Today I was trying to restore a backup of our MSSQL server when a user decided to drive me crazy by not disconnecting after telling anyone that we need to do that restore. So I fired up the management studio and had a look at the current processes by using the following query: select spid, status, loginame, hostname, […]
Using XFS means, that you have to deal with fragmentation of your files. Disregarding fragmentation, XFS is a wonderful filesystem which never caused any problems here. To check fragmentation, we use the xfs-debug tool in read-only mode: xfs_db -c frag -r /dev/sdX# At my server it would look like that: stargazer ~ # xfs_db -c frag -r /dev/sda7 […]
Today I was on the road again, carrying my laptop with me. I had the need to go online with my laptop. Having my Nokia N900 with me, this shouldn’t be a problem, right? So my first step was connecting the devices via Bluetooth. The Assistant kicked in and anything looked like it would work – but somehow […]
Today I was trying to free some space on my server and came across my kernel sources which were a space hog here – especially if they’re already compiled: denkbrett src # du -sh linux-184.108.40.206 718M linux-220.127.116.11 denkbrett src # cd linux-18.104.22.168 denkbrett linux-22.214.171.124 # make distclean denkbrett src # du -sh 437M . As you see, a […]
Sometimes it’s really fun to mess around on a Linux box – but it also can be a mess to get things back to a working state after breaking some configurations. As we are just talking about text files, things shouldn’t be too hard to do.
Screenshots are cool for technical support tasks as they are useful for analyzing error messages. I noticed that Apple users usually send quite many screenshots (as I get them quite often). After a while a friend told me how it works. To capture the whole screen, press: cmd + shift + 3 If you just need a small […]