[root@qinhan ~]# ifconfig eno16777736: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 172.16.43.105 netmask 255.255.255.0 broadcast 172.16.43.255 inet6 fe80::20c:29ff:fe22:1f4f prefixlen 64 scopeid 0x20<link> ether 00:0c:29:22:1f:4f txqueuelen 1000 (Ethernet) RX packets 2 bytes 120 (120.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 10 bytes 768 (768.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 eno33554984: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 192.168.27.100 netmask 255.255.255.0 broadcast 192.168.27.255 inet6 fe80::20c:29ff:fe22:1f59 prefixlen 64 scopeid 0x20<link> ether 00:0c:29:22:1f:59 txqueuelen 1000 (Ethernet) RX packets 13415 bytes 9012322 (8.5 MiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 8337 bytes 1137911 (1.0 MiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536 inet 127.0.0.1 netmask 255.0.0.0 inet6 ::1 prefixlen 128 scopeid 0x10<host> loop txqueuelen 0 (Local Loopback) RX packets 1301 bytes 132447 (129.3 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 1301 bytes 132447 (129.3 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 [root@qinhan ~]# python Python 3.6.2 (default, Jan 10 2018, 16:15:47) [GCC 4.8.5 20150623 (Red Hat 4.8.5-16)] on linux Type "help", "copyright", "credits" or "license" for more information. >>> import subprocess >>> subprocess.run('sshpass -p root ssh root@192.168.27.3 -o "StrictHostKeyChecking no"',shell=True) Last login: Fri Jan 19 10:42:16 2018 from node2.magedu.com [root@node1 ~]# ifconfig eno16777736: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 172.16.43.102 netmask 255.255.255.0 broadcast 172.16.43.255 inet6 fe80::20c:29ff:fe53:14fc prefixlen 64 scopeid 0x20<link> ether 00:0c:29:53:14:fc txqueuelen 1000 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 10 bytes 768 (768.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 eno33554960: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 192.168.27.3 netmask 255.255.255.0 broadcast 192.168.27.255 inet6 fe80::20c:29ff:fe53:1406 prefixlen 64 scopeid 0x20<link> ether 00:0c:29:53:14:06 txqueuelen 1000 (Ethernet) RX packets 1898 bytes 198151 (193.5 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 785 bytes 175186 (171.0 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536 inet 127.0.0.1 netmask 255.0.0.0 inet6 ::1 prefixlen 128 scopeid 0x10<host> loop txqueuelen 0 (Local Loopback) RX packets 3588 bytes 310356 (303.0 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 3588 bytes 310356 (303.0 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 [root@node1 ~]#