OCM_Session7_2_创建组，用户，设置用户密码

高峰之巅

　　
二、创建组，用户，设置用户密码 在OCM环境中，用户和用户组也已经配置好。我们只需要查看 id oracle。
参考官方文档：http://docs.oracle.com/cd/B19306_01/install.102/b14203/prelinux.htm
2.4.6 Creating Identical Users and Groups on Other Cluster Nodes
Note:
You must complete the following procedures only if you are using local users and groups. If you are using users and groups defined in a directory service such as NIS, then they are already identical on each cluster node.　　TheOracle software owner user and the Oracle Inventory, OSDBA, and OSOPER groups must exist and be identical on all cluster nodes. To create these identical users and groups, you must identify the user ID and group IDs assigned them on the node where you createdthem, then create the user and groups with the same name and ID on the other cluster nodes.
Identifyingthe User and Group IDs
　　To determine the user ID (UID) of the Oracle software owner user and the group IDs (GID) of the Oracle Inventory, OSDBA, and OSOPER groups, follow these steps:

• 　　Enter following command:
  # id oracle　　The output from this command is similar to the following:
  uid=440(oracle) gid=200(oinstall) groups=201(dba),202(oper)
  
• 　　From the output, identify the user ID (UID) for the oracle user and the group identities (GIDs) for the groups to which it belongs.
  

Creating the User and Groups on the Other Cluster Nodes
　　To create the user and groups on the other cluster nodes, repeat the following procedure on each node:

• 　　Log in to the next cluster node as root.
  
• 　　Enter commands similar to the following to create the oinstall and dba groups, and if required, the oper group. Use the -g optionto specify the correct GID for each group.
  # /usr/sbin/groupadd -g 200 oinstall # /usr/sbin/groupadd -g 201 dba # /usr/sbin/groupadd -g 202 operNote:
  If the group already exists, then use the groupmod command to modify it if necessary. If you cannot use the same group ID for a particular group on this node, then view the /etc/group fileon all nodes to identify a group ID that is available on every node. You must then specify that ID for the group on all of the nodes.
  
• 　　To create the oracle user, enter a command similar to the following:
  # /usr/sbin/useradd -u 200 -g oinstall -G dba[,oper] oracle　　In the preceding command:
  
  
  
  • 　　The -u option specifies the user ID, which must be the user ID that you identified in the previous subsection
    
  • 　　The -g option specifies the primary group, which must be the Oracle Inventory group, for example oinstall
    
  • 　　The -G option specifies the secondary groups, which must include the OSDBA group and if required, the OSOPER group. For example: dba or dba,oper
    Note:
    If the oracle user already exists, then use the usermod command to modify it if necessary. If you cannot use the same user ID for the oracle useron this node, then view the /etc/passwd file on all nodes to identify a user ID that is available on every node. You must then specify that ID for the user on allof the nodes.
    
  
  
• 　　Set the password of the oracle user:
  # passwd oracle ----------------------------------------------------------------------------------------------------------------------------------------------------------------------
  
  我的修改如下：
  

groupadd oinstallgroupadd dbauseradd  -g oinstall -G dba -d /home/oracle oraclepasswd oracle
------------------------------------------------------------------------------------------------rac1节点
[iyunv@rac1 ~]# groupadd oinstall[iyunv@rac1 ~]# groupadd dba[iyunv@rac1 ~]# useradd  -g oinstall -G dba -d /home/oracle oracle[iyunv@rac1 ~]# passwd oracleChanging password for user oracle.New UNIX password: BAD PASSWORD: it is based on a dictionary wordRetype new UNIX password: passwd: all authentication tokens updated successfully.[iyunv@rac1 ~]# id oracleuid=501(oracle) gid=501(oinstall) groups=501(oinstall),502(dba)[iyunv@rac1 ~]# --------------------------------------------------------------------------------------------------rac2节点
[iyunv@rac2 ~]# groupadd oinstall[iyunv@rac2 ~]# groupadd dba[iyunv@rac2 ~]# useradd  -g oinstall -G dba -d /home/oracle oracle[iyunv@rac2 ~]# passwd oracleChanging password for user oracle.New UNIX password: BAD PASSWORD: it is based on a dictionary wordRetype new UNIX password: passwd: all authentication tokens updated successfully.[iyunv@rac2 ~]# id oracleuid=501(oracle) gid=501(oinstall) groups=501(oinstall),502(dba)[iyunv@rac2 ~]# 　　
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