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2votes
1answer
74views

Mapping two users to host with user namespaces

I'm trying to understand whether it's possible to map two users from a user namespace to two different users on the host. The goal is to replicate the same permissions I have on my host inside a ...
Liric Ramer's user avatar
2votes
1answer
90views

Can I restrict root user from accessing block devices directly, enforcing filesystem-only access?

Can a policy of SELinux that restricts the root user from writing data to the block devices directly (e.g. through dd command) regardless of whether they were created through the usage of mknod ...
infinitieunique's user avatar
0votes
0answers
58views

Shell-init errors when starting the system with pivot_root

I am using sysvinit and I can start the system directly by these kernel options: root=/dev/sda1 rootfstype=ext4 init=/sbin/init And it works perfectly. But if I add a middle filesystem like with this:...
melonfsck - she her's user avatar
0votes
0answers
136views

Not Enough Space in /ROOT Partition [duplicate]

I need help locating the specific file that has filled my root partition and the cause of inconsistent file storage usage. this is the output of my df -h Filesystem Size Used Avail Use% Mounted ...
geek's user avatar
  • 177
0votes
1answer
160views

Changing a root's file on external drive from another system

If I use one system to format an external drive (not an encrypted partition, just a standard filesystem) and then create a file owned by root and then mount that drive on another system, will I be ...
cnikbesku's user avatar
0votes
0answers
148views

Can a filesystem be encrypted in such a way that only specific processes can access it?

I can certainly mount a filesystem and all the files in it as 700, but I want something even tighter than that. Let's say someone manages to get into my system, somehow. They'd be able to read just ...
Sniggerfardimungus's user avatar
1vote
1answer
2kviews

CRITICAL:yum.main

I went to run sudo yum update I get error: db5 error(11) from dbenv->open: Resources temporarily unavailable error: cannot open Packages index using db5 - Resources temporarily unavailable (11) ...
mister mcdoogle's user avatar
0votes
1answer
3kviews

root is mounted as read only filesystem but /etc/fstab looks alright [closed]

My ubuntu 18.04 boots into read only filesystem / and i really dont know why. I know, that a bad fstab can cause this problem, but my fstab looks okay: # /etc/fstab: static file system information. # #...
idontknowwhoiamgodhelpme's user avatar
1vote
1answer
246views

Preventing Linux to use all storage space (root(

my Linux systems (Ubuntu 16.04) very often gets out of storage space (root 100% full). What happens is that lots of old kernel versions are created during time. Some part of storage is occupied by ...
Emil Perić's user avatar
2votes
2answers
453views

How can I unmount root and run Python script that modifies the whole disk using SSH?

I want to connect to a Debian or CentOS device using SSH and modify its whole disk(just one 30 GB disk that has 5 partitions, 5th is Linux root) by writing a new raw disk image file and new partition ...
Cagurtay's user avatar
1vote
0answers
88views

I cannot delete files on IRIX 6.2

I started using IRIX 6.2 so I could do some Nintendo 64 Development for the IRIX community. WARNING: IT IS A VERY WEIRD SITUATION! Also, I am using root. The file manager GUI states that the files ...
rjhwinner03's user avatar
2votes
3answers
890views

What happens if one tries to access a root directory on a hard drive from another computer?

Lets say you have a directory which is only accessible with root privileges. What happens if someone takes the physical drive out of the computer and mounts the filesystem (maybe even using another ...
throwaway12's user avatar
2votes
1answer
5kviews

How Do I Extend the Root Partition Backwards

I installed Debian about 5-6 days ago alongside Windows 7 and I've got it running almost perfectly besides a few bugs here and there. Yesterday I booted into Windows and shrunk the C: drive so I could ...
KALI99's user avatar
2votes
1answer
2kviews

/sys/kernel/debug/dynamic_debug/control not writable, follow xhci_hcd debug guide

I want to follow this tutorial. But I can't write to /sys/kernel/debug/dynamic_debug/control- or [debugfs]/dynamic_debug/control-file as suggested by the guide, even tough I am root, the special ...
aiutopia.dev's user avatar
1vote
1answer
20kviews

Why do I get Fsync failed error?

I'm trying to follow MongoDB documentation instructions to configure LTH properly for a machine running MongoDB. One of the instructions consists of creating a script which runs at boot. ...
Arseni Mourzenko's user avatar

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