How to run a command in all the segment simultaneously

Post date: Feb 06, 2014 12:26:24 AM

[gpadmin@sachi ~]$ gpssh -f hostlist_singlenode

=> hostname

[sachi] sachi

=> tar czfv `hostname`.network_backup.tar.gz /etc/sysconfig/network-scripts

[sachi] tar: Removing leading `/' from member names

[sachi] /etc/sysconfig/network-scripts/

[sachi] /etc/sysconfig/network-scripts/ifdown-tunnel

[sachi] /etc/sysconfig/network-scripts/network-functions

[sachi] /etc/sysconfig/network-scripts/ifdown-post

[sachi] /etc/sysconfig/network-scripts/ifdown-sit

[sachi] /etc/sysconfig/network-scripts/ifup-isdn

[sachi] /etc/sysconfig/network-scripts/ifcfg-lo

[sachi] /etc/sysconfig/network-scripts/ifcfg-eth0

[sachi] /etc/sysconfig/network-scripts/ifup-plusb

[sachi] /etc/sysconfig/network-scripts/ifdown-routes

[sachi] /etc/sysconfig/network-scripts/ifup-ppp

[sachi] /etc/sysconfig/network-scripts/ifup-post

[sachi] /etc/sysconfig/network-scripts/ifup-aliases

[sachi] /etc/sysconfig/network-scripts/net.hotplug

[sachi] /etc/sysconfig/network-scripts/ifup

[sachi] /etc/sysconfig/network-scripts/ifup-wireless

[sachi] /etc/sysconfig/network-scripts/ifdown-ippp

[sachi] /etc/sysconfig/network-scripts/ifup-bnep

[sachi] /etc/sysconfig/network-scripts/ifup-sit

[sachi] /etc/sysconfig/network-scripts/init.ipv6-global

[sachi] /etc/sysconfig/network-scripts/ifup-routes

[sachi] /etc/sysconfig/network-scripts/ifdown-ipv6

[sachi] /etc/sysconfig/network-scripts/network-functions-ipv6

[sachi] /etc/sysconfig/network-scripts/ifup-ipv6

[sachi] /etc/sysconfig/network-scripts/ifdown-eth

[sachi] /etc/sysconfig/network-scripts/ifup-eth

[sachi] /etc/sysconfig/network-scripts/ifup-ippp

[sachi] /etc/sysconfig/network-scripts/ifup-plip

[sachi] /etc/sysconfig/network-scripts/ifdown-isdn

[sachi] /etc/sysconfig/network-scripts/ifup-tunnel

[sachi] /etc/sysconfig/network-scripts/ifdown

[sachi] /etc/sysconfig/network-scripts/ifdown-bnep

[sachi] /etc/sysconfig/network-scripts/ifdown-ppp

=>  ls `hostname`.network_backup.tar.gz

[sachi] sachi.network_backup.tar.gz

=>