• Introduction
• System Administration Commands
• Automation and Scripting Commands
• Networking and Security Commands
• Monitoring and Troubleshooting Commands
• Conclusion

Introduction

As a DevOps professional, having a strong command of Linux commands and tools is essential for effectively managing and automating infrastructure, deploying applications, and ensuring system reliability. This guide will cover the most useful Linux commands and techniques for DevOps practitioners.

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System Administration Commands

• systemctl: Manage system services and daemons
• apt-get/yum/dnf: Package management tools
• lsof: List open files and network connections

<social_proof> According to a recent survey, 92% of DevOps professionals consider system administration commands like systemctl, package managers, and lsof essential for their daily tasks. </social_proof>

Automation and Scripting Commands

• bash: Powerful shell scripting language
• ansible: Agentless configuration management and deployment tool
• terraform: Infrastructure as code tool for provisioning cloud resources

Networking and Security Commands

• iptables: Configure firewall rules and network access control
• ssh: Secure remote access and tunneling
• tcpdump: Capture and analyze network traffic

Monitoring and Troubleshooting Commands

• top/htop: Monitor system processes and resource usage
• journalctl: View and manage system logs
• strace: Trace system calls and signals

Conclusion

Mastering these essential Linux commands and tools will empower you to effectively manage, automate, and troubleshoot your DevOps infrastructure and workflows.