Commands using cut

I can't put the last ^2 with seq, so I reverse it to delete the last +N. So for doing sum(N^2) you have to do sum((N+1)^2). Must be a better way.

Locate config files of the program. May not be used for interactive programs like vim.

less ressources (processes) needed

i use this after ripping internet radio streams to number the files as they originally played (even though streamripper can do this with -q).

to number other types of files, or all files, just change the *mp3. to rename directories only you could use

... ls -lt | grep ^d | cut -d ":" -f2 | cut -d " " -f2- | while read ...

Same output

Identical output but a different way without having to shoot with the Awk cannon :)

to reverse lookup and get the hostname.

Show the top file size in human readable form

list top committers (and number of their commits) of svn repository.

in this example it counts revisions of current directory.

Gets all videos in your boxee queue with a URL associated with them and attempts to download each using get_flash_videos

I often use it at my work, on an ovh server with root ssh access and often have to change mod after having finished an operation.

This command, replace the user, group and mod by the one required by apache to work.

I had the problem that the Md5 Sum of a file changed after copying it to my external disk.

This unhandy command helped me to fix the problem.

This backup function preserve the file suffix allowing zsh suffix aliases and desktop default actions to work with the backup file too.

Clears the "arp" table, without entering manually addresses (tested in Ubuntu).

This is a safest variation for "sitepass function" that includes a SALT over a long loop for sha512sum hash

usage:

where COMMIT

for instance:

where 1178c5950d321a8c5cd8294cd67535157e296554

where HEAD~5

This is what we use.

You can grep -v 127.0.0.1 if you wish.

short enough to be tweetable

can be used within a script to configure iptables for example:

iface=$2

inet_ip=`ifconfig "$iface" | grep inet | cut -d: -f2 | cut -d ' ' -f1`

ipt="sudo /sbin/iptables"

.........................

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$ipt -A INPUT -i $iface ! -f -p tcp -s $UL -d $inet_ip --sport 1023: --dport 3306 -m state --state NEW,ESTABLISHED -j ACCEPT

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$ipt -A OUTPUT -o $iface -p tcp -s $inet_ip -d $UL --sport 3306 --dport 1023: -m state --state ESTABLISHED,RELATED -j ACCEPT

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Lightweight alternative with case