Blog

22 Nov
2018
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Error rpmdb open failed on running yum update

Facing issues when updating packages on RHEL System? Error logs similar to below log that we encountered on one of our CentOS systems. error: db5 error(11) from dbenv->open: Resource temporarily unavailable error: cannot open Packages index using db5 – Resource temporarily unavailable (11) error: cannot open Packages database in /var/lib/rpm CRITICAL:yum.main: Error: rpmdb open failed […]

08 Aug
2018
ColorHosting BaseZap

Guide to Open And Close Ports on CentOS 6/7

Looking for commands to Open and Close ports on your Linux Machine? It is very easy and needs no expert knowledge. This small guide will show you how you can open and close ports on CentOS 6/7. Let’s start how we can open and close ports on your Linux Server with CentOS 6/7. Requirements Root […]

12 Jun
2018
ColorHosting BaseZap

Guide to Setup Railgun Listener on CentOS 6/7 Web Server

Railgun is a WAN optimization technology developed by Cloudflare and is available to Cloudflare Business and Enterprise customers, as well as Optimized Partners. Railgun requires a piece of software called the Railgun Listener to be installed on your web server’s network. Railgun is a single daemon that runs on a 64-bit system which uses alternative compression […]

20 Apr
2018
ColorHosting BaseZap

Check and Change current TimeZone in CentOS 6 and CentOS 7

Wondering about TimeZone of your CentOS Machine and want to change it? Let’s follow this small guide to check and change current TimeZone in CentOS 6 and Centos 7. Requirements Root SSH Access to CentOS Machine (Root Needed to change TimeZone) Procedure Check Current Date, Time and TimeZone in CentOS 6/7 Check Date of your […]

13 Mar
2018
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Setup Virtual Hosts with Apache on Node.js CentOS Server

Hello Zappers, Do you want to host multiple Node.js Websites on the same Server with different location stored? No Problem, we have a solution for you. We will use apache to turn our server into a web server. There are small requirements for this process. Requirements CentOS Machine with ROOT Access Node.js Installed on Server. […]