1 因为163没有CentOs7的镜像。所以没有加这个 wget http://mirrors.163.com/.help/CentOS6-Base-163.repo
cd /etc/yum.repos.d/
wget http://download.opensuse.org/repositories/home:tpokorra:mono/CentOS_CentOS-7/home:tpokorra:mono.repo
yum makecache
yum install mono-opt
yum install mod_mono-opt
2 检測是否安装好
yum list installed | grep mono

cd /etc/yum.repos.d/
wget http://download.opensuse.org/repositories/home:tpokorra:mono/CentOS_CentOS-7/home:tpokorra:mono.repo
yum makecache
yum install mono-opt
yum install mod_mono-opt
2 检測是否安装好
yum list installed | grep mono

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3 加入mono工作路径
改动/etc/profile,在末端加入
vi /etc/profile
MONO_HOME=/opt/mono
PATH=$MONO_HOME/bin:$PATH
CLASSPATH=.:$MONO_HOME/lib/
export MONO_HOME
export PATH
export CLASSPATH
4 安装 Jexus
cd /tmp
wget linuxdot.net/down/jexus-5.6.2.tar.gz
tar -zxvf jexus-5.6.2.tar.gz
cd jexus-5.6.2
sudo ./install
cd ..
rm -f jexus-5.6.2.tar.gz
rm -fr jexus-5.6.2

MONO_HOME=/opt/mono
PATH=$MONO_HOME/bin:$PATH
CLASSPATH=.:$MONO_HOME/lib/
export MONO_HOME
export PATH
export CLASSPATH
4 安装 Jexus
cd /tmp
wget linuxdot.net/down/jexus-5.6.2.tar.gz
tar -zxvf jexus-5.6.2.tar.gz
cd jexus-5.6.2
sudo ./install
cd ..
rm -f jexus-5.6.2.tar.gz
rm -fr jexus-5.6.2

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假设出现 An exception was thrown by the type initializer for Mono.Unix.Native.Stdlib
可能是 mod_mono未安装。或未 ldconfig
5 启动 Jexus
手工启动 /usr/jexus/jws start

开机自己主动启动:
在/etc/rc.local 或类试的开机启动脚本中增加以下这一行命令:
mono /usr/jexus/jws.exe >/dev/null 2>&1 &
6 測试页面
在/etc/rc.local 或类试的开机启动脚本中增加以下这一行命令:
mono /usr/jexus/jws.exe >/dev/null 2>&1 &
6 測试页面

參考资料
http://jexus.org/