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For debian and ubuntu :
sudo apt-get install pdfcrack
xargs is a more elegant approach to executing a command on find results then -exec as -exec is meant as a filtering flag.
With this command you can use shell variables inside sed scripts.
This is useful if the script MUST remain in an external file, otherwise you can simply use an inline -e argument to sed.
Easy way to find your computers IP in one place, ie, twitter
It suppress the need of dyndns clients and remembering the complex names they give you.
I put it inside KAlarm ( the cron GUI for KDE, ubuntu), to update my ip every 3 minutes.
I did not add the cron statements to keep the code clean.
where "cicciobox" is the name of your virtual machine in a Sun VirtualBox server
If like me you do a lot of front-end coding and you have a lot of clients that asks you some little modifications, then you send the modifications back to them in a zip file while ignoring the .git folder and .gitignore file, then copy this zip into your dropbox and send it back to them. They find out a new bug so, rince and repeat? You get the picture. It can be quite tedious.
Alias to produce a list of all subdir sizes in current dir, in reverse order and human readable units. du is executed only once. Remove the slash after the asterisk to include files.
Mirror every lvol in vg00 in hp-ux 11.31
If you want to know what OS are supported on "guest" machines on the Sun VirtualBox server.
It's made for a script use, where you have 3 parameters:
1. parameter is the filename
2. (optional) the encoding for subtitles
3. (optional) the scaling of the video, since fullscreen doesn't mean that the video will be scaled.
Changes are displayed when they are written to the file
No comment: it's easy!
find and normal files and list them sorting with modification time without group
l: with detailed information
t: sort with modification time
r: reverse order
h: show file's size in human-readable format, such as K(kilobytes), M(megabyes) etc.
g: do not show group
Replaces every ocurrence of 'old' for 'new' in all files specified. After the 'i' char you can put a '~' or whatever to create a backup file for each replaced with the name equal to the original plus character.
Reverse DNS lookups, from a file with list of IP's, here the file is called lookups.txt
Require wmctrl and gpicker and an EWMH/NetWM compatible X Window Manager
w3m is a commanline web browser, full of options, I used -dump_head for less unnecessary page download.
With awk, I can retrieve dynamic changes in webpages in this very econnomical fashion
print members both in file1 and file2