To access Python help in Vim, you can use the following steps: Start Vim and open a Python file or just enter normal mode by pressing the “Esc” key. Type :help pydoc to access the built-in help for Python in Vim. To view the help for a specific module or function, enter the command :!pydoc … Read more

To build a Perl module RPM file using cpanspec on RHEL/CentOS Linux, you can follow the steps below: Install cpanspec: # yum install cpanspec Download the Perl module from CPAN: # cpan <Module-Name> Convert the Perl module to an RPM package: # cpanspec <Module-Name> Build the RPM package: # rpmbuild –define “_sourcedir `pwd`” –define “_srcrpmdir … Read more

To reload the .vimrc file without restarting Vim on Linux/Unix, you can use the :source command. The syntax is as follows: bashCopy code :source ~/.vimrc This command will read the .vimrc file again and apply any changes you have made. The ~/ specifies the home directory of the current user. If your .vimrc file is … Read more

There are several ways to install Skype on Linux, including the following: Install using Snap: You can install Skype on Linux using the Snap package manager. To do this, follow these steps: sudo snap install skype –classic Install using Flathub: Flathub is another package manager for Linux, and it provides a Skype package. To install … Read more

To install wget on RHEL 8 using yum/dnf command, follow these steps: Open a terminal or SSH into your RHEL 8 system Update the package lists: dnf update Install wget using dnf command: dnf install wget This will install wget on your RHEL 8 system using dnf command. Once the installation is complete, you can … Read more

To change the hostname on a SUSE Linux system without using yast, you can use the following terminal commands: Open a terminal or SSH into your SUSE Linux system Backup the current /etc/HOSTNAME file: cp /etc/HOSTNAME /etc/HOSTNAME.bak Open the /etc/HOSTNAME file in a text editor: nano /etc/HOSTNAME Change the current hostname to the desired hostname: … Read more

You can print the filename using the FILENAME variable in awk. Here’s an example: awk ‘{ print FILENAME “: ” $0 }’ file1 file2 This command will print the content of file1 and file2, each line prefixed by the filename. You can also use the ARGV array to iterate over all the files passed as … Read more

To install Nginx on SUSE Linux Enterprise server 12, follow these steps: Add the Nginx repository to the system: sudo zypper addrepo http://nginx.org/packages/sles/12/x86_64/ nginx Refresh the package list: sudo zypper refresh Install Nginx: sudo zypper install nginx Start the Nginx service: sudo systemctl start nginx Enable Nginx to start automatically at boot time: sudo systemctl … Read more

To set up and configure a network bridge on Debian Linux, follow these steps: Install the required packages: sudo apt-get update sudo apt-get install bridge-utils -y Create a backup of your network interfaces configuration file: sudo cp /etc/network/interfaces /etc/network/interfaces.bak Edit the network interfaces configuration file: sudo nano /etc/network/interfaces Define the network bridge, replace eth0 with … Read more

To install KVM server on a Debian 9/10 headless server, follow these steps: Install the required packages: sudo apt-get update sudo apt-get install qemu-kvm libvirt-daemon-system libvirt-clients bridge-utils virtinst -y Add your user account to the libvirtd group: sudo adduser $USER libvirtd Verify that the KVM module is loaded: lsmod | grep kvm Start the libvirtd … Read more