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Knowledge base


  • How to find out whois server of a domain zone
  • Installing the latest Java and Tomcat 10 on Debian 12
  • Encrypting files using OpenSSL in the Linux console
  • Encrypting files in the Linux console
  • Setting up a network with multiple IPs in Linux Debian 11
  • Working with files and folders in Linux
  • Console file manager mc
  • Task scheduler, scheduled script execution
  • Linux Server Monitoring
  • Working with Processes in Linux
  • Executing a php script in the console for different php versions
  • View and search for events in log files
  • Setting permissions for files and folders in Linux
  • Finding files on the Linux command line
  • Installing multiple versions of php (7.3, 7.4, 8.1, 8.2) on Debian 12
  • Setting up two factor authentication in ssh for root on Debian 12
  • Sending a notification upon successful ssh login on Debian 12
  • Disabling apt update notification in Debian 12
  • Installing Kaspersky AntiSpam Mail Server Linux on Debian 12
  • Redirecting from https to http for Apache2