How to detect IP address conflicts in Linux

IP addresses are a scarce resource that is shared by different users and devices. Having an IP address conflict means that there are more than one network device or computer that claims the same IP address. IP address conflict may occur when a DHCP server has assigned an IP address to one computer, and the same IP address happens to be statically assigned to another network device by someone. Read more »

How to set a default route persistently in Linux

If you have more than one network interface, you have to designate one network interface as the default route. In order to set a default route persistently in Linux, you can do the following. I assume that there are two interfaces: eth0 & eth1, and that you wish to use eth0 as the default route.Read more »

How to enable IP forwarding in Linux

To check whether IP forwarding is enabled or not:Read more »

How to mount CD-ROM drive in Linux

In order to use CD-ROM/DVD drive in Linux, you first need to mount it. I will describe below how to mount CD-ROM/DVD drive in Linux.Read more »

How to extract files from ISO CD images

You can simply mount an ISO image via the loop device. Read more »

How to load a kernel module at boot time

Loadable kernel modules are a convenient way to modify the running kernel without rebuilding the kernel from scratch. One can also free up memory resources by unloading any unnecessary kernel module. A kernel module can be loaded or unloaded on the fly by the modprobe command. When loading a kernel module with modprobe, the command will also load any prerequisite module(s) automatically. Read more »

How to migrate SVN repository

Subversion (SVN) is a version control system, maintaining versions for files and directories. SVN uses FSFS (Fast Secure File System) as the backend storage to store revision histories. Read more »