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list all crontabs for users
additionally use "find /etc/cron*" for cronscripts

Belgian banking "structured communication"
Derived from current time down to minutes.

Install pip with Proxy
Installs pip packages defining a proxy

A one-line web server in Ruby
Here's how to serve a directory in one line of Ruby. Handy for sharing files at a conference, for example.

Function to output an ASCII character given its decimal equivalent

foo <--> german translation with dict.leo.org
Translate strings from non-german to german (and vice versa) using LEO. Put it in your ~/.bashrc. Usage: $ leo words   To use another language other than english, use an option: $ leo -xx words Valid language options: ch - chinese en - english es - spanish fr - french it - italian pl - polish pt - portuguese ru - russian The other language will always be german!

Shows what processes need to be restarted after system upgrade
emerge,apt-get,yum... all update your system. This will at some point replace either a runtime dependency or a process (which is still running). This oneliner will list what processes need to be restarted

Delete All Objects From An S3 Bucket Using S3cmd

Find biggest 10 files in current and subdirectories and sort by file size

extract email adresses from some file (or any other pattern)
find all email addresses in a file, printing each match. Addresses do not have to be alone on a line etc. For example you can grab them from HTML-formatted emails or CSV files, etc. Use a combination of $...|sort|uniq$ to filter them.


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