Read the statement by Michael Teeuw here.
MMM-SynologySurveillance
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 @digied Perfect. I will look into the module to check if I can accept self signed certificates and why the host part is not replaced correctly. Edit: 
 You should be able to set the cam with by adding some CSS to the fileMagicMirror/css/custom.css:.MMM-SynologySurveillance .cam { width: 100%; }
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 @wishmaster270 said in MMM-SynologySurveillance: .MMM-SynologySurveillance .cam { 
 width: 100%;
 }Yes, together with height: 100% as well the image is there. Thanks!  
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 @digied Just released a new version which fixes the host part replacement 
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 @wishmaster270 Installed the update and all is working fine now. Thanks for your help. :folded_hands_light_skin_tone: 
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 @digied Great to hear that. You are welcome. 
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 @wishmaster270 Suddenly, starting today, I see the grey square with the little cam in it. Didn’t change a thing! Log: 
 MESA-LOADER: failed to retrieve device information
 MESA-LOADER: failed to retrieve device information
 MESA-LOADER: failed to retrieve device information
 MESA-LOADER: failed to open kms_swrast: /usr/lib/dri/kms_swrast_dri.so: kan gedeeld objectbestand niet openen: Toegang geweigerd (search paths /usr/lib/aarch64-linux-gnu/dri:$${ORIGIN}/dri:/usr/lib/dri)
 failed to load driver: kms_swrast
 MESA-LOADER: failed to open swrast: /usr/lib/dri/swrast_dri.so: kan gedeeld objectbestand niet openen: Toegang geweigerd (search paths /usr/lib/aarch64-linux-gnu/dri:$${ORIGIN}/dri:/usr/lib/dri)
 failed to load swrast driver
 [21.02.2023 17:25.05.039] [LOG] MMM-SynologySurveillance: Received notification CONFIG
 [21.02.2023 17:25.05.040] [LOG] MMM-SynologySurveillance: Received notification INIT_DS
 [21.02.2023 17:25.05.042] [LOG] MMM-SynologySurveillance: Updating information of DS with idx: 0 and protocol https
 [21.02.2023 17:25.07.730] [LOG] MMM-SynologySurveillance: Problem during fetch of cams of ds with idx: 0
 [21.02.2023 17:25.07.730] [LOG] MMM-SynologySurveillance: {
 “errno”: -3008,
 “code”: “ENOTFOUND”,
 “syscall”: “getaddrinfo”,
 “hostname”: “datanas”
 }
 [21.02.2023 17:25.07.731] [LOG] Unknown error. Sending empty list of streams!
 [6591:0221/172507.750557:ERROR:gl_surface_presentation_helper.cc(260)] GetVSyncParametersIfAvailable() failed for 1 times!Can I do anything? 
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 @digied Hi, looks like a DNS problem to me. Your Mirror can not resolv the ip of “datanas”. Did there happen a update of your router maybe? 
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 @wishmaster270 No, the cam has died. Need to buy a new one. 
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 @digied 
 Oh, did not expect a dead cam resulting in this error message.
 Especially as at this point all cams configured in the NAS are fetched.
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 @wishmaster270 I did some research. Somehow the network wasn’t right anymore. The cam got a different ip-address, so it was rebooted somehow and using DHCP got a different address. Now it is set to the same address. I did replace the first switch to which the NAS and the cam are connected. For the cam I use a repeater that uses the electrical net to connect to my backbone. A cable would have been difficult. After a reset of all that components, the cam was reconnected and all is working again. 

