Rocks changing the computer point name

1. View the current compute node naming method as follows

[email protected] ~]# Rocks list Host

HOST Membership CPUS RACK RANK runaction installaction

Cluster:frontend 1 0 0 OS Install

Compute-0-0:compute 1 0 0 OS Install

Compute-0-1:compute 1 0 1 os Install

2. To change the compute-0-* to node* now, proceed as follows

Under any path, create a script named Rename.sh, which reads as follows

[email protected] addhost]# cat rename.sh

#!/bin/bashorder=0sum=2                                        //total number of nodes new=1# #while  [  $ORDER  -lt  $SUM  ];  do rocks set host name compute-0-$ORDER  node$new; rocks set  host interface name node$new eth0 node$new; let order++; let  new++; done### #Sync  configrocks sync config# #SUM =2new=1## #Set  for hosts  filefor i in  ' seq  $NEW   $SUM ';d o ssh node$i sed -i -e   "s/compute-0-.*.local/node$i.local/g"  -e  "s/compute-0-.*/node$i/g"  /etc/hosts;done#for  i in  ' seq  $NEW   $SUM ';d o ssh node$i hostname node$i.local;done# for i in  ' seq  $NEW &nbsp, $SUM ';d o ssh node$i sed -i  "/hostname/c\hostname=node$i.local"  /etc/ Sysconfig/network;done

Note: The script content changes according to the actual situation

For example: Now there are 10 nodes, now you need to compute-0-0 to compute-0-9, rename Node1 to Node10, the steps are as follows

1. There are two places in the script that need to be changed, please see the note for specific location

[email protected] addhost]# cat rename.sh

#!/bin/bashorder=0sum=10                                            //change the number of nodes here                         new=1## while [  $ORDER  -lt  "$SUM"  ]; do rocks set host name  compute-0-$ORDER  node$new; rocks set host interface name node$new eth0  node$new; let order++; let new++; done### #Sync  Configrocks sync  config# #SUM =10                                         //This place also needs to change new=1## #Set  For hosts filefor i in  ' seq  $NEW   $SUM ';d o  ssh node$i sed -i -e  "s/compute-0-.*.local/node$i.local/g"  -e  "s/ Compute-0-.*/node$i/g " /etc/hosts;done#for i in  ' seq  $NEW   $SUM ';d o ssh  node$i hostname node$i.local;done#for i in  ' seq  $NEW   $SUM ';d o  ssh node$i sed -i  "/hostname/c\hostname=node$i.local"  /etc/sysconfig/network;done

2. Execute the script to

[Email protected] addhost]# sh rename.sh

This article is from the "Never Stop" blog, please be sure to keep this source http://wjcaiyf.blog.51cto.com/7105309/1690846

Rocks changing the computer point name