Re: [DNG] gvfs depends on libsystemd0

2017-04-09 Thread Joachim Fahrner 

Am 2017-04-10 00:39, schrieb Daniel Abrecht:

I think automatically mounting thumb drives is very different from
mounting them when I klick on them in my file manager. Things like
automatically mounting removable medias or even auto starting
applications, I don't want that.


I also don't like automount on usb drives. I like to see them appear 
automatically in the filemanager, mount them as needed with a single 
click, and unmount them also with a single click to remove them.


For drives that should automount (such as NAS) I use autofs.

Jochen

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Re: [DNG] gvfs depends on libsystemd0

2017-04-09 Thread Rick Moen 
Quoting Steve Litt (sl...@troubleshooters.com):

> I think I know why, but I'll ask you anyway. Why don't you just put
> mount in /etc/sudoers and make it not require a password?

IMO, mounting / umounting is a sensitive operation (which is why Unix
makes it be that way, unless you screw with it) and should be treated as
such.

Also, I typically don't bother to set up sudo on my own systems.
Never really saw a compelling advantage, and I like to keep a nice,
clean distinction between privileged shells and non-privileged ones.

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Re: [DNG] gvfs depends on libsystemd0

2017-04-09 Thread Adam Borowski 
On Sun, Apr 09, 2017 at 10:39:28PM +, Daniel Abrecht wrote:
> On 04/09/2017 08:01 PM, Steve Litt wrote:
> > On Sun, 09 Apr 2017 08:24:15 +0200
> > Joachim Fahrner  wrote:
> >> without gvfs PCmanFM does not mount external usb drives
> >
> > Somewhere back in the archives I submitted a shellscript to
> > automatically mount thumb drives without a file manager.
> 
> I think automatically mounting thumb drives is very different from
> mounting them when I klick on them in my file manager. Things like
> automatically mounting removable medias or even auto starting
> applications, I don't want that. What if I want to rescue a faulty
> thumb drives for example, automatically mounting it would could
> damage it even further. I think that Linux doesn't do or change things
> on it's own like Windows used to be a big strength of it.

Automatically mounting is a security hole.  Last millenium, I've found a
kernel crasher in something as primitive as vfat upon mounting a tainted
floppy -- a looped directory was enough to kill Linux 2.0.30 and Win95.

Since then, security of filesystem drivers has vastly improved, but so has
complexity of filesystems.  FAT is _trivial_ compared to anything modern.
I see no way even a maintained filesystem to be 100% resilient against DoS
by mounting a crafted volume -- and there's a good chance there'll be
arbitrary code execution as well.  Unlike network code that's carefully
written to be secure, at considerable efficiency cost, no one really bothers
for this with filesystems.  And even if someone did, it takes just one buggy
filesystem -- Debian/Devuan kernels enable support for such dubious stuff as
hfs or qnx4.

I also can't recall ever connecting a "data" USB thingy to an Unix box --
and I have an USB stick and two SD readers on my desk right now; it's all
installer media, ARM SoC disks, etc.  Nothing for non-root to look at.

I don't think a regular user has any reason to mount a fancy filesystem.


-- 
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⣾⠁⢠⠒⠀⣿⡁
⢿⡄⠘⠷⠚⠋⠀ Collisions shmolisions, let's see them find a collision or second
⠈⠳⣄ preimage for double rot13!
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Re: [DNG] gvfs depends on libsystemd0

2017-04-09 Thread Steve Litt 
On Sun, 9 Apr 2017 17:01:21 -0700
Rick Moen  wrote:

> Quoting Joachim Fahrner (j...@fahrner.name):
> 
> > Hi,
> > how can I get rid of libsystemd0? gvfs depends on it, and without
> > gvfs PCmanFM does not mount external usb drives.   
> 
> > Is there a way to user mount external drives without gvfs?  
> 
> My way of mounting external drives:
> 
> $ tail /var/log/dmesg   # Note the device name
> $ su -
> # mount /dev/sdXX /mnt
> # exit

I think I know why, but I'll ask you anyway. Why don't you just put
mount in /etc/sudoers and make it not require a password?
 
SteveT

Steve Litt 
April 2017 featured book: Troubleshooting Techniques
 of the Successful Technologist
http://www.troubleshooters.com/techniques
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Re: [DNG] gvfs depends on libsystemd0

2017-04-09 Thread Rick Moen 
Quoting Joachim Fahrner (j...@fahrner.name):

> Hi,
> how can I get rid of libsystemd0? gvfs depends on it, and without
> gvfs PCmanFM does not mount external usb drives. 

> Is there a way to user mount external drives without gvfs?

My way of mounting external drives:

$ tail /var/log/dmesg   # Note the device name
$ su -
# mount /dev/sdXX /mnt
# exit

Worked twenty years ago, works the same today.


Looking for a graphical file manager?  I suggest bash in an xterm.  ;->

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Re: [DNG] gvfs depends on libsystemd0

2017-04-09 Thread Steve Litt 
On Sun, 9 Apr 2017 22:39:28 +
Daniel Abrecht  wrote:

> On 04/09/2017 08:01 PM, Steve Litt wrote:
> > On Sun, 09 Apr 2017 08:24:15 +0200
> > Joachim Fahrner  wrote:  
> >> without gvfs PCmanFM does not mount external usb drives  
> >
> > Somewhere back in the archives I submitted a shellscript to
> > automatically mount thumb drives without a file manager.  
> 
> I think automatically mounting thumb drives is very different from
> mounting them when I klick on them in my file manager. Things like
> automatically mounting removable medias or even auto starting
> applications, I don't want that. What if I want to rescue a faulty
> thumb drives for example, automatically mounting it would could
> damage it even further. I think that Linux doesn't do or change things
> on it's own like Windows used to be a big strength of it.
> 
> Daniel Abrecht

Mounting them only on user demand would be even easier. Here's my
choosethumb.sh, which assists me to ask to mount a thumb drive:


=

#!/bin/sh

# Copyright (C) 2017 by Steve Litt
# Licensed with the Expat license:
#   http://directory.fsf.org/wiki/License:Expat

mountsfile=/tmp/mounts.tmp
mountdir=$HOME/media

usage(){
  echo
  echo 'USAGE: choosethumb.sh [-m|-u]'
  echo ' for mount and umount respectively'
  echo ' must have sudo rights to mount/umount'
  echo
  exit 9
}

listdevs(){
  readlink /dev/disk/by-id/*-part* | \
   awk -F/ '{print $NF}' | sort -u
}

listthumbs(){
  readlink /dev/disk/by-id/usb-*:?-part* | \
   awk -F/ '{print $NF}' | sort -u
}

handledevs(){
  while read thisdev; do
if grep $thisdev $mountsfile > /dev/null; then
  echo `grep $thisdev $mountsfile`
else
  echo $thisdev '   unmounted'
fi
  done
}

orgdir=`pwd`
cd $HOME

mount | grep ^/dev/sd | \
  sed -e 's+^/dev/++' -e 's+type.*++' > \
  $mountsfile


if test "$#" != "1"; then
  usage
elif test "$1" = "-m"; then
  mychoice=`listthumbs  | handledevs | sort -u | \
dmenu -l 20 -fn 10x20`
  resultt=$?
  myfcn=m
elif test "$1" = "-u"; then
  mychoice=`listthumbs  | handledevs | \
grep -v "unmounted" | sort -u | \
dmenu -l 20 -fn 10x20`
  resultt=$?
  myfcn=u
else
  usage
fi
  
if test "$resultt" = "0"; then
  trimchoice=`echo $mychoice | cut -f 1 -d " "`
  if test "$myfcn" = "m"; then
mkdir -p $mountdir/$trimchoice
if sudo mount /dev/$trimchoice $mountdir/$trimchoice; then
  echo "Mounted /dev/$trimchoice on $mountdir/$trimchoice"
else
  echo "Mount FAILED: /dev/$trimchoice on "
  echo "$mountdir/$trimchoice"
  exit 2
fi
  elif test "$myfcn" = "u"; then
if sudo umount /dev/$trimchoice; then
  echo -n "UnMounted /dev/$trimchoice away "
  echo "from $mountdir/$trimchoice"
else
  echo "Failed to unmount /dev/$trimchoice"
  echo "Check what is using it and try again."
  exit 3
fi
  else
echo "Internal argument error, call programmer, aborting."
exit 5
  fi
else
  if test "$myfcn" = "m"; then
echo 'User declined to mount.'
  else
echo 'User declined to unmount.'
  fi
  exit 1
fi
cd $ORGDIR
exit 0


=

Modify to suit your taste.

SteveT

Steve Litt 
April 2017 featured book: Troubleshooting Techniques
 of the Successful Technologist
http://www.troubleshooters.com/techniques
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Re: [DNG] gvfs depends on libsystemd0

2017-04-09 Thread fsmithred 
On 04/09/2017 02:24 AM, Joachim Fahrner wrote:
> Hi,
> how can I get rid of libsystemd0? gvfs depends on it, and without gvfs
> PCmanFM does not mount external usb drives. Is there a way to user mount
> external drives without gvfs?
> 
> Jochen
> 
> 

PCmanFM mounts external usb drives for me without libsystemd0 installed. I
guess it's using pmount, which is installed. What it does not seem to do
is un-mount the drive, even though it acts like it does. I had to run
'pumount ' to get rid of it.

There's also usbpmount, which I wrote for those of use who use Thunar and
don't want libsystemd0. It uses yad for a graphical front-end, and it does
not auto-mount. You have to make a couple of clicks for it to happen.
https://sourceforge.net/projects/refracta/files/Extras/

Steve says he wrote one, but I think he actually wrote two. One was less
than two months ago (see post "Thumb drive chooser" Feb 19). And one was
more than a few months ago.


fsmithred


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Re: [DNG] grub background image

2017-04-09 Thread fsmithred 
On 04/09/2017 08:32 AM, Joachim Fahrner wrote:
> Hi,
> how is the grub background image set on Devuan? I'm missing a background
> image, I have only the default blue background in grub.
> 
> I studied /etc/grub.d/05_debian_themes, but there are lots of variables I
> don't know.

desktop-base is supposed to handle that, but it's not cooperating. You can
bypass it by adding the following (one) line to /etc/default/grub

GRUB_THEME=/usr/share/desktop-base/grub-themes/desktop-grub-them/theme.txt

and then running update-grub.

If you want a different background image, then you could just add an image
file to /boot/grub/ and then run update-grub.



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Re: [DNG] gvfs depends on libsystemd0

2017-04-09 Thread Daniel Abrecht 
On 04/09/2017 08:01 PM, Steve Litt wrote:
> On Sun, 09 Apr 2017 08:24:15 +0200
> Joachim Fahrner  wrote:
>> without gvfs PCmanFM does not mount external usb drives
>
> Somewhere back in the archives I submitted a shellscript to
> automatically mount thumb drives without a file manager.

I think automatically mounting thumb drives is very different from
mounting them when I klick on them in my file manager. Things like
automatically mounting removable medias or even auto starting
applications, I don't want that. What if I want to rescue a faulty
thumb drives for example, automatically mounting it would could
damage it even further. I think that Linux doesn't do or change things
on it's own like Windows used to be a big strength of it.

Daniel Abrecht





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Re: [DNG] gvfs depends on libsystemd0

2017-04-09 Thread Steve Litt 
On Sun, 09 Apr 2017 08:24:15 +0200
Joachim Fahrner  wrote:

> Hi,
> how can I get rid of libsystemd0? gvfs depends on it, and without
> gvfs PCmanFM does not mount external usb drives. Is there a way to
> user mount external drives without gvfs?
> 
> Jochen

Somewhere back in the archives I submitted a shellscript to
automatically mount thumb drives without a file manager. Someone else
improved it dramatically.

Everyone: This is going to come up again and again to the extent that
maybe Devuan should offer this kind of script to everyone, kind of like
KatolaZ created a CLI-capable shellscript that replaced NetworkManager
and Wicd.

 
SteveT

Steve Litt 
April 2017 featured book: Troubleshooting Techniques
 of the Successful Technologist
http://www.troubleshooters.com/techniques
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Re: [DNG] gvfs depends on libsystemd0

2017-04-09 Thread Hendrik Boom 
On Sun, Apr 09, 2017 at 12:58:27PM +0200, Joachim Fahrner wrote:
> 
> Thanks for that hint. SpaceFM in conjunction with udevil is great. So I can
> get rid of this ugly gvfs. gfvs is broken by design, because it creates a
> ~/.gvfs directory which is not accessible by root. So every backup tool
> fails when accessing this directory.
> 
> It is untypical for Unix systems that root cannot access everything on the
> local machine. I'm wondering how they achieve that, it should not be
> possible at all.

I don't know how gvfs does it, but it can be done with a user file system.
It happens all the time when I use sshfs.  An ssh file system allows only the 
user 
who mounted it to access it.  Since sshfs, once it gains control, can do as it 
pleases, if can simply refuse to allow opeations under whatever criteria are 
coded 
into it.

-- hendrik
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[DNG] grub background image

2017-04-09 Thread Joachim Fahrner 

Hi,
how is the grub background image set on Devuan? I'm missing a background 
image, I have only the default blue background in grub.


I studied /etc/grub.d/05_debian_themes, but there are lots of variables 
I don't know.

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Re: [DNG] gvfs depends on libsystemd0

2017-04-09 Thread Joachim Fahrner 

Am 2017-04-09 10:43, schrieb Florian Zieboll:


I use spacefm. With some config-tweaking it is a perfect (and much more
flexible) replacement for pcmanfm and alike:


Thanks for that hint. SpaceFM in conjunction with udevil is great. So I 
can get rid of this ugly gvfs. gfvs is broken by design, because it 
creates a ~/.gvfs directory which is not accessible by root. So every 
backup tool fails when accessing this directory.


It is untypical for Unix systems that root cannot access everything on 
the local machine. I'm wondering how they achieve that, it should not be 
possible at all.


I feel more and more that the Gnome devs have no basic understanding of 
unix systems.


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Re: [DNG] gvfs depends on libsystemd0

2017-04-09 Thread Florian Zieboll 
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256

On Sun, 09 Apr 2017 08:24:15 +0200
Joachim Fahrner  wrote:

> Hi,
> how can I get rid of libsystemd0? gvfs depends on it, and without
> gvfs PCmanFM does not mount external usb drives. Is there a way to
> user mount external drives without gvfs?
> 
> Jochen



Hallo Jochen,

I use spacefm. With some config-tweaking it is a perfect (and much more
flexible) replacement for pcmanfm and alike:

https://ignorantguru.github.io/spacefm/ 

IIRC, there also was a WindowMaker dockapp, but I couldn't find it
right now on the fly. If you look for reverse dependencies of udevil,
udisks or pmount, you'll probably find some more suitable tools with a
GUI.

libre Grüße,

Florian
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[DNG] gvfs depends on libsystemd0

2017-04-09 Thread Joachim Fahrner 

Hi,
how can I get rid of libsystemd0? gvfs depends on it, and without gvfs 
PCmanFM does not mount external usb drives. Is there a way to user mount 
external drives without gvfs?


Jochen


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