Linux SSSD Certification

SSSD is a software that replaces LDAP and AD, and is simple to configure.

This article describes how to deploy SSSD in an LDAP client to enable LDAP authentication.

-Installation SSSD

Yum Install SSSD
Yum Remove Pam_ldap samba*

Install SSSD, and uninstall Pam_ldap and Samba-related packages

-Configuration /etc/sssd/sssd.conf

[SSSD] 
 Config_file_version = 2 
 Services = NSS, pam 
 domains = LDAP 
 [NSS] 
 Filter_users = backup, bin, daemon, games, gnats, IRC, landscape, Libuui D, list, LP, Mail, Man, Messagebus, news, NTP, proxy, Root, Smmsp, Smmta, sshd, Sync, sys, syslog, UUCP, Whoopsie, Www-dat A, Dw_adm 
 [Pam]  

[domain/ldap] 
 Id_provider = LDAP 
 Auth_provider = LDAP 
 Cache_credentials = TRUE 
 Debug_level = 1 
 Ldap_uri = ldaps://ldap.vip 
 #ldap_uri = ldaps ://10.8.8.8, ldaps://10.8.8.9 
 Ldap_search_base = dc=example,dc=com 
 #ldap_schema = Rfc2307bis 
 Ldap_default_ BIND_DN = uid=proxyagent,ou=special_users,dc=example,dc=com 
 Ldap_default_authtok_type = password 
 Ldap_ Default_authtok = gafn01n0w 
 Ldap_tls_reqcert = never 
 Ldap_id_use_start_tls = True 
 Ldap_netgroup_search_base = Ou=netgroup,ou=example.com,ou=services,dc=example,dc=com?one? 
 Ldap_user_search_base = ou=people,dc=example,dc=com?sub?organizationalstatus=active 
 Ldap_group_search_ Base = Ou=group,dc=example,dc=com?sub? 
 Cache_credentials = True 
 Enumerate = False 
 Entry_cache_timeout = 5400  

Ldap_uri point to your LDAP server, where the domain name, or IP address, Domani can also configure multiple domains, generally only need to configure one on it.

-Configuration /etc/nsswitch.conf

Configure the sssd.conf after configuring the /etc/nsswitch.conf to tell name Service switch to find those places to service the logged-in user.

Passwd:files SSS
Shadow:files SSS
Group:files SSS
Netgroup:files SSS

Files SSS says to find/etc/passwd,/etc/group, and so on, and then find the SSS module without the words.

-Modify/etc/nscd.conf

As a final step, if the NSCD service is turned on, disable the passwd and group cache features.

Enable-cache passwd No
Enable-cache Group No
Enable-cache Netgroup No

-Finally open the SSSD service

/ETC/INIT.D/SSSD start

I'll talk about how to build an LDAP server in other articles, please follow my blog. Thank you!

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Linux SSSD Certification