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- #!/bin/bash
- #for centos user must first install epel-release, sshpass, and nmap (sshpass and nmap are available from epel-release for CENTOS)
- #usage ./authMe2.sh [username] [password] [internalIP prefix]
- # ./authMe2.sh azureuser Azure@123 10.2.1
- USER=$1
- PASS=$2
- IPPRE=$3
- HEADNODE=`hostname`
- mkdir -p .ssh
- echo -e 'yn' | ssh-keygen -f .ssh/id_rsa -t rsa -N ''
- echo 'Host *' >> .ssh/config
- echo 'StrictHostKeyChecking no' >> .ssh/config
- chmod 400 .ssh/config
- chown azureuser:azureuser /home/azureuser/.ssh/config
- nmap -sn $IPPRE.* | grep $IPPRE. | awk '{print $5}' > nodeips.txt
- for NAME in `cat nodeips.txt`; do sshpass -p $PASS ssh -o ConnectTimeout=2 $USER@$NAME 'hostname' >> nodenames.txt;done
- NAMES=`cat nodenames.txt` #names from names.txt file
- for NAME in $NAMES; do
- sshpass -p $PASS scp -o "StrictHostKeyChecking no" -o ConnectTimeout=2 /home/$USER/nodenames.txt $USER@$NAME:/home/$USER/
- sshpass -p $PASS ssh -o ConnectTimeout=2 $USER@$NAME "mkdir .ssh && chmod 700 .ssh"
- sshpass -p $PASS ssh -o ConnectTimeout=2 $USER@$NAME "echo -e 'yn' | ssh-keygen -f .ssh/id_rsa -t rsa -N ''"
- sshpass -p $PASS ssh -o ConnectTimeout=2 $USER@$NAME 'touch /home/'$USER'/.ssh/config'
- sshpass -p $PASS ssh -o ConnectTimeout=2 $USER@$NAME 'echo "Host *" > /home/'$USER'/.ssh/config'
- sshpass -p $PASS ssh -o ConnectTimeout=2 $USER@$NAME 'echo StrictHostKeyChecking no >> /home/'$USER'/.ssh/config'
- sshpass -p $PASS ssh -o ConnectTimeout=2 $USER@$NAME 'chmod 400 /home/'$USER'/.ssh/config'
- cat .ssh/id_rsa.pub | sshpass -p $PASS ssh -o ConnectTimeout=2 $USER@$NAME 'cat >> .ssh/authorized_keys'
- sshpass -p $PASS scp -o "StrictHostKeyChecking no" -o ConnectTimeout=2 $USER@$NAME:/home/$USER/.ssh/id_rsa.pub .ssh/sub_node.pub
- for SUBNODE in `cat nodeips.txt`; do
- sshpass -p $PASS ssh -o ConnectTimeout=2 $USER@$SUBNODE 'mkdir -p .ssh'
- cat .ssh/sub_node.pub | sshpass -p $PASS ssh -o ConnectTimeout=2 $USER@$SUBNODE 'cat >> .ssh/authorized_keys'
- done
- sshpass -p $PASS ssh -o ConnectTimeout=2 $USER@$NAME 'chmod 700 .ssh/'
- sshpass -p $PASS ssh -o ConnectTimeout=2 $USER@$NAME 'chmod 640 .ssh/authorized_keys'
- done
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