Commands using awk

I make an extensive use of sudo, so I had to exclude the sudo part of the command history

Tested in bash on AIX & Linux, used for WAS versions 6.0 & up. Sorts by node name.

Useful when you have vertically-stacked instances of WAS/Portal. Cuts out all the classpath/optional parameter clutter that makes a simple "ps -ef | grep java" so difficult to sort through.

It searches for a specific value in the specified column and if it finds it it'll print the whole field/row. Similarly, if you don't know what you're looking for exactly but want to exclude something you're already aware of, you can exclude that "something: awk '{ if ($column != "string") print $0}'

Often you want to nmap a list of IPs using the -iL flag. This is an easy way to generate a list of IPs that are online in a specific subnet or IP range (192.168.1.100-110).

Mounts a disk-image of a hdd with partitions

Save as a bash script and run as root to set the ondemand cpu frequency governor for all cpu cores. Name the file ondemand. Change 'ondemand' in the argument to performance or your preferred governor to do the same thing but set all cpu cores to use the performance governor (or your preferred governor)

To distinguish normal users from system users. Specify an UID, to list all all users with UID bigger than that in /etc/passwd.

The other 2 commands that are listed will also kill the egrep process and any libexec processes because the .exe isn't escaped so it is really using . meaning anything containing exe. The command i posted escapes the (dot) in .exe and then filters the actual egrep process so that it doesn't get killed before the other processes being killed. Also added the -9 switch for kill to send sigterm to the processes, in case people are wondering why processes aren't getting killed after running just kill . This should work better for people :)

This command will help you to find how many number of connection are made to given mysql and what are the different hosts connected to it with number of connection they are making.

Save some CPU, and some PIDs. :)

Command is properly working on HP-UX 11.31

This will list the files in a directory, then zip each one with the original filename individually.

video1.wmv -> video1.zip

video2.wmv -> video2.zip

This was for zipping up large amounts of video files for upload on a Windows machine.

This command uses awk(1) to print all lines between two known line numbers in a file. Useful for seeing output in a log file, where the line numbers are known. The above command will print all lines between, and including, lines 3 and 6.

This sums up the page count of multiple pdf files without the useless use of grep and sed which other commandlinefus use.

Better awk example, using only mplayer, grep, cut, and awk.

This helps quickly get information for each disk that is seemingly having hardware issues.

Takes file (text.txt), removes BOM from it, and outputs the result to a new file (newFile.txt). BOM is "Byte Order Mark" ([http://en.wikipedia.org/wiki/Byte_order_mark]), an invisible, non-breaking, zero-length character. In other words, if you see a DIFF with "" at the beginning, you've got a byte order mark, which can't be removed without this command or a hex editor. It can appear for a number of reasons, such as getting copied to/from a UNIX filesystem...

svn log -v --> takes log of all

Filter1

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-r {from}{to} --> gives from and to revision

Filter2

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awk of line 'r'with numbers

Assign user=3rd column [ie; username]

Filter3

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if username = George

print details

Filter4

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Print lines starts with M/U/G/C/A/D

[* A Added * D Deleted * U Updated * G Merged * C Conflicted]

Filter5

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sort all files

Filter6

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Print only uniq file's name alone.