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NTP setup is mandatory to keep all the servers in your organization in-sync with an accurate time to perform time based jobs.

We’ll be installing LAM on the same server we installed OpenLDAP, so make sure you’ve walked through the process from the previous article. With that taken care of, let’s get LAM up and running, so you can more easily add users to your LDAP directory tree.

About a year ago, I wrote about measuring air quality using a Raspberry Pi and a cheap sensor. We've been using this project in our school and privately for a few years now. However, it has one disadvantage: It is not portable because it depends on a WLAN network or a wired network connection to work. You can't even access the sensor's measurements if the Raspberry Pi and the smartphone or computer are not on the same network.

Learn how to print the time a command took to execute. Take a dive deep into the differences between the time shell keyword and the time binary executable. We also use experimentation to demonstrate the pros and cons of each.

MySQL replication is a process that allows data from one database server to be automatically copied to one or more servers.

One binary to rule them all. Mozilla this week announced a project called WASI (WebAssembly System Interface) to standardize how WebAssembly code interacts with operating systems. If the project succeeds, it will do what Oracle's Java Virtual Machine does, but better and more broadly.…

Wireshark is free & Open source network packet analyzer that is used for network analysis, troubleshooting, etc. Wireshark is a cross-platform software that is available for various Linux/UNIX distributions, Mac-OS, Solaris, BSD & Windows, etc. It uses GTK to implement user interface & captures packets using PCAP.

WhiteSource review of programming language security errors reveal which languages have the most security holes. The winner? C. But that's only the start of the story.

Elasticsearch is an open source distributed full-text search and analytics engine. It supports RESTful operations and allows you to store, search, and analyze big volumes of data in real time. Elasticsearch is one of the most popular search engines powering applications that have complex search requirements such as big e-commerce stores and analytic applications. This tutorial explains how to install Elasticsearch on CentOS 7.

In this week's edition of our open source news roundup, we take a look at a 3D-print system for optical cardiography, Carnegie Mellon's Digital Learning Tools, Apache Software Foundation's 20th anniversary, and more.

I spend a lot of time doing research for my books and Opensource.com articles. Sometimes this leads me to discover bugs in the software I use, including Fedora and the Linux kernel. As a long-time Linux user and sysadmin, I have benefited greatly from GNU/Linux, and I like to give back. I am not a C language programmer, so I don't create fixes and submit them with bug reports, as some people do. But a way I can return some value to the Linux community is by reporting bugs. read more

The Apache Software Foundation is celebrating its 20th anniversary, as it continues to help develop and promote open-source software that underpins much of the internet.

On DL114 - Ryan Interviewed, Solus 4, Mate 1.22, Nvidia buys Mellanox, Jetson Nano, Firefox 66, Openshot, OpenXR, Google Stadia, Linux Gaming News plus our Tips, Tricks and Software Spotlight picks!.

LUKS is the native encryption option on Linux systems, and unlike many other encryption solutions, you can change your LUKS encryption passprase. Learn how.

The Australian government's open data portal has a surprisingly large amount of data on dogs and cats. In this post I look at five of the datasets with command-line tools.

Concatenating Strings in Bash Script is one of the easiest operations. Concatenating string means appending one string to another and creating a new string. This string joining operation used more often in Bash Script.

The abject amorality/immorality and the loss of direction at the Linux Foundation — a subject which attracted several media responses earlier this month — can be traced back to personal interests; like in rogue charities, those who nowadays manage the Linux Foundation become millionaires by compromising the integrity of the entities they’re entrusted to maintain

Another serious security hole in the Magneto e-commerce platform

News briefs for March 29, 2019.

Having the right access control in place for authorized systems and individuals is a critical part of any modern computing platform. When Cruise Automation didn't quite get the all the capabilities it needed from within the open-source Kubernetes project, it went out and built its' own open-source project to fill the gap.