Logging into a remote shell is the most basic and common use of OpenSSH. This will start the service now and upon every subsequent boot. On recent versions of the above distributions enter the following to ensure that the ssh daemon is enabled and able to be connected to by clients. On Arch based system $ sudo pacman -S opensshĪfter installing the ssh server, some distributions will enable the sshd service by default and others will not. On Red Hat based systems (note: on Fedora version 22 or later replace yum with dnf) $ sudo yum install openssh-server ![]() On Debian based systems $ sudo apt-get install openssh-server Note that if you are using a firewall, be sure to open port 22 for incoming traffic on any machine that you would like to use as a server. ![]() On Debian and Red Hat based systems you will have to install the server and client separately, whereas on Arch based systems the client and server are installed as a single package (see the example below). Most distributions will provide the option to install OpenSSH during their initial install, but it can still be installed manually if this option was not chosen. $ – requires given linux commands to be executed as a regular non-privileged user # – requires given linux commands to be executed with root privileges either directly as a root user or by use of sudo command Root privileges to modify configuration files Requirements, Conventions or Software Version Usedĭebian based, Red Hat based, and Arch based systems are explicitly covered, but the OpenSSH suite is distribution-independent and all instructions should work for any distribution that uses Systemd as it’s init system. ![]() How to make the most of OpenSSH – Tips & Tricks Software requirements and conventions used Software Requirements and Linux Command Line Conventions Category
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