How to check the reason for a system crash in a Linux l…

To determine the cause of a crash in the Linux system, you can use the following methods:

1. The dmesg command displays the content of the kernel ring buffer, including information and errors from system startup. You can use the following command to view the cause of a system crash.

dmesg | grep "error"

This will display information related to the errors, potentially providing some clues to understand the cause of the crash.

1. The /var/log/messages file records log information from various system components, including the kernel, applications, and system services. You can use the following command to view the contents of this file:

cat /var/log/messages | grep "error"

This will display a message related to the error.

1. /var/log/syslog file: This file contains the system’s system log information, including kernel and application logs. You can use the following command to view the contents of this file:

cat /var/log/syslog | grep "error"

This will display the logs associated with the error.

1. The file /var/log/kern.log records log information of the kernel, including errors and warnings related to the kernel. You can use the following command to view the contents of this file:

cat /var/log/kern.log | grep "error"

This will display kernel logs related to errors.

By reviewing the error messages in the aforementioned log files, you should be able to identify the cause of the crash. If you are still unable to determine the cause of the crash, it is recommended to check if there are any hardware or other system components malfunctioning, and consider conducting a system diagnosis.