在Unix/Linux各个发行版,‘usermod’通过命令行常常用来修订和改变一个现存用户的任何属性.‘usermod’命令类似于‘useradd’与‘adduser’,但是‘usermod’只能用于现存用户。 15 usermod Command Examples ‘useradd’与‘adduser’被用于在linux操作系统中创建用户.若要了解更多关于如何创建系统用户,请阅读如下指南...
99999,或者 /etc/default/useradd 中的 EXPIRE 值)。 -v, --add-subuids FIRST-LAST Add a range of subordinate uids to the user's account. This option may be specified multiple times to add multiple ranges to a users account. No checks will be performed with regard to SUB_UID_MIN, SUB_...
This option may be specified multiple times to remove multiple ranges to a users account. When both --del-sub-gids and --add-sub-gids are specified remove of all subordinate gid ranges happens before any subordinate gid ranges are added. No checks will be performed with regard to SUB_GID_...
MAIL_DIRandMAIL_FILE变量由useradd,usermod和userdel用于创建、移动或删除用户邮箱。MAX_MEMBERS_PER_GROUP(number) 每个组条目的最大成员数。达到最大值时,在/etc/group开始一个新条目(行)(使用同样的名称,同样的密码,同 样的 GID)。 默认值是 0,意味着组中的成员数没有限制。 此功能(分割组)允许限制组...
Add Multiple Groups to User 7. Change User Login Name To change any existing user login name, we can use ‘-l‘ (new login) option. In the example below, we changing login nametecminttotecmint_admin. So the usernametecminthas been renamed with the new nametecmint_admin. ...
Change a user shell: sudo usermod [-s|--shell] path/to/shell username Add a user to supplementary groups (mind the lack of whitespace): sudo usermod [-aG|--append --groups] group1,group2,... username Change a user home directory: sudo usermod [-m|--move-home] [-d|--home] ...
-G = To add a supplementary groups. -a = To add anyone of the group to a secondary group. -l = To change the login name from tecmint to tecmint_admin. -L = To lock the user account. This will lock the password so we can’t use the account. ...
This article covers how to use the usermod command to add a user to a group, change a user shell, login name, home directory, and more.
Add a User to a Supplementary Group Aside from their primary group, users can be members of any number of supplementary groups. The-Goption adds the user to a supplementary group: sudo usermod -G [group] [username]Copy However, if the user already belongs to some supplementary groups,user...
The options which apply to theusermodcommand are:-a,--appendAdd the user to the supplementary group(s). Use only with the-Goption.-b,--badnamesAllow names that do not conform to standards.-c,--commentCOMMENTThe new value of the user's password file comment field. It is normally modif...