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Failed to start migrated KVM VPS in SolusVM - What to do?


This article covers how to migrate and fix KVM failed to start error in SolusVM. In fact, this error happens when the iso mounted to VPS on the source server does not exist on the destination server.

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Cannot boot a new VPS on XenHVM node - How to resolve this error in SolusVM ?


This article covers how to resolve Cannot boot a new VPS on XenHVM node if the VMID greater than 10000. In fact, follow the guide here to resolve boot error on VPS.

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Unable to create a KVM VPS in SolusVM - How to fix ?


This article covers the most effective method of fixing database issues while creating KVM VPS in SolusVM. In fact, to fix this error, simply Add the missing column to the specified table.

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SolusVM 500 Internal Error - Best way to fix it ?


This article covers the different ways to tackle the Internal Error which happens when the svmstack-fpm service is running instead of svmstack-fpm7 on the Master node. 

To fix this error:

1. Connect to SolusVM Master node via SSH.

2. Stop svmstack-fpm service and start svmstack-fpm7 service:

$ systemctl stop svmstack-fpm && systemctl start svmstack-fpm7

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SolusVM: Cannot Allocate Memory Error – Best fix ?


This article covers the best way to tackle SolusVM: Cannot Allocate Memory Error. In fact, this error happens while booting KVM VPS in SolusVM. This error signifies that there is not enough free memory on the node.

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SolusVM error Unable to find ostemplate - Best Fixes ?


This article covers methods to resolve SolusVM errors for our customers. 

To fix Unable to find ostemplate error:

Simply Re-install OS

$ vzctl reinstall <CTID> --ostemplate <template_name>

where <CTID> should be replaced with actual VPS CT ID and <template_name> should be replaced with the template name without ".tar.gz" part.

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cPanel Error: rpmdb open failed – Fix it Now ?


This article covers methods to resolve cPanel Error: rpmdb open failed. In conclusion, we run into the cPanel Error while updating yum on VPS with cPanel on it.

In order to resolve this issue you would want to attempt a rebuild of the RPM database using the following commands on the system:

$ mkdir /root/old_rpm_dbs/
$ mv /var/lib/rpm/__db* /root/old_rpm_dbs/
$ rpm --rebuilddb -vv
$ yum clean all

If that works well, the "yum update" command will now work properly on your machine.

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Let's Encrypt with Cloudflare - How to Configure ?


This article covers how to set up Let's Encrypt and Cloudflare Universal SSL for end-to-end encryption. Basically, Improper configuration settings while using Let's Encrypt, could cause connection errors.

Cloudflare will act as the CDN while Let's Encrypt performs the SSL (HTTPS) encryption (in lieu of Cloudflare's Universal SSL).


Let's Encrypt is great, but it's not really a comparison with Cloudflare, you can use them both. I use Lets Encrypt on my server with Cloudflare. What we suggest is that you should first get Lets Encrypt installed on your domain and make sure it works.



To add lets encrypt to Cloudflare:

1. Set up the domain.

2. Verify the Let's Encrypt certificate has been issued.

3. Sign up for Cloudflare.

4. Update nameservers and verify.

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Virtuozzo VS Hyper-V - Which is better


This article covers some comparison between Virtuozzo VS Hyper-V. 

Hyper-V and Virtuozzo are both popular VPS platforms used by a large number of web hosting providers for the provisioning of Windows VPS hosting services, with Virtuozzo being favoured for Windows Server 2003 VPS hosting and Hyper-V being the most reliable solution for Windows Server 2008 VPS hosting services.


Advantages of using Virtuozzo over Hyper-V include:

1. Direct Linux support – Virtuozzo can be installed on their Windows or Linux VPS hosting nodes, and although Hyper-V can be used for the hosting of virtual machines running Linux it is only available for use on Windows Server 2008.

2. Web based control panel (Parallels Power Panel) – the Parallels Power Panel will allow users to manage their Linux or Windows VPS hosting server from a web based interface meaning that if they aren't in a situation where they can access their VPS server via Remote Desktop then they can use the Power Panel to restart their VPS server if necessary or to kill any services or processes which may be overloading their VPS server’s resources.

3. Separate application – the fact that Virtuozzo is a separate application which can be installed on top of the operating system can have its advantages in some cases, for example if a web hosting providers wishes to discontinue using a server for VPS server hosting then all they have to do is uninstall the application from their server, although in most cases it is advised to do an OS reload anyway to ensure that you have a blank canvas to start with.


Advantages of using Hyper-V over Virtuozzo:

1. Cost – with Virtuozzo VPS hosting web hosting providers have to pay for the cost of the Virtuozzo application and the cost of the operating system license, but because Hyper-V is part of the Windows Server 2008 operating system they will only need to pay for the operating system license – this can help to reduce the costs of Hyper-V VPS hosting services and as the cost of the operating system falls, prices will fall further and will eventually meet Virtuozzo Windows Server 2003 hosting services when it comes to price which will mean that people will gradually move over to using Windows Server 2008 VPS hosting.

2. Reliability – as Hyper-V is part of the Window Server 2008 operating system, web hosting providers are able to guarantee reliable Windows Server 2008 VPS server hosting services.

3. Native support for Windows Server 2008 – although Virtuozzo may have support for Windows Server 2008, it hasn’t been able to offer the most reliable of Windows Server 2008 VPS hosting services.

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Ansible Playbook to Install WordPress with LAMP


This article will guide you on the step to follow to use #Ansible Playbook to install #WordPress with #LAMP on #Ubuntu 18.04.

In Ansible, the role is the primary mechanism for breaking a #playbook into multiple files. This simplifies writing complex #playbooks, and it makes them easier to reuse. The breaking of playbook allows you to logically break the playbook into reusable components.

To start using Ansible:

1. Prerequisites.

2. Install Ansible.

3. Establish a manual connection to a managed node.

4. Run your first network Ansible command.

5. Create and run your first network Ansible Playbook.

6. Gathering facts from network devices.

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Plesk Multi Server How to install it


This article will guide you on how to install #Plesk #Multi #Server which will enable us to work with a single Plesk user interface to run hosting services on multiple #servers. A multi-server environment can support more #connections and services, helps to keep the system running, and can also cost significantly less each month than continually adding resources to a single server.

Plesk Multi Server is most useful for the following types of business:

1. Web design and development studios that also host the clients web sites;

2. Small and medium-sized shared hosting providers;

3. Larger hosting providers for #reselling to customers, who are small and medium-sized shared #hosting #providers.

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Deploying Kohana PHP application on Debian


This article will guide you on how to deploy Kohana on #Debian. Kohana offers powerful event handling, multiple session drivers, simple database abstraction using #SQL helpers, and libraries that transparently handle external APIs. Its generous BSD license lets developers use and modify the framework to build commercial applications.

The #AppDynamics platform provides full, code-level visibility into the performance of your PHP application built on the Kohana framework. With rapid installation and the most scalable #architecture in the industry, AppDynamics solutions help you deploy your #applications more quickly and with more confidence.

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