下载meshlab
$sudo apt-get install meshlab
查看meshlab位置
$ whereis meshlab
\meshlab: /usr/bin/meshlab /usr/lib/meshlab /usr/local/bin/meshlab /usr/share/meshlab
此时运行meshlab，需要输入整个路径
$ /usr/bin/meshlab
创建软连接指向/usr/local/bin/meshlab
$ sudo ln -s /usr/bin/meshlab /usr/local/bin/meshlab
此时打开终端直接输入即可运行
$meshlab