# How to enable udf support at startup?

**URL:** <https://forums.rockylinux.org/t/how-to-enable-udf-support-at-startup/16930>\
**Category:** Rocky Linux Help & Support\
**Created:** [December 19, 2024, 9:34pm UTC](https://forums.rockylinux.org/t/how-to-enable-udf-support-at-startup/16930 "2024-12-19T21:34:37Z")\
**Posts on this page:** 8\
**Page:** 1

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**Author:** ![jdtomzak](https://avatars.discourse-cdn.com/v4/letter/j/73ab20/32.png) [@jdtomzak](https://forums.rockylinux.org/u/jdtomzak)\
**Post date:** [December 19, 2024, 9:34pm UTC](https://forums.rockylinux.org/t/how-to-enable-udf-support-at-startup/16930/1 "2024-12-19T21:34:37Z")

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Greetings,  
I’m on 9.2 seeking a way to have modprobe udf run every time the system boots.

Thanks,

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**Author:** ![gerry666uk](https://avatars.discourse-cdn.com/v4/letter/g/dbc845/32.png) [@gerry666uk](https://forums.rockylinux.org/u/gerry666uk)\
**Post date:** [December 19, 2024, 10:22pm UTC](https://forums.rockylinux.org/t/how-to-enable-udf-support-at-startup/16930/2 "2024-12-19T22:22:54Z")

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It’s not usually needed, when you mount a udf volume, it should start up?

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<div class="post-metadata">

**Author:** ![jdtomzak](https://avatars.discourse-cdn.com/v4/letter/j/73ab20/32.png) [@jdtomzak](https://forums.rockylinux.org/u/jdtomzak)\
**Post date:** [December 19, 2024, 10:26pm UTC](https://forums.rockylinux.org/t/how-to-enable-udf-support-at-startup/16930/3 "2024-12-19T22:26:36Z")

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It needs to be there for import to Azure. (Creating our own image for the Azure compute gallery)  
Looks like I also need to get VFAT going as well. Same reason, sigh…

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<div class="post-metadata">

**Author:** ![iwalker](https://sea2.discourse-cdn.com/flex020/user_avatar/forums.rockylinux.org/iwalker/32/2599_2.png) [@iwalker](https://forums.rockylinux.org/u/iwalker)\
**Post date:** [December 20, 2024, 8:29am UTC](https://forums.rockylinux.org/t/how-to-enable-udf-support-at-startup/16930/4 "2024-12-20T08:29:25Z")

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Like this:

```auto
echo "module_name" > /etc/modules-load.d/<module_name>.conf

```

So:

```auto
echo "udf" > /etc/modules-load.d/udf.conf

```

and reboot.

```auto
root@rocky9:~# lsmod | grep udf
udf 155648 0
crc_itu_t 12288 1 udf
cdrom 90112 2 udf,sr_mod

root@rocky9:~# cd /etc/modules-load.d/

root@rocky9:/etc/modules-load.d# ls
udf.conf

root@rocky9:/etc/modules-load.d# cat udf.conf
udf

root@rocky9:/etc/modules-load.d# uptime
 09:30:24 up 0 min, 1 user, load average: 0.21, 0.06, 0.02

```

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<div class="post-metadata">

**Author:** ![jdtomzak](https://avatars.discourse-cdn.com/v4/letter/j/73ab20/32.png) [@jdtomzak](https://forums.rockylinux.org/u/jdtomzak)\
**Post date:** [December 20, 2024, 3:51pm UTC](https://forums.rockylinux.org/t/how-to-enable-udf-support-at-startup/16930/5 "2024-12-20T15:51:44Z")

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Brilliant! That worked fine. Thanks!

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<div class="post-metadata">

**Author:** ![jdtomzak](https://avatars.discourse-cdn.com/v4/letter/j/73ab20/32.png) [@jdtomzak](https://forums.rockylinux.org/u/jdtomzak)\
**Post date:** [December 20, 2024, 3:52pm UTC](https://forums.rockylinux.org/t/how-to-enable-udf-support-at-startup/16930/6 "2024-12-20T15:52:44Z")

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Any advice on getting VFAT enabled as well?

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<div class="post-metadata">

**Author:** ![iwalker](https://sea2.discourse-cdn.com/flex020/user_avatar/forums.rockylinux.org/iwalker/32/2599_2.png) [@iwalker](https://forums.rockylinux.org/u/iwalker)\
**Post date:** [December 20, 2024, 5:29pm UTC](https://forums.rockylinux.org/t/how-to-enable-udf-support-at-startup/16930/7 "2024-12-20T17:29:55Z")

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On my rocky9, vfat is loaded my default:

```auto
root@rocky9:~# lsmod | grep vfat
vfat 16384 1
fat 102400 1 vfat

```

Otherwise you would just do the same procedure as my previous example.

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/flex020/uploads/rockylinux/original/1X/91b7219eec10e30013422e4df76c1d898711a5d5.svg) [@system](https://forums.rockylinux.org/u/system)\
**Post date:** [February 18, 2025, 5:30pm UTC](https://forums.rockylinux.org/t/how-to-enable-udf-support-at-startup/16930/8 "2025-02-18T17:30:16Z")

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