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update:arch
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@ -365,6 +365,63 @@ sudo powerprofilesctl set balanced
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# 切换到“省电”模式
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sudo powerprofilesctl set power-saver
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```
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## 其他性能优化
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```
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Profile‑sync‑daemon
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将浏览器配置文件和缓存挂载到内存,退出时再写回磁盘:
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sudo pacman -S profile-sync-daemon
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systemctl --user enable --now psd.service
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Systemd‑oomd
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启用 systemd 自带的内存超载保护守护进程:
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sudo pacman -S systemd-oomd
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sudo systemctl enable --now systemd-oomd
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Bpftune
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加载 BPF 性能调优脚本(网络、I/O、调度等):
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sudo pacman -S bpftune
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sudo systemctl enable --now bpftune
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Ananicy‑Cpp
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根据预设规则给游戏、多媒体和后台任务打优先级标签:
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sudo pacman -S ananicy-cpp
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sudo systemctl enable --now ananicy-cpp
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```
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## 常用命令
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```
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更新系统:sudo pacman -Syu
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重新安装所有软件包:sudo pacman -Qq | sudo pacman -S -
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Reset keyrings:
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sudo rm -rf /etc/pacman.d/gnupg
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sudo pacman-key --init
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sudo pacman-key --populate archlinux
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移除数据库锁:sudo rm -f /var/lib/pacman/db.lck
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清理软件包缓存:sudo pacman -Sc (或 -Scc 完全清空)
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删除孤立软件包:sudo pacman -Rns $(pacman -Qtdq)
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Install Gaming packages:sudo pacman -S steam wine lutris dxvk
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排序镜像:
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sudo pacman -S reflector
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sudo reflector --latest 10 --sort rate --save /etc/pacman.d/mirrorlist
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更改 DNS 服务器:编辑 /etc/systemd/resolved.conf 中的 DNS=1.1.1.1 8.8.8.8,然后 sudo systemctl restart systemd-resolved
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```
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## 在Arch Linux上安装Docker
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