Home

• Bookmarks
• Notes
  • Database
    • Oracle
      • Install Oracle Instant Client
      • View and kill sessions in Oracle
    • PostgreSQL
      • Differences in column types between database schemas in PostgreSQL
      • Disk space used by tables and indexes in PostgreSQL
      • Queries being executed at the moment in PostgreSQL
  • Lang
    • Java
      • Encryption algorithms in Java 8
      • Import SSL certificate into JDK
  • Linux
    • "awk" command examples
    • "grep" command examples
    • "ls" command and ISO date format
    • "sed" command examples
    • "tar" command examples
    • Useful commands
    • Virtualization technology currently used on Linux server
    • "zip" command examples
  • Network
    • Authenticate using SSH keys
    • Keep SSH connection alive
    • Telnet commands to send email
    • Quick VPN setup on Linux with additional proxy rules for particular sites
  • Script
    • Bulk video conversion using PowerShell script
    • Send email using Python script
  • VCS
    • Git
  • Web
    • Markdown cheatsheet
    • Wordpress
      • WordPress Markdown with Jetpack plugin
  • Windows
    • 8dot3 Windows path format
• Tools
  • Greenshot - screenshot tool for Windows
  • PlantUML with Graphviz
  • RC 1.0 - Reliable Connect tool (SSH tunneling)
  • rdiff-backup - synchronize or backup files between Linux and Windows