Monday, November 12, 2012

ftp password change error on parallels plesk

today I came across an issue on plesk on CentOS version 5

when you try to change the password for any domain’s ftp user , the below error was being displayed on plesk control panel

Error: system user update is failed: Unable to create system user: usermng: PAM password change failed: 20, Authentication token manipulation error

actually this is because that this user’s entry is not available in /etc/passwd and /etc/shadow files, to resolve this issue you can simply add the user with same username per below command

"useradd -d /var/www/vhosts/www.domain.tld username"

and change the password once.

All resolved
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Friday, October 19, 2012

table ‘mysql.server’ doesn’t exist error on parallels plesk

Today I was dealing with an error while changing the password for a database user for a database using Plesk. The error was as follows

connection to the database server has failed :

Table 'mysql.server' doesn't exist

Initially i thought that we need to create that table by using

mysql > USE mysql;

mysql > CREATE TABLE `servers` ( `Server_name` char(64) NOT NULL, `Host` char(64) NOT NULL, `Db` char(64) NOT NULL, `Username` char(64) NOT NULL, `Password` char(64) NOT NULL, `Port` int(4) DEFAULT NULL, `Socket` char(64) DEFAULT NULL, `Wrapper` char(64) NOT NULL, `Owner` char(64) NOT NULL, PRIMARY KEY (`Server_name`) ) ENGINE=MyISAM DEFAULT CHARSET=utf8 COMMENT='MySQL Foreign Servers table';

But i wanna be sure before creating this table.So I investigate farther & found that this error occurs because either of compiling Mysql to new version or due to incomplete Mysql upgrade.

So we need to run mysql_fix_privilige_tables command to ensure that the mysql database will contain all the required content after any change.

So I did the following steps

root@oxygen~# mysql_fix_privilege_tables user=admin password=`cat /etc/psa/.psa.shadow` --verbose ……..output minimized ……………………….

ERROR 1061 (42000) at line 162: Duplicate key name 'Grantor'

ERROR 1054 (42S22) at line 189: Unknown column 'Type' in 'columns_priv'

ERROR 1060 (42S21) at line 211: Duplicate column name 'type'

ERROR 1060 (42S21) at line 221: Duplicate column name 'Show_db_priv'

ERROR 1060 (42S21) at line 238: Duplicate column name 'max_questions'

……..output minimized ……………………….

This resolved issue & now i am able to change the password of user through Plesk .
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