Before we get to the tutorial on How to Flush DNS on your system, we will first cover the basics. If you are here specifically for the how-to part, go ahead and skip to the tutorial!
Today everyone is relying on the internet for even the smallest bit of information. Thus, many websites get a lot of traffic every second, and users tend to leave their traces online. Many websites and applications use cookies or JavaScript applications to store users' or visitors' details and trace their...
Nano is a Linux simple text-editor that's very user friendly. In this tutorial, we will show you how to install and use the Nano text editor . Nano will allow you to edit text files in your Linux server command line environment. There are more advanced editors such as vim and emacs for Linux OS, but Nano is straightforward and easy to use, which is why it's one of the most popular text editors for Unix systems.
Installing the Nano Text Editor
To install Nano On Debian / Ubuntu distributions...
When we want to hack a system, we need a specific exploit to take advantage of certain vulnerabilities in the operating system, service, or application. There are many exploits available in the world. Remember that there is no specific exploit that will allow you to exploit all systems. You need to find an exploit that will suit your target system. In such cases, the Exploit Database will help us.
EDB is a project of Offensive Security , which developed the Back Track and Linux kernel . This...
There are various tools and methods in Linux operating systems to edit text files. The most popular text editor tools in Linux are Vi , Nano, and VIM which is V i Im proved. In this tutorial we will guide you how to use Vi text editor in Linux environment.
You can use it to create a new file, edit an existing file, and read existing file.
Starting the vi editor
Using the following command, you can create a new file and enter the environment.
Command syntax:
or filename
for example:
vi...
OpenVAS is an open source vulnerability scanner used to perform network vulnerability tests in Linux. This scanner plays important role in penetration testing. You can handle more then one target host at a time using the OpenVAS. OpenVAS uses SQL Database to store scanning results and configurations.
Installation of OpenVAS Vulnerability Scanner
ُStep 1: Update your server
Before installing OpenVAS, run the following command to update your system:
apt-get update
Step 2: Install...
LAMP is a common web stack for web service that stands for Linux, Apache, MySQL/MariaDB and PHP and it is one of the most popular web service solutions in Linux.
In this guide, we will install a LAMP stack on a CentOS 7 server.
Notice: You must execute commands with root permission. If you don’t have root permission, you may start commands with “sudo”.
Prepare CentOS to install LAMP
Step1: set your server hostname.
Step 2: Update you Linux date and time. You can use...
FreeBSD is a Unix like operating system that has attracted popularity among people. This OS is light which makes it a great choice for hosting aims. In this tutorial we will help you install FAMP stack on FreeBSD. This stack installation helps you to make your FreeBSD as a web server.
FAMP is an acronym that stands for FreeBSD , Apache ,MySQL ,and PHP that we will install all these options on FreeBSD OS.
Notice: In this tutorial we have used a raw FreeBSD to prevent software...
A 502 error, which is most commonly referred to as “Bad Gateway Error” is generally caused due to timeout of PHP request. A gateway is an access point or bridge that establishes a connection between two services. In order to prevent this error, you need to adjust some server settings i.e. you can increase “Execution Limit” from server settings, by following this article.
How To Fix 502 Bad Gateway Error on Nginx
Method 1. Changes in Nginx Config
#nano...
CloudLinux is a linux based operating system which is essentially a set of kernel modifications to the Linux distribution that implements features to enable system administrators to take fine grained control of their server’s resource use, isolating users so that problems with one account don’t degrade the service for others. Cloud linux virtualizes user accounts called as LVE ( LightWeight Virtual Environment ). Each LVE is allocated with a certain amount of resources. If a...
Normally we will set the hostname of a system during the installation process. Many people don’t care about this, and don’t change the hostname even if for example this was set to something by the datacenter that installed the system. For me, it is important to see on each one of the ssh screens I will have open at any time a different hostname that is relevant and will give me quickly the information on what system I am logged in.
Change the hostname on a running system
On...
