一只鸡开机大概一年多，只允许ssh密钥登陆 高位端口 配置了ufw端口防护 fail2ban自动拉黑ip，今天登陆意外发现重启了一次，完全确定未手工重启
/var/log/auth
Aug 17 14:17:01 active-light-1 CRON[2767471]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)Aug 17 14:17:01 active-light-1 CRON[2767471]: pam_unix(cron:session): session closed for user rootAug 17 15:15:31 active-light-1 systemd-logind[833]: New seat seat0.Aug 17 15:15:31 active-light-1 systemd-logind[833]: Watching system buttons on /dev/input/event0 (Power Button)Aug 17 15:15:31 active-light-1 systemd-logind[833]: Watching system buttons on /dev/input/event1 (AT Translated Set 2 keyboard)Aug 17 15:15:31 active-light-1 sshd[886]: Server listening on 0.0.0.0 port 26663.Aug 17 15:15:31 active-light-1 sshd[886]: Server listening on :: port 26663.Aug 17 15:17:01 active-light-1 CRON[2524]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)Aug 17 15:17:01 active-light-1 CRON[2524]: pam_unix(cron:session): session closed for user root/var/log/syslog
Aug 17 15:15:31 active-light-1 kernel: [ 0.000000] Linux version 5.15.0-25-generic (buildd@ubuntu) (gcc (Ubuntu 11.2.0-19ubuntu1) 11.2.0, GNU ld (GNU Binutils for Ubuntu) 2.38) #25-Ubuntu SMP Wed Mar 30 15:54:22 UTC 2022 (Ubuntu 5.15.0-25.25-generic 5.15.30)Aug 17 15:15:31 active-light-1 kernel: [ 0.000000] Command line: BOOT_IMAGE=/vmlinuz-5.15.0-25-generic root=UUID=6d3bf8cd-1996-45fb-b824-d4c210ce803c ro net.ifnames=0 biosdevname=0 consoleblank=0 vga=0x305Aug 17 15:15:31 active-light-1 kernel: [ 0.000000] KERNEL supported cpus:Aug 17 15:15:31 active-light-1 kernel: [ 0.000000] Intel GenuineIntelAug 17 15:15:31 active-light-1 kernel: [ 0.000000] AMD AuthenticAMDAug 17 15:15:31 active-light-1 kernel: [ 0.000000] Hygon HygonGenuineAug 17 15:15:31 active-light-1 kernel: [ 0.000000] Centaur CentaurHaulsAug 17 15:15:31 active-light-1 kernel: [ 0.000000] zhaoxin ShanghaiAug 17 15:15:31 active-light-1 kernel: [ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'Aug 17 15:15:31 active-light-1 kernel: [ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'Aug 17 15:15:31 active-light-1 kernel: [ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'Aug 17 15:15:31 active-light-1 kernel: [ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256Aug 17 15:15:31 active-light-1 kernel: [ 0.000000] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'compacted' format.Aug 17 15:15:31 active-light-1 kernel: [ 0.000000] signal: max sigframe size: 1776
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