01-17-2010
How to write a shell script to notify when certain texts appear in a file?
I have a server and occasionally the file mysqld.log would show something like
[ERROR] /usr/libexec/mysqld: Disk is full writing './example_com_-_wordpress/wp_statpress.MYD' (Errcode: 122). Waiting for someone to free space... Retry in 60 secs
How do I write a simple shell script to check mysqld.log every 15 mins and email me once it detects "Waiting for someone to free space"
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MYSQLD(8) MySQL Database System MYSQLD(8)
NAME
mysqld - the MySQL server
SYNOPSIS
mysqld [options]
DESCRIPTION
mysqld, also known as MySQL Server, is the main program that does most of the work in a MySQL installation. MySQL Server manages access to
the MySQL data directory that contains databases and tables. The data directory is also the default location for other information such as
log files and status files.
When MySQL server starts, it listens for network connections from client programs and manages access to databases on behalf of those
clients.
The mysqld program has many options that can be specified at startup. For a complete list of options, run this command:
shell> mysqld --verbose --help
MySQL Server also has a set of system variables that affect its operation as it runs. System variables can be set at server startup, and
many of them can be changed at runtime to effect dynamic server reconfiguration. MySQL Server also has a set of status variables that
provide information about its operation. You can monitor these status variables to access runtime performance characteristics.
For a full description of MySQL Server command options, system variables, and status variables, see Section 5.1, "The MySQL Server". For
information about installing MySQL and setting up the initial configuration, see Chapter 2, Installing and Upgrading MySQL.
COPYRIGHT
Copyright (C) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
This documentation is free software; you can redistribute it and/or modify it only under the terms of the GNU General Public License as
published by the Free Software Foundation; version 2 of the License.
This documentation is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with the program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or see http://www.gnu.org/licenses/.
SEE ALSO
For more information, please refer to the MySQL Reference Manual, which may already be installed locally and which is also available online
at http://dev.mysql.com/doc/.
AUTHOR
Oracle Corporation (http://dev.mysql.com/).
MySQL 5.5 01/30/2014 MYSQLD(8)