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Full Discussion: Why does a fakechroot exist?
Top Forums UNIX for Beginners Questions & Answers Why does a fakechroot exist? Post 303019968 by hicksd8 on Wednesday 11th of July 2018 10:03:20 AM
Old 07-11-2018
Such tools are to allow an (ordinary) user to create a root environment within their little bubble WITHOUT affecting anyone else on the system. It all happens within their individual user space. They do NOT get any enhanced privileges.

As I say, within their little bubble only.

For example, they could install a software package within their own 'fake root' and the install routine would be lead to believe that it was installing on the main system but it's not.
 

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MK-BUILD-DEPS(1)														  MK-BUILD-DEPS(1)

NAME
mk-build-deps - build a package satisfying a package's build-dependencies SYNOPSIS
mk-build-deps --help|--version mk-build-deps [options] control file | package name ... DESCRIPTION
Given a package name and/or control file, mk-build-deps will use equivs to generate a binary package which may be installed to satisfy all the build dependencies of the given package. If --build-dep and/or --build-indep are given, then the resulting binary package(s) will depend solely on the Build-Depends/Build-Depends-Indep dependencies, respectively. OPTIONS
-i, --install Install the generated packages and its build-dependencies. -t, --tool When installing the generated package use the specified tool. (default: apt-get --no-install-recommends) -r, --remove Remove the package file after installing it. Ignored if used without the --install switch. -a foo, --arch foo If the source package has architecture-specific build dependencies, produce a package for architecture foo, not for the system architecture. (If the source package does not have architecture-specific build dependencies, the package produced is always for the pseudo-architecture all.) -B, --build-dep Generate a package which only depends on the source package's Build-Depends dependencies. -A, --build-indep Generate a package which only depends on the source package's Build-Depends-Indep dependencies. -h, --help Show a summary of options. -v, --version Show version and copyright information. -s, --root-cmd Use the specified tool to gain root privileges before installing. Ignored if used without the --install switch. AUTHOR
mk-build-deps is copyright by Vincent Fourmond and was modified for the devscripts package by Adam D. Barratt <adam@adam-barratt.org.uk>. This program comes with ABSOLUTELY NO WARRANTY. You are free to redistribute this code under the terms of the GNU General Public License, version 2 or later. Debian Utilities 2013-12-23 MK-BUILD-DEPS(1)
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