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Install Python 3.9 on Ubuntu 20.04 - Step by Step Process ?

This article covers how to install and compile Python3.9 using different methods, using PPA repo, compiling it from the source code, and installing it using the Linuxbrew tool.

We can now start using Python 3.9 for our projects.

Python is a high-level programming language, mostly used to write scripting and automation. It is a very popular language known for its simplicity and easy syntax. 

Python one of the best language for for artificial intelligence (AI).

To Install Python 3.9 on Ubuntu 20.04 using APT:

1. Update package list, type:

$ sudo apt update

2. Install software-properties-common package to easily manage distribution and independent software vendor software sources:

$ sudo apt install software-properties-common
$ sudo add-apt-repository ppa:deadsnakes/ppa

3. Now install python 3.9 using apt command:

$ sudo apt-get install python3.9

4. The following command can help to identify the proper install location of Python:

$ which python3

The execution of the above command produces the following output on console:


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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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