Usually, when a client system connects to a network via WiFi or an ethernet cable, it automatically picks an IP address from the router. This is made possible through the DHCP server which auto-assigns IP addresses to clients from a pool of addresses. The drawback with DHCP is that once the DHCP lease time has
How to Solve “Sub-process /usr/bin/dpkg returned an error code (1)” In Ubuntu
It’s not uncommon to run into an issue of broken packages in Ubuntu and other Debian-based distributions. Sometimes, when you upgrade the system or install a software package, you may encounter the ‘Sub-process /usr/bin/dpkg returned an error code’ error. For example, a while back, I tried to upgrade Ubuntu 18.04 and I bumped into the
Zeit – A GUI Tool to Schedule Cron and At Jobs in Linux
Zeit is an open-source GUI tool for scheduling jobs via “crontab” and “at”. It is written in C++ and released under GPL-3.0 License. It is an easy to use tool that provides a simple interface to either schedule a one-time job or iterative jobs. Zeit also comes with an alarm and timer which uses sound
How to Monitor Ubuntu Performance Using Netdata
Netdata is a free and opensource real-time monitoring and troubleshooting tool for cloud servers, containers, applications, and on-premise IT infrastructure. It provides high granular and real-time system metrics such as CPU performance, RAM & disk utilization, and bandwidth statistics, to mention a few. Additionally, Netdata also provides interactive metric visualizations that can be accessed on
How to Install and Setup Zsh in Ubuntu 20.04
This article is about installing and configuring ZSH on Ubuntu 20.04. This step applies to all Ubuntu-based distributions. ZSH stands for Z Shell which is a shell program for Unix-like operating systems. ZSH is an extended version of Bourne Shell which incorporates some features of BASH, KSH, TSH. Zsh Features Command-line completion. History can be
How to Install OH-MY-ZSH in Ubuntu 20.04
When working with Unix-based environments our majority of time will be spent on working in a terminal. A good looking terminal will make us feel good and improves our productivity. This is where OH-MY-ZSH comes into play. OH-MY-ZSH is an open-source framework for managing ZSH configuration and is community-driven. It comes bundled with tons of
How to Install Shutter Screenshot Tool in Ubuntu 20.04
Shutter is a free and open-source, feature-rich screenshot tool for Linux based operating systems such as Ubuntu. It is available for all major GNU/Linux distributions and can be installed using the default package manager. Shutter allows you to take a screenshot of a specific area, window, or desktop/whole screen (or a specific workspace). It also
How to Setup and Manage Log Rotation Using Logrotate in Linux
One of the most interesting (and perhaps one of the most important as well) directories in a Linux system is /var/log. According to the Filesystem Hierarchy Standard, the activity of most services running in the system are written to a file inside this directory or one of its subdirectories. Such files are known as logs
How to Install Guacamole to Access Your Computers from Anywhere in Ubuntu
Apache Guacamole is a clientless open-source web-based gateway that provides remote access to servers and even client PCs via a web browser using protocols such as SSH, VNC and RDP. Apache Guacamole comprises 2 main components: Guacamole Server: This provides all the server-side and native components required by Guacamole to connect to remote desktops. Guacamole
How to Share a Local Folder with a Remote Host Running on VMWare
In this article, we are going to see how to share a local folder with a remote host running on VMWare Workstation. If you are someone wondering what VMWare Workstation is, it is a hypervisor that runs on X64 Linux and Windows operating systems providing features to run virtual machines. You might also want to