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3
votes
2answers
568 views

How do I build a read-only Linux system that only writes to the RAM?

This is my current partition structure: Filesystem 1K-blocks Used Available Use% Mounted on tmpfs 127428 0 127428 0% /lib/init/rw udev ...
1
vote
1answer
70 views

Give read-only access to specific folders?

I would like to give read-only access to a user but I want him/her to see only the exact folders I give access. for example he/she shouldn't travel around all the server and browse to all users ...
1
vote
1answer
88 views

temporarily disabling one's own filesystem write permission

I can't believe there is no simple solution to this (because it seems potentially a very useful feature to me), but so far I couldn't find any. I'd like to be able to (temporarily) turn off my own ...
2
votes
0answers
77 views

Set PERM_WRITE_PROTECT on an SD card

From what I read here and here I gather that there is a bit on SD cards called PERM_WRITE_PROTECT that will allow me to make an SD card read only. Is it possible to set this bit from Linux? If so, ...
2
votes
0answers
159 views

aufs with lower writable branch

I'm trying to hide some directories on a mounted file system (it's not about security, just aesthetics). I've mounted the file system regularly on /mnt/data and wanted to use aufs to overlay a ...
2
votes
0answers
347 views

remount chrooted read-only subdirectory (non-mountpoint) to read-write from within jail?

I'm trying to do the same of this question (multiple linux installation on same filesystem) but I get this result (root filesystem mounted as read-only) . I'm using debian/sid, have successfully ...
2
votes
0answers
146 views

/home is Read Only after coming out of screensaver (intermittent)

I am using Linux Mint 13 (Maya) and I have my "/home" partition formatted as ext4 and mounted at "dev/sdc1". Occasionally I have a strange problem coming up that looks a lot like this bug that I ...
2
votes
0answers
206 views

Making USB drives readonly on an specific USB port or for an user account

I have a Multiseat machine and the second seat has USB access from a signle port by HUB (a Keyboard and a mouse are connected to it). I need make all storages drives that is connected to to this HUB ...
1
vote
0answers
367 views

How to use history commands with readonly PROMPT_COMMAND?

I'm sometimes logged in on a host which I do not control and where PROMPT_COMMAND is readonly. Is there some way to work around this to run history commands anyway, for example using PS1? I've tried ...