process-management

Name: process-management
Author: chaterm

83installs12forks

How to install process-management?

chaterm/terminal-skills/process-management

$npx -y skills add chaterm/terminal-skills --skill process-management

Installs into the current project.

Summary

Linux process management and control

Files · 1

View on GitHub

SKILL.md

1	# Process Management
2
3	## Overview
4	Linux process viewing, signal handling, resource limiting and other management skills.
5
6	## Process Viewing
7
8	### ps Command
9	```bash
10	# Common formats
11	ps aux # All process details
12	ps -ef # Full format
13	ps -eo pid,ppid,cmd,%mem,%cpu # Custom columns
14
15	# Find specific process
16	ps aux \| grep nginx
17	ps -C nginx # By command name
18
19	# Process tree
20	ps auxf
21	pstree
22	pstree -p # Show PID
23	```
24
25	### top/htop
26	```bash
27	# top interactive commands
28	top
29	# P - Sort by CPU
30	# M - Sort by memory
31	# k - Kill process
32	# q - Quit
33
34	# htop (more user-friendly)
35	htop
36	```
37
38	### Other Tools
39	```bash
40	# Sort by resource
41	ps aux --sort=-%cpu \| head -10 # Highest CPU
42	ps aux --sort=-%mem \| head -10 # Highest memory
43
44	# View process details
45	cat /proc/PID/status
46	cat /proc/PID/cmdline
47	ls -la /proc/PID/fd # Open file descriptors
48	```
49
50	## Signal Handling
51
52	### Common Signals
53	```bash
54	# Signal list
55	kill -l
56
57	# Common signals
58	# SIGTERM (15) - Graceful termination (default)
59	# SIGKILL (9) - Force termination
60	# SIGHUP (1) - Reload configuration
61	# SIGSTOP (19) - Pause process
62	# SIGCONT (18) - Continue process
63	```
64
65	### kill Command
66	```bash
67	# Terminate process
68	kill PID # Send SIGTERM
69	kill -9 PID # Force terminate
70	kill -HUP PID # Reload config
71
72	# Terminate by name
73	pkill nginx
74	pkill -9 -f "python script.py"
75
76	# Terminate all processes of a user
77	pkill -u username
78
79	# killall
80	killall nginx
81	killall -9 nginx
82	```
83
84	## Background Tasks
85
86	### Job Control
87	```bash
88	# Run in background
89	command &
90	nohup command & # Ignore hangup signal
91	nohup command > output.log 2>&1 &
92
93	# Job management
94	jobs # View jobs
95	fg %1 # Foreground
96	bg %1 # Background
97	Ctrl+Z # Pause current process
98	```
99
100	### screen/tmux
101	```bash
102	# screen
103	screen -S session_name # Create session
104	screen -ls # List sessions
105	screen -r session_name # Resume session
106	Ctrl+A D # Detach session
107
108	# tmux
109	tmux new -s session_name
110	tmux ls
111	tmux attach -t session_name
112	Ctrl+B D # Detach session
113	```
114
115	## Resource Limits
116
117	### ulimit
118	```bash
119	# View limits
120	ulimit -a
121
122	# Set limits
123	ulimit -n 65535 # Max file descriptors
124	ulimit -u 4096 # Max processes
125	ulimit -v unlimited # Virtual memory
126
127	# Permanent settings /etc/security/limits.conf
128	# * soft nofile 65535
129	# * hard nofile 65535
130	```
131
132	### cgroups
133	```bash
134	# View cgroup
135	cat /proc/PID/cgroup
136
137	# Limit CPU (systemd)
138	systemctl set-property service.service CPUQuota=50%
139
140	# Limit memory
141	systemctl set-property service.service MemoryLimit=512M
142	```
143
144	## Common Scenarios
145
146	### Scenario 1: Find and Kill Zombie Processes
147	```bash
148	# Find zombie processes
149	ps aux \| awk '$8=="Z" {print}'
150
151	# Find parent process
152	ps -o ppid= -p ZOMBIE_PID
153
154	# Kill parent process
155	kill -9 PARENT_PID
156	```
157
158	### Scenario 2: Find Process Using Port
159	```bash
160	# Find process using port 80
161	lsof -i :80
162	ss -tlnp \| grep :80
163	netstat -tlnp \| grep :80
164
165	# Kill process
166	fuser -k 80/tcp
167	```
168
169	### Scenario 3: Monitor Process Resources
170	```bash
171	# Real-time monitor single process
172	top -p PID
173	watch -n 1 "ps -p PID -o %cpu,%mem,cmd"
174
175	# View files opened by process
176	lsof -p PID
177	```
178
179	## Troubleshooting
180
181	\| Problem \| Solution \|
182	\|---------\|----------\|
183	\| Process unresponsive \| `strace -p PID` to view system calls \|
184	\| CPU 100% \| `top`, `perf top` to analyze hotspots \|
185	\| Memory leak \| `pmap -x PID`, `/proc/PID/smaps` \|
186	\| Zombie process \| Find parent process, restart or kill parent \|
187	\| Process OOM killed \| `dmesg \| grep -i oom` \|

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process-management

83installs12forks

View on GitHub

How to install process-management?

chaterm/terminal-skills/process-management

$npx -y skills add chaterm/terminal-skills --skill process-management

Installs into the current project.

Summary

Linux process management and control

Files · 1

View on GitHub

SKILL.md

1	# Process Management
2
3	## Overview
4	Linux process viewing, signal handling, resource limiting and other management skills.
5
6	## Process Viewing
7
8	### ps Command
9	```bash
10	# Common formats
11	ps aux # All process details
12	ps -ef # Full format
13	ps -eo pid,ppid,cmd,%mem,%cpu # Custom columns
14
15	# Find specific process
16	ps aux \| grep nginx
17	ps -C nginx # By command name
18
19	# Process tree
20	ps auxf
21	pstree
22	pstree -p # Show PID
23	```
24
25	### top/htop
26	```bash
27	# top interactive commands
28	top
29	# P - Sort by CPU
30	# M - Sort by memory
31	# k - Kill process
32	# q - Quit
33
34	# htop (more user-friendly)
35	htop
36	```
37
38	### Other Tools
39	```bash
40	# Sort by resource
41	ps aux --sort=-%cpu \| head -10 # Highest CPU
42	ps aux --sort=-%mem \| head -10 # Highest memory
43
44	# View process details
45	cat /proc/PID/status
46	cat /proc/PID/cmdline
47	ls -la /proc/PID/fd # Open file descriptors
48	```
49
50	## Signal Handling
51
52	### Common Signals
53	```bash
54	# Signal list
55	kill -l
56
57	# Common signals
58	# SIGTERM (15) - Graceful termination (default)
59	# SIGKILL (9) - Force termination
60	# SIGHUP (1) - Reload configuration
61	# SIGSTOP (19) - Pause process
62	# SIGCONT (18) - Continue process
63	```
64
65	### kill Command
66	```bash
67	# Terminate process
68	kill PID # Send SIGTERM
69	kill -9 PID # Force terminate
70	kill -HUP PID # Reload config
71
72	# Terminate by name
73	pkill nginx
74	pkill -9 -f "python script.py"
75
76	# Terminate all processes of a user
77	pkill -u username
78
79	# killall
80	killall nginx
81	killall -9 nginx
82	```
83
84	## Background Tasks
85
86	### Job Control
87	```bash
88	# Run in background
89	command &
90	nohup command & # Ignore hangup signal
91	nohup command > output.log 2>&1 &
92
93	# Job management
94	jobs # View jobs
95	fg %1 # Foreground
96	bg %1 # Background
97	Ctrl+Z # Pause current process
98	```
99
100	### screen/tmux
101	```bash
102	# screen
103	screen -S session_name # Create session
104	screen -ls # List sessions
105	screen -r session_name # Resume session
106	Ctrl+A D # Detach session
107
108	# tmux
109	tmux new -s session_name
110	tmux ls
111	tmux attach -t session_name
112	Ctrl+B D # Detach session
113	```
114
115	## Resource Limits
116
117	### ulimit
118	```bash
119	# View limits
120	ulimit -a
121
122	# Set limits
123	ulimit -n 65535 # Max file descriptors
124	ulimit -u 4096 # Max processes
125	ulimit -v unlimited # Virtual memory
126
127	# Permanent settings /etc/security/limits.conf
128	# * soft nofile 65535
129	# * hard nofile 65535
130	```
131
132	### cgroups
133	```bash
134	# View cgroup
135	cat /proc/PID/cgroup
136
137	# Limit CPU (systemd)
138	systemctl set-property service.service CPUQuota=50%
139
140	# Limit memory
141	systemctl set-property service.service MemoryLimit=512M
142	```
143
144	## Common Scenarios
145
146	### Scenario 1: Find and Kill Zombie Processes
147	```bash
148	# Find zombie processes
149	ps aux \| awk '$8=="Z" {print}'
150
151	# Find parent process
152	ps -o ppid= -p ZOMBIE_PID
153
154	# Kill parent process
155	kill -9 PARENT_PID
156	```
157
158	### Scenario 2: Find Process Using Port
159	```bash
160	# Find process using port 80
161	lsof -i :80
162	ss -tlnp \| grep :80
163	netstat -tlnp \| grep :80
164
165	# Kill process
166	fuser -k 80/tcp
167	```
168
169	### Scenario 3: Monitor Process Resources
170	```bash
171	# Real-time monitor single process
172	top -p PID
173	watch -n 1 "ps -p PID -o %cpu,%mem,cmd"
174
175	# View files opened by process
176	lsof -p PID
177	```
178
179	## Troubleshooting
180
181	\| Problem \| Solution \|
182	\|---------\|----------\|
183	\| Process unresponsive \| `strace -p PID` to view system calls \|
184	\| CPU 100% \| `top`, `perf top` to analyze hotspots \|
185	\| Memory leak \| `pmap -x PID`, `/proc/PID/smaps` \|
186	\| Zombie process \| Find parent process, restart or kill parent \|
187	\| Process OOM killed \| `dmesg \| grep -i oom` \|

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6 picks

Type