永恒安装小错误，如何避免？

Question

我正在尝试将PostgreSQL v9.10安装到新的Ubuntu 16 LTS ......所有标准程序

1. 正如https://www.postgresql.org/download/linux/ubuntu/

   所述

   1.1。创建/etc/apt/sources.list.d/pgdg.list

   1.2。 wget --.. apt-key add ... apt-get update

2. apt install postgresql

永恒的错误信息，如何避免呢？

Building PostgreSQL dictionaries from installed myspell/hunspell packages...
Removing obsolete dictionary files:
Setting up postgresql-10 (10.1-1.pgdg16.04+1) ...
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/(?<!\\)\${ <-- HERE ([^}]+)}/ at /usr/sbin/pam_getenv line 78.
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/(?<!\\)\${ <-- HERE ([^}]+)}/ at /usr/sbin/pam_getenv line 78.
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/(?<!\\)\${ <-- HERE ([^}]+)}/ at /usr/sbin/pam_getenv line 78.

...

... Success. You can now start the database server using:

    /usr/lib/postgresql/10/bin/pg_ctl -D /var/lib/postgresql/10/main -l logfile start

Ver Cluster Port Status Owner    Data directory              Log file
10  main    5432 down   postgres /var/lib/postgresql/10/main /var/log/postgresql/postgresql-10-main.log
update-alternatives: using /usr/share/postgresql/10/man/man1/postmaster.1.gz to provide /usr/share/man/man1/postmaster.1.gz (postmaster.1.gz) in auto mode
Setting up postgresql (10+189.pgdg16.04+1) ...
...

所以，＆＃34;永恒的错误＆＃34; （每次安装，也许是从v9.0开始）

• 重复多行＆＃34;正则表达式中未转义的左括号不推荐使用，在正则表达式中传递;由<-- HERE in m/(?<!\\)\${ <-- HERE ([^}]+)}/标记为...＆＃34;

• 红线＆＃34; 10主5432 down postgres ...＆＃34;

如何对老板说＆＃34;看看这些消息，一切都很完美，别担心！＆＃34; ？

我以前可以修理一下吗？我可以在安装后做一些事情来证明什么都没有，PostgreSQL 100％可靠？

另见ubuntu/bug/1545904：另一方面有一些东西，一种＆＃34;官方借口＆＃34; PostgreSQL团队表示我们必须忽略这些消息吗？