Best Linux Distro 2020 (for desktop)

Are you searching for the best Linux distro (distribution) for your desktop computer or laptop? This article will help you choose the Best Linux Distro for Desktop in 2020. Note that this post does not cover Linux server distributions, but instead focuses on the best Linux desktop distros. One great way to increase your familiarity with Linux servers is […]

Could not increase number of max_open_files to more than… (Solution)

A quick solution to the warning “Could not increase number of max_open_files to more than” when starting MySQL or MariaDB. For some background read How MySQL Opens and Closes Tables. Here’s an excerpt: “The table_open_cache and max_connections system variables affect the maximum number of files the server keeps open. If you increase one or both of these […]

Enable Automatic Updates – Fedora/Red Hat/CentOS + Bonus Tip

As a reminder, Red Hat Enterprise Linux is based on Fedora Linux and CentOS is a 100% compatible rebuild of Red Hat Enterprise Linux. With that out of the way, lets move on. Linux server security is crucial to Linux server administration. Part of keeping Linux servers secure, is to install security updates shortly after they […]

Choosing the right infrastructure technology for your application

Your infrastructure is the backbone of your application; knowing what works best for the application you’re running is the first step towards an efficient application and costs which fit your budget. With an ever-growing number of new infrastructure options, it can be hard to choose the best option for your application, and it often requires […]

How to Enable Unattended Upgrades on Ubuntu/Debian

Linux server security is of critical importance to sysadmins. One central part of keeping Linux servers secure, is by installing security updates in a timely manner. Too often there are compromised servers on the internet due to pending security updates waiting for a manual update. On both Ubuntu and Debian, the unattended-upgrades package can be configured […]

How to Set Up an Nginx Certbot

If you are looking to automate the process of obtaining, installing, and updating TLS/SSL certificates on your web server, then Let’s Encrypt is a very useful tool. It is a certificate authority (CA) that comes packaged with a corresponding software client, Certbot, that will automatically install TLS/SSL certificates. This means that you can run encrypted HTTPS […]

I asked 12 APM companies about the future of APM, here’s what they said

Application Performance Monitoring (APM) first started in the late 1990s with companies such as Precise (acquired by Symantec, spun off and then acquired by Idera), Wily Technology (acquired by CA Technologies) and Mercury Interactive (acquired by HP Software Division). In the 2000s APM tools continued to be acquired by larger vendors. Then over the past decade, […]

IoT Security: 42 Top Internet of Things Security Solutions

After researching IoT security. I’ve decided to maintain a list of companies which offer IoT (internet of things) security tools and solutions. Feel free to share your solutions, feedback and tips for securing IoT devices. This list will continue to grow in the coming days, week, months and beyond. In the aftermath of the 2016 DDoS […]

Your Web Host Doesn’t Want You To Read This: Benchmark Your VPS

June 17th 2019: Added instructions for network speed test using speedtest-cli script. Oct 31st 2017: Also see this list of command line scripts. Nov 2nd 2016: Included quick dd commands to check cached vs uncached disk read performance. This article will highlight using the ‘dd’ Unix command for a quick benchmark of your Linux server or VPS. […]

“MySQL server has gone away” error – Solution(s)

MySQL server has gone away error means that MySQL server (mysqld) timed out and closed the connection. By default, MySQL will close connections after eight hours (28800 seconds) if nothing happens. However, in some cases your web host, DBA or app developer may have decreased this timeout setting, discussed below. MySQL server has gone away, can be […]