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This article was originally written for xmodulo , with major contribution from Dan . Thanks. System administrators (sysadmins) are responsible for day-to-day operations of production systems and services. One of the critical roles of  sysadmins  is to ensure that operational services are available round the clock. For that, they have to carefully plan backup policies, disaster management strategies, scheduled maintenance, security audits, etc. Like every other discipline, sysadmins have their tools of trade. Utilizing proper tools in the right case at the right time can help maintain the health of operating systems with minimal service interruptions and maximum uptime. This article will present some of the most popular and useful CLI tools recommended for sysadmins in their day to day activities. If you would like to recommend any useful tool which is not listed here, don't forget to share it in the comment section. Network Tools 1. ping:  Check end-to-end conn...

This is an article that I co-authored for xmodulo.com . System administrators (sysadmins) are responsible for day-to-day operations of production systems and services. One of the critical roles of sysadmins is to ensure that operational services are available round the clock. For that, they have to carefully plan backup policies, disaster management strategies, scheduled maintenance, security audits, etc. Like every other discipline, sysadmins have their tools of trade. Utilizing proper tools in the right case at the right time can help maintain the health of operating systems with minimal service interruptions and maximum uptime. This article will present some of the most popular and useful CLI tools recommended for sysadmins in their day to day activities. If you would like to recommend any useful tool which is not listed here, don't forget to share it in the comment section. Network Tools 1. ping:  Check end-to-end connectivity (RTT delay, jitter, packet loss) of a r...