Use it with cat and '|' for know what is used in a conf file. For example cat /etc/squid/squid.conf | sed -re '/^#/d ; s/#.*$// ; /^\s$/d' : Show you what you use in your file conf. It removes all comments and empty lines. Empty lines are lines with nothing, a tab, or a space.
It will produce passwords with length of 20 printable characters within a reasonable time. For shorter or longer passwords just change the 20 in bs=20 to something more convenient. To create only alpha numeric passwords change [:print:] to [:alnum:] Show Sample Output
tells you the number of lines in said file, and then tail the last 100 lines ( or how many are messed up) then u take the total amount of lines and then subract the 100 or so lines u DONT WANT, then do a head -n $new_number and then redirect it to new file.db
chkrootkit is a tool to locally check for signs of a rootkit,Get it from the website http://www.chkrootkit.org
Convert all Tables from MyISAM to InnoDB
The command line can be accessed by using the cmd command which will open a command window with a DOS interface. The command line is a throw back to the early days of computing before there was a Windows interface. Show Sample Output
List of commands you use most often suppressing sudo Show Sample Output
Test your XFS filesystem and Raptor hard drives for write performance.
change ":" in path for new line and associate word path to var $PATH
Batch resize all images to a width of 'X' pixels while maintaing the aspect ratio. This makes uses of ImageMagick to make life easier.
Find and replace specific characters in a single line in multiple files with sed. Show Sample Output
Some malicious program appends a iframe or script tag to you web pages on some server, use this command to clean them in batch.
You can replace "sort -nu" with "sort -u" for a word list sorted or "sort -R" for a random-sorted line (edit: corrected) Show Sample Output
Here's a bash version using an array.
NOT MINE! Taken from hackzine.com blog. It creates a tree-style output of all the (sub)folders and (sub)files from the current folder and down(deeper) Quoting some of hackzine's words "Murphy Mac sent us a link to a handy find/sed command that simulates the DOS tree command that you might be missing on your Mac or Linux box. [..split...] Like most things I've seen sed do, it does quite a bit in a single line of code and is completely impossible to read. Sure it's just a couple of substitutions, but like a jack in the box, it remains a surprise every time I run it." Show Sample Output
This command allows you to find the effective uid and gid of the Apache process regardless of process name (which can be apache2 or httpd depending on distro).
You need to install the package wajig. Show Sample Output
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