{"id":190,"date":"2011-09-19T14:55:00","date_gmt":"2011-09-19T14:55:00","guid":{"rendered":"http:\/\/pheonixsolutions.com\/?p=190"},"modified":"2026-04-28T16:23:55","modified_gmt":"2026-04-28T10:53:55","slug":"linux-commands","status":"publish","type":"post","link":"https:\/\/pheonixsolutions.com\/blog\/linux-commands\/","title":{"rendered":"Basic Linux Commands for Server Management"},"content":{"rendered":"\n

Introduction<\/strong><\/h2>\n\n\n\n

Linux command-line tools are essential for server administration and daily operations. Understanding basic commands helps in managing files, monitoring system usage, and troubleshooting issues efficiently.<\/p>\n\n\n\n

Prerequisites<\/strong><\/h2>\n\n\n\n

Before using these commands, ensure:<\/p>\n\n\n\n

    \n
  • Access to a Linux server via SSH<\/li>\n\n\n\n
  • Basic familiarity with terminal usage<\/li>\n\n\n\n
  • Required permissions for executing commands<\/li>\n<\/ul>\n\n\n\n

    Common Linux Commands<\/strong><\/h2>\n\n\n\n

    1. Disk Usage<\/strong><\/h3>\n\n\n\n
    du -sch *<\/pre>\n\n\n\n
      \n
    • Displays total disk usage of files and directories in the current location<\/li>\n<\/ul>\n\n\n\n
      df -h<\/pre>\n\n\n\n
        \n
      • Shows overall disk space usage of all mounted filesystems<\/li>\n<\/ul>\n\n\n\n
        2. File & Directory Management<\/strong><\/h3>\n\n\n\n
        ls -la<\/pre>\n\n\n\n
          \n
        • Lists all files (including hidden) with details<\/li>\n<\/ul>\n\n\n\n
          cd \/path\/to\/directory<\/pre>\n\n\n\n
            \n
          • Change directory<\/li>\n<\/ul>\n\n\n\n
            pwd<\/pre>\n\n\n\n
              \n
            • Show current directory path<\/li>\n<\/ul>\n\n\n\n
              mkdir dirname<\/pre>\n\n\n\n
                \n
              • Create a new directory<\/li>\n<\/ul>\n\n\n\n
                rm -rf dirname<\/pre>\n\n\n\n
                  \n
                • Remove directory or files (use with caution)<\/li>\n<\/ul>\n\n\n\n
                  3. File Viewing & Editing<\/strong><\/h3>\n\n\n\n
                  cat filename<\/pre>\n\n\n\n
                    \n
                  • Display file contents<\/li>\n<\/ul>\n\n\n\n
                    less filename<\/pre>\n\n\n\n
                      \n
                    • View file page by page<\/li>\n<\/ul>\n\n\n\n
                      nano filename<\/pre>\n\n\n\n
                        \n
                      • Edit file using nano editor<\/li>\n<\/ul>\n\n\n\n
                        vi filename<\/pre>\n\n\n\n
                          \n
                        • Edit file using vi editor<\/li>\n<\/ul>\n\n\n\n
                          4. File Permissions & Ownership<\/strong><\/h3>\n\n\n\n
                          chmod 755 filename<\/pre>\n\n\n\n
                            \n
                          • Change file permissions<\/li>\n<\/ul>\n\n\n\n
                            chown user:user filename<\/pre>\n\n\n\n
                              \n
                            • Change file ownership<\/li>\n<\/ul>\n\n\n\n
                              5. Process Management<\/strong><\/h3>\n\n\n\n
                              top<\/pre>\n\n\n\n
                                \n
                              • View running processes in real-time<\/li>\n<\/ul>\n\n\n\n
                                ps aux<\/pre>\n\n\n\n
                                  \n
                                • List all running processes<\/li>\n<\/ul>\n\n\n\n
                                  kill -9 PID<\/pre>\n\n\n\n
                                    \n
                                  • Terminate a process<\/li>\n<\/ul>\n\n\n\n
                                    6. Network Commands<\/strong><\/h3>\n\n\n\n
                                    ping google.com<\/pre>\n\n\n\n
                                      \n
                                    • Check network connectivity<\/li>\n<\/ul>\n\n\n\n
                                      ifconfig<\/pre>\n\n\n\n
                                        \n
                                      • Display network interfaces (or use ip a<\/code>)<\/li>\n<\/ul>\n\n\n\n
                                        netstat -tulpn<\/pre>\n\n\n\n
                                          \n
                                        • Show open ports and services<\/li>\n<\/ul>\n\n\n\n
                                          7. System Monitoring<\/strong><\/h3>\n\n\n\n
                                          uptime<\/pre>\n\n\n\n
                                            \n
                                          • Show system uptime<\/li>\n<\/ul>\n\n\n\n
                                            free -m<\/pre>\n\n\n\n
                                              \n
                                            • Display memory usage<\/li>\n<\/ul>\n\n\n\n
                                              who<\/pre>\n\n\n\n
                                                \n
                                              • Show logged-in users<\/li>\n<\/ul>\n\n\n\n
                                                8. Archive & Compression<\/strong><\/h3>\n\n\n\n
                                                tar -czvf file.tar.gz folder\/<\/pre>\n\n\n\n
                                                  \n
                                                • Compress files<\/li>\n<\/ul>\n\n\n\n
                                                  tar -xzvf file.tar.gz<\/pre>\n\n\n\n
                                                    \n
                                                  • Extract compressed files<\/li>\n<\/ul>\n\n\n\n
                                                    9. Search & Find<\/strong><\/h3>\n\n\n\n
                                                    find \/ -name filename<\/pre>\n\n\n\n
                                                      \n
                                                    • Search for files<\/li>\n<\/ul>\n\n\n\n
                                                      grep \"text\" filename<\/pre>\n\n\n\n
                                                        \n
                                                      • Search text inside files<\/li>\n<\/ul>\n\n\n\n
                                                        Notes<\/strong><\/h4>\n\n\n\n
                                                          \n
                                                        • Use --help<\/code> or man <command><\/code> to learn more about any command<\/li>\n\n\n\n
                                                        • Be cautious with commands like rm -rf<\/code> and kill -9<\/code><\/li>\n\n\n\n
                                                        • Some commands require root privileges<\/li>\n<\/ul>\n\n\n\n
                                                          Conclusion<\/strong><\/h2>\n\n\n\n
                                                          Basic Linux commands are the foundation of server management. Mastering these commands will improve efficiency, troubleshooting capabilities, and overall system control.<\/p>\n","protected":false},"excerpt":{"rendered":"
                                                          Introduction Linux command-line tools are essential for server administration and daily operations. Understanding basic commands helps in managing files, monitoring 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