How to truncate files in Linux without deleting it
11 April 2008
Sometimes you need just to truncate a log file without deleting it. There are reasons to do so: for example it is a log file, and a kind of daemon still writes logs in this file. So deleting this file means that daemon won't be able to find inode of old file, and he will stop to write logs.
Attacking hosts
29 March 2008
As system administrator of a server, where are hosted some dozens of pretty popular sites, I often see SSH brute force attacks or even SYN attacks. So, here is the list of some assertive hosts.
Tester brings bugs to reality
23 August 2007
It's not a programmer, who is father of bugs. It's all the tester, who is guilty.