Debian日志中常见的错误代码有哪些

?Debian???,???????? /var/log ???,??????????????,??????????????????????????????????????:

???????????

1. E: The repository 'http://security.debian.org./debian-securitybullseye/updates Release' does not have a Release file.

   • ??:??????Apt?????
   • ????:?? /etc/apt/sources.list ??,??????,????????????

2. W: Couldn't stat source package list 'http://people.debian.org unstable/ Packages' (/var/state/apt/lists/people.debian.org_~kov_debian_unstable_Packages) - stat (2 No such file or directory)

   • ??:APT????????????
   • ????:?? sudo apt update ??????

3. E: Could not open lock file /var/lib/dpkg/lock - open (13 Permission denied)

   • ??:????,????DPKG????????
   • ????:?? sudo ??????,??????????????DPKG?

4. ERROR 1698 (28000): Access denied for user 'root'@'localhost'

   • ??:MySQL???????
   • ????:??MySQL????(??? my.cnf ? my.ini),??root?????????,????root???

5. ?? : Cant find X includes. Please check your installation and add the correct paths!

   • ??:??X????
   • ????:????????,? xlibs-dev?

6. ?? : Qt ( Qt 3.0) (headers and libraries) not found. Please check your in

   • ??:??Qt??
   • ????:??Qt????

7. W: GPG error: http://mirrors.aliyun.com/ debian buster InRelease: The following signatures couldn't be verified because the public key is not available:

   • ??:GPG??????,?????????????
   • ????:????????????????GPG???

??????????

• ?? journalctl ??:?????????,????????????????????

  journalctl -b  # ????????????
  journalctl -u ????  # ???????????
  journalctl --since "2021-01-01" --until "2021-12-31"  # ??????????????
  

• ?? /var/log ????????:

  cat /var/log/syslog  # ??????
  cat /var/log/auth.log  # ??????
  cat /var/log/kern.log  # ??????
  cat /var/log/dpkg.log  # ?????????????
  

• ???????????:

  sudo nano /var/log/syslog  # ??nano????????????
  

??????,??????????Debian????????,????????????????????