A universally unique identifier (UUID)

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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
641 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
112 views

install and load uuid-ossp on PostgreSQL

How can I install uuid-ossp extension on PostgreSQL 9.3? Is it using apt-get install? I did select * from pg_available_extensions; but I found no extensions that relates to uuid-ossp.
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1answer
273 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
305 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
417 views

mdadm warning (system unbootable) from update-initramfs, mkconf's suggested fix seems inconsistent with mdadm's description of problem

Summary: update-initramfs says system unbootable, message points to mkconf which suggests rewrite to mdadm.conf that would appear to break the RAID, system up (for now) but next reboot may kill it, ...
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0answers
78 views

Old Disk in new machine gave error: Couldn't find device with uuid

I'm running Zimbra email server on Ubbuntu Server 10.4 as VM , we got an issue with VM as it was not able to startup. I installed fresh copy of Ubuntu Server 12.4, when I'm trying to add disks of old ...
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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
18 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
72 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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129 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 ...