Revision of Installing Packages Without Internet Connection from Sun, 11/19/2023 - 09:44
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Manually installing a package
First of all: Don't blindly trust packages outside Trisquel's repository. Whoever built it may have included malware!
If GDebi is installed, open the folder with the DEB package to install and double-click on it. If no error arises (e.g., unmet dependencies), click on the "Install Package" button. If "gdebi-core" is installed or if you prefer the terminal (here assuming that the working directory contains "package.deb", to be substituted by the actual name of the DEB file): $ sudo gdebi package.deb
If "gdebi-core" is not installed, install it with the package manager when the system is online. If the system is offline for good, bring on it the DEB package of "gdebi-core" e.g., using a USB stick:
Then install it with the following command (here assuming that the working directory contains gdebi-core_0.9.5.7+nmu2_all.deb for Trisquel 11):$ sudo dpkg -i gdebi_0.9.5.7+nmu6_all.deb
Then use the 'gdebi' command to manually install any package (including "gdebi" to have its GUI). Notice that the use of 'sudo dpkg -i' to install any package is not recommended because it does not resolve unmet dependencies, i.e., it will install broken packages if some dependency is not installed. gdebi-core's dependencies are already installed. Even "trisquel-minimal", which provides a minimal console environment, depends on them.
However, if you meet unmet dependencies after that, and if your Trisquel have an internet access somehow, this command will resolve unmet dependencies automatically from Trisquel official repository:
$ sudo apt-get -f install
If your system is offline for weeks or more, GDebi is not the "proper" solution to administrates it. The proper solution is below.
Managing an offline system
Install "apt-offline" with the package manager when the system is online. If the system is offline for good, bring on it the DEB package of "apt-offline", e.g., using a USB stick, and install it with GDebi or 'sudo dpkg -i' (see above):
Do not worry about its dependencies: they are already installed. Even "trisquel-minimal", which provide a minimal console environment, depends on them. Then use the 'apt-offline' command to manage all your packages or, if you like GUIs, use the 'apt-offline' command to install "apt-offline-gui". You can then use its GUI.
This external documentation will help you on the use of 'apt-offline'.
You can also use APT Local Repository to install packages offline: Visit this
