Commands using sed (1,319)

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Get DELL Warranty Information from support.dell.com
pretty much the same. I use awk rather than grep and perl. It looks like the URL has been updated. The service tag can also be retrieved via snmp - potential for a for loop over a list of servers. I might have a look into doing an example.

check open ports without netstat or lsof

list block devices
Shows all block devices in a tree with descruptions of what they are.

Retrieve top ip threats from http://isc.sans.org/sources.html and add them into iptables output chain.
Retrieve top ip threats from http://isc.sans.org/sources.html and add them into iptables output chain.

Batch rename extension of all files in a folder, in the example from .txt to .md

Prettify an XML file
Like `tidy`, `xmllint` can be used to prettify XML files. The --nsclean option is also useful to remove redundant namespaces.

change up n directories
Change n directories up, without parameters change one up

Script executes itself on another host with one ssh command
Now put more interesting stuff on the script in replacement of hostname, even entire functions, etc, and stuff. hosta> cat myScript.sh #!/bin/sh [ $1 == "client" ] && hostname || cat $0 | ssh $1 /bin/sh -s client hosta> myScript.sh hostb hostb hosta>

IFS - use entire lines in your for cycles
When you use a "for" construct, it cycles on every word. If you want to cycle on a line-by-line basis (and, well, you can't use xargs -n1 :D), you can set the IFS variable to .

Show biggest files/directories, biggest first with 'k,m,g' eyecandy
I use this on debian testing, works like the other sorted du variants, but i like small numbers and suffixes :)


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