I want to use centos-ds 8 for centralized authentication.? I believe this is derived from fedora-ds 1.1.
I want to know what is the best practice for storing posixgroups.? In the envent that no DS is available, I want all of my system accounts to function as normal.? If I use LDAP to store posixgroups,? then all accounts will hang during login if my DS is down.? I understand the reason is that even a local user must look at ldap to see what other groups this user belongs to.?
Is this something I should be concerned with?? Or will services that are already running before loosing access to DS function as normal?? I have several processes which use ssh to run commands on other machines.? I imagine that this will fail, or be extremely delayed waiting for ldap to timeout.?
Two things that I could think of which could ease this problem a little.
1.? Can I set nsswitch to give up on ldap after x seconds?? Thus allowing local users to login without a major delay.
2. Can nscd 'not' expire records if it cannot contact ldap?
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