在通过如下所述格式的域时，我使用 host 命令进行了主机查找并获得了一个私有 IP 地址。
auth-ns.auth-ns.workspace.agate.example.com
host auth-ns.auth-ns.workspace.agate.example.com
为什么玛瑙身份验证端点提供私有 IP 地址？当我搜索玛瑙时，我才知道玛瑙是用来对 obiba 软件堆栈进行身份验证的。这是 obiba 的工作原理吗？即使它像这样工作，为什么要解析为私有 IP？该ip属于172.16.0.0/12 CIDR
注意：我无法浏览到相应的端点，我从来没有得到任何回应
运行时触发以下错误sudo apt update
>>> /etc/sudoers.d/README: syntax error near line 1 <<<
sudo: parse error in /etc/sudoers.d/README near line 1
sudo: no valid sudoers sources found, quitting
sudo: unable to initialize policy plugin
自述文件
#
# As of Debian version 1.7.2p1-1, the default /etc/sudoers file created on
# installation of the package now includes the directive:
#
# #includedir /etc/sudoers.d
#
# This will cause sudo to read and parse any files in the /etc/sudoers.d
# directory that do not end in '~' or contain a '.' character.
#
# Note that there must be at least one file in the sudoers.d directory (this
# one will do), and all files in this directory should be mode 0440.
#
# Note also, that because sudoers contents can vary widely, no attempt is
# made to add this directive to existing sudoers files on upgrade. Feel free
# to add the above directive to the end of your /etc/sudoers file to enable
# this functionality for existing installations if you wish!
#
# Finally, please note that using the visudo command is the recommended way
# to update sudoers content, since it protects against many failure modes.
# See the man page for visudo for more information.
#
检查 my-sql 的状态时显示以下错误。
操作系统：Ubuntu 18.04.3
Mysql：mysql Ver 14.14 Distrib 5.7.27，适用于 Linux (x86_64)，使用 EditLine 包装器
mysql.service - MySQL Community Server
Loaded: loaded (/lib/systemd/system/mysql.service; bad; vendor preset: enabled)
Active: failed (Result: exit-code) since Sat 2019-08-31 08:27:11 CEST; 1min 12s ago
Process: 18000 ExecStartPre=/usr/share/mysql/mysql-systemd-start pre (code=exited, status=1/FAILURE)
Aug 31 08:27:11 myserver systemd[1]: mysql.service: Control process exited, code=exited status=1
Aug 31 08:27:11 myserver systemd[1]: mysql.service: Failed with result 'exit-code'.
Aug 31 08:27:11 myserver systemd[1]: Failed to start MySQL Community Server.
Aug 31 08:27:11 myserver systemd[1]: mysql.service: Service hold-off time over, scheduling restart.
Aug 31 08:27:11 myserver systemd[1]: mysql.service: Scheduled restart job, restart counter is at 5.
Aug 31 08:27:11 myserver systemd[1]: Stopped MySQL Community Server.
Aug 31 08:27:11 myserver systemd[1]: mysql.service: Start request repeated too quickly.
Aug 31 08:27:11 myserver systemd[1]: mysql.service: Failed with result 'exit-code'.
Aug 31 08:27:11 myserver systemd[1]: Failed to start MySQL Community Server.
我尝试开始使用以以下错误结束的 mysqld 命令
mysqld: Error on realpath() on '/var/lib/mysql-files' (Error 2 - No such file or directory)
2019-08-31T12:51:57.596969Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2019-08-31T12:51:57.597359Z 0 [ERROR] Failed to access directory for --secure-file-priv. Please make sure that directory exists and is accessible by MySQL Server. Supplied value : /var/lib/mysql-files
2019-08-31T12:51:57.597485Z 0 [ERROR] Aborting
2019-08-31T12:51:57.597607Z 0 [Note] Binlog end
我的.cnf
#
# The MySQL database server configuration file.
#
# You can copy this to one of:
# - "/etc/mysql/my.cnf" to set global options,
# - "~/.my.cnf" to set user-specific options.
#
# One can use all long options that the program supports.
# Run program with --help to get a list of available options and with
# --print-defaults to see which it would actually understand and use.
#
# For explanations see
# http://dev.mysql.com/doc/mysql/en/server-system-variables.html
# This will be passed to all mysql clients
# It has been reported that passwords should be enclosed with ticks/quotes
# escpecially if they contain "#" chars...
# Remember to edit /etc/mysql/debian.cnf when changing the socket location.
# Here is entries for some specific programs
# The following values assume you have at least 32M ram