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Nagios, NRPE: check_procs returning wrong number

If you use Nagios for checking if a certain process running under Linux, you might have recognized that check_procs does not always work correctly. If you have a long process name to check (e.g. /usr/bin/php meow.php asdf), it shows you 0 running processes, even if it...

Windows Update KB2661254 and certificate / CA problem

When you install the Microsoft KB2661254 update, it can cause problems if you use e.g. an internal certificate authority in your local network. This update marks all certificates with public keys with length below 1024 as invalid. So you have 2 options: – Remove...

Ubuntu: resolv.conf overwritten by old settings

If this happens to you, probably the network manager overwrites your resolv.conf with settings from /etc/network/interfaces. Solution: Change the lines “dns-nameservers x.x.x.x y.y.y.y” and “dns-search xxx.local” in /etc/network/interfaces to...