python webpy启动服务

--查看端口
lsof -i:21111

nohup python /root/ardo/mylog.py 21111 &

--完美解决python web重定向后nohup input/output权限问题
[控制台无日志]
python /root/ardo/mylog.py >/dev/null 2>&1 21111 &
[控制台有日志]
python /root/ardo/mylog.py 21111 &

--跨主机查看日志
ssh 10.156.15.142 "tail -f /root/ardo/bak/test/log.txt"

主机互信
cat>>authorized_keys
cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys 
chmod 600 ~/.ssh/authorized_keys