Enable SSH access permission in Ubuntu to install the SSH service [plain] sudoapt-getinstallopenssh-serverUbuntu is installed by default with openssh-client, so it is not installed here. if your system is not installed, use apt-get for installation. Then confirm the sshse... install the SSH service [plain] sudo apt-get install openssh-server Ubuntu by default, if your system is not installed, use apt-get to install it. Then confirm whether the sshserver has started: [plain] ps-ef | grep ssh. if only the ssh-agent is enabled, the ssh-server is not started yet./etc/init is required. d/ssh start. if you see sshd, it indicates that the ssh-server has been started. The ssh-server configuration file is located in/etc/ssh/sshd_config. here, you can define the SSH service port. the default port is 22. you can define other port numbers, such as 222. Then restart the SSH service: [plain] sudo/etc/init. d/ssh restart
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