Tag: others
All the articles with the tag "others".
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.
Systemd and Certbot for Automated TLS Certificate Renewal (with DynamicUser for Privilege Separation)
Automate certificate issuance under an unprivileged account while reserving deployment for root, with temporary UPnP access, renewal hooks, and validation before service restarts.
Git Pull and Divergent Branches: Choosing Merge, Rebase, or Fast-Forward
Understand divergent Git histories and compare merge, rebase, and fast-forward pulls, including configuration defaults, one-time overrides, and tradeoffs for shared branches.