在Ubuntu上安装Oracle 12c Release 2失败，因为它不是受支持的发行版。我该如何安装？
从Ubuntu Server 14.04升级到16.04后，我还必须将Postgres集群从9.3升级到9.5。正常的方法是首先删除升级创建的（空）9.5集群：
＃pg_dropcluster 9.5主
然后将旧的9.3群集升级到9.5：
＃pg_upgradecluster 9.3主
但是，这会导致错误：
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = "en_US.UTF-8",
LC_ALL = (unset),
LC_PAPER = "nl_NL.UTF-8",
LC_ADDRESS = "nl_NL.UTF-8",
LC_MONETARY = "nl_NL.UTF-8",
LC_NUMERIC = "nl_NL.UTF-8",
LC_TELEPHONE = "nl_NL.UTF-8",
LC_IDENTIFICATION = "nl_NL.UTF-8",
LC_MEASUREMENT = "nl_NL.UTF-8",
LC_TIME = "nl_NL.UTF-8",
LC_NAME = "nl_NL.UTF-8",
LANG = "en_US.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to a fallback locale ("en_US.UTF-8").
Error: The locale requested by the …