![]() ![]() ioatdma: Intel(R) QuickData Technology Driver 4.00 USB HID v1.10 Mouse [American Megatrends Inc. Virtual Keyboard and Mouse] on usb-0000:00:1a.1-1/input0 Input,hidraw1: USB HID v1.10 Keyboard [American Megatrends Inc. Zone dma32: Available graphics memory: 2097152 kiB Zone kernel: Available graphics memory: 49438090 kiB Output would be something like below: usb 4-1: SerialNumber: serial ![]() These above commands can be merged into a single command using multiple grep option (-E), examples is shown below, ~]# dmesg | grep -E "memory|dma|usb|tty" In dmesg command output we can search the messages related to RAM, Hard disk, usb drive and Serial ports. Display messages related to RAM, Hard disk, USB drives and Serial ports Output of dmesg command would be something like below,Ģ. ![]() ~]# dmesgĭmesg command will print all messages but you will only see the latest message that fits on screen, if you want to do the analysis all the logs and display them as page wise then use less or more command, ~]# dmesg | less On your screen you will get all the messages from kernel ring buffer. Open the terminal and type ‘dmesg’ command and then hit enter. Display all messages from kernel ring buffer Following are the options that can be used in dmesg command ![]()
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