The root account is the ultimate account on a Linux and other Unix-like operating systems. This account has access to all commands and files on a system with full read, write and execute permissions. It is used to perform any kind of task on a system; to create/update/access/delete other users’ accounts, install/remove/upgrade software packages, and… Read More »
The root account is often the most targeted account by crackers via SSH under Linux. An enabled SSH root account on a Linux server exposed to a network or, worse, exposed in Internet can pose a high degree of security concern by system administrators. The SSH root account should be disabled in all cases in… Read More »
How to Check Timezone in Linux In this short article, we will walk newbies through the various simple ways of checking system timezone in Linux. Time management on a Linux machine especially a production server is always an important aspect of system administration. There are a number of time management utilities available on Linux such… Read More »
To completely disable the FTP access on the server follow the below steps: root@server[#] vi /etc/csf/csf.conf Search for the lines: # Allow incoming TCP ports TCP_IN = and remove the port 21 from the list Save and quit. And then restart the CSF firewall using the below command: root@server[#] csf -r If you want to… Read More »
View the body and/or header of a queued exim message If you already know the email’s ID (if you dont: Review Exim’s Queue), printing the header and/or body information is simple! For this example, we’ll use ‘1XSY5g-0001kh-N6’ as the email ID but this ID is unique to each email message – yours will be different.… Read More »
List messages in exim queue from command line If you already know how many emails are in the queue and want to see certain short information regarding each email in the queue, you can print a list of the emails currently queued by performing this command: exim -bp If you have a lot of emails… Read More »
Check number of messages in Exim queue from command line Checking exim’s email queue from the command line can be performed with a very simple and short command: exim -bpc You’ll see a simple number output, informing you of the total number of emails currently in the queue. Send article as PDF
