PHP-FPM settings for best performance

php-fpm settings

A recurring question we get from customers is how to fine tune PHP-FPM settings. The official PHP documentation kind of lacks recommendations in this regard. So we’ve made this article explaining how you can calculate the optimal PHP-FPM settings for your server. PHP-FPM is an acronym for PHP FastCGI Process Manager, one of the most […]

Install docker & docker-compose on Oracle Linux 8

docker

By default on the new Enterprise Linux distributions, docker engine has been replaced by podman, a docker compliant engine. In order to install docker and docker-compose, you can follow this simple tutorial. Install Docker Engine To install docker engine we’ll add first the docker repository: And now we can proceed to install docker: And we […]

How to mount a VHD disk image file

qemu

Sometimes you may need to mount a VHD disk image file in order to inspect its contents or even recover specific files. On Linux you can use the QEMU Disk Network Block Device Server utility – qemu-nbd – to access disk images in different formats as if they were block devices. First, you may want […]

How To: Create a SSH Key

ssh key

In this tutorial we will explain how you create a SSH Key pair and how to use this key to authenticate on remote devices. SSH, that stands for Secure Shell, is a network protocol used to establish an encrypted connection between two devices. The SSH protocol supports either the use of a username and password […]

NSA and FBI warn about national security threat due to new Linux malware

computer security

The United States the National Security Agency (NSA) and Federal Bureau of Investigation (FBI) have taken the unusual step of publishing a joint security alert containing details about a new strain of Linux malware that the agencies claim was developed and deployed in attacks by Russian military hackers. Through their joint alert, the two agencies […]

Lenovo ThinkPad will offer Linux pre-installed

fedora lenovo

According to an announcement published by Matthew Miller, Fedora Project Leader, on the popular website Fedora Magazine, new Lenovo ThinkPad laptops with Fedora Workstation pre-installed will be available in a near future. It is a pilot of Lenovo’s Linux Community Series – Fedora Edition, that begins with ThinkPad P1 Gen2, ThinkPad P53 and ThinkPad X1 […]

28 Antivirus products affected by symlink race bugs

antivirus

According to a report published this week by security researchers from RACK911, “symlink race” vulnerabilities were found in 28 of today’s most popular antivirus software. RACK911 Labs reports how they came up with a simple method of using directory junctions (Windows) and symlinks (macOS & Linux) to exploit the most popular antivirus programs. A symlink […]

Using OpenSSL to verify SSL/TLS connections

openssl

OpenSSL is a general-purpose cryptography library and full-featured toolkit for the Transport Layer Security (TLS) and Secure Sockets Layer (SSL) protocols. It’s licensed under the Apache License 2.0, meaning that you are free to get and use it for both commercial and non-commercial purposes, subject to a few simple license conditions. Using OpenSSL to check […]

Faulty npm update crashes thousands of Linux Systems

npm

npm, a widely well-known and vastly popular package manager for the JavaScript programming language, packed with the runtime environment Node.js, that includes a command-line client (npm), packed a critical bug on it’s latest npm v5.7.0 update. This bug was found and first reported on GitHub only three hours after the update was released. According to Jared […]

CentOS 7 – Install And Configure ClamAV

clamav

Clam AntiVirus (commonly ClamAV) is a free, cross-platform and open-source antivirus software toolkit able to detect many types of malicious software, including viruses. One of its main uses is on mail servers as a server-side email virus scanner. Despite the myth, Linux operative systems do get troubled with Virus. They can take down your website, […]