sysadmin-toolbox

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🇺🇸

Original

English

🇨🇳

Translation

Chinese

Sysadmin Toolbox

系统管理员工具集

Curated tool recommendations and practical shell one-liners for operational work.

为运维工作精选的工具推荐及实用Shell单行命令。

When to Auto-Consult

何时自动调用

Load relevant references when user is:

Debugging network connectivity, ports, traffic
Troubleshooting DNS or SSL/TLS
Analyzing processes, memory, disk usage
Working with logs or system diagnostics
Writing shell scripts or one-liners
Asking "what's a good tool for..."
Doing security audits or pentesting
Working with containers/Docker/K8s

当用户遇到以下场景时，加载相关参考内容：

调试网络连通性、端口、流量
排查DNS或SSL/TLS问题
分析进程、内存、磁盘使用情况
处理日志或系统诊断
编写Shell脚本或单行命令
询问“什么工具适合用来……”
进行安全审计或渗透测试
操作容器/Docker/K8s

Reference Files

参考文件

File	Use When
`references/shell-oneliners.md`	Need practical commands for: terminal, networking, SSL, curl, ssh, tcpdump, git, awk, sed, grep, find
`references/cli-tools.md`	Recommending CLI tools: shells, file managers, network utils, databases, security tools
`references/web-tools.md`	Web-based tools: SSL checkers, DNS lookup, performance testing, OSINT, scanners
`references/security-tools.md`	Pentesting, vulnerability scanning, exploit databases, CTF resources
`references/shell-tricks.md`	Shell scripting patterns and tricks

文件	使用场景
`references/shell-oneliners.md`	需要以下场景的实用命令：终端、网络、SSL、curl、ssh、tcpdump、git、awk、sed、grep、find
`references/cli-tools.md`	推荐CLI工具：Shell、文件管理器、网络工具、数据库、安全工具
`references/web-tools.md`	基于Web的工具：SSL检查器、DNS查询、性能测试、开源情报（OSINT）、扫描器
`references/security-tools.md`	渗透测试、漏洞扫描、漏洞利用数据库、CTF资源
`references/shell-tricks.md`	Shell脚本模式与技巧

Quick Tool Index

快速工具索引

Network Debugging

网络调试

```
mtr
```
- traceroute + ping combined
```
tcpdump
```
/
```
tshark
```
- packet capture
```
netstat
```
/
```
ss
```
- connection monitoring
```
nmap
```
- port scanning
```
curl
```
/
```
httpie
```
- HTTP testing

```
mtr
```
- 结合traceroute与ping的工具
```
tcpdump
```
/
```
tshark
```
- 数据包捕获
```
netstat
```
/
```
ss
```
- 连接监控
```
nmap
```
- 端口扫描
```
curl
```
/
```
httpie
```
- HTTP测试

DNS

```
dig
```
/
```
host
```
- DNS queries
```
dnsdiag
```
- DNS diagnostics
```
subfinder
```
/
```
amass
```
- subdomain enumeration

```
dig
```
/
```
host
```
- DNS查询
```
dnsdiag
```
- DNS诊断
```
subfinder
```
/
```
amass
```
- 子域名枚举

SSL/TLS

```
openssl
```
- certificate inspection
```
testssl.sh
```
- TLS testing
```
sslyze
```
- SSL scanning
```
certbot
```
- Let's Encrypt

```
openssl
```
- 证书检查
```
testssl.sh
```
- TLS测试
```
sslyze
```
- SSL扫描
```
certbot
```
- Let's Encrypt证书工具

Process/System

进程/系统

```
htop
```
/
```
btop
```
- process monitoring
```
strace
```
/
```
ltrace
```
- syscall/library tracing
```
lsof
```
- open files/connections
```
ncdu
```
- disk usage

```
htop
```
/
```
btop
```
- 进程监控
```
strace
```
/
```
ltrace
```
- 系统调用/库跟踪
```
lsof
```
- 打开文件/连接查看
```
ncdu
```
- 磁盘使用情况分析

Log Analysis

日志分析

```
lnav
```
- log navigator
```
GoAccess
```
- web log analyzer
```
angle-grinder
```
- log slicing

```
lnav
```
- 日志导航器
```
GoAccess
```
- Web日志分析器
```
angle-grinder
```
- 日志切片工具

Containers

容器

```
dive
```
- Docker image analysis
```
ctop
```
- container top
```
lazydocker
```
- Docker TUI

```
dive
```
- Docker镜像分析
```
ctop
```
- 容器进程监控
```
lazydocker
```
- Docker终端UI工具

Operational Gotchas (Recent)

近期运维注意事项

Git commit fails (GPG expired): Use
```
git -c commit.gpgsign=false commit ...
```
or renew your GPG key.
/bin/sh vs bash:
```
wait -n
```
is bash-only; use
```
/bin/bash -lc
```
or a Python ThreadPool fallback for parallel downloads.

Git提交失败（GPG过期）：使用
```
git -c commit.gpgsign=false commit ...
```
或更新你的GPG密钥。
/bin/sh vs bash：
```
wait -n
```
是仅bash支持的命令；使用
```
/bin/bash -lc
```
或Python ThreadPool作为并行下载的替代方案。

Keeping Current

保持内容更新

References auto-refresh weekly (Sundays 5am ET) from the upstream repo:

bash

~/clawd-duke-leto/skills/sysadmin-toolbox/scripts/refresh.sh

Manual refresh anytime:

bash

./scripts/refresh.sh [skill-dir]

参考内容每周自动刷新（美国东部时间周日凌晨5点），同步上游仓库：

bash

~/clawd-duke-leto/skills/sysadmin-toolbox/scripts/refresh.sh

随时手动刷新：

bash

./scripts/refresh.sh [skill-dir]

Example Queries → Actions

示例查询→对应操作

"Why is this port not responding?" → Load shell-oneliners.md, search for netstat/ss/lsof commands

"What's a good tool for testing SSL?" → Load cli-tools.md SSL section, recommend testssl.sh or sslyze

"Show me how to find large files" → Load shell-oneliners.md, search for find/ncdu/du commands

"I need to debug DNS resolution" → Load shell-oneliners.md dig section + recommend dnsdiag from cli-tools.md

“为什么这个端口没有响应？” → 加载shell-oneliners.md，搜索netstat/ss/lsof相关命令

“什么工具适合测试SSL？” → 加载cli-tools.md的SSL部分，推荐testssl.sh或sslyze

“告诉我如何查找大文件” → 加载shell-oneliners.md，搜索find/ncdu/du相关命令

“我需要调试DNS解析问题” → 加载shell-oneliners.md的dig部分，并从cli-tools.md中推荐dnsdiag