Archive | January, 2014

GDFL 1.2

Do not Panic! Remote Server (Hetzner) not rebooting any more – A Solution

I went through this experience recently. First of all, don’t panic! I panicked, and because of this, I made a mistake: I didn’t wait long enough for it to come online. Had I waited up to 60 minutes, it would probably have come online (see reason below). The story: I had broken packages on my Ubuntu […]

Continue Reading 20

Why you should regularly make backups

The answer is: Because if you don’t, then this mistake will bite you, sooner or later. Why? Because of Murphy’s Law: Anything that can go wrong, will go wrong. And because a variation of it, Finagle’s law: Anything that can go wrong, will—at the worst possible moment. The worst case scenario is that all your (and […]

Continue Reading 0
Mysql screenshot

A solution for MySQL Assertion failure FIL_NULL

A defective RAM module recently caused data corruption in MySQL tables. MySQL would log the following to /var/log/syslog  in regular intervals, about every few minutes:

Reading MySQL documentation and various blogs didn’t help much. I ran CHECK TABLES  on all the tables and they all reported OK. Then I ran

and still all tables reported OK. […]

Continue Reading 1
Crash

Adventures with various Segfaults due to defective RAM

If you get various segfaults on your Linux server, like these:

or:

or

or

etc. etc., then, no, your system is not suddenly crazy. Nor are you. It is highly likely that you RAM is defective. You should reboot your server and run the  RAM test from your boot manager (Grub […]

Continue Reading 1

Powered by WordPress. Designed by Woo Themes