Category Archives: Software
Quick tip: Never forget sysprep…
I ran into a problem where duplicate SIDs existed and caused a lot of problems, because i have cloned a base installation of Windows 2008 R2 server. Not a good idea if the Domain Controller and an Exchange 2010 server have duplicate SIDs. So, quick tip: Never, never, never forget to run Sysprep on a cloned machine: NOTE: Don’t forget … Continue reading
Log mails sent by PHP mail() function
PHP 5.3 introduced a new feature many administrators have waited for. Now it’s possible to log mails sent by the mail() function of PHP. Until 5.3 it was not that easy to find an insecure form/script which sends out spam messages. But now, finally, after around two years after the patch was submitted, you can add this to your php.ini: The first … Continue reading
Find out the website causing high load on a Apache webserver
If you’re running an Apache webserver with many customer websites, there will be a time (sooner or later) where your server is flooded with a lot of page requests, causing a high CPU-load and memory usage. Specially if PHP or other scripting is used behind. Most of the time this is caused by a harmful script somewhere in the net. … Continue reading