🚀 𝗘𝘀𝘀𝗲𝗻𝘁𝗶𝗮𝗹 𝗖𝗼𝗺𝗺𝗮𝗻𝗱𝘀 𝗘𝘃𝗲𝗿𝘆 𝗡𝗢𝗖 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿 𝗦𝗵𝗼𝘂𝗹𝗱 𝗠𝗮𝘀𝘁𝗲𝗿! 🚀 As a NOC Engineer, being proficient with command-line tools is key to efficiently managing and troubleshooting networks and systems. Here are some of the most important commands that can help you excel in your role: 𝟏) 𝗣𝗶𝗻𝗴: 𝗽𝗶𝗻𝗴 <𝗜𝗣/𝗵𝗼𝘀𝘁𝗻𝗮𝗺𝗲> Check network connectivity and latency. 𝟐) 𝗧𝗿𝗮𝗰𝗲𝗿𝗼𝘂𝘁𝗲/𝗧𝗿𝗮𝗰𝗲𝗿𝘁: 𝘁𝗿𝗮𝗰𝗲𝗿𝗼𝘂𝘁𝗲 <𝗜𝗣/𝗵𝗼𝘀𝘁𝗻𝗮𝗺𝗲> (𝗟𝗶𝗻𝘂𝘅) / 𝘁𝗿𝗮𝗰𝗲𝗿𝘁 <𝗜𝗣/𝗵𝗼𝘀𝘁𝗻𝗮𝗺𝗲> (𝗪𝗶𝗻𝗱𝗼𝘄𝘀) Trace the route packets take to reach a destination. 𝟑) 𝗡𝗲𝘁𝘀𝘁𝗮𝘁: 𝗻𝗲𝘁𝘀𝘁𝗮𝘁 -𝗮𝗻 Display active network connections and listening ports. 𝟒) 𝗡𝗦𝗟𝗼𝗼𝗸𝘂𝗽: 𝗻𝘀𝗹𝗼𝗼𝗸𝘂𝗽 <𝗱𝗼𝗺𝗮𝗶𝗻> Query DNS to obtain domain name or IP address mapping. 𝟓) 𝗜𝗣𝗖𝗼𝗻𝗳𝗶𝗴/𝗜𝗳𝗰𝗼𝗻𝗳𝗶𝗴: 𝗶𝗽𝗰𝗼𝗻𝗳𝗶𝗴 (𝗪𝗶𝗻𝗱𝗼𝘄𝘀) / 𝗶𝗳𝗰𝗼𝗻𝗳𝗶𝗴 (𝗟𝗶𝗻𝘂𝘅) Display network configuration details of your machine. 𝟔) 𝗧𝗼𝗽/𝗛𝗧𝗼𝗽: 𝘁𝗼𝗽 / 𝗵𝘁𝗼𝗽 Monitor system processes and resource usage in real-time. 𝟕) 𝗗𝗙: 𝗱𝗳 -𝗵 Check disk space usage on filesystems. 𝟖) 𝗨𝗽𝘁𝗶𝗺𝗲: 𝘂𝗽𝘁𝗶𝗺𝗲 Show how long the system has been running and load averages. 𝟗) 𝗗𝗺𝗲𝘀𝗴: 𝗱𝗺𝗲𝘀𝗴 | 𝗴𝗿𝗲𝗽 <𝗸𝗲𝘆𝘄𝗼𝗿𝗱> Print kernel and boot messages for troubleshooting hardware or system issues. 𝟏𝟎) 𝗦𝗦𝗛: 𝘀𝘀𝗵 <𝘂𝘀𝗲𝗿>@<𝗵𝗼𝘀𝘁> Securely connect to a remote machine. 𝟏𝟏) 𝗚𝗿𝗲𝗽: 𝗴𝗿𝗲𝗽 <𝗽𝗮𝘁𝘁𝗲𝗿𝗻> <𝗳𝗶𝗹𝗲> Search for specific text patterns within files. 𝟏𝟐) 𝗖𝘂𝗿𝗹: 𝗰𝘂𝗿𝗹 -𝗜 <𝗨𝗥𝗟> Fetch HTTP headers to check website response and troubleshoot issues. 𝟏𝟑) 𝗦𝘆𝘀𝘁𝗲𝗺𝗰𝘁𝗹: 𝘀𝘆𝘀𝘁𝗲𝗺𝗰𝘁𝗹 𝘀𝘁𝗮𝘁𝘂𝘀 <𝘀𝗲𝗿𝘃𝗶𝗰𝗲> Manage and check the status of services on Linux systems. 𝟏𝟒) 𝗧𝗲𝗹𝗻𝗲𝘁: 𝘁𝗲𝗹𝗻𝗲𝘁 <𝗜𝗣> <𝗽𝗼𝗿𝘁> Test connectivity to a specific port on a remote server. 𝟏𝟓) 𝗪𝗵𝗼𝗶𝘀: 𝘄𝗵𝗼𝗶𝘀 <𝗱𝗼𝗺𝗮𝗶𝗻> Retrieve domain registration details and check domain availability. Mastering these commands will not only help you resolve issues faster but also enhance your efficiency as a NOC Engineer. Keep practicing and stay ahead! 💻🚀 #NOCEngineer #ITCommands #NetworkOperations #TechTips #SysAdmin #2024 #Linux #Ubuntu #L1Engineer #LinuxCommands #PratikMandge
Thanks for sharing
DevOps Engineer 🤖
3moPRATIK M. Thanks for sharing, Very useful 🙂