Protected: Bash scripts to backup all databases in a MySQL server with the option to exclude some databases.

it’s necessary to install mod_ssl. On RHEL and CentOS, this is done with yum install mod_ssl.

On some occasions apache server will just fail, and become crashed, failing to restart with an error message like # tail /var/log/httpd/error_log [Sun Dec 22 10:05:27.006998 2013] [core:emerg] [pid 15001:tid 140145945569216] (28)No space left on device: AH00023: Couldn’t create the fcgid-proctbl mutex [Sun Dec 22 10:05:38.000403 2013] [core:emerg] [pid 15018:tid 140368783902656] (28)No space left on…

Often time, you may need to know which file contains large file size, and delete it to save space. Here’s a code pattern to show you how to find large file size on Linux : 1. File size >= 100MB Find all files that have a size >= 100MB, from root folder and its sub-directories….

Dump Dumping from a remote database Restore or in one line mysql -u username -p db_name < /path/to/table_name.sql Dump and restore a single table from a compressed (.sql.gz) format Dump Restore

To print a list of the messages in the queue, enter: # exim -bp To remove a message from the queue, enter: # exim -Mrm {message-id} To remove all messages from the queue, enter: # exim -bp | awk ‘/^ *[0-9]+[mhd]/{print “exim -Mrm ” $3}’ | bashsuggested following clean command:# exim -bp | exiqgrep -i…