To set up and use LXD on a CentOS Linux 7.x server, follow these steps: Install the LXD package by running the command: sudo yum install lxd Initialize the LXD configuration by running the command: sudo lxd init This will prompt you to configure various settings such as storage backend, network address, and user access. … Read more
Here are the general steps to configure a FreeBSD 11 jail with vnet and ZFS: Create a ZFS dataset for the jail: zfs create -o mountpoint=/jails/myjail tank/jails/myjail Install the jail management tool: pkg install ezjail Enable the ezjail service: sysrc ezjail_enable=”YES” Create the jail with vnet and ZFS support: ezjail-admin create -c vnet -m zfs … Read more
To reboot a Debian/Ubuntu Linux machine using Ansible and wait for it to come back online, you can use the “wait_for” module in combination with the “reboot” command. Here is an example playbook that demonstrates how to do this: – name: reboot and wait for Debian/Ubuntu Linux machine hosts: all tasks: – name: reboot the … Read more
To add an encrypted ZFS pool on a FreeBSD server, you will need to have the geli (GEom ELI) kernel module loaded and the geli utility installed. Here are the general steps to add an encrypted ZFS pool: Load the geli kernel module: kldload geom_eli Create a new GPT partition on the desired disk. This … Read more
Installing and configuring an OpenVPN client on OpenBSD involves several steps: Install the OpenVPN package by running the command pkg_add openvpn Create a directory to store the client configuration files, such as /etc/openvpn Obtain the client configuration files from your OpenVPN server, including the client certificate and key files. These should be placed in the … Read more
To add a cron job on an Asuswrt Merlin wifi router, you will first need to log in to the router’s web interface. Once logged in, navigate to the “Advanced Settings” page and then select “Cron.” From here, you can add a new cron job by entering the command you want to run, the schedule … Read more
To restart a Linux server using Putty SSH client on Windows, follow these steps: Open Putty and connect to your Linux server using the appropriate IP address, username and password. Once connected, enter the command “sudo reboot” and press Enter. This will initiate the reboot process. You will be prompted to enter your password again … Read more
To install Ansible on Ubuntu 18.04, you can follow these steps: Update the package index: sudo apt-get update Install the software-properties-common package to allow you to use the add-apt-repository command: sudo apt-get install software-properties-common Add the Ansible PPA (personal package archive) to your system: sudo add-apt-repository ppa:ansible/ansible Update the package index again: sudo apt-get update … Read more
To open port 53 for DNS on Ubuntu/Debian Linux using ufw, you can use the following command: sudo ufw allow 53/tcp sudo ufw allow 53/udp This will allow incoming and outgoing traffic on both TCP and UDP port 53, which is the standard port used for DNS. To check the status of your firewall rules, … Read more
You can use the virsh command to list virtual machines (VMs) managed by the libvirt virtualization library on a Linux system. The virsh list command is used to list the VMs that are currently running on the system. To list all KVM guests that are currently running, you can use the following command: virsh list … Read more