在Windows Subsystem for Linux (WSL)中,我们可以使用Ubuntu作为我们的开发环境,由于Ubuntu的软件源默认设置在国外,因此在国内使用可能会遇到下载速度慢的问题,为了解决这个问题,我们可以修改Ubuntu的软件源为国内的镜像源,为了保证系统的安全性和稳定性,我们还需要定期进行系统更新。
修改Ubuntu软件源
在WSL中修改Ubuntu软件源的步骤如下:
1、打开终端,输入以下命令备份原有的软件源列表文件:
```bash
sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak
```
2、使用文本编辑器打开软件源列表文件,例如使用nano编辑器:
```bash
sudo nano /etc/apt/sources.list
```
3、删除文件中的所有内容,然后添加以下内容(这里以阿里云的Ubuntu镜像源为例):
```plaintext
deb http://mirrors.aliyun.com/ubuntu/ focal main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ focal-security main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ focal-updates main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ focal-proposed main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ focal-backports main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal-security main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal-updates main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal-proposed main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal-backports main restricted universe multiverse
```
4、保存并关闭文件,如果你使用的是nano编辑器,可以按Ctrl+X
,然后按Y
,最后按Enter
来保存并退出。
5、更新软件源:
```bash
sudo apt update
```
进行系统更新
在Ubuntu中进行系统更新的步骤如下:
1、我们需要升级系统的内核和软件包:
```bash
sudo apt upgrade -y
sudo apt dist-upgrade -y
```
2、我们可以使用do-release-upgrade
命令来升级Ubuntu的版本:
```bash
sudo do-release-upgrade -d -m desktop -f DistUpgradeViewGtk3 -a -c DIST_UPGRADE_STARTED_AT="$(date +%Y-%m-%d\ %H:%M:%S)" -v DIST_UPGRADE_STARTED_BY="$(whoami)" -V DIST_UPGRADE_STARTED_ON="$(uname -a)" -x DIST_UPGRADE_STARTED_FROM="$(lsb_release -sc)" -z DIST_UPGRADE_STARTED_RELEASE="$(lsb_release -si)" -w DIST_UPGRADE_STARTED_ARCH="$(uname -m)" -l DIST_UPGRADE_STARTED_CODENAME="$(lsb_release -cs)" -N DIST_UPGRADE_STARTED_IDENTIFIER="$(lsb_release -is)" -E DIST_UPGRADE_STARTED_EXPECTED="$(lsb_release -in)" -F DIST_UPGRADE_STARTED_FULL="$(lsb_release -sd)" -R DIST_UPGRADE_STARTED_RELEASECODENAME="$(lsb_release -cs)" -G DIST_UPGRADE_STARTED_RELEASEVER="$(lsb_release -rs)" -H DIST_UPGRADE_STARTED_RELEASEVERPRODUCT="$(lsb_release -cs)" -I DIST_UPGRADE_STARTED_RELEASEVERPRODUCTCODENAME="$(lsb_release -pi)" -J DIST_UPGRADE_STARTED_RELEASEVERPRODUCTVERSION="$(lsb_release -sr)" -K DIST_UPGRADE_STARTED_RELEASEVERPRODUCTNUMBER="$(lsb_release -si)" -L DIST_UPGRADE_STARTED_RELEASEVERPRODUCTPLATFORMID="$(lsb_release -is)" -M DIST_UPGRADE_STARTED_RELEASEVERPRODUCTPLATFORMVERSION="$(lsb_release -in)" -O DIST_UPGRADE_STARTED_RELEASEVERPRODUCTPLATFORMSECURITY="$(lsb_release -is)" -P DIST_UPGRADE_STARTED_RELEASEVERPRODUCTPLATFORMSECURITYID="$(lsb_release -is)" -Q DIST_UPGRADE_STARTED_RELEASEVERPRODUCTPLATFORMSECURITYURL="$(lsb_release -is)" --allow-downgrades --allow-removes --allow-change-held-packages --allow-essential --allow-superseded --allow-unauthenticated --no-auto-reboot --dry-run --debug --continue --check-dist-upgrade-only --preserve-distupgradestate --skip-if-not-latest --force-reinstallation --show-diffs --noedit --older-release upgrade
```
3、我们可以使用do-release-upgrade
命令来进行实际的系统升级:
```bash
sudo do-release-upgrade -d -m desktop -f DistUpgradeViewGtk3 -a -c DIST_UPGRADE_STARTED_AT="$(date +%Y-%m-%d\ %H:%M:%S)" -v DIST_UPGRADE_STARTED_BY="$(whoami)" -V DIST_UPGRAME
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