To install KVM on an Ubuntu 14.04 LTS headless server, follow these steps: Install the required packages: sudo apt-get update sudo apt-get install qemu-kvm libvirt-bin ubuntu-vm-builder bridge-utils Add your user to the kvm group: sudo adduser <username> kvm Replace <username> with your actual username. Verify that KVM is installed and functioning properly: sudo virsh list … Read more

To change the hostname (computer name) on Ubuntu Linux, follow these steps: Temporarily change the hostname: You can temporarily change the hostname by using the following command: sudo hostname <new-hostname> Replace <new-hostname> with the desired hostname. This change will only persist until the next reboot. Permanently change the hostname: To change the hostname permanently, you … Read more

To install the Amazon AWS Command Line Interface (CLI) tool on macOS, follow these steps: Install Homebrew: /bin/bash -c “$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)” Install the AWS CLI: brew install awscli Verify the installation: To verify that the AWS CLI has been installed correctly, you can run the following command: aws –version This will display the version … Read more

To create an unprivileged LXC container on Ubuntu 14.04 LTS, follow these steps: Install the LXC package: sudo apt-get update sudo apt-get install lxc Create the container configuration file: sudo lxc-create -n <container-name> -t download — –dist ubuntu –release trusty –arch amd64 This will create a container based on Ubuntu 14.04 LTS (trusty) with the … Read more

The error “add-apt-repository: command not found” occurs because the add-apt-repository command is part of the software-properties-common package, which is not installed by default on some Ubuntu distributions. To resolve the error, you need to install the software-properties-common package by running the following command: sudo apt-get update sudo apt-get install software-properties-common After installing the package, the … Read more

To install PHP 7 on Ubuntu 14.04 LTS, follow these steps: Add the repository for PHP 7: sudo apt-get install software-properties-common sudo add-apt-repository ppa:ondrej/php Update the package list: sudo apt-get update Install PHP 7: sudo apt-get install php7.0 This will install the latest version of PHP 7 available in the repository. You can also install … Read more

The sysctl command is used to modify kernel parameters at runtime in Linux. To reload the variables defined in the sysctl.conf file, you need to run the following command: sudo sysctl -p This will reload the kernel parameters from the /etc/sysctl.conf file and apply any changes to the current running system. If the sysctl.conf file … Read more

To patch and protect against the Linux Glibc Getaddrinfo Stack-based Buffer Overflow vulnerability (CVE-2015-7547 and CVE-2015-5229), you need to upgrade the glibc package to the fixed version. Here are the steps to upgrade glibc on Ubuntu/Debian Linux: Update the package list: sudo apt-get update Upgrade glibc: sudo apt-get upgrade libc6 On Red Hat/CentOS Linux, you … Read more

You can run a command or script after apt-get by using the && operator. For example, if you want to install a package and then run a script, you can run the following command: sudo apt-get install <package-name> && <path-to-script> This will install the package, and if the installation is successful, it will run the … Read more

To install pydrive on Ubuntu/Debian Linux, follow these steps: Install the required packages: sudo apt-get install python3-pip Upgrade pip: pip3 install –upgrade pip Install pydrive: pip3 install pydrive Authenticate with Google Drive API: To authenticate with the Google Drive API, you need to create a project in the Google Developers Console and obtain the necessary … Read more