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Fedora Linux OS

Fedora 33: Problem with Broadcom Wifi Device

I am using Fedora workstation as my main OS on my laptop for many years, but usually I face a problem with my wifi device when I try to update my OS or change it. So, here is a solution to fix the problem: First, you have to determine your wifi device model by this […]

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Apache CentOS Fedora Installation Linux OS RedHat Web Security

How to make Apache Web Server more secure

There are some known security issues that can make an Apache Web Server insecure. If using Apache as a web service is your approach, then you should scan your web server in first step. There are many tools to scan a web server. here we will use NIKTO. Nikto is a free tool which is […]

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CentOS Linux Oracle Linux OS RedHat

How to setup a loadbalancer with HAProxy in RedHat 7

You have many options to install and configure a loadbalancer in RedHat 7. One of the best options is HAPorxy. To setup HAProxy, you have to download related RPM file and then install it: Then, you have to make changes in config file (/etc/haproxy/haproxy.conf): in this sample we have 4 servers as below: APP1: 192.168.1.2 […]

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CentOS Fedora Installation Linux Oracle Linux OS RedHat

Add New Disk to RedHat-based Linux without reboot

If you add a new disk to your OS, you won’t find this device in the device list (fdisk -l command). So you have two options to make it available: Reboot your machine Make the OS rescan all connected devices In operational environments, the first option is not considerable. So we have to choose the […]