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If you do not have root permissions to create your images, be aware that '''all permissions (user and group) inside the image will be set to those of the account the image is made under'''. In general, it is not easy to re-establish proper permissions, thus, depending on the image content, you may not be able to upgrade it later.
If you do not have root permissions to create your images, be aware that '''all permissions (user and group) inside the image will be set to those of the account the image is made under'''. In general, it is not easy to re-establish proper permissions, thus, depending on the image content, you may not be able to upgrade it later.


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For example, Debian and Ubuntu images' <code>dpkg</code>, <code>apt-get</code>, and <code>apt</code> commands all require root to upgrade/install packages. Thus, if the ability to install and upgrade software in the future is important, then create the image on a Linux system where you have root permissions.  
For example, Debian and Ubuntu images' <code>dpkg</code>, <code>apt-get</code>, and <code>apt</code> commands all require root to upgrade/install packages. Thus, if the ability to install and upgrade software in the future is important, then create the image on a Linux system where you have root permissions.  


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