Linux System Administration
Overview
Core commands and best practices for Linux system administration, including system information viewing, resource monitoring, service management, etc.

作者 chaterm464c2954287ad0c0b9addb1ebfbb2150ddc0de24无许可证58 个星标收录于 2026年10月9日更新于 2026年10月9日仓库7个月前更新
Linux system administration and monitoring
提供 Linux 系统管理命令参考,用于查看系统信息、监控资源和管理服务。
Core commands and best practices for Linux system administration, including system information viewing, resource monitoring, service management, etc.
来源:chaterm/terminal-skills位于linux/system-admin提交464c295
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# System versioncat /etc/os-releaseuname -a
# Hostnamehostnamectl
# Uptime and loaduptime# CPU informationlscpucat /proc/cpuinfo
# Memory informationfree -hcat /proc/meminfo
# Disk informationlsblkdf -h# Comprehensive monitoringtophtop
# Memory monitoringvmstat 1
# IO monitoringiostat -x 1iotop
# Network monitoringiftopnethogs# System activity reportsar -u 1 10 # CPUsar -r 1 10 # Memorysar -d 1 10 # Disk# Service statussystemctl status service-namesystemctl is-active service-name
# Start/Stop servicessystemctl start/stop/restart service-name
# Boot startupsystemctl enable/disable service-name
# View all servicessystemctl list-units --type=service# Quick health check scriptecho "=== System Load ===" && uptimeecho "=== Memory Usage ===" && free -hecho "=== Disk Usage ===" && df -hecho "=== Failed Services ===" && systemctl --failed# 1. Check loaduptime
# 2. Find high CPU processesps aux --sort=-%cpu | head -10
# 3. Find high memory processesps aux --sort=-%mem | head -10