In this tutorial, How to resolve Error: rpmdb open failed Error In CentOS. I was testing on nginx web server in Centos 7 VM Linode . Unfortu...
Remove old kernels in CentOS, RHEL and Fedora
Your system to many old kernels version. How to remove old kernels in CentOS , RHEL and Fedora . For example, I have three kernel,and to ke...
How to install aide centos
In this tutorial, How to install aide Centos. What does Aide mean AIDE is one of the most popular tools for monitoring the server chang...
After install setup Fedora 30
In this tutorial, Things to Do After Fresh Installation Fedora 30. Let do it! TO DO 1. Update your Fedora Always keep your system ...
Checks for open/closed ssh ports using nmap command
In this tutorial, How to checks all ports if they are closed or open and if the current ssh version? Using nmap command. Read man nmap page....
Zimbra FOSS Two-Factor Authentication
Two Factor Authentication for Zimbra Open Source edition. Look like Buy Now The work will consist of the following parts: A p...
Leverage browser caching for Nginx
In this tutorial, How to configure Leverage browser caching for nginx. What does Leverage browser caching mean? Page load times can be si...
New reverse proxy tool Modlishka
You can Bypass Two-Factor Authentication and Automate Phishing Attacks by New Reverse Proxy Tool call Modlishka. A Polish cybersecurity rese...
Zimbra share Tips & Tricks pdf
Zimbra guilde to see how to use? Blog zimbra share Top 15 Tips & Tricks - Happy new year. Download the guide now to see how to (with ...
Linux bin bash shell
The most popular shell in Linux? It is Linux Bash shell. The path and executable of the Bash shell is /bin/bash. /bin/bash is a binary. Sc...