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±¾ÎļÌÐø½éÉÜLinuxϵͳ²é¿´Ó²¼þÅäÖü°³£Óõ÷ÊÔÃüÁ·½±ã¿ª·¢Õß¿ìËÙÁ˽⿪·¢°åÓ²¼þÐÅÏ¢¼°½øÐÐÏà¹Øµ÷ÊÔ¡£´¥¾õÖÇÄÜRK3562¿ª·¢°åÑÝʾ

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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

 

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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"
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echo 0 > /proc/sys/kernel/printk

#¿ØÖÆ̨µÄÈÕÖ¾ÓÅÏȼ¶¼ò½é
#define KERN_EMERG             0  ÖÂÃü¼¶£º½ô¼±Ê¼þÏûÏ¢£¬ÏµÍ³±ÀÀ£Ö®Ç°Ìáʾ£¬±íʾϵͳ²»¿ÉÓà      
#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  Í¨Öª¼¶£ºÌáʾÐÅÏ¢£¬ÈçÇý¶¯³ÌÐòÆô¶¯Ê±£¬´òÓ¡Ó²¼þÐÅÏ¢         
#define KERN_DEBUG             7  µ÷ÊÔ¼¶£ºµ÷ÊÔ¼¶±ðµÄÐÅÏ¢

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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
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#ɱËÀijһ¸ö½ø³Ì
root@ido:~# kill -9  PID
#ɱËÀijһÀà½ø³Ì
root@ido:~# killall -9  CMD
ÖÁ´Ë£¬Linux³£ÓÃÃüÁî½Ì³ÌÍê³É£¬Ï£ÍûÄÜ°ïÖúµ½´ó¼Ò¡£
 

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