How to Install and Update OpenSSL on CentOS 6 / CentOS 7

I have CentOS 6 server and still running with OpenSSL 1.0.1e (openssl-1.0.1e-30) that vulnerable to a remote attacker to access parts of memory on systems using vulnerable versions of OpenSSL. OpenSSL is a library that provides cryptographic functionality, specifically SSL/TLS for popular applications such as secure web servers (nginx web server, Apache web server) and […]

How to Use Fail2ban to Stop/Prevent SSH Brute Force on Linux

Brute-force break-in attempts are quite frequent against the SSH server. However, there is an open source software that can help you deal with this problem automatically, namely fail2ban. Fail2ban provides a way to protect private virtual server( VPS ) from malicious behavior by intruders or hackers automatically. This program works by scanning through log files […]

How to Grant a New User to Root Privileges on CentOS 6 / CentOS 7

One recommended way to manage virtual private server (VPS) or a dedicated linux server is not using the root account as the main access for SSH login. This is because usually the hackers will try to brute force your root password and potentially get access to your server. Instead of using the default root account, […]

How to Secure your MySQL On VPS or Dedicated Server

Running a WordPress on a Virtual private Server or dedicated server is not an easy as running a WordPress on shared hosting server. There are a few things need to install and configure. Basically you will need web server(Apache, Nginx or Lighttpd) and database server(MySQL). The most popular database for WordPress platform is MySQL. Installation […]

Securing and Hardening Linux Dedicated Server

When we hosted the linux dedicated server or virtual private server(VPS) in a data center, security of the system is very important in order to ensure the data and the information are safe from the hackers. Securing and hardening linux dedicated server is mandatory when nearly every computing resources and the application systems is online […]

9 Steps to Setup Dedicated Server for your Website

There are different types of hosting services are used in the computer technology such as shared hosting, VPS (Virtual Private Server) and Dedicated Server hosting. For new websites with low numbers of visitors, I would highly recommend getting a shared hosting. If you need more control of the server, then you should moving from shared […]

How to Setup Lynis Linux Auditing Tool on CentOS 6.2/CentOS 6.3

Lynis is a free and open source auditing tool for Unix-based operating system. It will provide report and makes suggestion after it scans the system and detect general system information, installed packages, configuration errors and security issues.┬áLynis aims in assisting automated auditing, software patch management, vulnerability and malware scanning of Unix based systems. Follow this […]

How to Install and Configure Iptables Firewall on CentOS 6.3

This post covers the steps to install and configure iptables on linux CentOS 6.3 server. Iptables is a packet filtering firewall package in linux. It used to set up, maintain, and inspect the tables of IP packet filter rules in the Linux kernel. Iptables interfaces to the Linux netfilter module to perform filtering of network […]

How to Install Wireshark on CentOS 6.3

Wireshark is a free and open-source network packet analyzer that will help to capture network packets and tries to display that packet data as detailed as possible. This post will covers the quick step to install wireshark on linux CentOS 6.3. [root@centos63 ~]# yum install wireshark -y [root@centos63 ~]# yum install wireshark -y Loaded plugins: […]

How to Check and Disable SELinux on CentOS 6.3

Security-Enhanced Linux (SELinux) is a Linux feature that provides security mechanism for supporting access control security policies implemented in the kernel. SELinux checking for allowed operations after standard Linux discretionary access controls are checked. In this post i will shows on how to check SELinux status and disables SELinux on linux CentOS 6.3. 1. How […]

How to Configure and Create Apache httpd VirtualHost on Fedora 16

In this post, i will show on how to configure apache httpd and create VirtualHost on linux Fedora 16 server. Assumed that you already install apache httpd server. 1. Modify httpd.conf as below : [root@fedora16 ~]# vim /etc/httpd/conf/httpd.conf Update Admin’s address : ServerAdmin root@fedora16.ehowstuff.local Uncomment the serverName as below : ServerName fedora16.ehowstuff.local:80 Add file name […]

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