±¾ÎļÌÐø½éÉÜLinuxϵͳ²é¿´Ó²¼þÅäÖü°³£Óõ÷ÊÔÃüÁ·½±ã¿ª·¢Õß¿ìËÙÁ˽⿪·¢°åÓ²¼þÐÅÏ¢¼°½øÐÐÏà¹Øµ÷ÊÔ¡£´¥¾õÖÇÄÜRK3562¿ª·¢°åÑÝʾ
root@ido:/# cat /etc/*release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=20.04
DISTRIB_CODENAME=focal
DISTRIB_DESCRIPTION="Ubuntu 20.04.3 LTS"
NAME="Ubuntu"
VERSION="20.04.3 LTS (Focal Fossa)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 20.04.3 LTS"
VERSION_ID="20.04"
HOME_URL="javascript:;/"
SUPPORT_URL="javascript:;/"
BUG_REPORT_URL="javascript:;"
PRIVACY_POLICY_URL="javascript:;/legal/terms-and-policies/privacy-policy"
VERSION_CODENAME=focal
UBUNTU_CODENAME=focal
BUILD_INFO="root@industio Sun Oct 9 05:54:12 UTC 2022"
BUILD_INFO="root@industio Thu Oct 20 02:17:12 UTC 2022"
BUILD_INFO="root@industio Thu Oct 20 02:19:41 UTC 2022"
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root@ido:/# uname -a
Linux ido 5.10.160 #24 SMP Thu Jul 18 19:06:25 CST 2024 aarch64 aarch64 aarch64 GNU/Linux
root@ido:/# dmesg
[ 1.088625] Booting Linux on physical CPU 0x0000000000 [0x410fd034]
[ 1.088642] Linux version 5.10.160 (ronnie@dell-PowerEdge-R430) (aarch64-none-linux-gnu-gcc (GNU Toolchain for the A-profile Architecture 10.3-2021.07 (arm-10.29)) 10.3.1 20210621, GNU ld (GNU Toolchain for the A-profile Architecture 10.3-2021.07 (arm-10.29)) 2.36.1.20210621) #24 SMP Thu Jul 18 19:06:25 CST 2024
[ 1.092354] Machine model: Rockchip RK3562 IDO EVB3562 V1B Board
......
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# "xxx"Ìæ»»³ÉÒªËÑË÷µÄ¹Ø¼ü×Ö
dmesg | grep "xxx"
#ÐèÒªºöÂÔ´óСдʱ¿ÉÒÔÓüÓÉÏ-i
dmesg | grep -i "xxx"
½«ÏµÍ³ÈÕÖ¾ÓÅÏȼ¶µ÷Ϊ 0 ¼´¿É¹Ø±ÕÄں˴òÓ¡ÐÅÏ¢
echo 0 > /proc/sys/kernel/printk
#¿ØÖÆ̨µÄÈÕÖ¾ÓÅÏȼ¶¼ò½é
#define KERN_EMERG 0 ÖÂÃü¼¶£º½ô¼±Ê¼þÏûÏ¢£¬ÏµÍ³±ÀÀ£Ö®Ç°Ìáʾ£¬±íʾϵͳ²»¿ÉÓÃ
#define KERN_ALERT 1 ¾¯½ä¼¶£º±¨¸æÏûÏ¢£¬±íʾ±ØÐë²ÉÈ¡´ëÊ©
#define KERN_CRIT 2 Áٽ缶£ºÁÙ½çÌõ¼þ£¬Í¨³£Éæ¼°ÑÏÖصÄÓ²¼þ»òÈí¼þ²Ù×÷ʧ°Ü
#define KERN_ERR 3 ´íÎ󼶣º´íÎóÌõ¼þ£¬Çý¶¯³ÌÐò³£ÓÃKERN_ERRÀ´±¨¸æÓ²¼þ´íÎó
#define KERN_WARNING 4 ¸æ¾¯¼¶£º¾¯¸æÌõ¼þ£¬¶Ô¿ÉÄܳöÏÖÎÊÌâµÄÇé¿ö½øÐо¯¸æ
#define KERN_NOTICE 5 ×¢Ò⼶£ºÕý³£µ«ÓÖÖØÒªµÄÌõ¼þ£¬ÓÃÓÚÌáÐÑ
#define KERN_INFO 6 ֪ͨ¼¶£ºÌáʾÐÅÏ¢£¬ÈçÇý¶¯³ÌÐòÆô¶¯Ê±£¬´òÓ¡Ó²¼þÐÅÏ¢
#define KERN_DEBUG 7 µ÷ÊÔ¼¶£ºµ÷ÊÔ¼¶±ðµÄÐÅÏ¢
PID±íʾΨһ±êʶ£¬CMD±íʾ½ø³ÌÃû£¬ÄÜÓжà¸ö¡£
root@ido:~# ps
PID TTY TIME CMD
465 ttyFIQ0 00:00:00 login
769 ttyFIQ0 00:00:00 bash
991 ttyFIQ0 00:00:00 ps
ɱËÀ½ø³Ì
#ɱËÀijһ¸ö½ø³Ì
root@ido:~# kill -9 PID
#ɱËÀijһÀà½ø³Ì
root@ido:~# killall -9 CMD