Stock CentOS kernel in OVH


by Danila Vershinin, January 28, 2020

OVH is a great dedicated hosting platform. Their kernels are not so great sometimes

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Configure IKEV2 (Strongswan) VPN client in CentOS/RHEL 8 (Gnome GUI)


by Danila Vershinin, December 8, 2019

How to configure a Strongswan (IKEV2) client VPN connection in CentOS/RHEL 8

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DNS caching and beyond, in CentOS/RHEL 7 and 8


by Danila Vershinin, July 21, 2019

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

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50k+ packages for CentOS/RHEL 8, even before EPEL is up


by Danila Vershinin, June 19, 2019

How to access 50K+ extra packages in RedHat Enterprise Linux 8 even before EPEL of CentOS 8 release.

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Where compilation went wrong…


by Danila Vershinin, June 13, 2019

How compilation can go wrong when you neglect some details. Battle of compilation vs packaged NGINX installations.

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How to install latest stable NGINX on CentOS/RHEL 8 properly


by Danila Vershinin,

How to install latest stable NGINX in CentOS 8 or RHEL 8 based distributions, using prebuilt packages

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Magento, PayPal, libcurl and RedHat = crazy together


by Danila Vershinin, May 16, 2019

How a bad warning can be misleading and corrupt systems

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Install MySQLTuner in CentOS/RHEL


by Danila Vershinin, March 20, 2019

How to install MySQLTuner in CentOS/RHEL 7 to help with tuning MySQL server instances

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MozJPEG as drop-in replacement for libjpeg in CentOS/RHEL and Amazon Linux


by Danila Vershinin, March 10, 2019

How to use the more efficient JPEG encoder, MozJPEG, instead of the default, on CentOS/RHEL and Amazon Linux systems

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Fixing NGINX Amplify’s failure after reboot


by Danila Vershinin, February 10, 2019

Fix NGINX Amplify’s agent failure to start at boot time or after every reboot. Easy guide.

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