reset keychain password without old password

Ext.: http://www.cnblogs.com/lihuanqing/p/5623872.htmlAfter the installation of MySQL, the system gave a default password, and then accidentally shut down, miserable password is not.1. Shut down MySQL server sudo/usr/local/mysql/support-files/mysql.server stop can also have a MySQL in System preferences.This is not required if the service is not started.2. Cd/usr/local/mysql/bin into the catalogue3. sudo su

First, prepare a U disk, then insert the U disk into the computer, and then open the "Start---→ Control Panel"; 2, then click on the Control Panel in the "User account and home security--→ user Account", and then click on the left to create a password reset disk; 3, then in the bounce out of the Forgotten Password Wizard dialog box, and then enter

Problem Status:SYS, System user's password expires, unable to login.Error--ora-28001:the Password has expired (DBD Error:ocisessionbegin) after running the EM consoleWorkaround:1. Open SQL PLUS, enter user name sys/oracle as Sysdba2. Execute script--alter user sys identified by Oracle;3, the Change password valid time is permanent--alter profile default limit Pas

1. Stop MySQL Service2. Open the CMD command console and go to the Mysql\bin directory.3. Enter Mysqld--skip-grant-tables carriage return. CMD console, stopped.4. Open the CMD command console again and go to the Mysql\bin directory.5. Enter MySQL return and, if successful, the MySQL prompt > will appear.6. Connection rights database: use MySQL;.6. Change Password: Update user set Password=

Excerpt from Baidu Post: http://tieba.baidu.com/p/2869755075After the selection will appear a menu, let you choose, please choose:Root-drop to root shell promptAfter the selection, text mode appears below and you can type the instructions. At this point, you are the root super user. So your instructions don't have to be sudo (but be careful, you're root! now.) ）At this point the hard drive is mounted in read-only mode and you must re-mount it as a read-write mode.Mount-o REMOUNT,RW/If the accoun

1. Boot in the Grub screen that appears, press the E key as shown:2. Use the up and down keys to select the second item (may not be the same), then press the E key to edit, enter a space single press ENTER, the result is as follows:3. Be taken back to the edit mode screen (as shown)4. Select the row again and press the B key, and GRUB will boot into single-user Linux mode. After loading, you will face a shell prompt similar to the following:sh-2.05#Now change the root command, type the following

The root password reset of the Fedora 18 systemThe first step: Press "E" key to enter the next figure. Step Two: Method 1: In front of RHGB quiet, add single and a space.Method 2: In front of RHGB quiet, add 1, but note that there is a space before and after.Then press the F10 key. Go to the following figure step three: Press ENTER directly, enter the single user mode. Step fourth below: Use the command pa

Open SQL Plus Enter user name : sys as SYSDBA Enter password: can be directly enter Connect to : Oracle Database 11g Enterprise Edition Release 11.2.0.1.0-64bit Productionwith the partitioning, OLAP, Data Mining and Real application testing options ALTER user SYS identified by admin; The user has changed. Conn Sys/admin as SYSDBA; is connected. Alter user system identified by manager; The user has cha

1. Turn off the MySQL service2. Start the MySQL service in a privilege free modeNow start the MySQL service without login, can be connected by no password.Use Mysql.exe-hlocalhost-uroot to connect up3. Use the MySQL console to connect to MySQL and modify the root password in the Mysql.user tableClose the window that opens the MYSQLD service. Kill the Mysqld.exe process using Task ManagerFinally, you can start the MySQL service through the service.MySQ

Do you use the same username and password when you log on to each site? Based on security considerations, it is best not to set all logins and passwords to the same, otherwise the identity is stolen, more security issues will be highlighted. But remembering all these passwords is laborious, and Google clearly understands that, and they've developed an interesting system setting for users to help you memorize different passwords. In fact, Google will

Recently has been doing an LDAP management authentication login platform, but found in Active Directory to modify the user account password, LDAP authentication can also be certified, and log into the system, what is the reason? After reviewing the relevant data, it is found that the cause of Active Directory is, so how to solve this problem can be solved by modifying the life cycle time of the old

Suddenly I forgot the root password of the RedHatLinux server hosted by a customer. I found the following method on the Internet to test its validity. The long-overdue root password was recovered. Step 1: restart to enter the system boot page Step 2: press E to enter Step 3: Continue press E to enter Step 4: select the kernel/vmlinuz-2.6.18-8.el5xemroroot =/dev/voGroup00rhgbquiet line press E Suddenly I fo

After Centos is installed on the Virtual Machine and the password is forgotten when the machine is started today, Baidu began to search for the resetting method. After experiment operations, the method is indeed valid. The record is as follows: (1) Restart Centos. During the startup process, press the "ESC" Key To Go To The gnu grub interface. (Gnu grub is a multi-operating system startup program from the GNU project. GRUB is the implementation of m

A friend asked me why the new password cannot take effect after I changed the password on the OWA of exchange2010, but the old password still works? This is because the exchange Server cannot take effect immediately after the password is changed. To make it take effect quick

First look at the MySQL database. View Database mysql> show databases;+--------------------+| Database |+--------------------+| Zabbix |+--------------------+5 rows in Set (0.00 sec) Enter the databasemysql> use Zabbix;Reading table information for completion of table and column namesCan turn off this feature to get a quicker startup with-aDatabase changed View data with those tables Mysql> Show tables; See if the user, password information is s

Recently, two colleagues said their user password change password, the phone unexpectedly does not prompt the new password can still receive mail, just began to feel strange, and did not care, the search under the Internet, found that the same people on the Internet encountered the problem, checked the next KB, and really found a, specifically, is a mechanism in

Recently has been doing an LDAP management authentication login platform, but found in Active Directory to modify the user account password, LDAP authentication can also be certified, and log into the system, what is the reason?After reviewing the relevant data, it is found that the cause of Active Directory is, so how to solve this problem can be solved by modifying the life cycle time of the old

MySQL sometimes forgets the root password is a sad thing. This provides a password reset method under Windows and Linux. Windows: 1. Log in as a system administrator. 2. Open cmd-----net start to see if MySQL starts. Stop the net stop MySQL when you start. 3. My MySQL is installed under the D:\usr\local\mysql4\bin. 4. Skip permission check to start MySQL. D

There are often forgotten root passwords, but CentOS 6 and CentOS 7 reset root are still different, and CentOS 7 's root password reset is relatively simple.Root password reset for CentOS 6:1.1: Boot can use the upper and lower keys to select the System option to

Label:1, first check whether the MySQL service is started, if it is started to stop the service2. Open the first CMD window, switch to the MySQL bin directory and run the command: Mysqld--defaults-file= "C:\Program files\mysql\mysql Server 5.1\my.ini"--console--skip-grant-tables Comments: This command starts the MySQL service by skipping permission security checks, so that when you connect to MySQL, you do not have to enter a user password