As you might expect, this week's LinuxCon and ContainerCon 2016, held in Toronto, is heavy on the benefits and pitfalls of deploying containers, but several vendors aim to come to the rescue with flexible tools to manage it all. more>>
The Future of Linux: Continuing to Inspire Innovation and Openness The first 25 years of Linux has transformed the world, not just computing, and the next 25 years will continue to see more growth in the Open Source movement, The Linux Foundation Executive Director Jim Zemlin said during the opening keynote of LinuxCon/ContainerCon in Toronto on Monday, Augu […]
The Flash Memory Summit recently wrapped up its conferences in Santa Clara, California, and only one type of Flash technology stole the show: NVMe over Fabrics (NVMeF). From the many presentations and company announcements, it was obvious NVMeF was the topic that most interested the attendees. more>> […]
Serious practitioners of data science use the full scientific method, starting with a question and a hypothesis, followed by an exploration of the data to determine whether the hypothesis holds up. more>>
Juniper Systems' new Geode rugged sub-meter GNSS (Global Navigation Satellite System) receiver collects real-time professional-grade data but is intuitive enough for novices. Designed foremost for versatility, the Geode features one-button simplicity and can be paired with any of Juniper Systems' rugged handhelds as well as a wide range of Android […]
My first Web-related job was in 1995, developing Web applications for a number of properties at Time Warner. When I first started there, we had a handful of programmers and managers handling all of the tasks. But over time, as happens in all growing companies and organizations, we started to specialize. more>> […]
In my last article, "Fancy Tricks for Changing Numberic Base", I explored the surprising ability of the Linux shell to convert numeric bases on the fly, including this sweet little snippet that converts FF hexadecimal into decimal notation: $ echo $(( 0xFF )) 255 more>>
How do I configure Postfix MTA to send eMail using an external cloud-based SMTP server (with username: password) from a web server on Linux or Unix-like system? How do I configure an Ubuntu server and postfix as the relay server (smarthost)?
I am getting the following error in my cron job log file /var/log/cron.log: Aug 22 01:59:01 server2 cron: Error: bad username; while reading /etc/cron.d/backups I have job entry as follows to run a job at 00:50 every day for root user: 50 0 * * * /etc/cron.d/backups How do I fix this problem on Linux or Unix-like system?
I am a new sysadmin and CentOS user. My system is configured to use DHCP. How can I switch from DHCP to static IP address configuration in a CentOS 7 desktop system? How do I setup a static TCP/IP address on my CentOS Linux 7 or Red Hat Enterprise Linux 7 server using command line option?
I wanted to see PCI devices information on my CentOS/RHEL 7 box. But, I'm getting an error that read as, "-bash: lspci: command not found". How do I solve this problem and see PCI devices information on CentOS/RHEL 7?