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so I have been moving my Linux folders between different drives (an SSD and a regular hard drive). currently i have moved tmp, but after moved home very time i boot i get a low graphics mode error. what in user would have caused this? the home directory is soft linked back to the / directory.
unless you have a weird setup (non-standard) there is nothing in /home that would control this.
Does it still have issues if you move home back?
Are you sure you soft linked it correctly so that if you type
it goes to the correct location?
Are the permissions set correctly?
Did you move everything including hidden files (.* files)
Check your Disk Space of your server,I guess problem could be in your disk space,Check the disk usage using du -h . If it turns out that your disk is full, free up some space and reboot your machine
Distribution: K/Ubuntu 12.04/14.04, Scientific Linux 6.3/6.4, Android-x86, Pretty much all distros at one point...
I think you have two issues caused by the same thing,... The /home partition or directory has special connotations in the system... Xrandr is used to set resolutions...
Often with newer distros, Login managers use xrandr to determine the resolution. (I've noticed them getting it wrong lately.) I believe that is why you will, for example,... sometimes see a 4:3 login screen, and then get your 16:9 display after logging into the system.
When you say that you "moved" /home to the new drive,... did you change the mount point? Or did you simply move /home to the new drive and just link back to the old mount point? That's an easy, but potentially problematic way of expanding over onto the new drive...
That could be the source of your problem... I'm guessing that, somehow, that's not compatible with the way xrandr delivers the user's display preferences... And count on other problems as well...
The "correct" way to move home would have been to partition the new drive with it being the mount point for /home while using root authority, and dup the contents of the old /home to the new partition. You can get some differences of opinion in terms of how to accomplish this painlessly, ... & It's been a LONG time since I've done it, ...
... but as I remember... I think I did it by;
* dd-ing /home to a like filesystem (ext3 to ext3, ext4 to ext4, etc.), to avoid causing permission problems (i.e.: ext3 to FAT32 and back), calling it something like /home-old,
* partitioning the new drive as /home,...
* dd-ing the contents of /home-old to the new /home mount point,... and then
* booting to a Live CD and deleting the old /home partition, after I was sure the new one worked...
There might have been more steps to this, and this is purely from memory... and you could probably dd /home to an image format somewhere on the root drive and dd it to the /home partition, as opposed to what I did...
I install ubuntu and then boot a flash drive. Ubuntu was installed to my SSD and i am moving some files to an normal hard drive.
Once the flash booted I mounted the SSD in mnt and changed root to it. then i made a mount point on the SSD /my_drive. I added the HDD to the fstab file (it did work before i did any changes). then i moved the tmp and the home directories to the my_drive directory and did an ls -s to link them back.
On a side note i tried the same thing but moving only usr and tmp and had the same error.