Simple Linux Command Line notes: dmesg

Simple Linux Command Line Note: dmesg displays the kernel message www.2cto.com dmesg [options] dmesg can be used to display the message system stored in the kernel ring buffer when it is started, the kernel fills its ring buffer with messages related to hardware and module initialization. Messages in the kernel ring buffer are often used to diagnose system problems. Option-c: after running dmesg, kernel ring buffer www.2cto.com example dmesg> [root @ localhost ~] # Dmesg> message [root @ localhost ~] # Head-4 message Initializing cgroup subsys cpusetInitializing cgroup subsys cpuLinux version 2.6.32-279. el6.i686 (mockbuild@c6b9.bsys.dev.centos.org) (gcc version 4.4.6 20120305 (Red Hat 4.4.6-4) (GCC) #1 SMP Fri Jun 22 10:59:55 UTC 2012 KERNEL supported cpus: www.2cto.com redirects system startup to a file dmesg | grep [root @ localhost ~] # Dmesg | grep eth0e1000 :00:03. 0: eth0: (PCI: 33 MHz: 32-bit) 08: 00: 27: 14: 99: a3e1000 :00:03. 0: eth0: Intel (R) PRO/1000 Network Connectione1000: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX8021q: adding VLAN 0 to HW filter on device eth0eth0: no IPv6 routers present filters information in dmesg