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Start / Stop /Restart BIND DNS Server
Introduction For testing purposes I am using Univention with bind9. The greater goal is to use A...
Network browsing not working
Sometimes network browsing or the mapping of a SMB share with a file manager in Linux is not work...
Installation of Thunderbird
Introduction Prerequisites Download the newest Version of Thunderbird directly from their Webpa...
Manual installation of WinBox
WinBox Winbox is a very useful application from mikrotik for the purpose to manage their devices...
Add M365 account to Apple Mail
Introduction Microsoft 365, Azure or Exchange Server uses a proprietary protocol for E-Mail, Cal...
Add Microsoft Outlook Account/Teams to Thunderbird
Introduction Microsoft 365, Azure or Exchange Server uses a proprietary protocol for E-Mail, Cal...
Add E-Mail account to MS Outlook
Introduction Microsoft 365, Azure or Exchange Server uses a proprietary protocol for E-Mail, Cal...
Webflow User Guide
1. Logging In and Dashboard visit webflow.com/login Enter username and password. Enter yo...
Add custom certificates to Apache
Introduction In numerous cases you want to enable https on a webserver like Apache. So I decid...
Add metager as search engine to your browser
Introduction MetaGer is a meta-search engine focused on protecting users' privacy. Based in Germ...
Hardening of Linux
Introduction Despite the fact that Linux is Open Source and Linux it comes as a surprise that in...
Check for open ports
https://phoenixnap.com/kb/linux-check-open-ports lsof -nP -iTCP -sTCP:LISTEN netstat -tunpl...
Map a shared drive on MacOS
Introduction Mapping of network drive seems to be a big issue. Hopefully this manual brings a li...
Mount SAMBA shares
Introduction There a several ways of mounting SAMBA shares on a Linux machine. This manual gives...
PVE - VM does not stop
Introduction Sometimes a virtual machine cannot be stopped from the GUI. Resolution qm stop <n...
PVE - No quorum error
Introduction A typical error on a PVE cluster is No Quorum error It can happen, when other mac...
MacOS - Flush DNS Cache
Introduction For some reasons Apple nurses a bug in the DNS resolver. This leads to the problem,...
MacOS - Privacy hint / OCSP patch
Introduction The Online Certificate Status Protocol (OCSP) is an Internet protocol used for obta...
How to Disable SIP
Introduction System Integrity Protection (SIP) SIP protects MacOS from cyber attacks. However, ...
Boot into recovery mode
Intel based Reboot and press: Command-R: Start up from the built-in macOS Recovery System. Us...