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Oliver Karger
User for 5 months
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Temporary Failure in Name Resolution
This Error happens because after switching from NetworkManager to netplan, the DNS Configuration ...
Installation and initial Configuration
1. Install required Packages sudo apt update -yy sudo apt upgrade -yy sudo apt install dhcpd i...
Change Lockscreen Language
Issue Whenever the Windows Language Settings are changed, there is a Chance that the Lock Screen...
Backup Database
Find Database to Backup 1. List all Postgres Instances: pg_lsclusters root@SRV-PSQL-PRD-01:~# ...
Split Delivery with Google Workspace
What is "Split Delivery"? Split Delivery is a common technique used when two seperate Mailserver...