Centos8搭建配置nis域服务详细步骤
⽬录
NIS 简介
⽹络环境：
1.环境准备(两个节点都要)
2.nis主服务器配置
3.nis客户端设置
NIS 简介
NIS，英⽂的全称是network information service，也叫yellow pages。在Linux中，NIS是⼀个基于RPC的client/server系统，需要使⽤ RPC 服务。
RPC即Remote Procedure Call Protocol（远程过程调⽤协议），RPCBIND⽤于取代旧版本中的portmap组件。简单
说，RPCBIND就是为了将不同服务与对应的端⼝进⾏绑定，以便⽀持机器间的相互操作。
⽹络环境：
节点主机
node1(nis主服务器)192.168.10.222
node2(nis客户机)192.168.10.223
1.环境准备(两个节点都要)
关闭防⽕墙
systemctl stop firewalld
setenforce 0
添加主机名解析
vim /etc/hosts
192.168.10.222 node1
192.168.10.223 node2
2.nis主服务器配置
下载软件包
yum -y install  rpcbind ypserv ypbind yp-tools
添加nis域名
[root@localhost ~]# nisdomainname skills
vim /etc/sysconfig/network
NISDOMAIN skills
开机⾃动挂载nis域名
[root@localhost ~]# vim /etc/rc.d/rc.local
touch /var/lock/subsys/local
/bin/nisdomainname skills
[root@localhost ~]# chmod 777 /etc/rc.d/rc.local
修改主配置⽂件限制权限
vim /f
192.168.10.0/24:*:*:none  //给与该⽹段访问权限
192.168.10.222:*:*:none    //给与该本机访问权限
:*:*:deny    //拒绝其他服务器
重启服务
systemctl restart yppasswdd rpcbind ypserv
systemctl enable  yppasswdd rpcbind ypserv
建⽴资料库
[root@localhost ~]# /usr/lib64/yp/ypinit -m
At this point, we have to construct a list of the hosts which will run NIS servers.  localhost is in the list of NIS server hosts.  Please continue to add the names for the other hosts, one per line.  When you are done with the list, type a <control D>.
next host to add:  localhost
next host to add:
The current list of NIS servers looks like this:
localhost
Is this correct?  [y/n: y]  y
We need a few minutes to build
Building /var/yp/
Running /var/
gmake[1]: Entering directory '/var/yp/skills'
Updating
Updating
Updating
Updating
Updating
Updating
Updating
Updating
Updating
Updating
Updating
Updating
Updating
Updating
gmake[1]: Leaving directory '/var/yp/skills'
localhost has been set up as a NIS master server.
Now you can run ypinit -s localhost on all slave server.
[root@localhost ~]#
新建nis账户
useradd nis1 -p123
useradd nis2 -p123
当主机发⽣了更改就cd到/var/yp make
[root@localhost ~]# cd /var/yp/
[root@localhost yp]# make
gmake[1]: Entering directory '/var/yp/skills'
centos vim命令Updating
Updating
Updating
Updating
Updating
gmake[1]: Leaving directory '/var/yp/skills'
[root@localhost yp]#
重启服务
systemctl restart yppasswdd rpcbind ypserv
systemctl enable  yppasswdd rpcbind ypserv
3.nis客户端设置
下载软件包
yum -y install ypbind rpcbind yp-tools
添加nis域名
[root@localhost ~]# nisdomainname skills
vim /etc/sysconfig/network
NISDOMAIN skills
开机⾃动挂载nis域名
[root@localhost ~]# vim /etc/rc.d/rc.local
touch /var/lock/subsys/local
/bin/nisdomainname skills
[root@localhost ~]# chmod 777 /etc/rc.d/rc.local
编辑yp.conf⽂件，设置主服务。
domain skills server 192.168.10.222
重启服务
systemctl restart ypbind rpcbind
yptest查看是否加⼊成功
[root@localhost ~]# yptest
Test 1: domainname
Configured domainname is "skills"
Test 2: ypbind
Use Protocol V1: Used NIS server: 192.168.10.222
Use Protocol V2: Used NIS server: 192.168.10.222
Use Protocol V3:
ypbind_nconf:
nc_netid: udp
nc_semantics: 1
nc_flag: 1
nc_protofmly: 'inet'
nc_proto: 'udp'
nc_device: '-'
nc_nlookups: 0
ypbind_svcaddr: 192.168.10.222:740
ypbind_servername: 192.168.10.222
ypbind_hi_vers: 2
ypbind_lo_vers: 2
Test 3: yp_match
WARNING: No such key in map (Map passwd.byname, key nobody) Test 4: yp_first
nis1 nis1:123:1000:1000::/home/nis1:/bin/bash
Test 5: yp_next
nis2 nis2:123:1001:1001::/home/nis2:/bin/bash
Test 6: yp_master
localhost
Test 7: yp_order
1639387530
Test 8: yp_maplist
netid.byname
group.bygid
group.byname
passwd.byuid
passwd.byname
mail.aliases
protocols.byname
protocols.bynumber
services.byservicename
services.byname
rpc.bynumber
rpc.byname
hosts.byaddr
hosts.byname
ypservers
Test 9: yp_all
nis1 nis1:123:1000:1000::/home/nis1:/bin/bash
nis2 nis2:123:1001:1001::/home/nis2:/bin/bash
1 tests failed
[root@localhost ~]#
配置域⽤户登陆
[root@localhost ~]# authselect select nis --force
Backup stored at /var/lib/authselect/backups/2021-12-13-09-34-52.8NFKZD
Profile "nis" was selected.
The following nsswitch maps are overwritten by the profile:
- aliases
- automount
-
ethers
- group
- hosts
- initgroups
- netgroup
- networks
- passwd
- protocols
- publickey
- rpc
- services
-
shadow
Make sure that NIS service is configured and enabled. See NIS documentation for more information.
[root@localhost ~]#
主服务器配置nfs，将home⽬录共享。
[root@localhost yp]# vim /etx/exports
/home/ *(rw,sync)
[root@localhost yp]# exportfs -rv
exporting *:/home
客户端挂载主服务器home⽬录
systemctl restart nfs-server
[root@localhost ~]# mount 192.168.10.222:/home/ /home/
[root@localhost ~]# df
Filesystem          1K-blocks    Used Available Use% Mounted on
devtmpfs                379852      0    379852  0% /dev
tmpfs                  399816      0    399816  0% /dev/shm
tmpfs                  399816    5688    394128  2% /run
tmpfs                  399816      0    399816  0% /sys/fs/cgroup
/dev/mapper/cl-root  17811456 1615988  16195468  10% /
/dev/sda1              1038336  196688    841648  19% /boot
/dev/sr0              9046654 9046654        0 100% /media
tmpfs                    79960      0    79960  0% /run/user/0
192.168.10.222:/home  17811456 1644672  16166784  10% /home
[root@localhost ~]#
添加开机⾃动挂载主服务home⽬录。
vim /etc/fstab
192.168.10.222:/home    /home                  nfs    defaults        0 0
[root@localhost ~]# mount -a
[root@localhost ~]# df
Filesystem          1K-blocks    Used Available Use% Mounted on
devtmpfs                379852      0    379852  0% /dev
tmpfs                  399816      0    399816  0% /dev/shm
tmpfs                  399816    5688    394128  2% /run
tmpfs                  399816      0    399816  0% /sys/fs/cgroup
/
dev/mapper/cl-root  17811456 1613680  16197776  10% /
/dev/sda1              1038336  196688    841648  19% /boot
/dev/sr0              9046654 9046654        0 100% /media
192.168.10.222:/home  17811456 1644544  16166912  10% /home
tmpfs                    79960      0    79960  0% /run/user/0
[root@localhost ~]#
到这nis配置完成。
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