Previously, we looked at how swap space, particularly swapping, can severely slow down Linux performance. We then tweaked Linux kernel parameters to make better use of server memory and to avoid heavy swapping. That article created some debate and good arguments for and against swap space. For example, if you have more than enough memory […]
Top Serverless Monitoring Tools + Serverless Resources
January 28, 2020 by Hayden James, in Blog LinuxTechnology continues to evolve and solutions for hosting applications continue to expand. One such method of application hosting that has been growing in popularity is Serverless Computing. What is Serverless Computing? Put simply, Serverless Computing, is a cloud-computing execution model managed by cloud providers who run the servers hosting your application. Therefore, instead of […]
100 Top Server & Application Performance Monitoring (APM) Solutions
January 14, 2020 by Hayden James, in Blog LinuxBack in September 2014, I wrote about an article that touched on the subject of server performance monitoring. After which, a reader asked me via LinkedIn: “I am using New Relic to monitor my cloud servers but need an alternative. Any suggestions?” So I wanted to share and expand on my answer to that question […]
50 Top Server & Application Performance Monitoring (APM) Solutions
January 14, 2020 by Hayden James, in Blog LinuxBack in 2014, I compiled a list of top server and application performance monitoring solutions. Sharing that list publicly was a great way to gain feedback and recommendations on other tools available. In time that list grew from 20 to over 100 server monitoring and APM solutions! Because of it’s growing size, I’ve created below, a smaller, more […]
Best Linux Distro 2020, for desktop
December 26, 2019 by Hayden James, in Blog LinuxSearching for the best Linux distro in 2020 for your desktop computer or laptop? This article will probably be most useful to those who don’t know what /etc/fstab is used for. Also, this post does not cover Linux server distributions, but instead focuses on the best Linux desktop distros (distributions). One great way to increase your familiarity with Linux servers is […]
Optimizing APM in the Cloud: A Retrospective Approach for Future Success
November 19, 2019 by Denny LeCompte, SVP and GM of Solarwinds, in Blog GuestsThe growth and maturity of the cloud has required us, as tech pros, to manage an increasingly complex web of applications spanning on-premises, hybrid, and multi-cloud environments. While this affords us greater flexibility, agility, and scalability day-to-day, these changes to how we deliver applications are making traditional monitoring techniques much more difficult (sometimes impossible), while […]
Could not increase number of max_open_files to more than… (Solution)
November 16, 2019 by Hayden James, in Blog LinuxA 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
November 14, 2019 by Hayden James, in Blog LinuxAs 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
October 30, 2019 by Jason Abate CEO of Panopta, in Blog GuestsYour 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 Create Optimized Docker Images For Production
October 23, 2019 by Adnan Rahić, in Blog GuestsOptimizing Docker images is a tricky feat. You have a lot to learn, with numerous things that can go wrong. Ask Matthew McConaughey from Interstellar. “Anything that can go wrong, will go wrong.” – Murphy, a smart dude You want to have a quick feedback loop between pushing code to your GitHub repository and deploying […]
How to Enable Unattended Upgrades on Ubuntu/Debian
September 30, 2019 by Hayden James, in BlogLinux 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 […]