Encrypt Pi-hole Upstream DNS on Ubuntu Server 24.04
Set up dnscrypt-proxy as Pi-hole’s local DoH bridge on Ubuntu 24.04, with a localhost-only listener, resolver selection, and checks before switching DNS.
The Clipboard tool on iPhone will store images or data so that we can paste them into other applications quickly. However, when you save too much information, especially personal information, other applications that have the right to paste content from other applications will access the clipboard to view that information. This can affect your privacy. If so, users can delete the clipboard on iPhone by following the link below.
How to clear clipboard on iPhone
Step 1:
Users will install the Clear Clipboard shortcut for iPhone using the link below.
Step 2:
At this interface, the user clicks on Get shortcut to proceed. Next, the user clicks on Add shortcut to install the shortcut into the application.

Step 3:
After installing the shortcut, you just need to click on the shortcut to run. When a pop-up appears, click Allow to proceed to delete the clipboard on iPhone.
Step 4:
To add the Clear Clipboard shortcut to the home screen , we click on the 3-dot icon at the shortcut. Then the user clicks on the share icon below.
Display options, you click Add to main screen to perform. Now you just need to click Add . So when you need to delete clipboard, just press the shortcut key on the main screen.
How to block clipboard access for apps on iPhone
You can adjust the clipboard access permissions of apps on your iPhone for those you don't want.
Step 1:
You click on the settings icon and then select the application that you want to block access to the clipboard. Next, we click on Paste from other applications .
Step 2:
Now click Deny to block the application from accessing the clipboard.
Set up dnscrypt-proxy as Pi-hole’s local DoH bridge on Ubuntu 24.04, with a localhost-only listener, resolver selection, and checks before switching DNS.
Check Ubuntu’s touchpad settings, confirm Wayland, and test GNOME’s built-in swipes before troubleshooting apps or hardware.
Create and verify a two-disk Debian 12 RAID 1 data array, format it safely, and configure it to assemble and mount after reboot.
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.








