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README.md: add more bold highlights

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Johannes 'josch' Schauer 2018-09-18 13:11:15 +02:00
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@ -64,20 +64,21 @@ stripped from the chroot. This also makes the result **bit-by-bit
reproducible** if the `$SOURCE_DATE_EPOCH` environment variable is set.
The author believes, that it should not be necessary to have superuser
privileges to create a file (the chroot tarball) in one's home directory. If
mmdebstrap is run by an unprivileged user, either Linux user namespaces,
fakechroot or proot are used to create a chroot tarball. Debootstrap supports
fakechroot but will not create a tarball with the right permissions by itself.
Support for Linux user namespaces and proot is missing (see bugs #829134 and
#698347, respectively).
privileges to create a file (the chroot tarball) in one's home directory.
Thus, mmdebstrap provides multiple options to create a chroot tarball with the
right permissions **without superuser privileges**. Depending on what is
available, it uses either Linux user namespaces, fakechroot or proot.
Debootstrap supports fakechroot but will not create a tarball with the right
permissions by itself. Support for Linux user namespaces and proot is missing
(see bugs #829134 and #698347, respectively).
When creating a chroot tarball with debootstrap, the temporary chroot directory
cannot be on a filesystem that has been mounted with nodev. In unprivileged
mode, mknod is never used, which means that /tmp can be used as a temporary
mode, **mknod is never used**, which means that /tmp can be used as a temporary
directory location even if if it's mounted with nodev as a security measure.
If the chroot architecture cannot be executed by the current machine, qemu-user
is used to allow one to create a foreign architecture chroot.
is used to allow one to create a **foreign architecture chroot**.
Limitations in comparison to debootstrap
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