CentOS/RHEL 8 as your developer machine. Utilizing 64GB of RAM for performance

by Danila Vershinin, November 9, 2019

Leveraging 64 GB of RAM on your developer CentOS/RHEL 8 machine


SwissUpLabs themes and plugins for Magento 2? Stay away

by Danila Vershinin, November 2, 2019

Slow Magento 2 website? Check if you run the Argento theme by Swissup Labs and get rid of it.


Protect your signup forms from SPAM with NGINX and CleanTalk

by Danila Vershinin, September 6, 2019

Suppose you’re running Mautic on CentOS 7 machine. You’ve created a signup form and placed it on the front page of your website. The form is very simple: an input for an email address and Subscribe button. Bots are hitting it hard. They submit email addresses to your form, your database of subscribers have lots […]


NGINX and phpMyAdmin. When you have to…

by Danila Vershinin, August 18, 2019

The phpMyAdmin is the famous web client for MySQL databases. However, being an open-source product, it is subject to security vulnerabilities. The best thing is not using it at all. All the modern MySQL GUI clients support connecting via SSH tunneling. So you don’t have to open MYSQL port for outside. Neither you expose the […]


Boeing’s messy corporate website gives you a clue about the level of IT expertise… vs Airbus?

by Danila Vershinin, July 28, 2019

It appears that the Boeng corporate website is developed and maintained by low paid engineers from India, too.


DNS caching and beyond, in CentOS/RHEL and Fedora

by Danila Vershinin, July 21, 2019

Make use of DNS caching on your CentOS/RHEL 7/8 to speed up your server even faster!


FirewallD and trusted IP addresses

by Danila Vershinin, July 10, 2019

How to whitelist IP addresses in FirewallD like a PRO


How to install Viber in CentOS/RHEL 8

by Danila Vershinin, July 5, 2019

How to install Viber in CentOS/RHEL 8


How to install VirtualBox in CentOS/RHEL 8

by Danila Vershinin, June 22, 2019

1. Install Fedora repos sudo dnf -y install https://extras.getpagespeed.com/release-latest.rpm sudo dnf install fed2el-release 2. Install Virtualbox (from upstream Fedora 28 repos) sudo dnfplus install VirtualBox 3. Install kernel-abi-whitelists sudo dnf install kernel-abi-whitelists 4. Build necessary modules akmods; systemctl restart systemd-modules-load.service 5. Rebuild modules automatically You can enable service to automatically rebuild VirtualBox required kernel modules, […]


How to enable Intel hardware acceleration for video playback in CentOS/RHEL 8

by Danila Vershinin, June 21, 2019

Performance doesn’t end in fast loading websites. How to leverage Intel hardware video acceleration for playing those dreamy 4K Youtube videos.