tmux 安装

a）ubuntu版本下直接apt-get安装
sudo apt-get install tmux

b）centos7版本下直接yum安装
yum install -y tmux

手动安装：

tmux官网下载地址：http://tmux.github.io/ 
# yum install libevent libevent-devel ncurses-devel
# tar -zvxf tmux-2.3.tar.gz                      (提前下载：wget https://github.com/tmux/tmux/releases/download/2.3/tmux-2.3.tar.gz)
# cd tmux-2.3
# ./configure
# make && make install

1）make编译tmux时，可能出现的错误
control.c: In function ‘control_callback’:
control.c:63: warning: implicit declaration of function ‘evbuffer_readln’
control.c:63: error: ‘EVBUFFER_EOL_LF’ undeclared (first use in this function)
control.c:63: error: (Each undeclared identifier is reported only once
control.c:63: error: for each function it appears in.)
control.c:63: warning: assignment makes pointer from integer without a cast
make: * [control.o] Error 1

原因：使用的libevent的版本太低造成的，tmux1.8要求libevent>= 2.0.10-stable

解决办法：
$yum remove libevent libevent-devel //先卸载yum安装的libevent$ rpm -qa|grep libevent //确保已经卸载

到http://libevent.org/里面下载最新版的libevent

# tar -zvxf libevent-2.0.21-stable.tar.gz      (提前下载：wget https://github.com/downloads/libevent/libevent/libevent-2.0.21-stable.tar.gz)
# cd libevent-2.0.21-stable
# ./configure
# make && make install
# ll /usr/local/lib/libevent.so **重点内容**

然后再接着make编译tmux就顺利通过了~~
2）运行tmux可能出现的错误：

tmux: error while loading shared libraries: libevent-2.0.so.5: cannot open shared object file: No such file or directory

解决办法：建立相应的软链接
32bit系统

# ln -s /usr/local/lib/libevent-2.0.so.5 /usr/lib/libevent-2.0.so.5

64bit系统
ln -s /usr/local/lib/libevent-2.0.so.5 /usr/lib64/libevent-2.0.so.5
或者：

修改LD_LIBRARY_PATH
export LD_LIBRARY_PATH=/where/you/install/lib:$LD_LIBRARY_PATH
sudo ldconfig

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