Questions tagged [filesystems]
A filesystem is a way to organize and store computer files with their data.
4,230 questions
7 votes
3 answers
1k views
Launching windows commandline commands within a WSL, what's the story?
In this Superuser question, I'm looking for a way to make the following work: find DLL.dll -exec /mnt/c/.../Windows_command {} \; Yes, I'm indeed trying to launch a Windows command inside a WSL. To ...
0 votes
2 answers
80 views
What is /usr/sbin/authserver and the binary inside
When using the find command or any other recursive file searches, I always notice /usr/sbin/authserver in the context of a "permission denied" error. Just out of pure curiosity, what ...
3 votes
3 answers
212 views
unison permissions between machines
I have two linux computers: personal (arch, full root access) workplace (ubuntu, no root access). I am using "Unison" to sync some selected directories from one computer to an ext4 USB ...
1 vote
1 answer
783 views
Why is this FAT filesystem recording access time?
FAT isn't meant to record file access time, but the FAT filesystem I have in a VeraCrypt container file does. Why is this? This was before I opened the file /run/media/veracrypt1/test: ~ $ stat /run/...
0 votes
1 answer
95 views
Are there any open source Linux filesystems that support nfsv4 ACLs?
I want a small local filesystem to use for testing the NFSv4 ACL logic that I am using with a proprietary filesystem. Ideally it wouldn't actually be using NFS, because exporting and mounting from the ...
3 votes
2 answers
727 views
Check if unallocated space contains data
I have a HDD with an un-allocated section, likely reserved to later add a partition for backups. I want to know if there is data in said section, or if i can flatten it. A few years ago some windows ...
9 votes
2 answers
2k views
Which Linux file system should I use for compatibility with Windows programs?
I'm new to Linux, yet am now committing to Linux, probably formatting HDDs to run the ext4 file-system, for (almost) all work. I need to keep one Windows machine running an NTFS file-system for a few ...
0 votes
1 answer
103 views
Overlayroot behaving differently on Debian 13
I've got a problem with overlayroot in conjunction with Debian13 (everything was fine under Debian12) The issue can be reproduced within a VM and a fresh installation of Debian12 or Debian13 ...
3 votes
1 answer
79 views
What is the best way to detect busy CPU cores for blk-mq request steering in Linux kernel?
I am trying to implement request steering in Linux kernel’s blk-mq layer to distribute I/O requests across CPU cores based on load. My goal is to redirect requests from busy cores to less busy ones to ...
3 votes
1 answer
370 views
"Input/output error" on wake from suspend
I have an Asus ExpertBook P5. I've had Fedora installed on my laptop for the past couple of days. I've found that when the system is suspended, while I can log in after it wakes up, I am unable to ...
0 votes
0 answers
46 views
Does ext4 allow partial update of unwritten to written extents in O_DIRECT case
O_DIRECT allows writes on a file to proceed with i_rwsem in read mode. Let's say I have allocated 100 fs blocks(4K) for a file with posix_fallocate(). This now becomes an unwritten extent for the file....
0 votes
1 answer
84 views
Linux: prevent filesystem remount
Is there on Linux any mount options or anything else (that I can specify in /etc/fstab) that prevent the possibility for a filesystem to be remounted via mount -o remount,... ? For example, let's ...
0 votes
0 answers
44 views
How I use ComposeFS to make an integrity-checked mount?
It's been a while since I last played around with mkcomposefs, but I remember either getting errors during generation/mounting OR I it wasn't detecting any changes. Very simply, how does one: ...
1 vote
0 answers
42 views
Already deleted files on other system suddely show up in wastebin after new install
I am confronted with the following situation: I have had a Manjaro System on my ASUS Vivobook installed for the past 2 years. On that, I was tidying up my external hard drive last February. In the ...
3 votes
1 answer
156 views
lightdm/xorg prevents remounting read only
I have a kiosk system based on Debian 12 with some partitions readonly (namely / and /boot, while /var and /home are writable). The setup works completely fine. However, sometimes, after a system ...