SSH no hostkey alg
When connecting to an Ubuntu 24.04 server from CentOS 6 server, i got error “no hostkey alg” To fix this error, edit…
ssh
How to change the SSH Port in Linux
By default SSH service runs on port 22. Running SSH service on port 22 is not secure as it can become an…
SSH Server refused our key
I got the following error when logging in to a server using SSH key authentication. Server refused our key I checked the…
Force all SSH connection through Jump Host
I want all my SSH connection go through a VPS so my IP address stay same even if my ISP changes IP.…
Stop SSH bruteforce with endlessh
Endlessh is an open source SSH trapit. It send slow random banner string to attacker, wasting their time. Before you install endlessh,…
SSH Too many authentication failures
When i ssh into a server, i get following error root@lab:~# ssh www-data@14.18.58.78 -p 3333 Received disconnect from 14.18.58.78: 2: Too many…
SSH Tunnel
If you have a server with SSH access, you can use it as sock 5 proxy or for port forwarding with just…
Disable sshd start on boot in ubuntu
On my local computer, i have installed openssh-server, but i don’t want it always enabled. To disable openssh-server from auto start on…
Email Alert When User Login Using SSH
On web servers, you may need to get email alert when someone logs in to your server using SSH. To do this…
SSH Port Forwarding
On a remote server, we have an application running on 127.0.0.1:8010. Since the application is listening on internal IP address 127.0.0.1, we…
SSH Remember Passphrase
When i connect to remote server using SSH using private key, it ask for passphrase every time. root@admin:~# ssh root@s12.serverok.in Enter passphrase…
SSH
SSH Connection Errors SSH ProxyJump (Jump Host/bastion host) SSH Errors SSH Protect SSH Configuration Options Only allow a specific user to login.…