In the world of web servers, NginX has emerged as a robust, high-performance option, powering some of the most trafficked sites on the internet. It’s praised for its scalability and its myriad of features, which allow for fine-tuned optimization. One such feature is the sendfile directive, a parameter within NginX’s configuration that can significantly affect… Read more »
Zabbix Ubuntu: zabbix-agent : Depends: libssl1.1 (>= 1.1.1) but 1.1.0g-2ubuntu4 is to be installed
Wednesday, August 2, 2023
If you’re ever tried to install the Zabbix agent on a Linux server and gotten an error like this, you’re in the right place to find help: $ apt install zabbix-agent Reading package lists… Done Building dependency tree Reading state information… Done Some packages could not be installed. This may mean that you have requested… Read more »
What is CPU Steal Time Under Linux, How To Measure it, And How To Keep Your Cloud Provider Honest!
Monday, July 10, 2023
What is CPU Steal Time? In Linux, CPU steal time refers to the amount of time a virtual CPU waits for a real CPU while the hypervisor is servicing another virtual processor. This measurement is often seen in virtualized environments like AWS, Azure, or Google Cloud. In simpler terms, ‘steal time’ is time that a… Read more »
Rocky Linux Makes a Comeback as a CentOS Alternative
Friday, December 3, 2021
Rocky Linux Makes a Comeback as a CentOS Alternative With CentOS 8 upgrades and support set to be discontinued at the end of December 2021, current users are seeking alternatives. Fortunately, there’s an excellent solution that will fill the CentOS-sized hole in your heart; Rocky Linux! Let’s go through some of the reasons why our… Read more »
What is Linux? Open Source 101 with A-Team Systems
Wednesday, September 15, 2021
What is Linux? Open Source 101 with A-Team Systems If you’re new to open source software, you’ve probably wondered “What is Linux?” There’s quite a bit to know and it takes years to fully understand. So we decided it would be a good idea for us to take some time to create an intro to… Read more »
FreeBSD vs Linux: Which Open Source OS is Superior?
Wednesday, September 1, 2021
FreeBSD vs Linux: Which Open Source OS is Superior? FreeBSD vs Linux, which is superior? The answer isn’t so simple. Both have their strengths and weaknesses and the solution isn’t one-size-fits-all. Our experts at A-Team Systems have decades of experience working with both. So, we’re going to lay out the advantages and disadvantages to help… Read more »
Dedicated and Cloud Hosting Comparison: AWS, Azure, Google Cloud, Vultr, LiquidWeb
Sunday, September 6, 2020
A-Team Systems works with dozens of different hosting providers in almost every environment conceivable. In a unique way this broad experience has given our engineers an inherent “gut feeling” on the performance of these providers and how they compare to each other. The primary goal of this benchmark and hosting review is to replace that… Read more »
Convert RedHat to CentOS And Save Money Today!
Thursday, July 25, 2019
Discussing how to convert RedHat to CentOS has been an increasingly common topic with IBM’s acquisition of RedHat. Many organizations are reviewing their RedHat agreements and asking themselves what they get from their RedHat licensing and support dollars. RHEL resellers are also concerned that their biggest competitor and RedHat reseller (IBM) is now in complete… Read more »
PHP-FPM Chroot “security library: invalid algorithm”
Thursday, October 18, 2018
After an OS update on one of our client servers we witnessed a perplexing error in their chrooted PHP-FPM environment: security library: invalid algorithm This is produced when the chroot’s libraries were out of sync with the base system, in our case updating usr/lib64 fixed it. A simple fix but took a significant amount of… Read more »
SOLVED: Can’t Connect to Linux Server Behind NAT From Linux/FreeBSD But Can From Windows
Friday, November 17, 2017
Strange networking behavior while trying to access a Linux server via NAT? Does it work from one computer but not another? We may have the solution! We recently ran across a situation where a Linux server was behind NAT (for VPN purposes), and we could access it just fine from a Windows 10 computer, however… Read more »