![]() ![]() We will cover this topic in some of our next Linux based tutorials. For more information on how to use scp and sftp you can read the user manual. For that reason, you can use, scp a remote file copy program, and sftp which is an interactive file transfer program very similar to FTP. The SSH protocol allows other operations like copying files between two remote hosts to be completed in an encrypted and secure way. For more information about how to log in via SSH without password using SSH keys we recommend you to read our dedicated tutorial. Key-based authentication will allow you to connect to your server via SSH without using the password of your system user. To improve security even further, it is recommended to use key-based authentication. In order for the changes to take effect, you should restart the SSH daemon. Once you make the changes you can save and close the file. You can use a port number of your choice which is not used by some other service on your CentOS VPS. By default, the SSH daemon listens on port 22 and for security reasons you can change the number to something else. The first thing you might like to change is the listening port number. mo GET YOUR VPS # nano /etc/ssh/sshd_config We are going to use nano because of its simplicity. To view and edit the configuration file you can use a text editor of your choice. # cp /etc/ssh/sshd_config /etc/ssh/sshd_config.orig Before making any changes, it is recommended to make a copy of the original configuration file so if you experience some problem you can revert the changes back the default. The default configuration file for the sshd daemon is /etc/ssh/sshd_config and most of the settings for the daemon are defined in this file. Once the packages are installed you are ready to connect to the server via SSH. If not, you will need to install them manually.įor that purpose you can use the following command: # yum install openssh openssh-server openssh-clients openssl-libs If you order a CentOS VPS Hosting with us you will have all these packages installed on your server. The openssh package requires openssl-libs to be installed on the system since it provides some very important cryptographic libraries. Configuring OpenSSH on CentOS 7 is a fairly easy task if you carefully follow the tutorial below.ĬentOS 7 provides, openssh openssh-server and openssh-clients packages. Today we are going to show you how to configure and use OpenSSH on a Linux VPS using CentOS 7 as an operating system. The login session is encrypted and very secure. This is a tutorial on How to Configure OpenSSH on CentOS 7. Secure Shell or SSH is a protocol which allows users to connect to a remote system using a client-server architecture. ![]()
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