I trying to update my orange pi4 armbian.
this error occur after all the ubuntu arm source are upgraded. I check the source.list there aren't these links?
Ign:4 https://mirrors.nju.edu.cn/armbian focal/main arm64 armbian-firmware all 21.05.4
Err:4 http://apt.armbian.com focal/main arm64 armbian-firmware all 21.05.4
Cannot initiate the connection to mirrors.nju.edu.cn:443 (2001:da8:1007:4011::3). - connect (101: Network is unreachable) Could not connect to mirrors.nju.edu.cn:443 (210.28.130.3), connection timed out
Err:8 https://mirrors.nju.edu.cn/armbian focal/main arm64 linux-image-current-rockchip64 arm64 21.05.4
Cannot initiate the connection to mirrors.nju.edu.cn:443 (2001:da8:1007:4011::3). - connect (101: Network is unreachable)
Fetched 16.5 MB in 31s (525 kB/s)
E: Failed to fetch http://apt.armbian.com/pool/main/a/armbian-firmware/armbian-firmware_21.05.4_all.deb Cannot initiate the connection to mirrors.nju.edu.cn:443 (2001:da8:1007:4011::3). - connect (101: Network is unreachable) Could not connect to mirrors.nju.edu.cn:443 (210.28.130.3), connection timed out
E: Failed to fetch https://mirrors.nju.edu.cn/armbian/pool/main/l/linux-5.10.43-rockchip64/linux-image-current-rockchip64_21.05.4_arm64.deb Cannot initiate the connection to mirrors.nju.edu.cn:443 (2001:da8:1007:4011::3). - connect (101: Network is unreachable)
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?