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無授權條款58 個星標收錄於 2026年10月9日更新於 2026年10月9日儲存庫7 個月前更新
Linux system administration and monitoring
提供 Linux 系統管理指令參考,用於檢視系統資訊、監控資源與管理服務。
Core commands and best practices for Linux system administration, including system information viewing, resource monitoring, service management, etc.
來源:chaterm/terminal-skills位於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