Linux Admin Zone

Here is the situation: We are doing replication of only 1 table from a database (live) to other host (backup). so we expect that updates which are on others DBs/tables except on this table should not replicate. Wrong! they got replicated.

We shifted one DB say DB1 from live env to Backup DB host and then removed that DB1 from Live. Even replication was only for a single table of a particular DB say DB5, DB1 got removed from Backup host as well, living us in vaccum

When we decided to host our mail with some other provider, the question of configuring our web servers to use that provider to send mail arise. Having CentOS and postfix as mail service in our hosts, we followed these steps to tell local postfix to use other smtp service to send mails.

1. Suppose you have example.com domain, create one separate mail account to be used in your scripts residing on web server for sending mails. As an example, let’s assume we have mailer@example.com with password mailer123 and mail server address as mail.example.com. Here mail.example.com points to provider mail server which is managing our mail infrastructure. Create a password map file which will contain this information: