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Table of Contents
Useful Commands for Windows Subsystem for Linux
wsl -l -v - check current WSL version in use
wsl –set-default-version 1 - set default WSL version. Currently 1 or 2.
Upgrade/Install PHP 7.4 in CentOS 8
The good news is this whole process is relatively painless, so here we go.
As always, all the commands assume you have root permissions.
Install the EPEL and remi repositories.
dnf install https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm dnf install https://rpms.remirepo.net/enterprise/remi-release-8.rpm
List the PHP versions you have available
dnf module list php
This should list versions of PHP both in the main repositorys as well as the remi repository. We want to enable remi-7.4.
Reset the php module (if you already have an existing PHP version installed)
dnf module reset php
Install PHP 7.4
dnf module enable php:remi-7.4
Update using dnf
dnf update
PHP 7.4 should now be installed.
Verify PHP version
php -v
Set up unattended-upgrades on Ubuntu 20.04
Package upgrades can be set up to install updates on Ubuntu without user intervention.
Quick time server set up on HP/Aruba switches
This is a quick configuration of setting a time server on Aruba/HP switches.
Fix software updates in Cockpit in Ubuntu 20.04
Software updates on the Ubuntu system will fail because Cockpit on Ubuntu doesn't detect a network connection. To fix this, you must use NetworkManager instead of the default networkd.
You need to be root or sudo root for all these commands. Edit your netplan file in /etc/netplan and add the following two lines under network:.
version: 2 renderer: NetworkManager
Remember that spaces matter in YAML files.
You will then need install network-manager.
apt install network-manager
Disable networkd.
systemctl disable systemd-networkd
Enable NetworkManager
systemctl enable network-manager
Apply your new settings
netplan apply
Profit!