Tutorial Category

Centos 7

  1. How To Install Locate On CentOS Server

    Introduction This how-to will show you how to install locate on a CentOS server. This command is often the easiest and fastest way to find the location of files and directories. This is very useful when you’re working on a Linux system for which you are not well acquainted. When you install mlocate, it will install the two commands locate and updatedb. It will also install a cron job that updates the database daily. Prerequisites A server running CentOS. If you do not...
  2. How to Install the latest OpenSSL 1.0.2h Version on CentOS 6/7

    latest OpenSSL is an open source project that provides a robust, commercial-grade, and full-featured toolkit for the Transport Layer Security (TLS) and Secure Sockets Layer (SSL) protocols. It is also a general-purpose cryptography library. The latest OpenSSL 1.0.2h was released on 03-rd of May 2016. If you are worried about your server security you should update the OpenSSl package to the latest version. Unfortunately all of the CentOS releases includes the out-of-date version of OpenSSL. For example:...
  3. How To install Fail2ban "service SSH" on CentOS/RHEL 7

    By Vladimir Ivanov tagged in banned,centos 7,Fail2ban,failban,host,RHEL 7,Server,ssh
    About Fail2Ban Servers do not exist in isolation, and those servers with only the most basic SSH configuration can be vulnerable to brute force attacks. fail2ban provides a way to automatically protect the server from malicious signs. The program works by scanning through log files and reacting to offending actions such as repeated failed login attempts. Install Repository Because fail2ban is not available from CentOS, we should start by downloading the EPEL repository: First, you need to enable EPEL repository on your system. rpm -Uvh http://dl.fedoraproject.org/pub/epel/7/x86_64/e/epel-release-7-1.noarch.rpm Update Once you...
  4. How To Build And Install Bitcoin On CentOS 7

    By Jack tagged in bitcoin,Build,centos 7,install,Libraries
    The following instructions show you how to configure, compile, and install Bitcoin 0.9.4 on CentOS 7. Update Your Operating System Packages The first step is to always make sure your operating system and all of it's packages are up-to-date. yum upgrade Adding EPEL Repository Bitcoin requires a few libraries that are not provided by the default CentOS package repository. We could build these libraries from source but a better option is to use EPEL. yum install http://dl.fedoraproject.org/pub/epel/7/x86_64/e/epel-release-7-5.noarch.rpm Installing Dependencies ...