Recently, the microSD (secure digital) card in my Raspberry Pi stopped working. It had been in constant use as a server for almost two years, and this provided a good opportunity to start fresh and correct a few problems. After its initial installation, it began experiencing disk problems and the official Raspberry Pi operating system (OS) received a significant update (and was renamed from Raspbian to Raspberry Pi OS). So I acquired a new microSD card and preceded to rebuild.read more

In prior years, this annual series covered individual apps. This year, we are looking at all-in-one solutions in addition to strategies to help in 2021. Welcome to day 3 of 21 Days of Productivity in 2021.read more

In this article, we will see the steps to move objects (Transition Action) to Glacier after 10 days of creation and delete(Expirations Action) them after 365 days of creation.

Always wondered how to make use of a checksum? This introduction shows you what they mean, and how to use the proper tools to verify the integrity of a file.

There are many times when a Bash developer or user will want to run a process in the background, either from the command line or from inside a bash script, and then handle that same process again later. There are various command line tools which allow one to do so. Being able to start, manage and destroy background processes is a requirement for many more advanced level tasks, especially in the areas of advanced scripting and process control.

Learn how to copy a Docker image from one Docker Host to another Docker Host

Previously we talked about End to End Encryption, this time we will talk about Public Key vs Private Key in Cryptography. Before we start discussing their difference. We need to understand what they are and how they are used. Public and Private keys are the pair of two keys that are related to each other. These keys have a special purpose to serve, If you encrypt a packet of data with one key, that encrypted data packet can be decrypted with the other key of this pair.

Last month ProtonMail introduced the 'Undo Send' feature for its beta users. The feature is now available for both free and paid ProtonMail users.

For various reasons you may want to know in how many lines of code given open-source software is implemented. For example, you want to estimate the effort devoted to developing a particular open-source program. Or you want to gauge the size and complexity of a program before trying it.

In prior years, this annual series covered individual apps. This year, we are looking at all-in-one solutions in addition to strategies to help in 2021. Welcome to day 7 of 21 Days of Productivity in 2021. There are lots of ways people manage email. Most people I have talked to over the past few years fall into one of two categories: The people who keep everything in their Inbox folder, and those who do not. For those that do not, the concept of Inbox Zero comes into play frequently.

PostgreSQL is a free and open-source, community-driven, standard-compliant, and most popular object-relational database management system. It is used by popular IT companies like Uber, Netflix, Instagram, Spotify, etc. Recently I installed PostgreSQL and getting an error while running daemon. This is mainly because PostgreSQL not getting sufficient permission to create the folder required to store database information.

In a nutshell, an archive is a single file that contains a collection of other files and/or directories. Archive files are typically used for a transfer (locally or over the internet) or make a backup copy of a collection of files and directories which allow you to work with […]

WhatsApp has extended the date of account expiration from February 8 2021 to May 2021. They clearly said in the Tweet that no account will be deleted on February 8. They want to give some time to their users so that they can understand the new policy. Look at their Tweet below.Thank you to everyone who’s reached out. We're still working to counter any confusion by communicating directly with @WhatsApp users. No one will have their account suspended or deleted on Feb 8 and we’ll be moving back our business plans until after May

Setup Tomcat via original tar.gz ball and JDK 11 allow to deploy "war" archive been built for Web Servlet Application from http://lxer.com/module/newswire/view/295844/index.html . Thus CRUD Server side Java Apps might be moved on Debian Bullseye/sid in 3-5 minutes .

This quick guide explains the steps required to install Signal desktop in Ubuntu and Other Linux. It is available in .deb, Snap, and Flatpak package format. Take a look at how you can install it.

Comparing the skillsets of sysadmins from the "Gilded Age" of administration to those of the "Industrial Age."

In prior years, this annual series covered individual apps. This year, we are looking at all-in-one solutions in addition to strategies to help in 2021. Welcome to day 6 of 21 Days of Productivity in 2021.

Until now, users on the same Ubuntu system could access and read the files in the home directory of other users. This is changing from Ubuntu 21.04.

The ELK stack is an acronym of three popular open-source projects: Elasticsearch, Logstash, and Kibana. It is an open-source and one of the most popular log management platform that collects, processes, sem and visualizes data from multiple data sources. It is mainly used for log analysis in IT environments. It is very helpful for a system administrator to search and analyze a large volume of data to make real-time decisions-all the time.

In this guide you are going to learn how to install ionCube loader on Ubuntu or Debian and configure your PHP or PHP-FPM and PHP-CLI to use it.