system-admin

Name: system-admin
Author: chaterm

478installs12forks

How to install system-admin?

chaterm/terminal-skills/system-admin

$npx -y skills add chaterm/terminal-skills --skill system-admin

Installs into the current project.

Summary

Linux system administration and monitoring

Files · 1

View on GitHub

SKILL.md

1	# Linux System Administration
2
3	## Overview
4	Core commands and best practices for Linux system administration, including system information viewing, resource monitoring, service management, etc.
5
6	## System Information
7
8	### Basic Information
9	```bash
10	# System version
11	cat /etc/os-release
12	uname -a
13
14	# Hostname
15	hostnamectl
16
17	# Uptime and load
18	uptime
19	```
20
21	### Hardware Information
22	```bash
23	# CPU information
24	lscpu
25	cat /proc/cpuinfo
26
27	# Memory information
28	free -h
29	cat /proc/meminfo
30
31	# Disk information
32	lsblk
33	df -h
34	```
35
36	## Resource Monitoring
37
38	### Real-time Monitoring
39	```bash
40	# Comprehensive monitoring
41	top
42	htop
43
44	# Memory monitoring
45	vmstat 1
46
47	# IO monitoring
48	iostat -x 1
49	iotop
50
51	# Network monitoring
52	iftop
53	nethogs
54	```
55
56	### Historical Data
57	```bash
58	# System activity report
59	sar -u 1 10 # CPU
60	sar -r 1 10 # Memory
61	sar -d 1 10 # Disk
62	```
63
64	## Service Management
65
66	### Systemd Services
67	```bash
68	# Service status
69	systemctl status service-name
70	systemctl is-active service-name
71
72	# Start/Stop services
73	systemctl start/stop/restart service-name
74
75	# Boot startup
76	systemctl enable/disable service-name
77
78	# View all services
79	systemctl list-units --type=service
80	```
81
82	## Common Scenarios
83
84	### Scenario 1: System Health Check
85	```bash
86	# Quick health check script
87	echo "=== System Load ===" && uptime
88	echo "=== Memory Usage ===" && free -h
89	echo "=== Disk Usage ===" && df -h
90	echo "=== Failed Services ===" && systemctl --failed
91	```
92
93	### Scenario 2: Troubleshoot High Load
94	```bash
95	# 1. Check load
96	uptime
97
98	# 2. Find high CPU processes
99	ps aux --sort=-%cpu \| head -10
100
101	# 3. Find high memory processes
102	ps aux --sort=-%mem \| head -10
103	```
104
105	## Troubleshooting
106
107	\| Problem \| Commands \|
108	\|---------\|----------\|
109	\| System lag \| `top`, `vmstat 1`, `iostat -x 1` \|
110	\| Disk full \| `df -h`, `du -sh /*`, `ncdu` \|
111	\| Memory shortage \| `free -h`, `ps aux --sort=-%mem` \|
112	\| Service abnormal \| `systemctl status`, `journalctl -u` \|

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system-admin

478installs12forks

View on GitHub

How to install system-admin?

chaterm/terminal-skills/system-admin

$npx -y skills add chaterm/terminal-skills --skill system-admin

Installs into the current project.

Summary

Linux system administration and monitoring

Files · 1

View on GitHub

SKILL.md

1	# Linux System Administration
2
3	## Overview
4	Core commands and best practices for Linux system administration, including system information viewing, resource monitoring, service management, etc.
5
6	## System Information
7
8	### Basic Information
9	```bash
10	# System version
11	cat /etc/os-release
12	uname -a
13
14	# Hostname
15	hostnamectl
16
17	# Uptime and load
18	uptime
19	```
20
21	### Hardware Information
22	```bash
23	# CPU information
24	lscpu
25	cat /proc/cpuinfo
26
27	# Memory information
28	free -h
29	cat /proc/meminfo
30
31	# Disk information
32	lsblk
33	df -h
34	```
35
36	## Resource Monitoring
37
38	### Real-time Monitoring
39	```bash
40	# Comprehensive monitoring
41	top
42	htop
43
44	# Memory monitoring
45	vmstat 1
46
47	# IO monitoring
48	iostat -x 1
49	iotop
50
51	# Network monitoring
52	iftop
53	nethogs
54	```
55
56	### Historical Data
57	```bash
58	# System activity report
59	sar -u 1 10 # CPU
60	sar -r 1 10 # Memory
61	sar -d 1 10 # Disk
62	```
63
64	## Service Management
65
66	### Systemd Services
67	```bash
68	# Service status
69	systemctl status service-name
70	systemctl is-active service-name
71
72	# Start/Stop services
73	systemctl start/stop/restart service-name
74
75	# Boot startup
76	systemctl enable/disable service-name
77
78	# View all services
79	systemctl list-units --type=service
80	```
81
82	## Common Scenarios
83
84	### Scenario 1: System Health Check
85	```bash
86	# Quick health check script
87	echo "=== System Load ===" && uptime
88	echo "=== Memory Usage ===" && free -h
89	echo "=== Disk Usage ===" && df -h
90	echo "=== Failed Services ===" && systemctl --failed
91	```
92
93	### Scenario 2: Troubleshoot High Load
94	```bash
95	# 1. Check load
96	uptime
97
98	# 2. Find high CPU processes
99	ps aux --sort=-%cpu \| head -10
100
101	# 3. Find high memory processes
102	ps aux --sort=-%mem \| head -10
103	```
104
105	## Troubleshooting
106
107	\| Problem \| Commands \|
108	\|---------\|----------\|
109	\| System lag \| `top`, `vmstat 1`, `iostat -x 1` \|
110	\| Disk full \| `df -h`, `du -sh /*`, `ncdu` \|
111	\| Memory shortage \| `free -h`, `ps aux --sort=-%mem` \|
112	\| Service abnormal \| `systemctl status`, `journalctl -u` \|

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6 picks

Type