Encrypt Debian 12 Swap with a Fresh Key at Every Boot
Set up random-key encryption for an existing Debian 12 swap partition, verify the active dm-crypt mapping, and understand the hibernation trade-off.
Having your Windows 11 screen orientation suddenly flipped upside down or sideways can disrupt your workflow, especially if you’re using multi-monitor switching. To fix this, Windows 11 has a few ways to rotate your screen back to normal or to your preferred orientation. Here’s how to rotate your Windows 11 screen.
Rotate Windows 11 screen using Display Settings
Step 1:
Type Display settings in the search bar and click on the search result.

Step 2:
In the new interface displayed on the computer, users drag down below the Scale & layout section to adjust. At Display orientation we will adjust the rotation of the Windows 11 screen as desired.
Rotate Windows 11 screen with shortcut keys
To rotate the screen instantly, use the following shortcuts:
These shortcuts will change the screen orientation instantly.
How to enable automatic Windows 11 screen rotation
Press Windows + A to open Action Center , then click the rotation lock icon to rotate the computer screen.
Or you press Windows + I key combination to open Settings. Click on System then select Display on the right side.
Look next to Scale and layout , scroll down and turn on Rotation lock .
Set up random-key encryption for an existing Debian 12 swap partition, verify the active dm-crypt mapping, and understand the hibernation trade-off.
Restrict Ubuntu 24.04 SSH accounts to designated SFTP folders with chroot, proper permissions, Match rules, and safe tests—without granting shell access.
Find which process owns Ubuntu’s dpkg frontend lock, let package work finish, and repair interrupted installations without deleting lock files.
Set up scheduled Btrfs system snapshots on Ubuntu Desktop with Timeshift, verify the Ubuntu subvolume layout, choose retention, and understand what snapshots cannot protect.
Plan a safer Debian 12 to Testing migration: upgrade through Stable, back up, clean APT sources, simulate dependency changes, and verify what changed.
Diagnose Ubuntu Server emergency mode safely. Read boot logs, check root and fstab mounts, repair a failed unit, handle filesystem errors, and verify a clean reboot.
Set up a Debian 12 WireGuard VPN server for one remote client. Configure keys, IPv4 forwarding, nftables NAT, firewall access, and connection checks.
Harden a Debian 12 workstation with a careful CIS Benchmark workflow: select the right profile, patch safely, review services and access, configure nftables, and document evidence.
Diagnose MySQL OOM kills on Debian 12, check VPS memory limits, configure swap, and tune database memory and concurrency without promising a universal fix.
Learn how to create and test a Debian-derived OSTree desktop in a VM, including system-tree preparation, boot integration, deployment checks, and rollback.