Questions tagged [read-only]

100 questions
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How to enable password policy on readonly filesystem?

I'm using a read-only filesystem (squashfs). I've used the overlays file system to mount /etc directory. I can change the password using passwd command. I've included libpam & libpwquality packages to enable the strong password policy. I see the…
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Cannot edit journald.conf

I'm working with a embedded linux machine that was made with Buildroot. The default user is root and I would like to edit /etc/systemd/journald.conf to set the SystemMaxUse to prevent the log files from taking all the limited space. When I try to…
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In the bind mount "hostPath:containerPath:ro" what dose the ro part do?

How do I know I need to add the ro or not? I know the ro stands for read only but why would you need a read only bind mount? How would it effect my docker-composer-yml Example: Containerizing a python app // docker-composer.yml ... volumes: -…
Andrew
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Block users from accessing anything outside home folder and run any executables on Windows

I am facing a quite complex problem and I do not know how to approach it in the best way. In short I need to block access (browse, display, run etc.) to anything outside of the profile/home directory on Windows + block installation and execution of…
BrX
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VM in Read-Only - no commands executed

A Ubuntu 18.04 LTS server VM has entered Read-Only Mode, to the point that basic commands such as ls are not executed anymore, and return the error message -bash: /usr/bin/ls: Input/output error, even for root. A Read-only state is usually fixed by…
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nslookup domain does not return RODC

i have a subnet which contains an RODC, however a prejoined domain-server cant authenticate inside the subnet. Running a "nslookup domain.com" does return a list of every DC except the RODC. I found an article on technet which stated the PTR record…
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VM filesystem in read-only mode

I have a VirtualBox Ubuntu VM with a virtual disk that is mounting as a read-only filesystem. I'm not sure why that is, and my attempts to remount as read/write haven't worked. One of the last things I did before it went read-only was to extend the…
Jeff Schuler
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How to create a readonly root linux: Can be mounted as writeable for persistent changes?

I'd like a read only file system that runs almost entirely in RAM but the compact flash or hardrive can be mounted and made writeable to make persistent changes. How do I do this on Linux? I've looked at several tutorials but none really explain how…
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XEN Server NFS SR read only

We have two Boxes running XEN XCP. One SR is located on an FreeNAS 9 NFS share. For some reason the NFS share turned read only which is pretty bad for one VM whose VDIs are located on the NFS SR. I have found many hints to change the NFS mount…
Rob
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MySQL : How to lock all write in all databases?

I need to block all writes (insert , update, delete) on all databases. How can I do that ? Put all database in Read Only for a period time.
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