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How to check OpenSSH version on Linux?

Using Linux – let’s open terminal and enter ssh -v localhost or ssh -V to check the OpenSSH version which is currently installed. __________________________________________________________ $ ssh -v localhost OpenSSH_7.9p1, LibreSSL 2.7.3 debug1: Reading configuration data /etc/ssh/ssh_config debug1: /etc/ssh/ssh_config line 48: Applying options for * debug1: Connecting to localhost port 22. ssh: connect to host localhost port 22: Connection refused

Disable IPv6 in Ubuntu

Few days ago I was trying to do my first steps with Docker. I used Parallels & Ubuntu 16.04 on my computer. First of all – I wanted to start running my “Hello World” project under Apache server. I used Composer to manage project dependencies. I created a file named “composer.json”, added some dependencies and