how to change a nis slaver server to a master server
I configured a master server and a slaver server when I installed nis.Now,the master server usualy down ,I want to replace it with the slaver.After I do that,I stop the service ypserv running on the master server and all users cannot login in nomal.The satuation changes when I restart ypserv on the master server.
I don't know why ,How can I solve this problem?
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