Category Archives: CommandLine
sync ruby gems between different installed ruby versions
If you are in the Ruby business (which probably means “in the Ruby on Rails business” nowadays) sooner or later you’ll have to play around with different Ruby versions on the same machine as you might run into crashing ruby … Continue reading
A quick note on MySQL troubleshooting and MySQL replication
PLEASE NOTE: I am currently reviewing and extending this document. While caring for a remarkable amount of MySQL server instances, troubleshooting becomes a common task. It might of interest for you which Recovering a crashed MySQL server After a server … Continue reading
Having fun with OpenSSH on Ubuntu Intrepid Ibex – visual host keys
After having a quite uneventful upgrade to Ubuntu Intrepid Ibex (time for a change), I’s happy to notice, that Intrepid Ibex ships the new OpenSSH version 5.1 which has one little feature, I really fell in love with: visual host … Continue reading
My (unofficial) package of the day: 3ware-cli and 3dms for monitoring 3ware raid controllers
Having a real hardware raid controller is a nice thing: Especially in a server setup it helps you keeping data safe on multiple disks. Though, a common mistake is, having a raid controller and not monitoring it. Why? Let’s say, … Continue reading
my package of the day – htmldoc – for converting html to pdf on the fly
PDF creation got actually fairly easy. OpenOffice.org, the Cups printing system, KDE provide methods for easily printing nearly everything to a PDF file right away. A feature that even outperforms most Windows setups today. But there are still PDF related … Continue reading
my package of the day – mtr as a powerful and default alternative to traceroute
Know the situation? Something is wrong with the network or you are just curious and want to run a “traceroute”. At least under most Debian based systems your first session will probably look like this: $ traceroute www.ubuntu.com command not … Continue reading
my package of the day – gpg for symmetric encryption
Though asymmetric encryption is state of the art today, there are still cases when you probably are in need of a simple symmetric encryption. In my case, I need an easy scriptable interface for encrypting files for backup as transparent … Continue reading
my package of the day – sash – the Stand Alone SHell for system recovery
Let me introduce you today to a package that is quite unknown as you hopefully never need it. But when you need it and have not thought about it before, it is probably already too late. I am talking about … Continue reading
my package of the day: mpd – the Music Player Daemon
There are dozens of nice music players around, that’s for sure. You can choose between featur rich killer applications like Rhythmbox or Amarok, use old-school but up to date standards like XMMS or even a console classic like mp3blaster. Most … Continue reading
my package of the day: proggyfonts – tiny fonts for programmers and console users
(Well, it is not yet a package, but trust me: I’ll make sure it gets one.) As a programmer or console user you might know the pain of having not as much characters on you screen as you would like … Continue reading