Fix FirewallD in CentOS 7
by Danila Vershinin, November 17, 2019
Here’s how to fix the FirewallD startup problem in CentOS 7. A permanent fix, not a half solution!
Read More...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 […]
Read More...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 […]
Read More...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!
Read More...FirewallD and trusted IP addresses
by Danila Vershinin, July 10, 2019
How to whitelist IP addresses in FirewallD like a PRO
Read More...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, […]
Read More...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.
Read More...RHEL 8 machine as AirPlay receiver
by Danila Vershinin,
How to use RHEL 8 machine as Airplay target
Read More...Compiling PSOL for packaging. First steps.
by Danila Vershinin, June 16, 2019
CentOS 7 build system. libstdc++-static must be installed Based on: https://www.modpagespeed.com/doc/build_mod_pagespeed_from_source mkdir -p ~/bin cd ~/bin git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git export PATH=$PATH:~/bin/depot_tools git clone -b latest-stable –recursive https://github.com/apache/incubator-pagespeed-mod.git cd incubator-pagespeed-mod python build/gyp_chromium –depth=. make BUILDTYPE=Release mod_pagespeed_test pagespeed_automatic_test Build and generate PSOL archive: install/build_psol.sh
Read More...NGINX vs PHP-FPM: No input file specified
by Danila Vershinin,
NGINX vs PHP-FPM: No input file specified. Or how to deal with 404s of missing PHP scripts
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