Update or Upgrade Ubuntu Offline Without Internet [Terminal and GUI Methods] Without Direct Internet

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Update or Upgrade Ubuntu Offline Without Internet [Terminal and GUI Methods] Without Direct Internet

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This guide explains the steps to update Ubuntu offline without an active internet connection.

There are many situations where you may need to update your Ubuntu installation without an internet connection. You may reside remotely or have a collection of Ubuntu network systems that are not connected to the Internet. In any case, it is always necessary to keep your system updated with the latest packages.

Of course, it is always recommended to update any system when connected to the Internet. But sometimes this is not possible also due to security reasons. Connecting to the Internet can result in additional hardening measures for your systems to protect them against hackers and malware.

The following method using apt-offline helps resolve these use cases and describes the steps to update your Ubuntu offline without internet.

Prerequisites
You must have access to an Ubuntu system with an Internet connection (e.g. your friends, a coffee shop, or a lab system)
A USB key to hold packages
Install the apt-offline package in both systems – a) the offline system and b) the system that has an Internet connection.
Install apt offline
You can install apt-offline using the following command. Remember that you need to install it on both systems.

sudo apt install apt-offline
If you need to install apt-offline on the target system, you can download the deb package from the link below and copy it to the target system via USB drive. Then run the command below to install.

sudo dpkg -i package_name.deb
Update Ubuntu offline – steps
Open a terminal in offline Ubuntu system and create a signature file using the following command in your home directory.

sudo apt-offline set /offline-data.sig
Create the sig file
Create the sig file
This creates a file containing the required package paths and details to download.

content of sig file
content of sig file
Copy this .sig file to a USB drive and transfer it to an Ubuntu system with Internet access.

In Ubuntu system with internet connection, create a directory (see example below) to hold the downloaded packages. Open a terminal and run the following command to download the required packages. Don't forget to change the download directory and .sig file path according to your system.

apt-offline get -d /offline-data-dir offline-data.sig
Download packages to install offline

You should see that the files are downloaded correctly. Now copy the entire downloaded directory to the USB drive and plug it into the offline Ubuntu system.

Then run the following command to install the downloaded packages on the offline system. Change the directory path according to your system.

sudo apt-offline install disconnected-data-dir/
Installing packages – Ubuntu offline update

If all goes well, the update should go smoothly and you should have an updated Ubuntu system.

Every time you need to perform an update, you need to repeat the steps above to keep your Ubuntu system updated offline.

I hope this guide helps you to update your Ubuntu system in offline mode.

#updatewithoutinternet #offlineupdate #ubuntu #ubuntuofflineupdate #ubuntuofflineupgrade

Today's Video – How to Update or Upgrade Ubuntu Offline Without Internet!

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