This is script who will generate or upload ssh key to remote system
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 | #!/bin/bash # This was written only for simple usage #Valentin Hristev ### Enter username and IP(or hostname) for REMOTE machine echo -n "Enter remote username: " read USR echo -n "Remote username is set to $USR " case $usr in esac echo "" echo -n "Enter remote ip/host address: " read HOST echo -n "Remote ip/host is set to $HOST " case $usr in esac #echo -n "Default SSH port is 22 if you want to change it please open ssh_gen with your favourite text editor and change "PORT=" PORT_NUMMER" echo -n "Enter PORT: " read PORT echo -n "Remote port is $PORT " case $usr in esac echo -n "Your config is :User = $USR Host = $HOST Port = $PORT " #PORT="22" NEWKEY="yes" # Generate SSH keys RSA makekey () { if [ $NEWKEY == "yes" ]; then ssh-keygen -t rsa -f ~/.ssh/identity fi } # Check for file "authozed_keys" if file is not there create it. checkfile () { if [ -f ~/.ssh/authorized_keys ]; then touch ~/.ssh/authorized_keys fi } # Check for ".ssh" if dir is not there create it. upload () { cat ~/.ssh/identity.pub | ssh -p $PORT $USR@$HOST 'sh -c "if [ ! -d .ssh ] ; then mkdir .ssh ; chmod 700 .ssh ; fi cat - >>~/.ssh/authorized_keys && chmod 600 ~/.ssh/authorized_keys"' echo "Done..................... " } ## Main Menu press_enter () { echo "" echo -n "Press Enter to continue" read clear } selection= until [ "$selection" = "0" ]; do echo "" echo "*******PROGRAM MENU"********** echo "1 - Generate & Upload New Key" echo "2 - Upload Old Key" echo "" echo "0 - exit " echo "" echo -n "Enter choose: " read selection echo "" case $selection in 1 ) checkfile ; makekey ; upload ;; 2 ) upload ;; 0 ) exit ;; * ) echo "Please enter 1, 2 or 0"; press_enter esac done exit 0 #END |
Here is script in action
