Page 21 of 24

Re: (X)(L)ubuntu (MATE) 16.04 LTS

Posted: Tue Jun 28, 2016 8:32 am
by xeno74
kilaueabart wrote:I have been wondering whether there might be an easy way to get my nicely working MATE onto my SSD. It boots so slowly on the current rotating hard drive.

So, two questions:

1. Does this look right?

Code: Select all

bart@Amigaone:~$ df -h /dev/sdb2
Filesystem      Size  Used   Avail Use% Mounted on
devtmpfs        979M     0    979M   0%   /dev
Surely I have done something wrong. "Used 0"? Also, I get the same results for a flaky MATE on my SSD which surely should be different.

2. Would I be able to copy to a partition, or would it have to be an empty drive, as when I copied this current img?
1. Please post the output of lsblk.
2. Yes, it's possible to copy your ubuntu MATE partition to a SSD drive with a partition with the same size.

Re: (X)(L)ubuntu (MATE) 16.04 LTS

Posted: Wed Jun 29, 2016 2:07 am
by kilaueabart
xeno74 wrote:
kilaueabart wrote: 1. Does this look right?

Code: Select all

bart@Amigaone:~$ df -h /dev/sdb2
Filesystem      Size  Used   Avail Use% Mounted on
devtmpfs        979M     0    979M   0%   /dev
Surely I have done something wrong. "Used 0"? Also, I get the same results for a flaky MATE on my SSD which surely should be different.

1. Please post the output of lsblk.
Oops! I was sure that was what I did, above. When I try the df -h/lsblk[ from your earlier post, I get
df: invalid option -- '/'
I took that to mean I should leave a space. And googling lsblk led me to believe I should use the name of the partition the MATE to be copied was on, namely /dev/sdb2. Please explain further.
2. Yes, it's possible to copy your ubuntu MATE partition to a SSD drive with a partition with the same size.
Same size or larger? It might be hard to set up a partition to exactly the same size.

Re: (X)(L)ubuntu (MATE) 16.04 LTS

Posted: Wed Jun 29, 2016 7:53 am
by xeno74
kilaueabart wrote: Oops! I was sure that was what I did, above. When I try the df -h/lsblk[ from your earlier post, I get
df: invalid option -- '/'
I took that to mean I should leave a space. And googling lsblk led me to believe I should use the name of the partition the MATE to be copied was on, namely /dev/sdb2. Please explain further.
2. Yes, it's possible to copy your ubuntu MATE partition to a SSD drive with a partition with the same size.
Same size or larger? It might be hard to set up a partition to exactly the same size.
Please try

Code: Select all

lsblk
and

Code: Select all

df -h
separately.

Yes, to set up a larger partition is better.

Re: (X)(L)ubuntu (MATE) 16.04 LTS

Posted: Wed Jun 29, 2016 9:21 am
by kilaueabart
xeno74 wrote:
Please try

Code: Select all

lsblk
and

Code: Select all

df -h
separately.
Thanks. So that is what the "/" meant!

Code: Select all

bart@Amigaone:~$ lsblk
NAME    MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sdb       8:16   0 931.5G  0 disk 
├─sdb1    8:17   0   100M  0 part 
└─sdb2    8:18   0 488.3G  0 part /
bart@Amigaone:~$ df -h
Filesystem      Size  Used Avail Use% Mounted on
/dev/root       481G  7.5G  449G   2% /
devtmpfs        979M     0  979M   0% /dev
tmpfs           980M  360K  980M   1% /dev/shm
tmpfs           980M  9.4M  971M   1% /run
tmpfs           5.0M  4.0K  5.0M   1% /run/lock
tmpfs           980M     0  980M   0% /sys/fs/cgroup
cgmfs           100K     0  100K   0% /run/cgmanager/fs
tmpfs           196M   36K  196M   1% /run/user/1002
Do I need to add up all the Used amounts to come up with a minimum size for the of= partition? Actually I can spare a whole lot more than that.

Re: (X)(L)ubuntu (MATE) 16.04 LTS

Posted: Wed Jun 29, 2016 9:37 am
by xeno74
kilaueabart wrote: Thanks. So that is what the "/" meant!

Code: Select all

bart@Amigaone:~$ lsblk
NAME    MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sdb       8:16   0 931.5G  0 disk 
├─sdb1    8:17   0   100M  0 part 
└─sdb2    8:18   0 488.3G  0 part /
bart@Amigaone:~$ df -h
Filesystem      Size  Used Avail Use% Mounted on
/dev/root       481G  7.5G  449G   2% /
devtmpfs        979M     0  979M   0% /dev
tmpfs           980M  360K  980M   1% /dev/shm
tmpfs           980M  9.4M  971M   1% /run
tmpfs           5.0M  4.0K  5.0M   1% /run/lock
tmpfs           980M     0  980M   0% /sys/fs/cgroup
cgmfs           100K     0  100K   0% /run/cgmanager/fs
tmpfs           196M   36K  196M   1% /run/user/1002
Is /dev/sdb2 a partition on your SSD drive?

Re: (X)(L)ubuntu (MATE) 16.04 LTS

Posted: Thu Jun 30, 2016 3:05 am
by kilaueabart
xeno74 wrote:
kilaueabart wrote:

Code: Select all

bart@Amigaone:~$ lsblk
NAME    MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sdb       8:16   0 931.5G  0 disk 
├─sdb1    8:17   0   100M  0 part 
└─sdb2    8:18   0 488.3G  0 part /
Is /dev/sdb2 a partition on your SSD drive?
No, that's a 1 TB rotary, the one I emptied to successfully copy the MATE img to.
The SSD is /dev/sdc:

Code: Select all

sdc       8:32   0 465.8G  0 disk 
├─sdc1    8:33   0  42.9G  0 part 
├─sdc2    8:34   0  50.8G  0 part 
└─sdc3    8:35   0 372.1G  0 part
I'm not sure what the partitions are. GParted says sdc1 is red-disk "!" unknown, nothing used. sdc2 is ext4, 50.74 Gib with 14.27 GiB used.
Neither of these first two has a label or a flag.

sdc3 is another red-disk "!" but ext4, labeled "Ubuntu_16.04," 372.11 GiB of which 4.48 is used. I think this was one of my MATE failures.

Re: (X)(L)ubuntu (MATE) 16.04 LTS

Posted: Thu Jun 30, 2016 9:58 am
by xeno74
Bart,

What do you think about to remove all the partitions on your SSD disk and then copy your working ubuntu MATE partition with dd to the SSD disk?

Cheers,

Christian

Re: (X)(L)ubuntu (MATE) 16.04 LTS

Posted: Sat Jul 02, 2016 4:29 am
by kilaueabart
I wonder, Christian, does Ubuntu have an equivalent of Amiga's NVGetVar, a way to look at CFE?

When I looked at CFE during my next boot, I found out that /dev/sdc2 on the SSD is my working Ubuntu 12.04 LTS, and /sdc3 is MATE, probably the one I copied over from my UBS stick. I don't use 12.04 any more, except in emergencies, and though it boots fine and has all kind of goodies lying around on the disktop, I can't really get on the SSD MATE -- apparently the User/Password combination is no longer "Amigaone/amigaone." This could be a good chance for me to review how to fix lost passwords, but what I think I will do instead is dump that MATE and see if I can copy the up-to-date one to that space. Maybe I won't have to delete the 12.04 partition?

I'll probably make some mistakes on the way; I'm not positive it can be done, but I'm gonna experiment.

But on second thought, it seems to me that even if I empty the SSD of everything, that's only 465.8G to copy sdb's 488.3G into! What are the chances that I can make sdb smaller with GParted before I copy? I don't think MATE really takes up that much room.

Bart

Re: (X)(L)ubuntu (MATE) 16.04 LTS

Posted: Sun Jul 03, 2016 4:43 am
by kilaueabart
Everything but one thing seems to have come out fine. I reduced the size of the working MATE /dev/sdb2 partition to about 10% of its original monster size. I tried to Quit/Cancel while it still said "checking and repairing file system," thinking maybe files get scattered here and there and they won't necessarily be saved even in a new space considerably larger than that reported as "used," but too late. It was already shrunk. So I proceeded to copy it to the newly formatted /dev/sdc3, using GParted instead of "cp -a ..." or "dd -R ..." or whatever, and it seems to have worked OK to the extent that I can launch the /sdc3 MATE which looks and acts just like the /sdb2 one.

For some reason, the fact that both partitions have the same UUID doesn't seem to hurt. Maybe because /sdb2 has an additional PARTUUID that /sdc3 lacks? I have been unable so far to change the /sdc3 UUID with "uuidgen" and "tune2fs /dev/sdc3 -U 'uuid.'" Terminal relays the complaint, "... couldn't find valid filesystem superblock ..." Meanwhile, "sudo fsck /dev/sdc3" insists that partition is "clean" and doesn't offer to help.

I wonder if that cloned UUID matter will become a problem down the road? I'm next going to time how long booting the two MATEs takes, and if /sdc3 is really faster, that's the one I'll use until I do run into any problems.

Actually I should have had it timed by now. I've been bouncing back and forth among the two MATEs and 12.04 all afternoon, to have whatever I needed to work on come up unmounted. Color me pooped.

Re: (X)(L)ubuntu (MATE) 16.04 LTS

Posted: Thu Jul 28, 2016 6:24 am
by xeno74
Version 16.04.1 of Lubuntu, Xubuntu, and ubuntu MATE is available.

ubuntu-mate.org