Category Archives: linux

FTP file alerts

Most of our FTP clients send order data on a predetermined schedule. We might, for example, receive order files at 7:00 am, noon, and 3:00pm each day. If files come at a fixed time, we can write processes that are scheduled to run at a fixed time also, so that the entire process is automated.… Read More »

Upgrade from RHEL 4.8 to 5.3

I recently spent a weekend upgrading a Linux machine from RHEL 4.8 to RHEL 5.3. It was not a fun experience. First, we tried to do an in-place upgrade. RedHat allows this, but recommends against it. The box rebooted fine, but apache wouldn’t start up. During a call to RedHat support (wonderfully friendly group, btw),… Read More »