jsThanks to tybalt89 ( idea of the "for" statement ). For perl purists, there's JSON and File::Slurp modules, buts that's not installed by default.0perl -lne 'print for /url":"\K[^"]+/g' $(ls -t ~/.mozilla/firefox/*/sessionstore.js | sed q) -
8.8.8.8 and 8.8.4.4 are two Google public DNS. As their address is really simple, it's easy to use this command to test if Internet is reachable. Beware of large corporate networks however, that may use this address on router's loopbacks interfaces.
0ping 8.8.8.8 -
Among other things, this allows the sorting of comment descriptions and command lines retrieved as text from CommandLineFu.com. Show Sample Output
0gawk 'BEGIN {RS="\n\n"; if (ARGV[1]=="-i"){IGNORECASE=1; ARGC=1}};{Text[NR]=$0};END {asort(Text);for (i=1;i<=NR;i++) printf "%s\n\n",Text[i] }' -i<Zip.txt -
Another way to create temp files in your scripts, if tempfile fails, it will create a hidden local file in the current directory, don't forget to delete $FILE
0FILE=$(tempfile 2>/dev/null || echo .$RANDOM) -
No need to install additional packages eg: say hello For multiword say how+are+you
0say() { wget -q -U Mozilla -O output.mp3 "http://translate.google.com/translate_tts?tl=en&q=$1"; gnome-terminal -x bash -c "totem output.mp3"; sleep 4; totem --quit;} -
This will get all links from a given URL, remove any duplicates, and output the result.
0lynx -dump http://example.com/ | awk '/http/{print $2}' | sort -u -
ofxGui ofxFX
0grep -hor ofx[a-zA-Z]*.h src/ | grep -o ofx[^\.]* >> addons.make -
If you need to hop on a wifi fast, perhaps you're fixing a system and it's read-only this command pipes the output of wpa_passphrase used to generate a .conf file and instead reads it from the standard input stream. The -i switch for interface may not be wlan0, as udev will change it. A quick "ifconfig" or "dmesg | grep wlan0" will show you the wireless interface name.
0wpa_passphrase "ESSID" "Password" | wpa_supplicant -Dwext -iwlan0 -c/dev/stdin& -
adjusts the 'Master' channel's volume up by 1dB. Can use command 'amixer' to see other channels : Simple mixer control 'Master',0 or Simple mixer control 'Capture',0 Show Sample Output
0amixer -c 0 set Master 1dB+ - ‹ First < 455 456 457 458 459 > Last ›
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