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Groups > comp.mobile.android > #154085

Re: Can’t Set File Permissions

From "Carlos E.R." <robin_listas@es.invalid>
Newsgroups comp.mobile.android
Subject Re: Can’t Set File Permissions
Date 2026-06-07 14:32 +0200
Organization Tebibyte_Retro_Gaming
Message-ID <iv4gfmxbk2.ln2@Telcontar.valinor> (permalink)
References (6 earlier) <10vq8d5$n1g$1@dont-email.me> <u2i7fmx0aq.ln2@Telcontar.valinor> <10vsoi5$ltv2$1@dont-email.me> <fpoafmxbs4.ln2@Telcontar.valinor> <1103lmc$2fu0p$1@dont-email.me>

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On 2026-06-07 13:46, Alan Peeling wrote:
> On 05/06/2026 12:33, Carlos E.R. wrote:
>> On 2026-06-04 22:52, Alan Peeling wrote:
>>> On 04/06/2026 07:20, Carlos E.R. wrote:
>>>> I am able to save most files to a computer, by using MTP protocol in 
>>>> Linux. Sometimes I had success by using an FTP server on the phone.
>>>
>>> Are you able to save /Android/data/, /sdcard/Android, and most 
>>> subdirectories of /sdcard/Android?
>>>
>>
>> With FTP I have /Android/data/. I don't have an /sdcard/ directory on 
>> this phone.
>>
>> With mtpfs I also have "/Android/data/", but I had to run the copy 
>> several times till no errors were reported.
>>
>>
>> There is a thread here where we commented about it.
>>
>> Re: How do nonroot Android & nonjailbroken iOS run SMB servers to 
>> connect to each other & Windows?
>>
>> From: Herbert Kleebauer <...>
>>
>> Date: Thu, 24 Apr 2025 21:31:44 +0200
>>
>>
>>
>> But the copies I made are dated July.
>>
>> /2025-07-18-ftp                                             │ 23331M
>> /2025-07-18-mtpfs                                           │ 56257M
>> /2025-07-18-test                                            │ 56170M
>>
>> So the latest directory was made with a method that accessed more 
>> files. I don't remember what method I used :-?
>>
>> I will have to run tests again. I have a note that says to use FTP, 
>> but must be a different than the one used in the first directory.
>>
>>
>> My notes on the ftp method say:
>>
>> +++------------
>> Use Cx File Explorer on phone to activate ftp. The app can be 
>> backgrounded, swipe from the bottom.
>>
>> Copy over the files using mc to temporary directory. No, use FileZilla
>>
>> Finally, use rsync to save space.
>> ------------++-
>>
>>
>> Sigh, incomplete notes.
>>
>>
> I found the thread ‘How do nonroot Android & nonjailbroken iOS run SMB 
> servers to connect to each other & Windows?’ on https://newsgrouper.org/ 
> comp.mobile.android , thanks for the pointers. It is a killer thread, it 
> took me hours to read, and it's stuffed with the sort of flames that 
> make one embarrassed to be human.

I tried to point you to the exact post where we discussed backups :-)

> It did contain some gems, for example 
> I didn't know that Windows File Explorer could be used as an FTP client. 
> The app Carlos remembered seems to be WebDAV FS, which lets the phone 
> appear as a drive in File Explorer. That seemed like useful 
> functionality so I installed it. I know File Explorer already has 
> something similar but I've found it to be flaky and confusing; I can 
> never tell whether I'm working in the phone or in a copy of it on my C: 
> drive. I wasn't optimistic that WebDAV FS would solve the problem of 
> inaccessible Android folders. I was right not to be optimistic, when I 
> backed up through it I recovered fewer files than GoodSync Server 
> fetched, so in that respect it's a turkey. There was a tantalising post 
> suggesting that the Android FTP server primitive ftpd, not in a 
> sanitised version available though Play Store, but in a more resourceful 
> form that comes from F-Droid, could access off-limits Android folders. I 
> tried it and it doesn’t work.
> 
> Perhaps the way to back up my phone is to use Samsung Smart Switch after 
> major structural changes to its software and GoodSync Server for day-to- 
> day maintenance.
> 
> Whilst I was exploring I came across the news that, in a few weeks, 
> Google plans to block Android apps that it has not approved in a 
> bureaucratic and money consuming process. Everyone else may already know 
> about this but I didn’t. There is a site at https://keepandroidopen.org/ 
>   giving details and showing links that can be used for asking 
> regulatory bodies to oppose this nastiness.


One of these days I'm going to do a backup of my phone, and I'll post in 
this thread what I find.

I think it is the FTP server in Cx File Explorer in Android and 
Filezilla on the computer (Linux in my case)

(https://play.google.com/store/apps/details?id=com.cxinventor.file.explorer)


The thing is, only two things are of interest to me in the backup: 
photos/videos, and WhatsApp. The rest, I can just reinstall. Ok, SMSs too.


-- 
Cheers, Carlos.
ES🇪🇸, EU🇪🇺;

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Thread

Can’t Set File Permissions Alan Peeling <Alan@invalid.co.uk> - 2026-06-02 14:59 +0100
  Re: Can’t Set File Permissions Maria Sophia <mariasophia@comprehension.com> - 2026-06-02 09:30 -0600
    Re: Can’t Set File Permissions Alan Peeling <Alan@invalid.co.uk> - 2026-06-02 16:50 +0100
      Re: Can’t Set File Permissions Maria Sophia <mariasophia@comprehension.com> - 2026-06-02 18:33 -0600
        Re: Can’t Set File Permissions Alan Peeling <Alan@invalid.co.uk> - 2026-06-03 12:59 +0100
          Re: Can’t Set File Permissions Maria Sophia <mariasophia@comprehension.com> - 2026-06-03 08:37 -0600
            Re: Can’t Set File Permissions Alan Peeling <Alan@invalid.co.uk> - 2026-06-03 23:04 +0100
              Re: Can’t Set File Permissions Maria Sophia <mariasophia@comprehension.com> - 2026-06-03 17:37 -0600
                Re: Can’t Set File Permissions Alan Peeling <Alan@invalid.co.uk> - 2026-06-04 22:02 +0100
              Re: Can’t Set File Permissions "Carlos E.R." <robin_listas@es.invalid> - 2026-06-04 08:20 +0200
                Re: Can’t Set File Permissions Alan Peeling <Alan@invalid.co.uk> - 2026-06-04 21:52 +0100
                Re: Can’t Set File Permissions "Carlos E.R." <robin_listas@es.invalid> - 2026-06-05 13:33 +0200
                Re: Can’t Set File Permissions Maria Sophia <mariasophia@comprehension.com> - 2026-06-05 07:10 -0600
                Re: Can’t Set File Permissions Alan Peeling <Alan@invalid.co.uk> - 2026-06-05 16:07 +0100
                Re: Can’t Set File Permissions Maria Sophia <mariasophia@comprehension.com> - 2026-06-05 10:41 -0600
                Re: Can’t Set File Permissions Alan Peeling <Alan@invalid.co.uk> - 2026-06-05 23:06 +0100
                Re: Can’t Set File Permissions Alan Peeling <Alan@invalid.co.uk> - 2026-06-05 23:22 +0100
                Re: Can’t Set File Permissions Maria Sophia <mariasophia@comprehension.com> - 2026-06-05 19:12 -0600
                Re: Can’t Set File Permissions Andy Burns <usenet@andyburns.uk> - 2026-06-06 08:40 +0100
                Re: Can’t Set File Permissions Dave Royal <dave@dave123royal.com> - 2026-06-05 16:42 +0000
                Re: Can’t Set File Permissions Maria Sophia <mariasophia@comprehension.com> - 2026-06-05 10:54 -0600
                Re: Can’t Set File Permissions Alan Peeling <Alan@invalid.co.uk> - 2026-06-07 12:46 +0100
                Re: Can’t Set File Permissions "Carlos E.R." <robin_listas@es.invalid> - 2026-06-07 14:32 +0200
                Re: Can’t Set File Permissions Maria Sophia <mariasophia@comprehension.com> - 2026-06-07 09:46 -0600
                Re: Can’t Set File Permissions "Carlos E.R." <robin_listas@es.invalid> - 2026-06-07 20:09 +0200
                Re: Can’t Set File Permissions Alan Peeling <Alan@invalid.co.uk> - 2026-06-07 19:57 +0100
                Re: Can’t Set File Permissions "Carlos E.R." <robin_listas@es.invalid> - 2026-06-07 23:09 +0200
                Re: Can’t Set File Permissions Alan Peeling <Alan@invalid.co.uk> - 2026-06-08 00:45 +0100
                Re: Can’t Set File Permissions Maria Sophia <mariasophia@comprehension.com> - 2026-06-07 23:11 -0600
                Re: Can’t Set File Permissions "Carlos E.R." <robin_listas@es.invalid> - 2026-06-08 09:47 +0200
                Re: Can?t Set File Permissions Frank Slootweg <this@ddress.is.invalid> - 2026-06-21 14:33 +0000
                Doing a backup [Was: Can’t Set File Permissions] "Carlos E.R." <robin_listas@es.invalid> - 2026-06-08 13:11 +0200
                Re: Doing a backup Maria Sophia <mariasophia@comprehension.com> - 2026-06-08 10:51 -0600
                Re: Doing a backup "Carlos E.R." <robin_listas@es.invalid> - 2026-06-08 21:19 +0200
                Re: Doing a backup Maria Sophia <mariasophia@comprehension.com> - 2026-06-08 20:40 -0600
                Re: Doing a backup "Carlos E.R." <robin_listas@es.invalid> - 2026-06-09 20:04 +0200
                Re: Doing a backup Maria Sophia <mariasophia@comprehension.com> - 2026-06-09 12:41 -0600
                Re: Doing a backup "Carlos E.R." <robin_listas@es.invalid> - 2026-06-09 22:26 +0200
                Re: Doing a backup Dave Royal <dave@dave123royal.com> - 2026-06-09 21:57 +0100
                Re: Doing a backup [Was: Can’t Set File Permissions] "Carlos E.R." <robin_listas@es.invalid> - 2026-06-08 21:33 +0200
                Re: Can’t Set File Permissions Maria Sophia <mariasophia@comprehension.com> - 2026-06-07 09:27 -0600
                Re: Can?t Set File Permissions Frank Slootweg <this@ddress.is.invalid> - 2026-06-21 14:16 +0000
                Re: Can?t Set File Permissions "Carlos E. R." <robin_listas@es.invalid> - 2026-06-21 19:01 +0200
                Re: Can?t Set File Permissions Frank Slootweg <this@ddress.is.invalid> - 2026-06-22 14:44 +0000
  Re: Can’t Set File Permissions "Carlos E.R." <robin_listas@es.invalid> - 2026-06-02 18:06 +0200
    Re: Can’t Set File Permissions Alan Peeling <Alan@invalid.co.uk> - 2026-06-02 20:01 +0100

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