Process Management

Table of Contents

Process Management

Process Management Commands

Develop a strong understanding of process management commands, including ps for displaying information about running processes, kill for terminating processes, and pkill for sending signals to multiple processes.

Monitoring System Performance

Gain proficiency in monitoring system performance using tools like top for real-time system monitoring, htop for an enhanced and interactive version of top, and vmstat for virtual memory statistics. These tools provide insights into CPU usage, memory consumption, and more.

Resource Utilization Analysis

Analyze resource utilization using tools such as sar (System Activity Reporter) to collect, report, and save system activity information. Understanding resource consumption is important for identifying performance bottlenecks.

Troubleshooting Tools

Learn troubleshooting tools like strace for tracing system calls, lsof for listing open files and processes, and journalctl for querying and displaying messages from the journal. These tools help in identifying and resolving system issues.

System Log Analysis

Understand system logs and log files in /var/log to diagnose and troubleshoot issues. Familiarity with logs such as syslog, auth.log, and messages helps track system events and errors.

Performance Tuning

Get skills in performance tuning by adjusting system parameters. Learn to modify kernel parameters using sysctl and optimize specific subsystems to enhance overall system performance.

Network Troubleshooting

Practice network troubleshooting using tools like netstat for network statistics, tcpdump for packet analysis, and traceroute for identifying network path issues. These tools help in diagnosing and resolving network-related problems.

Disk Space Analyze

Use commands such as df for displaying disk space usage and du for analyzing directory-level disk usage. Understanding disk space allocation is important for preventing and addressing storage-related issues.

Process Prioritization

Learn to prioritize and manage process execution using tools like nice to adjust process priority levels and renice to change the priority of running processes. This allows for efficient resource allocation.

System Health Checks

Conduct regular system health checks using tools like chkconfig to manage services, cron for scheduled tasks, and systemctl for controlling the system and service manager. These checks ensure a stable and well-maintained system.

Security Auditing

Incorporate security auditing practices by using tools like audited to monitor system events and aide in file integrity checking. These measures contribute to the detection and prevention of security threats.
By understanding how to manage processes, monitor system performance, and troubleshoot issues, you can maintain the stability and reliability of your Linux systems, ensuring optimal performance and efficient resolution of potential challenges.

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