‘Failed to connect to bus: No such file or directory’ Error on Linux

The error ‘Could not connect to bus: No such file or directory‘ is quite common on Linux operating systems. This error can occur when managing the service through systemctl or when the computer is switched off.

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Adding a New Disk Drive to a Linux Machine

In this article, we will look at how to attach an additional hard disk to an existing Linux machine: create a partition table, format, and mount the partition with fstab. An Ubuntu virtual machine running on a VMware ESXi host is used in this example.

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How to Use Netcat (nc) Command with Examples?

Netcat (or nc) is a classic Unix networking tool that allows you to make TCP and UDP connections, receive and send data, check open ports on a remote computer, test firewall rules, etc. In this article, we will look at some typical examples of using the netcat CLI tool.

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Manage OpenVPN Server with Web GUI

By default, the command line console is used to configure and manage the OpenVPN server. For OpenVPN, there are several web interface administration panels (frontends) that allow you to perform routine operations (create users, create/revoke certificates, manage configuration files, etc.).

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