MySQL Database Missing on UNIX server. Possible to recover? Post: 302928197

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Top Forums UNIX for Dummies Questions & Answers MySQL Database Missing on UNIX server. Possible to recover? Post 302928197 by SurfMe69 on Tuesday 9th of December 2014 05:20:19 PM

12-09-2014

Registered User

MySQL Database Missing on UNIX server. Possible to recover?

My dedicated server is VERY old (running Apache/1.3.37 (Unix) PHP/4.4.4 FrontPage/5.0.2.2510).

We have a script that runs and manages our customer database. Early in the morning last Friday, it was working fine and processed data as usual. Later in the day, we got this error:
Cannot connect to MySQL: Can't connect to local MySQL server through socket '/tmp/mysql.sock' (111)

We contacted support (which is minimal since its a dedicated server) and they told us:
"The server is compromised and the operating system would need to be re-imaged. me clients have been reluctant to upgrade for various reasons, and now we're in a situation where the known vulnerabilities are being exploited. The issue with the server is that MySQL is broken and is missing critical system files."

When we went in via Putty to retrieve the database, the folder that I believe it should be in was empty (I should add that they did a reboot)

Is the data lost? Is there a way to retrieve it? Unfortunately, the last full backup I ran on it was a year ago. While that's better than nothing, I'm hoping there is something that can be done to get the current copy.

SurfMe69

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LEARN ABOUT CENTOS

pmdamysql

PMDAMYSQL(1)						       Performance Co-Pilot						      PMDAMYSQL(1)

NAME

       pmdamysql - MySQL database PMDA

DESCRIPTION

       pmdamysql is a Performance Co-Pilot PMDA which extracts live performance data from a running MySQL database.

INSTALLATION

       pmdamysql uses a configuration file from (in this order):

       o   /etc/pcpdbi.conf

       o   $PCP_PMDAS_DIR/mysql/mysql.conf

       This file can contain overridden values (Perl code) for the settings listed at the start of pmdamysql.pl, namely:

       o   database name (see DBI(3) for details)

       o   database user name

       o   database pass word

       Once this is setup, you can access the names and values for the mysql performance metrics by doing the following as root:

	       # cd $PCP_PMDAS_DIR/mysql
	       # ./Install

       If you want to undo the installation, do the following as root:

	       # cd $PCP_PMDAS_DIR/mysql
	       # ./Remove

       pmdamysql is launched by pmcd(1) and should never be executed directly.	The Install and Remove scripts notify pmcd(1) when the agent is
       installed or removed.

Binary Status values in text
       Some of the status values are in the form of YES/NO or ON/OFF.

       Since these cannot be intepreted by tools like PMIE, they have been duplicated with a _num extension and the values of 1 (YES/ON) or 0
       (NO/OFF).

   Eg:
       o   mysql.slave_status.slave_io_running

       o   mysql.slave_status.slave_io_running_num

FILES

       /etc/pcpdbi.conf
	   configuration file for all PCP database monitors

       $PCP_PMDAS_DIR/mysql/mysql.conf
	   configuration file for pmdamysql

       $PCP_PMDAS_DIR/mysql/Install
	   installation script for the pmdamysql agent

       $PCP_PMDAS_DIR/mysql/Remove
	   undo installation script for the pmdamysql agent

       $PCP_LOG_DIR/pmcd/mysql.log
	   default log file for error messages from pmdamysql

SEE ALSO

       pmcd(1), pmdadbping.pl(1) and DBI(3).  # vi: sw=4 ts=4 et:

3.8.10							       Performance Co-Pilot						      PMDAMYSQL(1)