If you want to send or receive an email, you should have a mail server. In this post, we will discuss Linux mail server and how the SMTP (Simple Mail Transfer Protocol) works as well as other mail-related protocols, like Post Office Protocol (POP) and Internet Message Access Protocol (IMAP) and the relationship between them. […]
Linux proxy server or proxy server generally is a server that saves the visited web pages for later requests, so if you try to visit the same web page or any one else, the page will be retrieved from the proxy server. This is very useful, it makes web surfing much faster and reduces the […]
Linux Samba server is one of the powerful servers that helps you to share files and printers with Windows-based PCs and other operating systems. Before we talk about Linux samba server, let’s discuss some basics. Linux/Samba/Windows Relationship To understand Linux/Samba/Windows relationship, you need to understand the relationships of the operating systems, users, and […]
The Linux virtual file system or virtual file system generally is a layer that sits on the top of your actual file system which allows the user to access different types of file systems, you can think of virtual file system as an interface between the kernel and the actual file system. That means you […]
In this tutorial, we will talk about Linux web server or Apache web server specifically and how to install it and configure it to serve you content to others. A web server is a system that manipulates requests via HTTP protocol, you request a file from the server and it responds with the requested file, […]
FTP or File Transfer Protocol is a commonly used protocol for transferring files between computers, one act as a client, the other act as a server. In this post, we will talk about the FTP server in Linux systems, specifically Very Secure FTP Daemon (vsftpd). The vsftpd program is a very popular FTP server that is used […]
The DNS (Domain Name System) is a naming system for computers, the service that does that is called DNS server which translates an IP address to a human readable address. This process is the backbone of the internet and a very important service in your server, so from that point, we will discuss DNS server […]
In this post, we will talk about Linux Syslog Server and how to manage your logs. If you want your system to be secured and hardened, you have to know what’s going on in that system, you can do that using logs. With logs, you can diagnose problems and determine the health of your system […]
Two days ago, one of the website visitors was searching on the website for LDAP and found nothing, that drives me to make a post about LDAP server, so we fill the gaps and bring the loved content to the visitors. What is LDAP? We know that Linux keeps registered users on /etc/passwd […]
In the previous post, we talked about Linux iptables firewall, and some people asked about authentication. Today we will talk about the powerful framework in Linux used for authentication which is Linux-PAM. PAM or Pluggable Authentication Modules are the management layer that sits between Linux applications and the Linux native authentication system. Linux-PAM Benefit There […]