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Tuesday, 16 October 2018
Ansible Command to copy files to destination
Friday, 28 September 2018
SHELL SCRIPTS
#!/bin/ksh
echo "Enter your password: "
stty -echo
read -s SSHPASS
export SSHPASS
stty echo
for host in `cat host.txt`
do
sshpass -e ssh-copy-id -f ${host} -o StrictHostKeyChecking=no
done
SSHPASS=""
List the hostnames in host.txt file
2) Shell Script to use rsync to copy the files to remote servers
#!/bin/sh
## Author: Pavan Bandaru
## Date: 9/28/2018
set -x
display_usage() {
echo "This script must be run with ...."
echo -e "\nUsage:\n$0 [hostfile.txt] \n"
}
if [ $# -eq 0 ]; then
display_usage
exit 1
fi
hostfile=$1
for host in `cat<$hostfile`
do
hostname=$(echo $host|awk -F"," '{print $1}')
echo "------------------------------------------------"
echo "connecting to $hostname"
rsync -r localdir ${hostname}:/home/pavan/
RESULT=$?
if [ $RESULT -ne 0 ]; then
echo Login Failed
fi
done
Note: Keep the remote host list on the host file.
script to test remote tcp connection on multiple hosts
Use the following script to validate tcp connection on remote hosts.
Step 1) Generate ssh keys on your local machine
run command: ssh-keygen -t rsa
Step 2) Use the following script to establish ssh connectivity to all remote servers.
#!/bin/ksh
## Author: Pavan Bandaru
##List the hostnames in host.txt file
echo "Enter your password: "
stty -echoread -s SSHPASS
export SSHPASS
stty echo
for host in `cat host.txt`
do
sshpass -e ssh-copy-id -f ${host} -o StrictHostKeyChecking=no
done
SSHPASS=""
#!/bin/ksh
## Author: Pavan Bandaru
display_usage() {
echo "This script must be run with ...."
echo -e "\nUsage:\n$0 [inputfile.txt] \n"
}
if [ $# -eq 0 ]; then
display_usage
exit 1
fi
inputfile=$1
echo "------------------------------------------"
for host in `cat<$inputfile`
do
hostname=$(echo $host | awk -F"," '{print $1}')
remotehost=$(echo $host | awk -F"," '{print $2}')
remoteip=$(echo $host | awk -F"," '{print $3}')
echo $hostname
echo $remotehost
echo $remoteip
ssh -T $hostname << EOSSH
timeout 2 bash -c 'echo >/dev/tcp/$remotehost/$remoteip' && echo "connection status: success" || echo "connection status: failed"
EOSSH
echo "-----------------------------------------"
done
Shell Script to use rsync to copy the files to remote servers
## Author: Pavan Bandaru
## Date: 9/28/2018
set -x
display_usage() {
echo "This script must be run with ...."
echo -e "\nUsage:\n$0 [hostfile.txt] \n"
}
if [ $# -eq 0 ]; then
display_usage
exit 1
fi
hostfile=$1
for host in `cat<$hostfile`
do
hostname=$(echo $host|awk -F"," '{print $1}')
echo "------------------------------------------------"
echo "connecting to $hostname"
rsync -r localdir ${hostname}:/home/pavan/
RESULT=$?
if [ $RESULT -ne 0 ]; then
echo Login Failed
fi
done
Tuesday, 25 September 2018
Shell Script to copy ssh keys to remote Servers
echo "Enter your password: "
stty -echo
read -s SSHPASS
export SSHPASS
stty echo
for host in `cat host.txt`
do
sshpass -e ssh-copy-id -f ${host} -o StrictHostKeyChecking=no
done
SSHPASS=""