A simple tip for keeping up with the time in Xen when your domU isn’t syncing the clock frequently enough and your clock is whatever. Of course you can sync your clock with ntpdate but first you need to set the domain (domU) to run its wallclock independently from Xen.
Simply say in the command line of domU:
echo 1 > /proc/sys/xen/independent_wallclock
Or if you have noclobber on:
echo 1 >!… Continue reading
Samba is a nice service to provide storage space through networks and it is relatively easy to set up. It’s not as fast as using NFS between Linux hosts but sometimes you don’t have that possibility. Sometimes there also might be quite confusing problems like I happened to notice.
My Samba service had worked fine for a long time but after a kernel update and a reboot, the performance was horrible.… Continue reading
While testing the upcoming WordPress 2.3 I noticed that I had a problem with he localization. Defining the language with WPLANG had no effects and all the text were in English as they should have been in Finnish. I installed another instance of WordPress 2.2.3 and the problem was still there.… Continue reading
After updating to expat-2.0.1, it tells you to run revdep-rebuild -X --library=libexpat.so.0 but even after that apache2 couldn’t be started. It says that /usr/sbin/apache2 can’t find shared library libexpat.so.0. After some googling I found a message in Google Groups which deals with the problem.
The problem is that /usr/lib/libaprutil-0.so.0.9.12 which belongs to apr-util is still broken.… Continue reading
This article might be a bit outdated on some parts but just Google if problems arise.
Statistics and graphs are nice way to follow what the machine is doing. Just a little bit of configuration and scripts you can use f. ex. servers’, routers’ and firewalls’ operational statistical data from their Object Identifiers (OID) with the help of Simple Network Management Protocol (SNMP) and Management Information Base (MIB) which define the available OID functions.… Continue reading