报错信息

内容如下:
Package python3-pip is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted,
or is only available from another source
E: Package 'python3-pip' has no installation candidate

解决办法

换一种方法安装
采用下面两个命令就可以完成安装

curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
sudo python3 get-pip.py

安装完成后可以输入下面的命令启动xsstrike了
python3 xsstrike.py

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