本文将针对Archlinux下的系统运维进行介绍。
内核相关
查看当前内核版本
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| uname -r
------------------------------------------------------------------------
4.19.67-1-lts
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内核版本更换
最新的内核版本滚动过于频繁，新增的许多特性也不稳定，因此将archlinux运行在稳定版本的内核上，即lts kernel
直接用pacman进行安装即可
旧内核删除
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| sudo rm -f /boot/vmlinuz-kernel_3.xxx
sudo rm -f /boot/initrd.img-kernel_3.xxx
sudo rm -rf /lib/modules/kernel_3.xxx
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systemctl命令
检查运行失败的service
- 找到运行失败的service
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| systemctl --failed
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systemd-modules-load.service loaded failed failed Load Kernel Modules
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- 查看运行失败的原因
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| systemctl status systemd-modules-load.service
-----------------------------------------------------------------------
● systemd-modules-load.service - Load Kernel Modules
Loaded: loaded (/usr/lib/systemd/system/systemd-modules-load.service; static; vendor preset: dis>
Active: failed (Result: exit-code) since Fri 2019-08-23 12:16:54 CST; 6min ago
Docs: man:systemd-mod 大专栏 Archlinux系统运维ules-load.service(8)
man:modules-load.d(5)
Process: 190 ExecStart=/usr/lib/systemd/systemd-modules-load (code=exited, status=1/FAILURE)
Main PID: 190 (code=exited, status=1/FAILURE)
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- 根据Main PID查看对应的问题
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| journalctl _PID=190
-----------------------------------------------------------------------
-- Logs begin at Thu 2019-04-25 23:48:52 CST, end at Fri 2019-08-23 12:24:50 CST. --
8月 23 12:16:54 husky systemd-modules-load[190]: Failed to find module 'vfs_monitor'
8月 23 12:16:54 husky systemd-modules-load[190]: Failed to find module 'vboxdrv'
8月 23 12:16:54 husky systemd-modules-load[190]: Failed to find module 'vboxpci'
8月 23 12:16:54 husky systemd-modules-load[190]: libkmod: kmod_config_parse: /etc/modprobe.d/iwlwif>
8月 23 12:16:54 husky systemd-modules-load[190]: libkmod: kmod_config_parse: /etc/modprobe.d/iwlwif>
8月 23 12:16:54 husky systemd-modules-load[190]: libkmod: kmod_config_parse: /etc/modprobe.d/iwlwif>
8月 23 12:16:54 husky systemd-modules-load[190]: libkmod: kmod_config_parse: /etc/modprobe.d/iwlwif>
8月 23 12:16:54 husky systemd-modules-load[190]: libkmod: kmod_config_parse: /etc/modprobe.d/iwlwif>
8月 23 12:16:54 husky systemd-modules-load[190]: Failed to find module 'vboxnetadp'
8月 23 12:16:54 husky systemd-modules-load[190]: Failed to find module 'vboxnetflt'
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- 我们有一些module系统没有找到，因此在
/etc/modules-load.d/下查看对应设置
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| ls -Al /etc/modules-load.d
-----------------------------------------------------------------------
总用量 0
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结果发现什么都没有，通过modinfo命令检查对应模块，发现找不到对应的模块
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| modinfo vfs_monitor
-----------------------------------------------------------------------
modinfo: ERROR: Module vfs_monitor not found.
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