During the past 20 years, there has been a growing sense of inadequacy about the "command and control" model for managing IT systems. Years in front of the television with a remote control have left us hard pressed to think of any other way of making machines work for us. more>> […]
Please send information about releases of Linux-related products to firstname.lastname@example.org or New Products c/o Linux Journal, PO Box 980985, Houston, TX 77098. Submissions are edited for length and content.
Back when I started to use the Internet in 1988, there was a simple way to get answers to your technical questions. You would go onto "Netnews", also known as Usenet, and you would post your question to one of the forums. There were forums, or "newsgroups", on nearly every possible topic, from programming languages to religions to humor. […]
I was chatting with a Windows-using friend recently, and he wanted to try Linux on one of his older computers. I always like those sorts of conversations, and so I kept chatting, walking him through setting up Unetbootin to create a USB installer and so on and so on. Unfortunately, he wasn't able to get the USB drive to boot. more>> […]
Organizations supporting Linux operating systems commonly have a need to build customized software to add or replace packages on production systems. This need comes from timing and policy differences between customers and the upstream distribution maintainers. more>>
In the September 2014 issue, I mentioned my new router, and I got a lot of e-mail messages asking about how well it works. I can say without hesitation it's the nicest router I've ever owned. And, it was less than $100! more>>
How many times you have been hit by unit tests failing because of environment differences between you and other team members? How easy is it to build your project and have it ready for development? Vagrant provides a method for creating repeatable development environments across a range of operating systems for solving these problems. more>> […]
In the past, I've covered various astronomy packages that help you explore the universe of deep space. But, space starts a lot closer to home. It actually begins a few hundred miles above your head. There are lots of things in orbit right above you. more>>
Sometimes, when the clock hits 3:00am, and you've been in the server room since 9 o'clock the previous day, you start to get a little batty. That's the only explanation I have for programs like cowsay in Linux. Still, I'm glad they're there, because life wouldn't be nearly as fun without them. Here's a quick list of silly L […]
SUSE and MariaDB (the company formerly known as SkySQL!) officially teamed up today, joining forces with IBM Power Systems, in a partnership that promises to expand the Linux application ecosystem. According to sources at SUSE, customers will now be able to run a wider variety of applications on Power8, increasing both flexibility and choice while working wi […]
I run a multi-user system. Most users access resources using ssh client. How to stop leaking process information to all users on Linux operating systems? How do I prevent users from seeing processes that do not belong to them on a Debian/Ubuntu/RHEL/CentOS Linux server?Read answer to: "Linux: Hide Processes From Other Users"
I recently installed CentOS Linux version 7 or Red Hat Enterprise Linux version 7. How can I restart networking service using command line options? How can I start / stop and restart networking service on a CentOS/RHEL 7 based system?Read answer to: "CentOS / RHEL 7 Restart / Stop / Start Networking Command"
How can I analyze line rate taking log file as input on a Linux system? How do I find the IP flooding my Apache/Nginx/Lighttpd web-server on a Debian or Ubuntu Linux?Read answer to: "Linux / Unix logtop: Realtime Log Line Rate Analyser"
How do I install the extra repositories such as Fedora EPEL repo on a Red Hat Enterprise Linux server version 7.x or CentOS Linux server version 7.x?Read answer to: "Install EPEL Repo on a CentOS and RHEL 7.x"
I have created/launched Amazon Machine Image (AMI) instance powered by a CentOS/RHEL/Red Hat Enterprise Linux. How can I connect to my instance using OpenSSH Linux/Unix/OSX ssh client?Read answer to: "Connect To Amazon AWS EC2 Instance From a CentOS / RHEL Using SSH Client"
How do I install gnu gcc compiler and related tools such as autoconf, automake, flex, c++ compiler, and bison on a CentOS 7 or Red Hat Enterprise Linux version 7 server?Read answer to: "CentOS / RHEL 7: Install GCC (C and C++ Compiler) and Development Tools"
I'm installing FreeBSD 10 Xorg and xfce4 desktop. But, getting the following error: (EE) Failed to load module "fbdev" (module does not exist, 0) How do I fix this problem on FreeBSD 10 amd64 based system?Read answer to: "FreeBSD: (EE) Failed to load module “fbdev” (module does not exist, 0) Error and Solution"
I am a new Ubuntu Linux and bash shell user. I also know how to redirect output from display/screen to a file using the following syntax: cmd > file ls > file However, some time errors are displayed on screen. How do I store and redirect output from the computer screen to a file on a Linux or Unix-like systems?Read answer to: "Linux Redirect Error […]
I know keeping a FreeBSD server up to date is a very important. How can I apply binary system patches and updates to a new installation of FreeBSD 10 server?Read answer to: "FreeBSD 10: Apply Binary Updates To Keep Base System Up To Date"
I am new Red Hat Enterprise Linux version 7 user/sysadmin/developer. This version made the big number change for RHEL 7/CentOS 7. How can I install LAMP (Linux, Apache, MariaDB, PHP) stack on a RHEL version 7 or CentOS Linux version 7 using CLI or over ssh based session?Read answer to: "CentOS and RHEL 7: Install Linux, Apache, MariaDB, PHP (LAMP) Stack […]