There are several potential causes of slow performance issues when running OpenBSD or FreeBSD as a KVM guest on Linux. Some common causes include: Lack of hardware virtualization support: Make sure that the host system has hardware virtualization support (e.g., Intel VT-x or AMD-V) and that it is enabled in the BIOS. Inadequate CPU or … Read more

To ping using a specific gateway interface or source IP address, you can use the “-I” or “-S” option with the “ping” command. The “-I” option specifies the network interface to use for the ping request, while the “-S” option specifies the source IP address to use. For example, the following command pings google.com using … Read more

To install and enable Bash auto completion in Fedora Linux, you can use the following steps: Install the bash-completion package by running the command: sudo dnf install bash-completion To enable bash-completion for all users, add the following line to the /etc/bashrc file: if [ -f /usr/share/bash-completion/bash_completion ]; then . /usr/share/bash-completion/bash_completion fi To enable bash-completion for … Read more

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