If you are a system admin, at some point you may have wondered how to install a list of software packages in one shot. Manually installing software programs on multiple Linux systems would be a tedious job, and your time can be better spent elsewhere. If you seek to install multiple packages in non-interactive batch mode, you can check out this guideline. This is for Debian/Ubuntu systems.
Advanced Packaging Tool (APT) is a Debian way of managing software packages. APT handles installation, removal and update of software packages, as well as automatically resolves problems of inter-package dependencies. As such, APT is ideal for non-interactive package installation.
If you have a text file containing a list of software packages to install, you can bulk install all the packages in one shot as follows.
In the above, I assume that package.txt contains a list of package names (one package name in each row). The "-y" option forces "yes" for every confirmation dialog during installation, and thus is necessary in non-interactive batch mode.
While "apt-get install" command can easily override any confirmation prompt with "-y" option, "apt-get upgrade" that can pop-up various screens for configuration and warnings may not work. For example, when you upgrade your kernel using "apt-get", you cannot circumvent a pop-up screen warning of reboot. In order to get around such pop-up configuration screens as well, there are two ways to do it.
In order to force non-interactive mode in apt-get system-wide, you can use reconfigure debconf as follows.
In the subsequent package configuration screen, choose "noninteractive" interface. Then you won't be asked any question while using apt-get.
If you think that such system-wide change is too risky, you can set DEBIAN_FRONTEND environment variable to enter a temporary batch mode as follows.
Then non-interactive batch mode will be applied to a single invocation of "apt-get install".
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