Getting the following error may be deceiving: Because you may have already installed the kernel-headers package for the current kernel and still to get the…
CentOS 7 – Dependency Resolution – Error – Requires: dkms – missing epel repository
Quick note for those not familiar with the CentOS 7 peculiarity and especially the repository peculiarity. Receiving the follwoing error: It means you need a…
Install CUDA and NVIDIA video driver under CentOS 7
Nvidia CUDA Toolkit supports CentOS 7 and it is relatively simple to install it. Nvidia provides three types of installation – a big setup file,…
nginx remote logging to UDP rsyslog server (CentOS 7)
This article will present to you all the configuration needed to remotely save access logs of an Nginx web server. All the configuration from the…
nginx proxy cache – log the upstream response server, time, cache status, connect time and more in nginx access logs
The Nginx upstream module exposes embedded variables, which we can use to log them in the Nginx access log files. Some of the variables are…
rsyslog remote logging – prevent local messages to appear
A tip for those who have a remote user server for their log files. When you set up a remote server you probably don’t want…
How to compile xmr-stak (2.10) under CentOS 7 for CPU mining cryptocurrencies in September 2019
A time to refresh our old article on how to compile xmr-stak for CPU mining with the new version and this time a new GNU…
How to install GNU GCC 8 on CentOS 7
It has been long after releasing the GNU GCC 8.x, but at last, there is a trusted repository, which has offered us packages for GNU…
Live status information like used space and more for nginx proxy cache
Using the Nginx virtual host traffic status module you can have extended live information for your proxy cache module and the proxy cache upstream servers….
root cannot delete, move or change a file – Operation not permitted or Permission denied – immutable attribute
If you are the root user and some file (files or directories) cannot be deleted, removed, renamed or changed you probably deal with the immutable…