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The Complete Guide – MySQL Cluster on CentOS 7

By |2020-09-09T17:14:53-05:00September 3rd, 2020|Categories: File Sharing & Hosting, Linux System, Web Servers & Applications|Tags: , , , , , |

This guide will teach you how to setup and configure MySQL Cluster on CentOS 7 servers. We need 3 types of nodes to setup the complete cluster. They are management node, data node & SQL node. * Management node/server is used to manage other servers/nodes in the cluster, to add new node in the cluster, start/restart/delete [...]

Linux CentOS 7 – Firewall Made Easy

By |2020-08-14T03:21:46-05:00August 14th, 2020|Categories: Firewall, Linux Networking, Linux System, Network Security, Networking|Tags: , , , , , , , |

You should not work hard to manage firewall by iptables, from CentOS 7 the firewall management is very easy with firewalld command. Firewall Status First check to see the firewall status, if firewall is installed. systemctl is-active firewalld If already installed you will get the status, or else you will get an error result if not [...]

MikroTik OpenVPN – Server & Client Setup

By |2020-08-02T23:36:03-05:00July 31st, 2020|Categories: Internet, MikroTik Networking, Networking, Web Servers & Applications|Tags: , , , , , |

I live in a poor country of South Asia, when I visit Internet my network identity appearing as from a poor country. But, I want to make my home network to a rich country like USA or UK. So, I subscribed a low cost VPS ($2/month) from an UK data-center, and I'm going to use the [...]

WHMCS – Amazon SES – SMTP Error: Could not connect to SMTP host

By |2020-07-24T15:58:57-05:00July 22nd, 2020|Categories: Email & Messaging, Web Servers & Applications|Tags: , , , , , , , , , , , , , , |

Problem sending mail via Amazon SES ? Are you getting error on WHMCS after smtp configuration ? We want to use Amazon SES (Simple Email Service) smtp in our WHMCS system. But, after configuration we may get error message from WHMCS as following: Email Sending Failed SMTP Error: Could not connect to SMTP host. Don't worry [...]

Convert SSL Certificate to PFX via cPanel

By |2020-07-11T06:37:21-05:00July 11th, 2020|Categories: Linux System, Network Security, Web Servers & Applications|Tags: , , , , |

We can convert an SSL Certificate to a .pfx file for Windows server. Requirement: WHM /Terminal access. Login to WHM panel, and open Terminal: 1) Store your private key file to the /backup directory. nano /backup/private.key Paste your private key script in the file, then save and close the file. 2) Store your certificate file to [...]

cPanel CloudLinux – Things to do for PHP Modules & Extensions

By |2020-03-26T09:07:23-05:00March 26th, 2020|Categories: Linux System, Web Hosting, Web Servers & Applications|Tags: , , , , , , , , , , , |

When you first install CloudLinux in cPanel, you may got issue on php modules and extensions such as ioncube, MySQL extention, etc. WordPress users may got the message: Your PHP installation appears to be missing the MySQL extension which is required by WordPress. And WHMCS/ionCube users may got the message: The ionCube PHP Loader needs to [...]

Mount Amazon S3 Bucket As Local Drive (CentOS)

By |2020-03-17T06:37:43-05:00March 17th, 2020|Categories: File Sharing & Hosting, Linux System, Web Servers & Applications|Tags: , , , , |

How to mount s3 bucket as a local drive on CentOS ? Here I'm going to set this up step by step... We will use s3fs-fuse to integrate amazon s3 bucket into a CentOS Linux machine as a local drive. Login to your server using PuTTy, login as root or get root permission via sudo command. [...]

Amazon SES – VestaCP SMTP Relay Setup

By |2019-10-04T17:34:16-05:00October 4th, 2019|Categories: Email & Messaging, Linux System, Web Servers & Applications|Tags: , , , |

We will edit the Exim configuration to relay SMTP via Amazon SES. (Amazon Simple Email Service)     Now, login to your VestaCP panel, and configure Exim.     Find "begin routers" in exim configuration.     After the begin routers line, add the following. send_via_ses: driver = manualroute domains = ! +local_domains transport = ses_smtp [...]

VestaCP – SMTP Error (550) – Invalid HELO name

By |2019-10-01T06:16:20-05:00October 1st, 2019|Categories: Email & Messaging, Web Servers & Applications|Tags: , , |

Your mail client may notice you the following: SMTP Error (550): Failed to set sender "someone@example.com" (Access denied - Invalid HELO name (See RFC2821 4.1.3)). And the message sending is failed ! right ? Here is the solution. You should add smtp helo name in the configuration. $config['smtp_helo_host'] = 'localhost'; Find the file config.inc.php from your [...]

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