Introduction A Linux host running rsyslog can send all or individual logs to another rsyslog host over a TCP or UDP connection. This is necessary to preserve the integrity of the log files if the host is ever compromised or provide a centralized location ...

Introduction SSH can handle authentication using a traditional username and password combination or by using a public and private key pair. The SSH key pair establishes trust between the client and server, thereby removing the need for a password during ...

Introduction Git is a release/version control system which has become an indispensable part of the programming process. It is a system that allows us to store and manage our projects remotely via the internet. This is safer than keeping project code ...

The grep utility provides users of most Unix-like operating systems with a tool to search and filter text using a common regular expression syntax. Indeed, grep is so ubiquitous that the verb “to grep” has emerged as a synonym for “to search.” grep is an ideal ...

Introduction to WinSCP WinSCP is an open-source, free sftp and ftp client for Windows. Its main function is safe copying and transfer of files between local and remote computers. In this article we’ll talk about how to securely transfer files ...

tep 1Download a CentOS 6 VM from http://virtual-machine.org/. Step 2Download the latest Greenplum binaries for RedHat Enterprise Linux 6 from http://network.pivotal.io Hits: 19 Hits: 19

Prior to making direct edits to the firewall configuration file or changing advanced firewall settings in WHM, a backup of the current configuration should be taken so that the settings can quickly and easily be reverted if needed. Pre-Flight Check ...

Environment Issue Resolution Note: Downgrading a system to minor version (ex: RHEL6.1 to RHEL6.0) is not recommended as this might leave the system in broken state where libgcc and other libraries won’t rollback as expected. Use the history option for small ...

MySQL Master-Master Replication This article is about setting up MySQL Master-Master database replication between two Cloud Servers. Master-Master data replication allows for replicated data, stored on multiple computers, to be updated by any authorized contributing member of the group. This ...

Introduction Elasticsearch is an efficient “distributed restful search and analytics” service built on top of Apache Lucene. Individual indices store JSON documents that can be accessed and managed through a REST API and produce fast search results. It helps to ...