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docs: numbering for english in section 7.7

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Iaroslav Baslin 2025-08-03 18:13:49 +03:00
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docs/en/document/level-0/ch07-xray-server.md
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@ -403,7 +403,8 @@ If your line really has a very high packet loss rate, the only reliable solution
:::
6. I have said so much because there are too many misconceptions and scam scripts around `BBR` to fool novices. I hope you now have a relatively clear understanding of `BBR`. Next, let's install the latest Debian kernel and enable `BBR`! (It's really simple)
1. Add the official `backports` source to Debian 10 to get the updated software library
7. Add the official `backports` source to Debian 10 to get the updated software library
```shell
sudo nano /etc/apt/sources.list
@ -415,13 +416,13 @@ If your line really has a very high packet loss rate, the only reliable solution
, to ensure compatibility and avoid the default file being overwritten in unforeseen circumstances and causing configuration loss.
:::
2. Then add the following item at the end, save and exit.
8. Then add the following item at the end, save and exit.
```
deb http://deb.debian.org/debian buster-backports main
```
3. Refresh the software library and query the latest version of the official Debian kernel and install it. Please be sure to install the version corresponding to your VPS (this article takes the more common [amd64] as an example).
9. Refresh the software library and query the latest version of the official Debian kernel and install it. Please be sure to install the version corresponding to your VPS (this article takes the more common [amd64] as an example).
```shell
sudo apt update && sudo apt -t buster-backports install linux-image-amd64
@ -437,7 +438,7 @@ If your line really has a very high packet loss rate, the only reliable solution
:::
4. Modify the `kernel` parameter configuration file `sysctl.conf` and specify to enable `BBR`
10. Modify the `kernel` parameter configuration file `sysctl.conf` and specify to enable `BBR`
```shell
sudo nano /etc/sysctl.conf
@ -449,20 +450,20 @@ If your line really has a very high packet loss rate, the only reliable solution
207 ​​version. Using a custom configuration file can also prevent the default file from being overwritten in unexpected circumstances, resulting in configuration loss.
:::
5. Add the following content
11. Add the following content
```
net.core.default_qdisc=fq
net.ipv4.tcp_congestion_control=bbr
```
6. Restart the VPS to make the kernel update and `BBR` settings take effect
12. Restart the VPS to make the kernel update and `BBR` settings take effect
```shell
sudo reboot
```
7. The complete process is demonstrated as follows:
13. The complete process is demonstrated as follows:
::: tip
Because the VPS I am demonstrating supports the cloud server-specific kernel, I used `linux-image-cloud-amd64` in the animation.
@ -472,7 +473,7 @@ If your line really has a very high packet loss rate, the only reliable solution
![Update Debian kernel and enable `BBR`](./ch07-img06-bbr-proper.gif)
8. Confirm that `BBR` is enabled
14. Confirm that `BBR` is enabled
If you want to confirm whether `BBR` is enabled correctly, you can use the following command:
```shell