【Ubuntu】Ubuntu使用Fiddler 出现“mono：未找到命令”

1.下载Fiddler

在网站http://fiddler.wikidot.com/mono下载Fiddler

2.解压到自定义路径

3.运行fiddler

使用mono Fiddler.exe命令运行，如出现以下错误，则需要安装Mono

4.安装Mono

打开网站 https://www.mono-project.com/download/stable/#download-lin-ubuntu,Ubuntu 20.04 及其以上版本，运行以下命令：

1.将Mono存储库添加到系统中

sudo apt install ca-certificates gnupg
sudo gpg --homedir /tmp --no-default-keyring --keyring /usr/share/keyrings/mono-official-archive-keyring.gpg --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF
echo "deb [signed-by=/usr/share/keyrings/mono-official-archive-keyring.gpg] https://download.mono-project.com/repo/ubuntu stable-focal main" | sudo tee /etc/apt/sources.list.d/mono-official-stable.list
sudo apt update

2.安装Mono

sudo apt install mono-devel