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How do I modify a Debian package?

How do I modify a Debian package?

3 Answers. The primary command to manipulate deb packages is dpkg-deb . To unpack the package, create an empty directory and switch to it, then run dpkg-deb to extract its control information and the package files. Use dpkg-deb -b to rebuild the package.

Where is config file in Debian?

Roughly 5% of Debian packages use the debconf database and custom scripts using that data to generate configuration files. These scripts are located in /var/lib/dpkg/info/*. config.

How do I reconfigure a package in Linux?

dpkg-reconfigure is a powerful command line tool used to reconfigure an already installed package. It is one of the several tools offered under dpkg – the core package management system on Debian/Ubuntu Linux. It works in conjunction with debconf, the configuration system for Debian packages.

Which command removes a Debian package including its configuration files?

Remove a package (including its configuration files): dpkg –purge foo .

How do I extract and install a .deb file?

Install/Uninstall . deb files

  1. To install a . deb file, simply Right click on the .
  2. Alternatively, you can also install a .deb file by opening a terminal and typing: sudo dpkg -i package_file.deb.
  3. To uninstall a .deb file, remove it using Adept, or type: sudo apt-get remove package_name.

How do I create a .deb file?

Making the deb package

  1. Create the working directory. Create a temporary working directory to make your package in.
  2. Create the internal structure. Put your program files where they should be installed to on the target system.
  3. Create the control file.
  4. Fill in the control file.
  5. Build the deb package.

What is config package?

The config package makes it easy to manage environment specific configuration values. For example, you might want to use distinct values for development, testing, and production environments. You can install the config package from CRAN as follows: install.packages(“config”)

How do you reconfigure Lightdm?

You can try LightDM again with sudo start lightdm. If you have another display manager you want to try (e.g. gdm) start that: sudo start gdm. You can set the default display manager by running sudo dpkg-reconfigure lightdm.

Which command is used to install a Debian package?

1. Install Software Using Dpkg Command. Dpkg is a package manager for Debian and its derivatives such as Ubuntu and Linux Mint. It is used to install, build, remove and manage .

How do I see what packages are installed on Debian?

To check if a specific package is installed on Debian based Linux distributions, you can use the dpkg command followed by the -s (status) flag and the package name.

Which is the package management system in Debian?

It is one of the several tools offered under dpkg – the core package management system on Debian/Ubuntu Linux. It works in conjunction with debconf, the configuration system for Debian packages. Debconf registers the configuration of all installed packages on your system.

How many Debian packages ship default configuration files?

conffiles Roughly 20% of the packages in Debian and Ubuntu ship default configuration files. If these are simply replaced, an upstream update later that modifies the same configuration file will throw dpkg into an interactive conflict resolution system. This is best avoided to make updates non-interactive.

How to assemble assemble-config packages in Debian?

The recommended method to assemble -config packages is to divert and symlink in the postinst, and remove symlinks and diversions in the prerm script. The symlinks are only created if the path is either not present or is already a symlink, and only removed if the path is a symlink.

Are there default configuration files in Debian and Ubuntu?

Roughly 20% of the packages in Debian and Ubuntu ship default configuration files. If these are simply replaced, an upstream update later that modifies the same configuration file will throw dpkg into an interactive conflict resolution system.

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Ruth Doyle