SDKmanager error after installation on host PC

[linuxdev]

I suspect it is what @Honey_Patouceul mentioned. Here are a couple of URLs on possibly getting 20.04 to look like 18.04 (no guarantee):

• https://devtalk.nvidia.com/default/topic/1048748/jetson-tx2/sdkmanager-quot-not-supported-on-linux-quot-/post/5324501/#5324501
• https://forums.developer.nvidia.com/t/sdkmanager-not-supported-on-linux/71742/13