70 lines
1.3 KiB
Markdown
70 lines
1.3 KiB
Markdown
# sys - 系统信息
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一次性查看 OS、CPU、内存、磁盘概况，不用分别跑 `uname`、`lscpu`、`free`、`df`。
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## 命令
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| 命令 | 作用 |
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| --- | --- |
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| `kopsc sysinfo` | 显示系统信息一览 |
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| `kopsc sys uptime` | 查看系统运行时间和启动时间 |
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## 示例
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### sysinfo
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```bash
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kopsc sysinfo
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```
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输出示例：
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```
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=== 系统信息 ===
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操作系统: linux/amd64
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发行版: centos
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主机名: web-01
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内核: 5.15.0-91-generic
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=== CPU ===
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逻辑核心: 4
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型号: Intel(R) Xeon(R) CPU E5-2680 v4 @ 2.40GHz
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=== 内存 ===
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总计: 16.0G
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检测方式: /proc/meminfo
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可用: 8.2G
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=== 磁盘 ===
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Filesystem Size Used Avail Use% Mounted on
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/dev/vda1 50G 22G 28G 44% /
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```
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### sys uptime
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```bash
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kopsc sys uptime
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```
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输出示例：
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```
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运行时间: 15 天 3 小时 42 分钟
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启动时间: 2026-10-19 08:30:15
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负载均值: 0.15 0.22 0.18 (1/5/15分钟)
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```
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## 平台实现
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| 信息 | Linux | macOS | Windows |
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| --- | --- | --- | --- |
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| OS | `/etc/os-release` | runtime.GOOS | runtime.GOOS |
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| CPU | `/proc/cpuinfo` | `sysctl` | runtime |
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| 内存 | `/proc/meminfo` + cgroup | `sysctl hw.memsize` | `wmic` |
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| 磁盘 | `df -h` | `df -h` | `wmic logicaldisk` |
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| 运行时间 | `/proc/uptime` | `sysctl kern.boottime` | `wmic os get LastBootUpTime` |
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