Tag: others
All the articles with the tag "others".
How to Uninstall Microsoft 365 Office
Sign out an old PC through the Microsoft 365 organizational account portal before uninstalling Office, with online deactivation also available for inaccessible devices.
Block Outbound Traffic for a Specific Linux User with iptables (While Keeping Listening Ports Working)
Use owner and connection-state rules for IPv4 and IPv6 to restrict a user's new outbound connections while permitting loopback traffic and replies from listening services.
Safely Backing Up and Restoring iptables and ip6tables Rules on Linux
Save IPv4 and IPv6 firewall rules before experiments, restore the original configuration, and account for firewall managers and automatic rollback when working remotely.
Automating TLS Certificate Renewal with systemd and `acme.sh`
Schedule ACME webroot validation with systemd, temporarily forward port 80 through UPnP, and deploy renewed certificates to Nginx and StrongSwan.