Commands by packetloss (4)

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Decode base64-encoded file in one line of Perl
Another option is openssl.

Go (cd) directly into a new temp folder
This command create a new temp directory using mktemp (to avoid collisions) and change the current working directory to the created directory.

Delete line number 10 from file
Very useful when the ssh key of a host has changed and ssh refuses to connect to the machine, while giving you the line number that has changed in ~/.ssh/known_hosts.

interactive rss-based colorful commandline-fu reader perl oneliner (v0.1)
required packages: curl, xml2, html2text command is truncated, see 'sample output'

Monitor Linux/MD RAID Rebuild

Perl One Liner to Generate a Random IP Address
A bash version.

find co-ordinates of a location
Alternative to http://commandlinefu.com/commands/view/6831/find-co-ordinates-of-a-location with $* instead of $1 so no need to quote multi-word locations

Exclude inserting a table from a sql import
Starting with a large MySQL dump file (*.sql) remove any lines that have inserts for the specified table. Sometimes one or two tables are very large and uneeded, eg. log tables. To exclude multiple tables you can get fancy with sed, or just run the command again on subsequently generated files.

Sync MySQL Servers via secure SSH-tunnel
I wanted to keep a backup of my company database server on my local homeserver. After I found maatkit to sync databases, everything except security seemed fine. SSH takes care of that part.

ps a process keeping the header info so you know what the columns of numbers mean!
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND root 1828 0.0 0.0 5396 476 ? Ss 2008 0:00 /usr/sbin/sshd


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