file copy problem: filename too long
Nio Wiklund
nio.wiklund at gmail.com
Sun Sep 27 14:24:51 UTC 2015
Hi Tom,
Not quite like that.
This drive that you show with lsblk has 'only' encrypted home with
cryptswap.
The other system, that you showed earlier, the netbook(?) has a mapped
root partition. lsblk would show more details, and I think that system
has .encrypted disk'.
/dev/mapper/lubuntu--vg-root ext4 152432756 28978632 115687904 21% /
I don't know all the details of the 'encrypted home' system, if there
are limits to the file names (size, use of special characters etc).
Best regards
Nio
Den 2015-09-26 kl. 17:10, skrev Tom Cloyd:
>
> Nio,
>
> Thanks. I'm learning a lot with this inquiry. Here's the output I get
> with the command you suggest:
>
> tomc at LDT:/$ sudo lsblk -fm
>
> [sudo] password for tomc:
>
> NAME FSTYPE LABEL UUID MOUNTPOINT NAME SIZE OWNER GROUP MODE
>
> sda sda 298.1G root disk brw-rw----
>
> ├─sda1 ext4 35b917be-57cf-4a8b-8064-5081d394b269 / ├─sda1 295.1G root disk brw-rw----
>
> └─sda5 swap 4a980b3c-1e88-473f-99ef-7a1542d93503 └─sda5 3G root disk brw-rw----
>
> └─cryptswap1 swap 635c8c41-645c-4819-b4b4-86bff68091c1 [SWAP] └─cryptswap1 3G root disk brw-rw----
>
> sdb sdb 149.1G root disk brw-rw----
>
> └─sdb1 ext4 data 65e8d99c-e515-49b0-885b-dba9249560af /media/tomc/data └─sdb1 149.1G root disk brw-rw----
>
> sr0 sr0 1024M root cdrom brw-rw----
>
> tomc at LDT:/$
>
>
> If I read this right, it's telling me that sda (my desktop hard drive)
> is an encrypted drive, rather than containing merely an encrypted /home.
> Please correct me if I'm wrong.
>
> Beyond that, I don't know how to use this to make progress on my file
> copy problem. I have some other responses to my query, and I'm going to
> check them out now.
>
> Thanks again,
>
> Tom
>
> On 09/26/2015 12:51 AM, Nio Wiklund wrote:
>> Hi Tom,
>>
>> ecryptfs indicates 'encrypted home' and
>>
>> /dev/mapper/lubuntu--vg-root indicates LVM partitions which are used
>> with 'encrypted disk'.
>>
>> You can get more details about the partitions and file systems from the
>> following command (make the terminal window wide enough for the long
>> lines in the output).
>>
>> sudo lsblk -fm
>>
>> Good luck
>> Nio
>>
>> Den 2015-09-26 kl. 09:33, skrev Tom Cloyd:
>>> Aere,
>>>
>>> First, that's a question I've never encountered before, and I really
>>> don't know what you're asking. But Google seems to, and one answer I got/dev/mapper/lubuntu--vg-root ext4 152432756 28978632 115687904 21% /
>>> was to issue a *df -T* command to get filesystem information.
>>>
>>> So, here's the response I get on my *desk top*, with the USB HD
>>> (/media/tomc/data) mounted:
>>>
>>> tomc at LDT:/$ df -T
>>> Filesystem Type 1K-blocks Used Available Use% Mounted on
>>> udev devtmpfs 1530592 0 1530592 0% /dev
>>> tmpfs tmpfs 309092 5256 303836 2% /run
>>> /dev/sda1 ext4 304448824 165895764 123064908 58% /
>>> tmpfs tmpfs 1545448 740 1544708 1% /dev/shm
>>> tmpfs tmpfs 5120 4 5116 1% /run/lock
>>> tmpfs tmpfs 1545448 0 1545448 0%
>>> /sys/fs/cgroup
>>> tmpfs tmpfs 309092 12 309080 1%
>>> /run/user/1000
>>> /home/tomc/.Private ecryptfs 304448824 165895764 123064908 58% /home/tomc
>>> /dev/sdb1 ext4 153704484 55642056 90231596 39%
>>> /media/tomc/data
>>> tomc at LDT:/$
>>>
>>> And on my *netbook* (USB HD is not mounted):
>>>
>>> tomc at LT:~$ df -T
>>> Filesystem Type 1K-blocks Used Available Use%
>>> Mounted on
>>> udev devtmpfs 497380 0 497380 0% /dev
>>> tmpfs tmpfs 101656 13328 88328 14% /run
>>> /dev/mapper/lubuntu--vg-root ext4 152432756 28978632 115687904 21% /
>>> tmpfs tmpfs 508276 76 508200 1%
>>> /dev/shm
>>> tmpfs tmpfs 5120 4 5116 1%
>>> /run/lock
>>> tmpfs tmpfs 508276 0 508276 0%
>>> /sys/fs/cgroup
>>> /dev/sda1 ext2 240972 72053 156478 32%
>>> /boot
>>> cgmfs tmpfs 100 0 100 0%
>>> /run/cgmanager/fs
>>> tmpfs tmpfs 101656 12 101644 1%
>>> /run/user/1000
>>> tomc at LT:~$
>>>
>>> Something I might mention which could have bearing. For professional
>>> reasons, I need to have at least my main personal account directory
>>> encrypted. So, I took the encryption option offered when installing
>>> Lubuntu (I had been running Kubuntu). But I didn't get the same response
>>> for both desktop and netbook. (Recall that with the netbook I am NOT
>>> having this filelength copy issue).
>>>
>>> I neglected to take notes, and cannot reliably recall, but on one of the
>>> installs I WAS able to encrypt the whole disk. On the other install, the
>>> installer refused to do that and would only let me encrypt /home. Can
>>> you tell, looking at the above, which machine has only /home encrypted?
>>>
>>> I hope this is the information you need. Thanks for your help. Much
>>> appreciated.
>>>
>>> Tom
>>>
>>> On 09/25/2015 09:17 PM, Aere Greenway wrote:
>>>> Tom:
>>>>
>>>> What type of file-system was originally copied to the USB hard-drive,
>>>> and what type of file-system are you copying it to?
>>>>
>>>> - Aere
>>>>
>>>>
>>>> On 09/25/2015 04:04 PM, Tom Cloyd wrote:
>>>>> I'm baffled by a problem which I'm having on my Lubuntu install
>>>>> [15.04] on my Dell Inspiron which is NOT occurring on my HP Mini 110
>>>>> netbook. The OS installation on the HP netbook is identical to that
>>>>> on the Dell so far as I know.
>>>>>
>>>>> In trying to copy several large directories from a backup USB
>>>>> harddrive, I get a refusal to copy on the Dell due to a number
>>>>> (several hundred) of filenames' being too long.
>>>>>
>>>>> I NEED to complete this directory copy. Can anyone advise me as to
>>>>> how to resolve this problem?
>>>>>
>>>>> Thanks!
>>>>>
>>>>> Tom
>>>>>
>>>>>
>>>>> --
>>>>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>>>>>
>>>>> Human beings are not born once and for all on the day their mothers
>>>>> give birth to them,
>>>>> but...life obliges them over and over again to give birth to themselves.
>>>>>
>>>>> ~ Gabriel García Márquez
>>>>>
>>>>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>>>>> Tom Cloyd, MS MA LMHC (WA)
>>>>> Psychotherapist (psychological trauma, dissociative disorders)
>>>>> Spokane, Washington, U.S.A: (435) 272-3332
>>>>> << tc at tomcloyd.com <mailto:tc at tomcloyd.com> <mailto:tc at tomcloyd.com <mailto:tc at tomcloyd.com>> >> (email)
>>>>> << TomCloyd.com >> (website)
>>>>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>>>>>
>>>>>
>>>> --
>>>> Sincerely,
>>>> Aere
>>> --
> --
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> Human beings are not born once and for all on the day their mothers give
> birth to them,
> but...life obliges them over and over again to give birth to themselves.
>
> ~ Gabriel García Márquez
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Tom Cloyd, MS MA LMHC (WA)
> Psychotherapist (psychological trauma, dissociative disorders)
> Spokane, Washington, U.S.A: (435) 272-3332
> << tc at tomcloyd.com <mailto:tc at tomcloyd.com> >> (email)
> << TomCloyd.com >> (website)
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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