[mythtv-users] Very strange problems .. please help!

[Michael Watson]

On 17/09/2014 11:01 AM, Damian wrote:
> On 17/09/2014 00:33, Hika van den Hoven wrote:
>> Hoi Damian,
>>
>> Wednesday, September 17, 2014, 1:12:42 AM, you wrote:
>>
>>> Hello all,
>>
>>> I've been using Mythbuntu for years and currently have version
>>> 12.04.5 LTS of Xbuntu/Mythbuntu installed on my home server.
>>
>>> The system has been very stable for a long time, but I have       
>>> encountered some trouble tonight!
>>> It seems like all of the disks are write protected or something.
>>
>>> I have run
>>> sudo mount -o rw,remount /
>>> (found online)
>>> on all of the drives, but that doesn't seem to help.
>>
>>> Here's the output of df -h (again, that command online)
>>> df -h
>>> Filesystem      Size  Used Avail Use% Mounted on
>>> /dev/sda1        15G  8.6G  5.4G  62% /
>>> udev            3.8G  4.0K  3.8G   1% /dev
>>> tmpfs           787M  1.3M  785M   1% /run
>>> none            5.0M     0  5.0M   0% /run/lock
>>> none            3.9G     0  3.9G   0% /run/shm
>>> /dev/sda4       189G  108G   72G  60% /tv
>>> /dev/sdb1       1.8T  1.5T  269G  85% /files
>>
>>> A few other observations that might help track down the problem     ...
>>
>>> A) If I try to add anything in Synaptic, I get the error:
>>> E: Can't write /root/.synaptic/selections.proceed
>>> and one of the lines I see in the terminal is:
>>> socket.error: [Errno 28] No space left on device
>>
>>> B) If I try to create a file in my home directory, using nautilus   
>>> get the error:
>>> There was an error creating the directory in /home/gingerserver.
>>> and
>>> Error opening file '/home/homeserver/Untitled Document': No space   
>>> left on device
>>> in 'show more details'
>>
>>> C) If I try to run Dropbox, I see ...
>>> IOError: [Errno 2] No usable temporary directory found in ['/tmp',
>>> '/var/tmp', '/usr/tmp', '/home/homeserver']
>>> in the terminal.
>>> I then see a 'Downloading Dropbox' graphic pop up and scroll all
>>> the way to 100%. As soon as it gets to 100%, the GUI says:
>>> Trouble connecting to Dropbox servers. Maybe your internet
>>> connection is down, or you need to set your http_proxy environment   
>>> variable.
>>
>>> D) If I try to open Firefox, the terminal says:
>>> ** (firefox:5407): ERROR **: Resource problem creating 
>>> '/tmp/orbit-homeserver'
>>> Trace/breakpoint trap (core dumped)
>>
>>> Although I have been using Mythbuntu for years, I know almost
>>> nothing about the command line. Everything I've entered above has
>>> been from trying to find a solution online and simply copying and    
>>> pasting the command.
>>
>>> I have been close to backing up this system before upgrading it to
>>> the latest version of Mythbuntu. I assume I should try to get this
>>> fixed before I start upgrading now!
>>
>>> Let me know if you have any ideas what to do next.
>>
>>> Thanks,
>>> Damian
>>
>> This sounds like your root system is mounted read-only. This can
>> happen due to an error during boot. Try booting of a linux cd/dvd or
>> usb stick and run fsck -f on the root device.
>>
>> Tot mails,
>>    Hika                            mailto:hikavdh at gmail.com
>
> Thanks Hika,
>
> I'll try that tomorrow!
The output of "mount" (without any arguments) will tell you whether its 
mounted ro or not.  It should give you something like

/dev/sda1 on / type ext4 (rw,errors=remount-ro)