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refactor: moved back from specific folder as articles are not really os specific

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Michele Cereda
2023-09-14 09:43:37 +02:00
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knowledge base/linux/getfattr.md
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# `getfattr`
## Table of contents <!-- omit in toc -->
1. [TL;DR](#tldr)
1. [Further readings](#further-readings)
1. [Sources](#sources)
## TL;DR
```sh
# Install the tool.
apt install 'attr'
dnf install 'attr'
# Get values for specific extended attributes.
getfattr -n 'name' 'path/to/file.1' … 'path/to/file.N'
```
## Further readings
- [`setfattr`][setfattr]
## Sources
All the references in the [further readings] section, plus the following:
- [`man` page][man page]
- [Tag files in GNU/Linux]
<!--
References
-->
<!-- In-article sections -->
[further readings]: #further-readings
<!-- Knowledge base -->
[setfattr]: setfattr.md
[tag files in gnu/linux]: tag%20files.md
<!-- Others -->
[man page]: https://linux.die.net/man/1/getfattr

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knowledge base/linux/lsblk.md
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# `lsblk`
## Table of contents <!-- omit in toc -->
1. [TL;DR](#tldr)
1. [Sources](#sources)
## TL;DR
```sh
# Install the tool.
dnf install 'util-linux'
# Show information about block devices.
lsblk
lsblk -a
# Also print other specific columns.
# Mind the '+' character at the beginning.
lsblk -o '+MODEL,SERIAL'
# Show only physical disks
lsblk -d
# Filter by major device numbers.
lsblk -I '8,259'
```
## Sources
- [`man` page][man page]
<!--
References
-->
<!-- Others -->
[man page]: https://linux.die.net/man/8/lsblk

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knowledge base/linux/setfattr.md
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# `setfattr`
## Table of contents <!-- omit in toc -->
1. [TL;DR](#tldr)
1. [Further readings](#further-readings)
1. [Sources](#sources)
## TL;DR
```sh
# Install the tool.
apt install 'attr'
dnf install 'attr'
# Add extended attributes.
setfattr -n 'name' -v 'value' 'path/to/file.1' … 'path/to/file.N'
# Remove extended attributes.
setfattr -x 'name' 'path/to/file.1' … 'path/to/file.N'
```
## Further readings
- [`getfattr`][getfattr]
## Sources
All the references in the [further readings] section, plus the following:
- [`man` page][man page]
- [Tag files in GNU/Linux]
<!--
References
-->
<!-- In-article sections -->
[further readings]: #further-readings
<!-- Knowledge base -->
[getfattr]: getfattr.md
[tag files in gnu/linux]: tag%20files.md
<!-- Others -->
[man page]: https://linux.die.net/man/1/setfattr

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knowledge base/linux/tag files.md
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# Tag files in GNU/Linux
The most native way is to use extended attributes.<br/>
This allows to store the information within the file in its "filesystem entry", and it stays with the file when one moves it on the drive.
Query them with [`getfattr`][getfattr].<br/>
Set, modify and remove them using [`setfattr`][setfattr].
## Sources
- [How to tag any file on the Unix system?]
<!--
References
-->
<!-- Knowledge base -->
[getfattr]: getfattr.md
[setfattr]: setfattr.md
<!-- Others -->
[how to tag any file on the unix system?]: https://unix.stackexchange.com/questions/683017/how-to-tag-any-file-on-the-unix-system