Articles tagged with linux

1. Warning: DocumentRoot does not exist

   Posted on March 24, 2010 in System Administration

   If you're using Red Hat Enterprise Linux (RHEL) or one of it's variants (CentOS, etc.), you may have noticed that using a non-standard document root for your Apache-based web site results in a DocumentRoot does not exist warning if the directory exists. The most likely cause of this problem is …

2. Linux TCP Performance Tuning

   Posted on May 04, 2007 in system_administration

   If you have been following our TCP Performance Tuning series, you'll know that we want to enable RFC 1323 Window Scaling and increase the TCP window size 1 MB. To do this, we'll add the following lines to /etc/sysctl.conf and issue sudo sysctl -p to apply the changes …