/var/log/maillog or var/log/mail. log: is for mail server logs, handy for postfix, smtpd, or email-related services info running on your server. /var/log/kern: keeps in Kernel logs and warning info. … /var/log/dmesg: a repository for device driver messages. Use dmesg to see messages in this file.
What is Maillog?
The logs generated by Postfix are stored in a file called maillog which is usually located under /var/log. Events configuration and location of this file is controlled by /etc/syslog with the following lines: # Log all the mail messages in one place.
How do I find the SMTP log in Linux?
How To Check Mail Logs – Linux server?
- Login into shell access of the server.
- Go to below mentioned path: /var/logs/
- Open the desired Mail logs file and search the contents with grep command.
How do I read Journalctl?
To look for log messages from a specific application, use the _COMM (command) modifier. If you also use the -f (follow) option, journalctl will track new messages from this application as they arrive. You can search for log entries using the process ID of the process that generated the log message.
What does var log contain?
/var/log/messages – Contains global system messages, including the messages that are logged during system startup. There are several things that are logged in /var/log/messages including mail, cron, daemon, kern, auth, etc. /var/log/dmesg – Contains kernel ring buffer information.
How do I see latest mail in Linux?
To view a message, just type its number; to view the last message, just type $; etc.
How do I know if mailx is installed on Linux?
On CentOS/Fedora based systems, there is only one package named “mailx” which is the heirloom package. To find out what mailx package is installed on your system, check the “man mailx” output and scroll down to the end and you should see some useful information.
How does Linux Dmesg work?
dmesg command also called as “driver message” or “display message” is used to examine the kernel ring buffer and print the message buffer of kernel. The output of this command contains the messages produced by the device drivers.
Where is syslog on Linux?
Linux logs can be viewed with the command cd/var/log, then by typing the command ls to see the logs stored under this directory. One of the most important logs to view is the syslog, which logs everything but auth-related messages.
How do I log on to Linux?
Logging Actions
- Log message to a file or a device. For example, /var/log/lpr. …
- Send a message to a user. You can specify multiple usernames by separating them with commas; for example, root, amrood.
- Send a message to all users. …
- Pipe the message to a program. …
- Send the message to the syslog on another host.