As sysadmin I am talking about Backups every day, as things can break very easy. But are backups always usable, up to date and compatible? I was testing some software as suddenly my KDE crashed and the profile assistant launched. My settings were lost. What now? My backup is on a pc 25 km away from here – […]
You’ve read enough about the road trip? Good news: this posting here isn’t about. Honestly, it was fun without a pc, but kind of strange. So back here I was checking for updates and as far as I can see, Chris Mason released a new version of his btrfs. So what’s new? The most important change for me […]
A lost password can be a pain in the ass. Even on linux – but there are ways around it as long as the system is not crypted or other weird stuff has been done there. Here’s a way getting into your system again without being a hacker. All you need is physical access to the computer.
Linux is simple as long as you get the idea in behind. I am using it since some years for now and I need a new challenge. So I decided to have a look at the hardened projects and maybe using SELinux. But where to begin? Security starts at kernel level. So it might be a good start […]
During the last days I had to install SUSE- and RedHat Linux on some machines and I had time to take a closer look at booth. The first thing on RedHat that caught my eye was SELinux as a cute way of limiting damage on a security breach. SUSE uses their own thing called AppArmor to make things […]
I think you already know the problem of fat systems. To prevent this, I did a cleaning session on my Gentoo installation here. This is not only about unmerging old and unused software. Think about your USE-Flags again. I give an example: LDAP support requires the OpenLDAP packages to be installed on the system. So if you never […]