22:28:37[root@localhost /home/birdofprey/rtl8821CU]# ./dkms-install.sh
About to run dkms install steps...
Error! DKMS tree already contains: rtl8821CU-5.4.1
You cannot add the same module/version combo more than once.
Kernel preparation unnecessary for this kernel. Skipping...
Building module:
cleaning build area...
'make' KVER=5.19.0-0.deb11.2-amd64.........................(bad exit status: 2)
Error! Bad return status for module build on kernel: 5.19.0-0.deb11.2-amd64 (x86_64)
Consult /var/lib/dkms/rtl8821CU/5.4.1/build/make.log for more information.
Kernel preparation unnecessary for this kernel. Skipping...
Building module:
cleaning build area...
'make' KVER=5.19.0-0.deb11.2-amd64.........................(bad exit status: 2)
Error! Bad return status for module build on kernel: 5.19.0-0.deb11.2-amd64 (x86_64)
Consult /var/lib/dkms/rtl8821CU/5.4.1/build/make.log for more information.
Finished running dkms install steps.
os:Debian Gnu/Linux 11.5 kernel:Linux localhost 5.19.0-0.deb11.2-amd64 #1 SMP PREEMPT_DYNAMIC Debian 5.19.11-1~bpo11+1 (2022-10-03) x86_64 GNU/Linux
22:28:37[root@localhost /home/birdofprey/rtl8821CU]# ./dkms-install.sh About to run dkms install steps... Error! DKMS tree already contains: rtl8821CU-5.4.1 You cannot add the same module/version combo more than once.
Kernel preparation unnecessary for this kernel. Skipping...
Building module: cleaning build area... 'make' KVER=5.19.0-0.deb11.2-amd64.........................(bad exit status: 2) Error! Bad return status for module build on kernel: 5.19.0-0.deb11.2-amd64 (x86_64) Consult /var/lib/dkms/rtl8821CU/5.4.1/build/make.log for more information.
Kernel preparation unnecessary for this kernel. Skipping...
Building module: cleaning build area... 'make' KVER=5.19.0-0.deb11.2-amd64.........................(bad exit status: 2) Error! Bad return status for module build on kernel: 5.19.0-0.deb11.2-amd64 (x86_64) Consult /var/lib/dkms/rtl8821CU/5.4.1/build/make.log for more information. Finished running dkms install steps.