Kerberos 命令使用

指南

登录 kinit admin/[email protected]

[[email protected] ~]# kinit admin/[email protected]
Password for admin/[email protected]: 123456

查询登录状态 klist

[[email protected] ~]# klist
Ticket cache: FILE:/tmp/krb5cc_0
Default principal: admin/[email protected]

Valid starting       Expires              Service principal
2018-07-12T00:54:55  2018-07-13T00:54:55  krbtgt/[email protected]

退出 kdestroy

[[email protected] ~]# kdestroy
[[email protected] ~]# klist
klist: No credentials cache found (filename: /tmp/krb5cc_0)

指使指南(维护)

登录管理KDC服务器
登录后台 kadmin.local

[[email protected] ~]# kadmin.local
Authenticating as principal root/[email protected] with password.
kadmin.local:  

查看用户列表 listprincs

[[email protected] ~]# kadmin.local
Authenticating as principal root/[email protected] with password.
kadmin.local:  listprincs
K/[email protected]
activity_analyzer/[email protected]
activity_explorer/[email protected]
admin/[email protected]
...

修改帐号密码(可修改忘记密码)

[[email protected] ~]# kadmin.local
Authenticating as principal root/[email protected] with password.
kadmin.local:  change_password admin/[email protected]
Enter password for principal "admin/[email protected]": 123456
Re-enter password for principal "admin/[email protected]": 123456
Password for "admin/[email protected]" changed.

创建用户

[[email protected] ~]# kadmin.local
Authenticating as principal root/[email protected] with password.
kadmin.local:  add_principal test1
WARNING: no policy specified for [email protected]; defaulting to no policy
Enter password for principal "[email protected]": 123456
Re-enter password for principal "[email protected]": 123456
Principal "[email protected]" created.

删除用户

[[email protected] ~]# kadmin.local
Authenticating as principal root/[email protected] with password.
kadmin.local:  delete_principal test1
Are you sure you want to delete the principal "[email protected]"? (yes/no): yes
Principal "[email protected]" deleted.
Make sure that you have removed this principal from all ACLs before reusing.

只导出用户keytab文件(并且不要修改密码)

[[email protected] ~]# kadmin.local
Authenticating as principal root/[email protected] with password.
kadmin.local:  xst -k admin.keytab -norandkey admin/[email protected]
Entry for principal admin/[email protected] with kvno 6, encryption type aes256-cts-hmac-sha1-96 added to keytab WRFILE:admin.keytab.
Entry for principal admin/[email protected] with kvno 6, encryption type aes128-cts-hmac-sha1-96 added to keytab WRFILE:admin.keytab.
Entry for principal admin/[email protected] with kvno 6, encryption type des3-cbc-sha1 added to keytab WRFILE:admin.keytab.
Entry for principal admin/[email protected] with kvno 6, encryption type arcfour-hmac added to keytab WRFILE:admin.keytab.
Entry for principal admin/[email protected] with kvno 6, encryption type camellia256-cts-cmac added to keytab WRFILE:admin.keytab.
Entry for principal admin/[email protected] with kvno 6, encryption type camellia128-cts-cmac added to keytab WRFILE:admin.keytab.
Entry for principal admin/[email protected] with kvno 6, encryption type des-hmac-sha1 added to keytab WRFILE:admin.keytab.
Entry for principal admin/[email protected] with kvno 6, encryption type des-cbc-md5 added to keytab WRFILE:admin.keytab.
kadmin.local:  exit

PS:有些教程说是ktadd,其实它们是一样的效果，在命令使用帮助中我们可以查询到哪些命令是一样的。

[[email protected] ~]# kadmin.local
Authenticating as principal root/[email protected] with password.
kadmin.local:  ? #是查看帮助命令
Available kadmin.local requests:

add_principal, addprinc, ank
                         Add principal
delete_principal, delprinc
                         Delete principal
modify_principal, modprinc
                         Modify principal
rename_principal, renprinc
                         Rename principal
change_password, cpw     Change password
get_principal, getprinc  Get principal
list_principals, listprincs, get_principals, getprincs
                         List principals
add_policy, addpol       Add policy
modify_policy, modpol    Modify policy
delete_policy, delpol    Delete policy
get_policy, getpol       Get policy
list_policies, listpols, get_policies, getpols
                         List policies
get_privs, getprivs      Get privileges
ktadd, xst               Add entry(s) to a keytab
ktremove, ktrem          Remove entry(s) from a keytab
lock                     Lock database exclusively (use with extreme caution!)
unlock                   Release exclusive database lock
purgekeys                Purge previously retained old keys from a principal
get_strings, getstrs     Show string attributes on a principal
set_string, setstr       Set a string attribute on a principal
del_string, delstr       Delete a string attribute on a principal
list_requests, lr, ?     List available requests.
quit, exit, q            Exit program. 

用逗号分隔的命令就是相等的,例如

add_principal, addprinc, ank
delete_principal, delprinc
ktadd, xst
...等等

使用Keytab验证是否可以登录(无错误输出即可)

kinit -kt /etc/security/keytabs/admin.keytab admin/[email protected]

查看keytab文件中的帐号列表

[[email protected] ~]# klist -ket hbase.headless.keytab

Keytab name: FILE:hbase.headless.keytab
KVNO Timestamp           Principal
---- ------------------- ------------------------------------------------------
   7 2018-07-30T10:19:16 [email protected] (des-cbc-md5) 
   7 2018-07-30T10:19:16 [email protected] (aes128-cts-hmac-sha1-96) 
   7 2018-07-30T10:19:16 [email protected] (aes256-cts-hmac-sha1-96) 
   7 2018-07-30T10:19:16 [email protected] (des3-cbc-sha1) 
   7 2018-07-30T10:19:16 [email protected] (arcfour-hmac)

参考：https://www.cnblogs.com/jvStarBlog/p/11396685.html

https://blog.csdn.net/fsj_42930508/article/details/80104498