Bing: UID Format

Is there any difference between a GUID and a UUID?

Thu, 16 Apr 2026 03:06:00 GMT

I see these two acronyms being thrown around and I was wondering if there are any differences between a GUID and a UUID?

How to set uid and gid in Docker Compose? - Stack Overflow

Fri, 10 Apr 2026 10:58:00 GMT

UID is a shell variable and exporting it again by specifying a value as export UID=${UID} fails the command with "-bash: UID: readonly variable" and unfortunately it also creates an environment variable UID and sets UID shell variable value to it. To prevent it from failing, don't specify a value and it will work.

Can't add a user with a high UID in docker Alpine - Stack Overflow

Thu, 09 Apr 2026 22:19:00 GMT

13 I'm trying to create a new user with UID 1340816314 inside an Alpine Linux Docker container in order to have a user with an UID matching a specific user on the host. The problem is that I'm facing adduser: number 1340816314 is not in 0..256000 range even if I redefine the value of UID_MAX inside /etc/login.defs by following adduser man page.

MiFare - Difference between UID and Serial Number of MiFare Card

Thu, 09 Apr 2026 17:26:00 GMT

I found a document of NXP online which says UID and serial number are different. (on page number 3, line number 5) There is an application of OmniKey that reads the serial number of the card, and it also returns UID only. NXP documentation says UID <> Serial Number and a other standard OmniKey application returns UID as Serial Number.

How to modify block 0 / UID of a Mifare 1K tag (using a proxmark)

Thu, 16 Apr 2026 11:13:00 GMT

I bricked a Mifare 1k tag during an attempt to write to block n°0 (to change the UID), I would like to understand what I did wrong. Just for reminder, the datasheet of the Mifare 1k => 1 I used ...

Windows Server 2019 "Server for NFS" UID/GID mapping with Auth_SYS

Tue, 14 Apr 2026 20:55:00 GMT

I have a Windows Server 2019 installation with an LDAP instance (nfsmappingstore) for nfs mapping. I created this with the powershell cmdlet Install-NfsMappingStore. To illustrate, here is a list ...

How to easily modify the UID of a Mifare Classic Card?

Wed, 15 Apr 2026 01:12:00 GMT

Authentic MIFARE cards UID can't be changed it is protected by NXP, however there are counterfeit MIFARE cards available in the market where you can change the UID of the card. It is not advisable to use counterfeit cards and also one shouldn't just rely on the UID of the card for identification. You can use NXP Tag Info application on android phone to check whether your card is an authentic ...

QStandardPaths: runtime directory '/run/user/1000' is not owned by UID ...

Sun, 12 Apr 2026 06:02:00 GMT

QStandardPaths: runtime directory '/run/user/1000' is not owned by UID 0, but a directory permissions 0700 owned by UID 1000 GID 1000 Asked 3 years, 9 months ago Modified 1 year, 9 months ago Viewed 12k times

/usr/bin/sudo must be owned by uid 0 and have the setuid bit set ...

Thu, 16 Apr 2026 01:04:00 GMT

/usr/bin/sudo must be owned by uid 0 and have the setuid bit set version .ubantu14.04 LTS Asked 9 years, 11 months ago Modified 1 year, 9 months ago Viewed 106k times

Contact-less card through an OmniKey, how to get "UID"?

Sun, 12 Apr 2026 07:00:00 GMT

The UID should be unique within the card issue set, but it also depends on the card quantity order concerned - which is why the serial number has been expanded 2 times (the cascade number) and for once you should moderate your trust in the UID from an Apple phone as it violates the U in UID - it can be set to emulate another UID.