Server config & optimize solutions for Linux
I noticed that there is a kernel error scrolling VMMDev: Guest Log: vbg_status_code_to_errno: Unhandled err -78 every 4 seconds. I noticed it started happening right when I started playing with the Shared Folders options on the VM VirtualBox Manager… But it didn’t stop when I set things back to their original state, so it just […]
In this blog I’ll try to explain How to install KDE Plasma Desktop on Ubuntu 20.04. To install the Plasma desktop you need to check the following things before begin: tasksel Privileged access to your Linux system as root or via the sudo command. Ubuntu 20.04 Tasksel is a Debian/Ubuntu tool that installs multiple related packages as a […]
This blog explained IP Subnetting Explained: Packet Tracer labs. Question is what is subnet? Subnet is a network within a network with which the packets travel shortest distance hierarchy and in more efficient manner. For subnet we have to divide the IP of our network to create more hosts and networks. There are three kind […]
In this blog I’ll configure two router with two switches in packet tracer. This configuration is for cisco routers and switches. Packet Tracer is a network simulator software. It simulates networking devices that are used to build CCNA practice labs. An average CCNA lab costs more than $300. A packet tracer cuts this cost by simulating all essential […]
In this post error solved installing MAAS error postgre error I’ve tried to Install MAAS from Ubuntu server ISO 16 and 17, on a physical machine but both installations stops at the last steps showing the error in the image: Choose Install Ubuntu server, then select PostgreSQL Database and OpenSSH Server in software selection. once this is done, on the […]
How do resetting the gnome panel to the initial state? The gnome–panel program provides the panels of the the GNOME desktop. The panels are the areas on the desktop that contain, among other items, the applications menu, application launchers, the notification area and the window list. Small applications called applets can also be embedded in the panels. Gnome–panel Appearance: By default, GNOME Flashback contains […]
In this blog it is explain How do I create an Ubuntu live USB using a Mac? We would encourage Mac users to download Ubuntu Desktop Edition by burning a CD. But if you prefer to use a USB stick, please follow the instructions below. Note: this procedure requires that you create an .img file from […]
[Solved] how can I set the Software Center to install software for non-root users in this blog I try to solved the error and it is solved with the following help from Ubuntu users on ask ubuntu. [Solved] How can I set the Software Center to install software for non-root users? For Kubuntu Users: Kubuntu […]
In this blog I tried to give some explanation and example of SSH password automation in Linux with sshpass. What is sshpass in linux? The sshpass utility is designed to run SSH using the keyboard-interactive password authentication mode, but in a non-interactive way. SSH uses direct TTY access to ensure that the password is indeed issued by an interactive […]
In a machine few things are really important rather than the good network connection. Some tips are here to do so is 3 ways to configure a network interface in Linux. Almost any useful work that one would want to do with a Linux system requires a network interface. Want to browse the web, watch […]
