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Every new command is wrapped in a tweet and posted to Twitter. Following the stream is a great way of staying abreast of the latest commands. For the more discerning, there are Twitter accounts for commands that get a minimum of 3 and 10 votes - that way only the great commands get tweeted.
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unzips all zip files in any subdirectory under the current directory. The zip files are unzipped in their respective subdirs
Built-in function in linux, should work on any distro
apt-show-versions is a program that shows what packages in the system may be updated and several useful information. The -u option displays a list of upgradeable packages:
From: http://www.debian.org/doc/manuals/apt-howto/ch-helpers.en.html
This will show the locations, in order of preference, that MySQL will look for a configuration file
Ever need to erase the contents of a file and start over from scratch? This easy command allows you to do so. Be warned! This will immediately erase all the contents of your file and start you over from scratch (i.e. your file will be at 0 bytes, like if you touch a file).
But who knows to delete the rest of the lines?
I want only "string".
This will get the mac address of the eth0 and change lowercase to uppercase.
The sed command removed the colons.
ls -l may vary depending on operating system, so "print $8" may have to be changed
We can put this inside a function:
fxray() { curl -s http://urlxray.com/display.php?url="$1" | grep -o '<title>.*</title>' | sed 's/<title>.*--> \(.*\)<\/title>/\1/g'; };
fxray http://tinyurl.com/demo-xray
It will return the absolute location of the called a script. If is in $PATH, it will search it using which.
You can combine this function with this other one: http://www.commandlinefu.com/commands/view/9252/readlink-equivalent-using-shell-commands-and-following-all-links, to get a way to know where is the real location of a called script:
# Returns the realpath of a called command.
whereis_realpath() { local SCRIPT_PATH=$(whereis $1); myreadlink ${SCRIPT_PATH} | sed "s|^\([^/].*\)\$|$(dirname ${SCRIPT_PATH})/\1|"; }