A universally unique identifier (UUID)

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2answers
40 views

Permissions - Listing uid

Two part question: What is a world-writeable directory and file? I'm looking for a script that would display the directories on all partitions of a server, that are not owned by root or a system ...
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1answer
502 views

Why /dev/disk/by-id/ change after a suddenly server power-off?

I'm management a server that in /etc/fstab have references to some partitions using /dev/disk/by-id/DISK_ID-partN. The server suddenly power-off and DISK_ID part of /dev/disk/by-id/DISK_ID-partN ...
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1answer
709 views

Where do I find the UUID of a network connection on Ubuntu Server? (no Network-Manager)

I have a clean installation of Ubuntu 12.04 Server. I would like to find the UUID for a network connection. How do I find this? ifconfig -a does not list it: eth0 Link encap:Ethernet HWaddr ...
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1answer
242 views

How to use 'rsync' to copy ubuntu system to another disk?

I use LiveCD and rsync -av to copy ubuntu system to another disk(same machine). What needs to be revised? UUID in boot.cfg. UUID in fstab. Anything else? Do I need to revise 'initramfs'? ...
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1answer
258 views

blkid encrypted partition to get UUID

Partition is created with: cryptsetup -y create tmp1 /dev/sdc3 sudo blkid /dev/sdc3 gives nothing and partition sdc3 cannot be mounted. Am i rigth that partition created with cryptsetup create ...
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0answers
105 views

What is the full list of things to change on a cloned partition in order for the grub to boot it?

Note: this is related to this issue, but I don't think it is the same. I am running ubuntu 12.10, which exists in a certain partition on my /dev/sda drive. I have ubuntu 10.10 running on /dev/sdb1. ...
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0answers
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System crash: empty /sys/class/backlight (deleted acpi_video0) & now the error “disk drive is not ready yet or present”

I "tried" to set the default brightness for Ubuntu 14.04. Following here, At first I did: echo 5 > /sys/class/backlight/acpi_video0/brightness then: sudo apt-get install xbacklight then ...
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0answers
12 views

How can I recover the UUID after changing it?

I changed the UUID of my HDD. Is there any way to recover it?. After changing it, the grub fails.
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0answers
43 views

My internal SATA 3TB WD only data drive mounts ONLY after shutdown, cant reboot

i am in need of some help.. TL;DR : system works fine after shutdown, after reboot it cant find / wont mount data drive (if i manually skip the mounting it works) I am using ubuntu 12.04 (server ...
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0answers
104 views

Change permission of raw /dev/sdb by UUID

I am using "Apache Traffic Server" which may and it is better to use raw device like /dev/sdb without mounting it as a directory . So i should change the permission of /dev/sdb from root to user ...