and I have installed ubuntu 14.04(64bit). Atom E3800 has one PCU uart which is default for GPIO not for uart. and 2 high speed uarts. the other 2 high speed work well. The PCU uart connects to ser1 (J21) in carrier board. I tried to enable it as...
These steps showing you how to enable SSH should work for almost every version of Ubuntu (Including 18.04 and 20.04).OpenSSHhas been the standard for providing SSH since 1999. Enabling SSH on Ubuntu In this section, we will show you the straightforward steps to enable SSH on your Ubuntu dev...
In this tutorial, we will show you how to enable HTTPS protocol with Apache2 on our managed Ubuntu VPS. By default, if you install Apache on your Ubuntu 20.04 server, it will create an apache virtual host for your server’s hostname, and it only listens on the non-secure port (HTTP/...
With Ubuntu, UFW comes pre-installed, but in Debian, we need to install the package. Runapt install ufwto get started. By default, UFW is disabled. We can confirm this by running the commandufw status.To enable the firewall, we’ll type inufw enable. 1 2 3 4 5 6 7 8 9 10 11...
Root login is disabled, if the PermitRootLogin directive is commented out (# in front) or its value is not set to yes. If you want to enable ssh root login, do the following steps with root privileges: Open the/etc/ssh/sshd_config: ...
To connect to your home Ubuntu machine over the Internet you will need to know your public IP Address and to configure your router to accept data on port 22 and send it to the Ubuntu system where the SSH is running. To determine the public IP address of the machine you’re trying to ...
If you’re an Ubuntu user, you can easily enable fingerprint login using the built-in fingerprint scanner on your laptop or an external fingerprint scanner. In this guide, we’ll show you step-by-step how to enable fingerprint login on Ubuntu using the fprintd and libpam-fprintd packages....
In a previous article, we discussedhow to enable port knocking through a specially designed port knocking service. In this article, we will discuss an alternative method of configuring port knocking. This method does not rely on an external application to alter the firewall rules. Ins...
How to Permanently Open a Port in Linux Once you’ve tested your open port and made sure it’s working, you’ll probably want to make the change permanent. Otherwise, the changes may not stick around after a reboot. If you’re an Ubuntu user, or otherwise use theufwfirewall, you don...
UFW lets administrators manage network services on Ubuntu systems by opening and closing ports. Instead of specifying the port, they can enter the service name. For example, HTTP transmissions use port 80, while HTTPS connections require port 443. If you want to enable HTTP connections, run the...