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dmesg

List of commands for dmesg:

  • dmesg:tldr:0f24c dmesg: Show how much physical memory is available on this system.
    $ dmesg | grep -i memory
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  • dmesg:tldr:12457 dmesg: Show kernel messages and keep reading new ones, similar to `tail -f` (available in kernels 3.5.0 and newer).
    $ dmesg -w
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  • dmesg:tldr:509e4 dmesg: Colorize output (available in kernels 3.5.0 and newer).
    $ dmesg -L
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  • dmesg:tldr:6b8cf dmesg: Show kernel messages.
    $ dmesg
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  • dmesg:tldr:b3102 dmesg: Show kernel messages with a timestamp (available in kernels 3.5.0 and newer).
    $ dmesg -T
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  • dmesg:tldr:e0858 dmesg: Show kernel error messages.
    $ dmesg --level err
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  • dmesg:tldr:e8bb0 dmesg: Show kernel messages in human-readable form (available in kernels 3.5.0 and newer).
    $ dmesg -H
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  • dmesg:tldr:ee86f dmesg: Show kernel messages 1 page at a time.
    $ dmesg | less
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