Issues using Link2SD with LineageOS 16 (/system not found in /proc/mounts) - LineageOS Questions & Answers

Hey guys,
i'm using Lineage OS 16 with the today's nightly build on my Xiaomi Mi A1.
I rooted it via Magisk and had no issues -until today.
Today I wanted to make another user app to a system app using Link2SD (the first working way I found), after the following restart, LOS did not boot anymore.
So I did a clean install, flashed LOS, (gapps,) Magisk, installed my favourite apps including Link2SD and tried to make a user app to a system app again, but I receive the message:
"Error
mount: 'system' not in /proc/mounts"
I approved SU permissions to Link2SD and in general root seems to work (using root checker and terminal with "su" command).
Do you have an idea what I can do? I'm clueless
Thanks
Sebastian

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Hi guys, this is the problem I'm facing. I was running the latest oxygen rom without any problems, until I decided to install polaris office. I downloaded the docmanager apk and read that I have to push it to /system/app. Anyway, I was trying to get system to be writable and testing the mount cmd... I entered mount into the emulator and got a bunch of mounted paths. I'm not sure if that has anything to do with what happened bur anyway I then downloaded busybox installer and installed busybox.
I rebooted and next thing I know, the default oxygen launcher appears instead of the go launcher I had installed and almost all apps are not listed. I check the app manager and it shows all the other apps in their package name with a sd card sign next to them.
I am running oxygen with sdext enabled. I am guessing I did something from the emulator that messed up sdext which has most of my apps.
Can anyone tell me how I can fix this? I'm not really sure what has actually happened, but if you need me to provide more info please let me know.
BTW, I downloaded the market apk again and when I tried to install it, android rebooted. I am guessing that's cause it tried to install it on sdext.
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CB7 & Custom fonts

Hello to all,
I'm having a problem when I try to install custom fonts in CB7. I use two methods but non of them work:
1. Using flashable fonts as per this post http://forum.xda-developers.com/android/themes/fonts-flashable-zips-t3219827 : The flash completes ok but the fonts do not change in OS.
2. Using root: ifont, hifont report that there is no free space in system folder so they can't install them. And when i manually replace the roboto-regular.ttf with the custom font, when i reboot the font has not changed.
Note that in official build 3.2.8 everything works fine.
Thanks!
Cb7 fills the system partition. Delete a Google app or 2 to free some space (Android pay for example). Then download those apps from the play store.
See if that fixes it. I haven't tried ifont on this device so I can't say it will work for sure bit that will give you space on the system partition.
Hello and thank you for the reply.
I deleted 2google apps through app management,
However i still get the same error...
I also tried with terminal to replace the stock fonts but after mount -o,rw remount,rw /system i get the error that the files are read only. Root checker reports that root is ok. Completely stuck here..

Folder Mount

Rooted now my G5 on Stock Rom, also get Root Access but get 2 issues which wasn´t planned :silly:
1. getting all couple of seconds a information that LED notifier are allowed to get root access (yes, it is set on don´t ask again, allow without timelimit...)
2. Reason why I´m rooted the phone was: Want a Couple of apps save on SD Card, now foldermount mention that supersu isn´t installed so can´t work properly
Any Ideas or maybe an alternative app to install apps on sd?
some apps only work with a certain superuser
superSU does work with the G5 but I don't think it works with stock rom - although I haven't tried (you have to root first then switch superuser although like I said haven't tried with stock rom but I have got supersu working on lineageos but I would stick to the inbuilt root)
If you want to root the G5 with stock I would use magisk - you need version 11.6 to flash in twrp then you can update to the latest version in magisk manager - only root works with magisk - dont use magisk hide or modules as they are currently not supported
If you are on lineageos just flash the suaddon zip (see the first post instructions on lineageos dev page)
An alternative app would be link2sd - please note you can natively move apps to sd but any apps that use a widget or require anything to do with internal storage will no longer work
For these apps its best to symlink them - this requires you to create a 2nd ext partition on your sd card then you link these apps to your sd card - They will then be on your sd card but act as though they are on internal because they are symlinked
Be warned that the more apps you link in this way you may find your phone become more laggy

mount '/system' not in /proc/mounts

After installing twrp and rooting with magisk everything is fine.
Adblock, Rootexplorer, Titanium, Link2Sd, etc. are working with root.
BUT if try to deinstall system apps, every app says "mount '/system' not in /proc/mounts"
How to change this?
How to enable call recording
Hi guys i have samsung a70 in stock rom wit root how can enable this in omc files
catdoggy said:
After installing twrp and rooting with magisk everything is fine.
Adblock, Rootexplorer, Titanium, Link2Sd, etc. are working with root.
BUT if try to deinstall system apps, every app says "mount '/system' not in /proc/mounts"
How to change this?
Click to expand...
Click to collapse
No one an idea? Searching by Google don't help, any solution to mount system failed with same error
PS: what mean "participated" in thread title?
catdoggy said:
No one an idea? Searching by Google don't help, any solution to mount system failed with same error
PS: what mean "participated" in thread title?
Click to expand...
Click to collapse
don't occupy root explorer you have to occupy another app with the magisk update is giving that error occupies mixplorer
pabloacuna568 said:
don't occupy root explorer you have to occupy another app with the magisk update is giving that error occupies mixplorer
Click to expand...
Click to collapse
Missunderstanding.... I tried 6 various apps to delete system apps-with the same error. Also with adb its not possible to mount system "partition"!.. Same failure.
What i have to write into "mounts" -file to mount system?

Question Root file manager impossible delete system file on Android 11

Hello all I want to delete Facebook services and Facebook installer app folder in root>system>priv-app directory... I installed some file manager app with root access but none can delete that folders... Anyone know how fix this problem ? This is a big problem for me...
Thanks to everyone.
Is the application running in the background. You can't modify files if they are currently in use
However otherwise it might be an issue with the way magisk works and so there might not be a solution (i.e magisk is systemless so it doesn't actually modify system files it just mounts modified file in such a way that Android sees the file changes whilst the actual system remains unmodified)
Angyone1 said:
Hello all I want to delete Facebook services and Facebook installer app folder in root>system>priv-app directory... I installed some file manager app with root access but none can delete that folders... Anyone know how fix this problem ? This is a big problem for me...
Thanks to everyone.
Click to expand...
Click to collapse
This is very complicated now. Systemless root has a lot of benefits but it also has lost some of its power. This is 1 area that is hard because technically no you can't touch the system otherwise it'll bootloop on all of my devices. If your rooted with magisk you have busybox magisk installed than you want to get system debloater module on magisk manager and use termux or terminal emulator but termux is the best than you can use the system debloater module to find system apps and uninstall them. It works on some of my android 11 devices not all it's getting outdated. I use it to uninstall Facebook and actually YouTube on Samsung that way I can use vanced YouTube properly. I don't understand why you can't just delete the app but the system isn't writable I believe. You would have to use adb or twrp recovery and there's no real information on this topic. Magisk isn't as good as people think though for instance the build prop module if it was really able to hide your device when I signed into my Google account it would say I was on a new device not the device I'm using trying to hide
Have you tried to remove them using TWRP? That shall do it.
Techguy777 said:
This is very complicated now. Systemless root has a lot of benefits but it also has lost some of its power. This is 1 area that is hard because technically no you can't touch the system otherwise it'll bootloop on all of my devices. If your rooted with magisk you have busybox magisk installed than you want to get system debloater module on magisk manager and use termux or terminal emulator but termux is the best than you can use the system debloater module to find system apps and uninstall them. It works on some of my android 11 devices not all it's getting outdated. I use it to uninstall Facebook and actually YouTube on Samsung that way I can use vanced YouTube properly. I don't understand why you can't just delete the app but the system isn't writable I believe. You would have to use adb or twrp recovery and there's no real information on this topic. Magisk isn't as good as people think though for instance the build prop module if it was really able to hide your device when I signed into my Google account it would say I was on a new device not the device I'm using trying to hide
Click to expand...
Click to collapse
thanks for the reply, I have tried with my old phone, mi note 3 with crdroid 7.8 rom and android 11 and I have rooted with magisk and installed the file manager, so I can delete and modified all the files ! why with mi note 3 yes and with poco f3 no? very strange...
laid1995 said:
Have you tried to remove them using TWRP? That shall do it.
Click to expand...
Click to collapse
yes thanks I think that in this way works... tomorrow I try... thx
Was it done in TWRP recovery mode? If yes please guide me with the steps... I actually tried the TWRP method unsuccessfully...
With swift backup, you can uninstall system apps using root.
Animesh Singh said:
With swift backup, you can uninstall system apps using root.
Click to expand...
Click to collapse
I installed Swift Backup (paid latest version) and tried uninstalling system app. But there is only option to disable system apps.
Also I need a way by which I can even paste files in system/app folder so that apps behave like system apps.
By the way I did use magisk module Systemizer. It was a bit complicated for me and did not give full access to the root folders.
[GUIDE] How to make your System RW / Super R/W read/write-able
Welcome to the one and only, the original, universal SystemRW / SuperRW feat. MakeRW / ro2rw by lebigmac This script removes the read-only lock of all partitions embedded in the super partition of your stock firmware. This allows you to mount...
forum.xda-developers.com
pl1992aw said:
[GUIDE] How to make your System RW / Super R/W read/write-able
Welcome to the one and only, the original, universal SystemRW / SuperRW feat. MakeRW / ro2rw by lebigmac This script removes the read-only lock of all partitions embedded in the super partition of your stock firmware. This allows you to mount...
forum.xda-developers.com
Click to expand...
Click to collapse
If anyone tries it successfully and it will work on F3, please let me know here. Thanks.
I can verify that the above procedure worked flawlessly in first attempt. My installed rom was Xiaomi.eu 12.5.4.0 on Poco F3/ Mi 11x btw. Thanks a lot...

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