BusyBox: Difference between revisions
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BusyBox | BusyBox combines tiny versions of many common UNIX utilities into a single small executable. It provides replacements for most of the utilities usually found in GNU fileutils, shellutils, etc. The utilities in BusyBox generally have fewer options than their full-featured GNU counterparts. | ||
== Ash shell == | |||
Alpine Linux uses Busybox Ash for its default shell. Refer [[Change default shell|change default shell]] page for more information. | |||
=== Aliases === | |||
When using Ash shell, one can’t set aliases in the {{Path|~/.profile}}, but environment variables can be set in it. In order to use aliases with Busybox Ash, you must set the ENV environment variable to refer the aliases file. | |||
First create the file {{Path|/etc/profile.d/profile.sh}} as follows: | |||
{{Cat|/etc/profile.d/profile.sh|if [ -f "$HOME/.config/ash/profile" ]; then | |||
. "$HOME/.config/ash/profile" | |||
fi | |||
}} | |||
Next create the file {{path|~/.config/ash/profile}} as follows: | |||
{{Cat|~/.config/ash/profile|export ENV{{=}}"$HOME/.config/ash/ashrc" | |||
}} | |||
Now aliases can be added in the file {{Path|~/.config/ash/ashrc}}: | |||
{{Cat|~/.config/ash/ashrc|su{{=}}"doas -s" | |||
}} | |||
== Replacing Busybox symlinks == | |||
{{Main|How to get regular stuff working}} | |||
If you find busybox lacking in features or options, it is easy to [[How to get regular stuff working|replace]] busybox endpoints by their full-featured utilities. | |||
== See Also == | == See Also == | ||
* [https://www.busybox.net/ Official website] | * [https://www.busybox.net/ Official website] | ||
* [https://man.archlinux.org/man/busybox.1.en Online Manual] | * [https://man.archlinux.org/man/busybox.1.en Online Manual] | ||
[[Category:System Administration]] |
Latest revision as of 18:09, 21 October 2024
BusyBox combines tiny versions of many common UNIX utilities into a single small executable. It provides replacements for most of the utilities usually found in GNU fileutils, shellutils, etc. The utilities in BusyBox generally have fewer options than their full-featured GNU counterparts.
Ash shell
Alpine Linux uses Busybox Ash for its default shell. Refer change default shell page for more information.
Aliases
When using Ash shell, one can’t set aliases in the ~/.profile, but environment variables can be set in it. In order to use aliases with Busybox Ash, you must set the ENV environment variable to refer the aliases file.
First create the file /etc/profile.d/profile.sh as follows:
Contents of /etc/profile.d/profile.sh
Next create the file ~/.config/ash/profile as follows:
Contents of ~/.config/ash/profile
Now aliases can be added in the file ~/.config/ash/ashrc:
Contents of ~/.config/ash/ashrc
Replacing Busybox symlinks
If you find busybox lacking in features or options, it is easy to replace busybox endpoints by their full-featured utilities.