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Install Go on Ubuntu: A Step-By-Step Guide

Josie-Peterson — Mon, 12 Feb 2024 13:49:03 +0000

Go, also known as Golang, is a powerful programming language developed by Google. Known for its simplicity, efficiency, and robust concurrency support, Go has gained popularity among developers. If you're using Ubuntu as your operating system, this step-by-step guide will walk you through the process of installing Go on your machine.

Prerequisites to Install Go on Ubuntu

Before you begin the installation, make sure you have the following prerequisites in place:

A machine running Ubuntu.
Access to a terminal with administrative privileges.

How to Install Go on Ubuntu?

Here is the step-by-step for installing Go on Ubuntu:

Step 1: Update and Upgrade

Start by ensuring your system is up to date. Open a terminal and run the following commands:

sudo apt update
sudo apt upgrade -y

This will update the package list and upgrade all installed packages on your system.

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Step 2: Downloading Go

Now, navigate to the official Go website to find the latest version of the language. Copy the download link for the Linux distribution. In your terminal, use wget to download the Go tarball:

wget https://golang.org/dl/goX.XX.X.linux-amd64.tar.gz

Replace X.XX.X with the latest version number available.

Step 3: Extracting the Tarball

Once the download is complete, extract the tarball using the following command:

sudo tar -C /usr/local -xzf goX.XX.X.linux-amd64.tar.gz

Step 4: Configuring Environment Variables

To use Go, you need to set up the PATH and GOPATH environment variables. Edit your profile configuration file using a text editor like nano:

nano ~/.profile

Add the following lines at the end of the file:

export PATH=$PATH:/usr/local/go/bin
export GOPATH=$HOME/go
export PATH=$PATH:$GOPATH/bin

Save and exit the text editor. Then, apply the changes to your current session:

source ~/.profile

Step 5: Verifying the Installation

To verify that Go has been installed successfully, run the following commands:

go version

You should see the installed Go version printed in the terminal.

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How to Manage Go Versions with Go Version Manager (gvm)

Installing gvm

For better version management, you can use a tool like Go Version Manager (gvm). Install gvm with the following commands:

sudo apt-get install bison
bash < <(curl -s -S -L https://raw.githubusercontent.com/moovweb/gvm/master/binscripts/gvm-installer)

Add the following line to your profile configuration:

[[ -s "$HOME/.gvm/scripts/gvm" ]] && source "$HOME/.gvm/scripts/gvm"

Source your profile or restart the terminal:

source ~/.profile

Installing Specific Go Versions

With gvm, you can easily install and switch between different Go versions. To install a specific version, use the following command:

gvm install goX.XX.X

Conclusion

Congratulations! You've successfully installed Go on your Ubuntu machine. Whether you're a seasoned developer or just getting started, Go provides an efficient and versatile platform for building robust applications. Take advantage of Go's simplicity, concurrency support, and strong community to enhance your coding experience. If needed, gvm offers a convenient way to manage multiple Go versions, allowing you to switch between them effortlessly. Now, you're ready to dive into the world of Go programming on your Ubuntu system. Happy coding!

How to Install KVM on Ubuntu? A Complete Guide

Josie-Peterson — Sat, 03 Feb 2024 12:49:24 +0000

In the dynamic world of IT infrastructure, virtualization has become a cornerstone for efficient resource utilization and scalability. Kernel-based Virtual Machine (KVM) is a robust open-source virtualization solution for Linux. This article will guide you through the installation process of KVM on Ubuntu, exploring its definition, benefits, and essential considerations.

What is KVM:

Kernel-based Virtual Machine (KVM) is a Linux kernel module that transforms the host operating system into a hypervisor. It enables the creation and management of virtual machines (VMs) by leveraging hardware virtualization extensions such as Intel VT or AMD-V. KVM is integrated into the Linux kernel, providing a lightweight and high-performance virtualization solution.

Benefits of KVM:

Hardware Virtualization:

KVM harnesses hardware virtualization extensions, allowing VMs to directly access physical hardware resources. This results in enhanced performance and efficiency.

Linux Kernel Integration:

Being a part of the Linux kernel, KVM benefits from seamless integration with the host system, ensuring stability and compatibility.

Scalability:

KVM supports the creation of multiple VMs on a single host, making it suitable for both small-scale and large-scale virtualization environments.

Open Source and Cost-Effective:

KVM is open-source software, eliminating licensing costs. This makes it an attractive choice for organizations aiming to optimize costs while maintaining powerful virtualization capabilities.

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How to Install KVM on Ubuntu:

Follow these steps to install KVM on Ubuntu:

Check Hardware Virtualization Support:

Before installing KVM, ensure that your CPU supports hardware virtualization. You can check this using the following command:

egrep -c '(vmx|svm)' /proc/cpuinfo

If the output is greater than 0, your CPU supports virtualization.

Install KVM and Related Packages:

Open a terminal and use the following command to install KVM and related packages:

sudo apt update sudo apt install qemu-kvm libvirt-daemon-system libvirt-clients bridge-utils virtinst

Enable and Start libvirtd Service:

Start and enable the libvirtd service:

sudo systemctl enable libvirtd sudo systemctl start libvirtd

Add User to libvirt Group:

Add your user to the libvirt group to manage virtualization without root privileges:

sudo adduser $USER libvirt sudo adduser $USER libvirt-qemu

Restart the System:

Restart your system to apply the changes:

sudo reboot

Verify Installation:

After rebooting, use the following command to verify the installation:

virsh list --all

This command should show no errors and an empty list of virtual machines.

Things to Keep in Mind:

Hardware Requirements:

Ensure that your hardware meets the virtualization requirements, including CPU support for hardware virtualization extensions.

Networking Considerations:

Be mindful of networking configurations, especially if you plan to set up virtual machines with specific network requirements.

Security Measures:

Implement security best practices, such as restricting access to virtualization services and regularly updating software.

Backup Strategies:

Establish a robust backup strategy for critical VMs to prevent data loss in the event of hardware or software failures.

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Conclusion:

In conclusion, Kernel-based Virtual Machine (KVM) provides a powerful and cost-effective virtualization solution for Ubuntu users. By following the step-by-step installation guide, you can harness the benefits of KVM, from hardware virtualization to scalability. Keep essential considerations in mind, and for comprehensive server support, consider the expertise of Server Support Experts to ensure the optimal performance and management of your virtualized infrastructure. Virtualization with KVM opens the door to a flexible and efficient IT environment, laying the foundation for a wide range of applications and services.