Linux Command at Examples
I often use cron jobs to run tasks on Linux. Cron is suitable for running recurring tasks. For one-time-only tasks, at is a better choice. […]
Linux
yum Error – TypeError: unsubscriptable object
We use yum as the patching mechanism for our CentOS servers. It has worked smoothly for several years without incidents. I ran into a problem […]
VLC Player No Sound on Fedora 11 under VirtualBox
If you have experienced no sound problem for VLC player on Fedora 11 under VirtualBox, you can try the following steps. Click on Tools -> […]
procmail Not Available for sendmail Programs
We ran into a procmail problem with sendmail today. One user tried to set up procmail to send out vacation message. He crated a .forward […]
Fedora 11 and VirutalBox 2.2 Guest Additions
To install VirtualBox 2.2 Guest Additions on a Fedora 11 virtual machine, follow these steps. In the virtual machine’s menu, click on Devices -> Install […]
How to Install Fedora 11 KDE on VirtualBox 2.2
If you want to try Fedora 11 without buying a new machine or partitioning your hard drive, VirtualBox is a good choice. This guide assumes […]
How to Install Ubuntu 9.04 on VirtualBox 2.2
Ubuntu 9.04 is released today. If you want to try it without buying a new machine or partitioning your hard drive, VirtualBox is a good […]
Ubuntu 8.10 and Virtual Machines
Now that I have a fast Core i7 machine, I wanted to try running multiple virtual machines on it. My first choice was the free […]
Fake RAID and CentOS 5.2 Problem
I installed CentOS 5.2 on a Dell Precision Workstation T3400 last week. T3400 has the Intel’s chipset for configuring hard drives as RAID volumes. The […]
NIS Problems and Fedora 9
I helped a user to set up a machine for dual boot with Windows XP and Linux. Initially, I used CentOS 5 for Linux, but […]