Linux Tutorial

See installed programs

To see the programs installed on our Ubuntu operating system. Just use the command below. Thus, we will see the full name of the program we will uninstall and we will not make a wrong mistake when uninstalling.

dpkg --get-selections | grep gns3

Uninstall a program via the command line

You can uninstall the program via the command line using the apt-get command. To do this, we first open the terminal command line. And in the Terminal:

GNS3 is a platform that allows you to create a simulation of a lab environment in a virtual environment without the need to interact directly with network equipment. Thanks to the graphic interface, users can establish a real network structure and make the necessary test studies. GNS3 can run on Windows, Linux, and MAcOSx.

GNS3 software is freeware. It allows you to test the products of many manufacturers. For network devices such as Cisco, Huawei, Mikrotik, etc.

We often encounter Centos 7 cloning problem via Vmware, we can solve the problem by following the steps below to solve this.

Step1: First, you go to the ethernet configuration file.

nano /etc/sysconfig/network-scripts/ifcfg-ens160

Step2: Let’s add the line below. Replace the existing MAC with your desired MAC Address.

MACADDR=00:00:00:00:00:00

#UID Turns Off

Step3: Save the configuration file.

Step4: Restart the networking process.

/etc/init.d/network restart

I hope it was a useful article.

Google Chrome Setup

Let’s do step by step how to install google chrome from the command line terminal in Ubuntu. As a shortcut, open the terminal window with Ctrl + Alt + T command. Next, let’s install the following code according to whether our operating system is 32-bit or 64-bit.

Code to be used for the 32-bit operating system;

wget https://dl.google.com/linux/direct/google-chrome-stable_current_i386.deb

Code to be used for those with operating system 64-bit;
I will install it because my operating system is 64-bit.

SSH (Secure Shell) is a protocol that enables access to devices or servers in another presentation on the network such as Telnet and rlogin. Telnet and rloginprovide connections without encrypting connections, including user passwords, while SSH encrypts all connections with a strong crypto method. For this reason, it is the most preferred method.

In this article, we will see how to install SSH on a machine running Ubuntu operating system.