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update:arch
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@ -218,6 +218,42 @@ sudo apt install grub-customizer
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```
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```
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sudo systemctl enable --now syncthing@<username>.service
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sudo systemctl enable --now syncthing@<username>.service
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```
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```
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## 开启BBR
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- 确保你的内核版本 >= 4.9:
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```
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uname -r
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```
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- 启用 BBR
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你只需要设置两个 sysctl 参数即可:
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```
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sudo sysctl -w net.core.default_qdisc=fq
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sudo sysctl -w net.ipv4.tcp_congestion_control=bbr
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```
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要让它们永久生效,把它们写入配置文件:
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```
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sudo nano /etc/sysctl.d/99-bbr.conf
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```
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加入以下内容:
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```
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net.core.default_qdisc = fq
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net.ipv4.tcp_congestion_control = bbr
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```
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然后重新加载配置:
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```
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sudo sysctl --system
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```
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- 验证 BBR 是否启用
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```
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sysctl net.ipv4.tcp_congestion_control
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```
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应该输出:
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```
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net.ipv4.tcp_congestion_control = bbr
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```
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---
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---
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**Done.**
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**Done.**
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