Taken from here: https://stackoverflow.com/questions/60884217/openssh-ssh-2-private-key-old-pem-format-on-azure-linux-vm You’ve used ssh-keygen to create a private key file called id_rsa.ppk. However this is an OpenSSH-format private key and needs to be converted to Putty’s own format to use in Putty. Your options are:
Check if SSH Agent is running eval “$(ssh-agent -s)” Add the Keys to SSH Agent ssh-add ~/.ssh/nameofkey Verify Keys Added to SSH Agent ssh-add -l Copy Key to Remote Server ssh-copy-id [email protected] Copy Server Key to Host ssh-copy-id [email protected] If you see a warning “Permission 0664 for ‘key_id’ are too open”, do this: chmod og-rw … Read more
https://linuxhint.com/enable_ssh_kali_linux/
If you get “SSH handshake failed” when trying to use Guacamole to connect to Ubuntu via SSH, you need to use a workaround: In the meantime a workaround is adding “HostKeyAlgorithms +ssh-rsa” to the end of /etc/ssh/sshd_config on the Ubuntu machine and restart sshd. Note: I don’t have an understanding of the security implications of … Read more
Original: https://askubuntu.com/questions/179889/how-do-i-set-up-an-email-alert-when-a-ssh-login-is-successful Since the sshrc method doesn’t work if the user has their own ~/.ssh/rc file, I’ll explain how to do this with pam_exec as @adosaiguas suggested. The good thing is that this can also be easily adapted to login types other than ssh (such as local logins or even all logins) by hooking into a different file in /etc/pam.d/. First you need to … Read more
# failed attempt grep sshd.\*Failed /var/log/auth.log | less # successful attempts grep sshd.\*Accepted /var/log/auth.log | less
Step 1. Connect to ESXi console and press the Alt+F1 key combination. Step 2. Type unsupported and then press . Note that nothing will appear on the screen whilst you type this. Step 3. When prompted enter in the Root password and press. Step 4. You will now be presented with a prompt on the … Read more