install package

Hi, I installed PVE 8, but I found some package can't install, like hddtemp,intel-microcode. apt install intel-microcode Reading package lists... Done Building dependency tree... Done Reading state information... Done Package intel-microcode is not available, but is referred to by another...

good afternoon, I have an error when installing the iperf3, net-tools, ethtool package on my promox server I have deactivated the promox subscription repositories but it indicates an error attached screenshots I attach screenshots of my problem thank you