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Linux

  • Assigning Multiple IP Addresses to Single LAN Card
  • Disable IPv6 on Ubuntu 12.04
  • dsh – distributed shell
  • fdupes – find & replace duplicate files with hardlinks
  • GPG Keys Cheatsheet
  • Increase “Open Files Limit”
  • kill all php, nginx, mysql or any kind of processes
  • Passwordless Authentication for SSH
  • Screen
  • search replace in multiple files useing grep xargs sed
  • Setup sftp
  • sysctl.conf
  • Timezone Sync
  • Using Google Public DNS on Ubuntu Server
  • Using openssl to match private key, cerificate and CSR
  • Configure Postfix to Use Gmail SMTP on Ubuntu
  • Logrotate Example for Custom Logs
  • PHP 5.5, MySQL, Postfix, Nginx and WordPress on Ubuntu
  • Serverdensity
  • Upgrade Ubuntu 10.04 to 12.04
  • Using find and sed to replace strings in multiple files
  • Webmin

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