Tipp

Comparing two files with the diff utility is an easy task diff <file1> <file2> But if you want to compare the output of two commands without temporarily saving it to a file, it's a bit more complicated, because diff needs two inputs: diff -u

As I find it a very unintuitive way to set the "Port Native VLAN" on a Brocade switch, I just want to share this with the world. And this is how to set the "Port Native VLAN" on an interface: interface ethernet <your interface>

After my post Easy bash script locking with mkdir [http://tobrunet.ch/2013/01/easy-bash-script-locking-with-mkdir/] I got a lot of feedback and I've learned a lot about locking (Credits to my co-worker @nine_ch [http://twitter.com/nine_ch]). One thing I've learned: Linux has flock.

It's very easy to implement locking in a bash script using mkdir. While there are other methods like: * Touch a file and check its availability * Use special tools like lockfile-progs in Debian or lockfile in other distributions * Find the running process with pgrep I prefer mkdir for simple

Puppet as of version 2.7 has not been designed to iterate over datastructures, but there are some tricks we can use. Here are two links to the Puppet documentation which explains Arrays and Hashes: * Arrays [http://docs.puppetlabs.com/puppet/2.7/reference/lang_datatypes.html#arrays] * Hashes [http:

Blog post Be productive with the MySQL command line [http://www.mysqlperformanceblog.com/2012/12/21/be-productive-with-the-mysql-command-line/] on "MySQL Performance Blog" about the MySQL command line shortcuts and what other nice things you can do with it.

Some time ago I had troubles with the backspace key while configuring a Brocade device. It did not do anything. The problem is, that my terminal (Konsole) does not send "Ctrl-H", but the Brocade terminal expects it to delete a character before the cursor. To solve this problem,