On a CentOS Linux 7 server you can use any one of the following tool to manage hostnames:
If you are using Windows 10 Insider Preview (previously known as Technical Preview) in your computer, here is a good news for you.
Microsoft has released a new update Build 14328 of Windows 10 to public which comes with many bug fixes and improvements. This is the 12th Insider Preview build of Windows 10 released after the November Update build 10586 (Threshold 2). This new build also comes via new “RS1” (RedStone1) development branch. Continue reading
At last after a long wait, from today Microsoft has started rolling out Windows 10 Mobile to some selected Windows Phone 8.1 devices. In this post we will see how to upgrade Windows Phone 8.1 to Windows 10 Mobile, as the process is not like just checking for updates. Continue reading
A “LAMP” stack is a group of open source software that is typically installed together to enable a server to host dynamic websites and web apps. This term is actually an acronym which represents the Linux operating system, with the Apache web server. The site data is stored in a MySQL database (using MariaDB), and dynamic content is processed by PHP.
In this guide, we’ll get a LAMP stack installed on an CentOS 7 VPS. CentOS will fulfill our first requirement: a Linux operating system. Continue reading
So you’ve discovered that all of a sudden your server load has shot and your email inbox is getting filled up with hundreds of bounce backs. You sir may be spamming! Now if you are a spammer, this isnt really much of a shock. Continue reading
In this guide I will be explaining how to install Direct Admin on a clean installation of CentOS 5, 6 and 7. The procedure is exactly the same on all three of these operating systems and with both 32-bit and 64-bit versions. It is very important to start off with a clean installation, as the DirectAdmin installer will take care of all software components you need.
Linux Malware Detect (LMD) is a malware scanner for Linux released under the GNU GPLv2 license, that is designed around the threats faced in shared hosted environments. It uses threat data from network edge intrusion detection systems to extract malware that is actively being used in attacks and generates signatures for detection.
In addition, threat data is also derived from user submissions with the LMD checkout feature and from malware community resources. The signatures that LMD uses are MD5 file hashes and HEX pattern matches, they are also easily exported to any number of detection tools such as ClamAV. Continue reading
Rootkit Hunter (rkhunter) is a Unix-based tool that scans for rootkits, backdoors and possible local exploits. This guide explains how to install and configure RKHunter on CentOS 5,6 or 7.
Rootkits are self-hiding toolkits secretly installed by a malicious intruder to allow that user to gain access to the server. Rootkit Hunter offers protection by comparing SHA-1 hashes of important files with known good ones in a online database as well as:
In this guide I will be explaining how to install and configure SpamAssasin on a Direct Admin based server running CentOS.
SpamAssasin is used for e-mail spam filtering based on content-matching rules. SpamAssassin uses a variety of spam-detection techniques, that includes DNS-based and fuzzy-checksum-based spam detection, Bayesian filtering, external programs, blacklists and online databases.
The program can be integrated with the mail server to automatically filter all mail for a site. It can also be run by individual users on their own mailbox. SpamAssassin is highly configurable; if used as a system-wide filter it can still be configured to support per-user preferences.
Clam AntiVirus is a popular open source (GPL) anti-virus toolkit for UNIX, designed for e-mail scanning on mail gateways. It provides a flexible and scalable multi-threaded daemon, a command line scanner and it can detect Trojan horses, viruses, malware and other malicious threats. It also comes with an advanced tool for automatic database updating via the Internet.
This article will guide you through the installation and configuration of ClamAV on a DirectAdmin based web server. Continue reading