Kernel ring buffer
Last 50 kernel errors/warnings with human-readable timestamps
dmesg -T --level=err,warn | tail -50
- tool
- linux133 commands
More linux commands
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lsmod | sortAll currently loaded kernel modules
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modprobe <module> && lsmod | grep <module>Load a module with dependencies and verify
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modinfo <module>Module parameters, version, license, and dependencies
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sysctl -a | grep vm.swappinessList all kernel parameters; filter by name
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sysctl -w net.ipv4.ip_forward=1Enable IP forwarding at runtime (also add to /etc/sysctl.d/)