All commands (14,187)
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-1update-alternatives --config x-terminal-emulator
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same thing as the other
-1ipcalc $(ifconfig eth0 | grep "inet addr:" | cut -d':' -f2,4 | sed 's/.+Bcast:/\//g') | awk '/Network/ { print $2 } ' -
-1ldd path_to_executable
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tutorial @ http://www.regular-expressions.info/lookaround.html also see @ http://stackoverflow.com/questions/5080988/how-to-extract-string-following-a-pattern-with-grep-regex-or-perl for tip: `grep -Po 'name="\K.*?(?=")' file.txt` Show Sample Output
-1echo "John's" | grep -Po '\b\w+(?<!s)\b' -
use this to avoid executing the target app
-1function ldd(){ objdump -p $1 | grep -i need; } -
On wired connections set 'eth0' instead of 'wlan0'
-1sudo ifconfig wlan0 | grep inet | awk 'NR==1 {print $2}' | cut -c 6- -
On Windows 2000 or newer, you can use the command line to save the current network interface info. You can then edit the text file and re-apply it using the netsh -f command (or netsh exec). Keep a bunch of text files around to quickly switch connection info without using extra software. http://en.wikipedia.org/wiki/Netsh http://support.microsoft.com/kb/242468 http://thelazyadmin.com/blogs/thelazyadmin/archive/2005/04/04/Using-Netsh-to-Manage-Network-Interfaces-Part-2.aspx Show Sample Output
-1netsh interface ip dump > current-interfaces.txt -
Newer versions of Dropbox let you choose the location for your Dropbox folder. If you use script to put things into your Dropbox folder (todo list, screenshots, torrents etc.) but have the Dropbox folder in different locations on your other computers this lets you use the same script on all systems without having to tell it where the Dropbox folder is. Show Sample Output
-1sqlite3 $HOME/.dropbox/config.db "select value from config where key like '%dropbox_path%'" -
solution that works for me
-1script -qf | tee >(nc -l -p 5000) -
-1ct find -avobs -nxname -element 'brtype(branch_name)' -print 2>/dev/null
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-1for f in *.ogg ; do mplayer -quiet -vo null -vc dummy -ao pcm:waveheader:file="$f.wav" "$f" ; done
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a pretty simple script when running java programs from command line Show Sample Output
-1CLASSPATH=.; export CLASSPATH=$CLASSPATH$(find "$PWD" -name '*.jar' -type f -printf ':%p\n' | sort -u | tr -d '\n'); echo $CLASSPATH -
-1openssl req -new -x509 -extensions v3_ca -days 1100 -subj "/C=CA/ST=CA/L=SomeCity/O=EXAMPLE Inc./OU=Web Services/CN=example.com/emailAddress=postmaster@example.com" -nodes -keyout web.key -out web.crt
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I find the other timers are inaccurate. It takes some microseconds to perform the date function. Therefore, using date/time math to calculate the time for us results in millisecond accuracy. This is tailored to the BusyBox date function. May need to change things around for GNU date function. Show Sample Output
-1let T=$(date +%s)+3*60;while [ $(date +%s) -le $T ]; do let i=$T-$(date +%s); echo -ne "\r$(date -d"0:0:$i" +%H:%M:%S)"; sleep 0.3; done -
Add z to the flags to enable compression.
-1tar cf - . | (cd /new/dir; tar xvf -) -
using tail first won't do it because tail counts from the bottom of the file. You could do it this way but I don't suggest it
-1head -n X | tail -n 1 -
(1) don't run twice, or the same folder will occur in $PATH. (2) otherwise you need to start a new terminal Show Sample Output
-1export PATH=$PATH$(find "$PWD" -name '.*' -prune -o -type f -a -perm /u+x -printf ':%h\n' | sort -u | tr -d '\n'); echo $PATH -
-1dpkg -l | sed '/^rc/!d;s/^[^ ]* [^ ]* \([^ ]*\).*/\1/' | xargs -r sudo apt-get -y purge
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Works in RHEL5 and derivatives.
-1nl <filename> -
-1route -n | grep "^0\." | awk '{print "Gateway to the World: "$2", via "$NF""}'
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I will ssh to ip address 192.168.2.1 with user name user. "connect user 192.168.1.1" is same as "ssh user@192.168.1.1"
-1add "ssh $1@$2" in /usr/sbin/connect with executable permission, now use commad "connect user 192.168.1.1" -
logtop show number of lines per second, also classify them so you can show a "top" of every aspect of your logfile : tail -f access.log | awk '{print $1; fflush();}' | logtop
-1tail -f logfile | logtop -
-1lsof -p <process_id> | wc -l
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this command will beep like an alarm for one minute from 18:57. you can change "1857" to your desired time. you should have alsa-oss package installed, and you should also be root or part of "audio" group.
-1while true; do while [ `date +%H%M` == "1857" ] ; do sleep 1s; yes | head -n 2000 > /dev/dsp; done; done; -
-1ps aux | awk {'sum+=$3;print sum'} | tail -n 1
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