Changing the database user password using bash script? Change the database user password, need simple solution!! The MySQL community has depreciated “old_passwords” option since MySQL 5.6 version. So we won’t be able to recollect the password from an old password…
commands
The crontab command and switches with example
Linux crontab and job scheduling In Linux, we can not ignore the usages of cron. It’s command line utility and it helps to schedule tasks. Those tasks will execute periodically pas per the configuration. In this article I am just…
How to delete locked mails from mail queue (Exim)?
Deleting locked emails from Exim mail queue.. Yeah its something different from normal deletion of mails from exim mail queue. Here I’m explaining how to remove locked emails from queue. While clearing the mail queue for a reason, I got…
ps command switches, usages and examples in Unix/Linux
Commonly using “ps command” switches with example – Unix/Linux This will be a very useful discussions if you are managing Linux servers with many processes. A lot of switches are available with the command “ps” to trace out processes with…
Top command usages and examples in Unix/Linux
Top command has an important role in Unix/Linux system/server administration side. The command “top” displays a dynamic view of process that are currently running under the system. Here I’m explaining some of the useful usage of top command for my…
How do I enable extended logging in Exim via CLI?
Extended logging, what’s this? It adds valuable logging information to your exim_mainlog (/var/log/exim_mainlog) file, so that you can easily analyze the mail log. It should be very easy to determine from where the messages are coming, who is sending the…
Quick way to remove all frozen emails from mail queue Exim
An introduction layer to Frozen mails Simply, frozen emails are the emails sent to invalid, non existing email accounts that were undelivered to the address correctly. If the email can’t be delivered to an account, the email will be added…