am a new Linux server user. I need to tunnel X over ssh
. I type the following command from OS X Unix terminal to login into far_away_machine (a centos server):
ssh -X -o options -A -p 22 user@centos-far-away-server
But, I am getting the following error on screen:
X11 forwarding request failed on channel 0
Last login: Sun Mar 23 15:58:51 2014 from 22.214.171.124
How do I fix “X11 forwarding request failed on channel 0″ on Linux or Unix-like systems?
recently read that SSH keys provide a secure way of logging into a Linux and Unix-based server. How do I set up SSH keys on a Linux or Unix based systems? In SSH for Linux/Unix, how do I set up public key authentication?
am a new CentOS Linux user. How do I change default sshd tcp port # 22 to 2022 on CentOS Linux version 5/6?
am a new Red Hat Enterprise Linux server sysadmin. How do I change default sshd tcp port # 22 to 3033 on RHEL v5/6? How do I modify SELinux to allow port 3033 and how do I saftly update firewall on RHEL to allow tcp port # 3033? How do I change ssh port on Redhat Linux operating system?
I’ve edited /etc/ssh/sshd_config to change the port number:
However, I’m getting an error as follows:
sshd: error: Bind to port 1255 on 192.168.1.100 failed: Permission denied
How do I change default OpenSSH port number from 22 to 1255 under RedHat Enterprise Linux server version 6 and SELinux?
How do I change Openssh welcome login message under Ubuntu Linux?