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Questions tagged [uuid]

59 questions
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Send proper UUID over tcp

I have a small ingest TCP server that should accept a device UUID as a first message, which is only 16 bytes. I'd like to test this manually from terminal, but sending a string won't work, since it had 36 bytes and would be truncated, hence the…
4lex1v
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Identifying RHEL disk other than by UUID in /etc/fstab for Disaster Recovery from another site

For our disaster recovery setup there is a set of disk which are replicated from our production site to the disaster site. On the production site the RHEL servers have /boot filesystem setup on disks specified via UUID in the /etc/fstab . However…
Hanne Winter
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How are BLKIDs Assigned?

Suppose I have a situation like I have installed /etc and /boot in two separate partition which belongs to an USB device , and the rest of the system / and /home in the HDD. Now my question is I need to statically route the USB device in my fstab ,…
Genocide_Hoax
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fsck.ext3: Unable to resolve UUID but gparted shows the correct UUID

I'm running CentOS6 on a PowerSpecG211 with a RAID level 1 array (2x2TB) and a couple of SSD's Yesterday afternoon the partition for /var ran out of space while I was doing some stuff in mysql and the whole system froze. now when I reboot, I get a…
Jeff
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how to know what is disk uuid for md raid1 and hdparm?

ive got md0 (raid 1) array and want to make write cache off on them during system boot (ubuntu 12.04 server). md0: /dev/sda /dev/sdc blkid: /dev/sda: UUID="3e502de5-696d-f4b4-470e-XXX" TYPE="linux_raid_member" /dev/sdb1:…
MealstroM
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Disks with identical UUIDs

I have three disks that make up a RAID-5. Mdadm repeatedly spat out the third disk (even after replacing it), so I took a closer look. After checking the cables, I eventually decided to label the disks with their UUID as reported by blkid. (and…
AI0867
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How to get invitee´s information who schedules event at Calendly in GTM data layer

I´ve created a html site with a Calendly widget embedded to allow clients to scheduled meetings with me. Webpage is being tracked by Google Tag Manager, which is set up to listen events each time a meeting is scheduled (viewed event, date and time…
Apóstoles EquiposInn
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When creating a linux server in Azure, is it possible to declare the UUID somehow?

We are currently doing fact finding in microsoft azure. For one of our software stacks, having known UUIDs is important (defined as the output from dmidecode|grep UUID). In virtualbox/vagrant, it is possible to force a specific UUID on to a vm using…
Matthew
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How to transfer a Minio bucket without loosing version IDs

I have a MinIO bucket that I need to transfer from one server to another. mc --insecure mirror source/my-bucket dest/my-bucket This MinIO bucket is versioned, and I use the MinIO version UUIDs as document references in my application. I noticed…
matt
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I accidentally created a GPT label on a sdb that already was in a VG : WARNING: Couldn't find device with uuid CdlY5k-IynC-hYTX-hH3h-HaLC-KAqy-n4h38q

I accidentally created on GPT label on /dev/sdb on a production server which belonged to the ubuntu-vg. Before the change : $ df -h / Filesystem Size Used Avail Use% Mounted on /dev/mapper/ubuntu--vg-ubuntu--lv 88G 74G …
SebMa
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Is there a faster implementation of uuidgen from bash?

I am using a bash script and using the command uuidgen to generate UUIDs. However it is quite slow when invoked in a loop. Are there any alternatives I can invoke directly from bash? I'm guessing the slowness is actually just invoking and stopping…
Justin
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What happened to Data::UUID in SLES?

I have a Perl program with tradition (i.e. I use it over 10 years), but today I realized that it cannot find Data::UUID any more. I also tried to install a corresponding package from the SLES software repository, but I could not find one. AFAIR it…
U. Windl
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After changing a system disk partition, system won't boot, goes into "Dracut Emergency Shell"; how do I get it to boot?

Background I had a new system that I'd spent a lot of time configuring the software on to perform all manner of services and then discovered the drive was potentially flaky. So I decided to replace the disk, keeping the contents for the new…
Richard T
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How to check if UUID generated is correct?

My company get custom made motherboard from a vendor. Recently, we requested them to put UUID in our SMBIOS. They did it for us. According to them, they use a program to generate UUID Version 5 (SHA-1 hash). Details:…
Kevin H
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