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Label:The newly installed oracle11g, unexpectedly in use when the user name and password is not remembered at the time of installation.Don't worry, open the sqlplus.Follow the steps below to create a new login user:The first step: Log in with sys sys/Password as sysdba any character here can be logged on.Sys/manager as
. Username and: MONGO: equivalent to adding a salt value to the original password, even if the attacker obtains the stored MD5 hash in the database, it is impossible to easily isolate the original password from the Rainbow table.Rights Management Common commands1. #进入数据库adminUse admin2. #增加或修改用户密码Db.adduser (' name ', ' pwd ')3. #查看用户列表Db.system.users.find ()4. #用户认证Db.auth (' name ', ' pwd ')This one retur
system, root user execution, first how to open, see Ubuntu14.04 after installation of some configurationFirst step:sudo groupadd new user groupsudo groupadd Spark This is the Create Spark user groupStep two:sudo useradd-m-G created user group New usersudo useradd-m-G spark
use the ALTER USER command to modify the user's password, password expiration, lock, unlock
(1) Modify the user's password and change the user's password to a new password
highgo= #create
. Automatic Installation selected during installation. Because the user name and password have been forgotten for a long time, I have tried several default user names and passwords (attached in the table ).Default User NameAnd password), all prompts invalid
User Login-determines that the entered password is incorrect three times and then the account is frozen. The user login password is incorrect.
'''Create a user and lock file, and store the account and
the ETC directory there is a file similar to shadow: Gshadow, this file is the user group password configuration file, this file will almost not move it.[Email protected] ~]# Cat/etc/gshadowroot:::bin:::d aemon:::sys:::adm:::tty:::d isk:::lp:::mem:::kmem:::wheel::: Cdrom:::mail:::p ostfixman:::d ialout:::floppy:::games:::tape:::video:::ftp:::lock:::audio:::nobody:::users.::: avahi-autoipd:!::utmp:!::utempt
of days after the password expires, you must change the password withinSixth paragraph: password expires in a few daysSeventh paragraph: (password expired) after a few days the account will be deactivatedEighth: The number of days after 1970.1.1, the account will be deactivatedNineth paragraph: Reserved fieldsSet a
1. Create a new user
Log in to MySQL:
@>mysql-u root-p@> Password
To create a user:
mysql> INSERT INTO Mysql.user (Host,user,password) VALUES ("localhost", "
fileGRP1:X:1003:[[email protected] ~]# GROUPADD-G 1005 grp2//Add and specify GRP2 Group ID 1005[[email protected] ~]# Tail-n3/etc/group//View the last three lines of the group fileSLOCATE:X:21:GRP1:X:1003:GRP2:X:1005:Delete a group[[email protected] ~]# Groupdel GRP1//delete GRP1 GroupNote: An empty group can be deleted, and there are users below the group that cannot be deletedIv. User ManagementAdd user[
modifying passwords for database users is one of the more common tasks for DBAs. There are several different ways to modify the password for a MySQL user account, using cryptographic functions to modify the password in the recommended way. This article mainly describes how to modify the user
.
Although only users with sysdba and role permissions are saved in the password file, other users are also affected.
1.2 example
Here we conduct a test on Oracle 10 Gb. To avoid the impact of OS authentication, we can disable OS authentication here.
Oracle OS authentication password file and password loss
Http://blog.csdn.net/tianlesoftware/article/details/469
Tags: localhost block user password ICA base add user Create Login system permissions1. New UserCreate a test user with a password of 1234.
Mysql-u root-pCREATE USER "Test" @
Recently the company's Web site to be with the Discuz forum for integration, to achieve user synchronization registration, single point of login, synchronous deletion of users, synchronization to modify user password First introduction I encountered in the installation of some problems, Discuz forum is installed in the site subdirectory. I am here to install u
Changing the password for a database user is one of the common tasks of DBA. There are several different ways to change the password of a MySQL user account. We recommend that you use the encryption function to modify the password.
Changing the
$.password or user$. SPARE4, but the two differ in the size of the password, the specific test is as follows:
Create a test user Xifenfei[Oracle@localhost ~]$ SSSql*plus:release 11.2.0.4.0 Production on Fri APR 10 16:00:03 2015Copyright (c) 1982, 2013, Oracle. All rights re
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