Xine, by default, will expect your dvd drive to be at /dev/dvd. I think your dvd drive is really at /dev/sr2 right? If so either create a symlink from /dev/dvd to /dev/sr2, or just change the appropriate place in Xine's config.
This is what I get when I try to get a dvd to play in kaffeine. How do I fix?
The source can't be read.
Maybe you don't have enough rights for this, or source doesn't contain data (e.g: no disc in drive). (/dev/dvd)
Xine, by default, will expect your dvd drive to be at /dev/dvd. I think your dvd drive is really at /dev/sr2 right? If so either create a symlink from /dev/dvd to /dev/sr2, or just change the appropriate place in Xine's config.
When I open xine, it does not stay open. After about 5 seconds it automatically closes itself even with a dvd in.

Gigabyte 4U AI Server 10x Nvidia GPU 2x Xeon Gold 6150 36 Core 2.7GHz DDR4 RAM
$1499.00
Dell EMC PowerEdge R440 Xeon silver 4215 2.5GHz 16 GB ram 2x 550W PSU No HDD
$275.00
867959-B21 HPE ProLiant DL360 G10 CTO Server W/ 2x 865414-B21 1x 840140-001
$245.00
Dell PowerEdge R530 2x E5-2630v4 H330 iDRAC8 Port Card Riser No PSU/RAM/HDD
$99.99
Dell Poweredge R730xd 12LFF 2*2660v4 4*1Gbe h730 2x 750W Server CTO
$308.00
Dell PowerEdge C4130 1U AI GPU Server | 2x E5-2690 v3 | 64gb Ram | 2x 1600W
$524.99
Dell PowerEdge C4130 1U AI GPU Server | 2x E5-2680 v3 | 32gb Ram | 2x 1600W
$409.99
Supermicro 2U GPU Server SYS-2029GP-TR 2x Xeon 6130 32C 6x PCIe 3.0 x16 Slots
$745.00
Dell Poweredge R630 2x Xeon E5-2680 v3 2.5ghz 24-Cores / 64gb / Raid / 2x 1Tb
$374.99
Dell PowerEdge FX2s + 8x FC430 Blades 16x E5-2630v4 160 Cores Rails No PSU/RAM
$699.00