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/etc/inittab is the configuration file of classic SysVinit. Debian 9 uses systemd instead by default, although I think you still have an option to use another init system if you wish. With systemd, the getty processes (= those responsible for handling login prompts on TTY devices) are managed by getty@.service which is defined by file /lib/systemd/system/...


I have same problem when I used a nested virtualization platform recently. It works after reducing MTU from 1500 to 1400 on the source or destination server. /sbin/ip link set dev eth0 mtu 1400

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