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How to disable serial console?
The serial console can be disabled for a specific VM or virtual machine scale set by disabling the boot diagnostics setting. Turn off boot diagnostics from the Azure portal to disable the serial console for the VM or the virtual machine scale set.
How to disable console in linux?
To disable console output during kernel bootup, use the “quiet” option on the kernel command line. To do this, just put the word “quiet” (without the quotes) in the kernel command line, with no other arguments. This will suppress printk output during booting.
What is console ttyS0?
The console is the tty where the kernel logs go to. You select a specific one through kernel parameters when booting, it is seen in the log you provided, in the line “Kernel command line: console=ttyS0,115200 root=/dev/mmcblk0p2 roo twait loglevel=8 panic=10”
What is the kernel command line in Linux?
Parameters for modules which are built into the kernel need to be specified on the kernel command line. modprobe looks through the kernel command line (/proc/cmdline) and collects module parameters when it loads a module, so the kernel command line can be used for loadable modules too.
What is dev console used for?
The main uses of the Chrome DevTools Console are logging messages and running JavaScript. Learn how to log messages to the Console. Learn how to run JavaScript in the Console.
Why is serial console disabled in Uboot Linux?
Or if you don’t want to see the output, just follow the document, output will be disabled, yet the input is alive, allows you to control the u-boot in run time. “Or because the number of serial port on blackfin is not enough for your product?”
How can I disable the serial console on?
The first line removes the boot delay, so autoboot will not be interrupted by messages sent on UART interface. Next four lines enable silent boot, so U-boot will not send any messages on UART itself, because the messages might in turn confuse your device.
How to disable serial console ( non-kernel ) in Linux?
By default, Edison’s UART port is used for u-boot console. I want to disable this feature, but only on the serial interface (u-boot also listens on USB and that needs to stay).
How can I disable the serial console on UART?
CONFIG_SILENT_U_BOOT_ONLY=y The first line removes the boot delay, so autoboot will not be interrupted by messages sent on UART interface. Next four lines enable silent boot, so U-boot will not send any messages on UART itself, because the messages might in turn confuse your device.