To play a video CD (VCD) on Linux, you can use any media player that supports the Video CD format, such as VLC or MPlayer. Here are the steps to play a VCD on Linux using VLC: Insert the VCD into your computer’s CD/DVD drive. Open VLC media player. If VLC is not installed on … Read more
To configure the Xorg X11 window system on a Linux system, you can use the following steps: Check which video driver is currently in use by running the following command: lspci -k | grep -A 2 -E “(VGA|3D)” This will display the video card and driver that is currently in use. Edit the Xorg configuration … Read more
To force the SSH client to use a specific private key (identity file), you can use the -i option when connecting to the remote server. Here’s the syntax to use: ssh -i /path/to/private/key user@hostname Replace /path/to/private/key with the path to your private key, user with the username on the remote server, and hostname with the … Read more
To open or extract a .rar file on a Mac running OS X, you can use the following steps: Install a third-party extraction tool that supports RAR files. Two popular options are The Unarchiver and StuffIt Expander. Both of these tools can be downloaded for free from the Mac App Store. Once you have installed … Read more
To update a CentOS 5.4 system to CentOS 5.5, you can use the following steps: Make sure your system is up-to-date with the latest packages by running the following command as root: yum update Once the update process is complete, reboot your system to ensure that any updates that require a reboot are applied. reboot … Read more
To see the contents of a .deb Debian/Ubuntu package file, you can use the dpkg-deb command. Here’s how: Open a terminal on your Debian or Ubuntu system. Change to the directory containing the .deb package file. For example, if the package file is in the Downloads directory, run the following command: cd ~/Downloads Use the … Read more
To reload or re-read the partition table in Ubuntu Linux, you can use the following command: sudo partprobe This command will instruct the Linux kernel to re-read the partition table for all storage devices connected to the system. If you have just created a new partition on a disk, or resized an existing partition, running … Read more
To find out if your Linux system’s CPU supports Intel VT/AMD-V virtualization for KVM, you can use the following commands: Check if your CPU supports virtualization: egrep -c ‘(vmx|svm)’ /proc/cpuinfo If the output is greater than zero, it means that your CPU supports virtualization. Check if the virtualization extensions are enabled in the BIOS: Reboot … Read more
To create a Software RAID 1 array in CentOS or Redhat, you can follow the steps below: Identify the disks that you want to use for the RAID array. In this example, we will assume that the disks are named /dev/sda and /dev/sdb. Partition the disks using the fdisk utility. For each disk, create a … Read more
To write-protect a file on macOS (formerly OS X) from the command line, you can use the chflags command with the uchg flag. Here’s an example command to write-protect a file named “example.txt” in the current directory: sudo chflags uchg example.txt The sudo command is used to run the chflags command with administrative privileges, which … Read more