In most cases, you should catalog the database connections as described in Setting up a connection to a database so that you can test the connection from the command line.

在大多数情况下，应该像建立到数据库的连接中所描述的那样编目数据库连接，以便可以从命令行测试该连接。

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In my case, I use tcplimit to set a maximum upper bound for rsync usage to prevent my DSL line from becoming saturated by too many rsync connections.

在我遇到的情况中，我使用tcplimit来设置使用rsync的最大上限，以防止太多rsync连接占据我的DSL线路。

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Save for two underwater connections to Long Island, new York State has not built a major new power line in 20 years.

二十年多来，除了两条连接长岛的线路外，纽约州还没有建设过其它新的大型输电线路。

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Both include in-line controls and accessories needed for voice connections.

ENGADGET: ZAGG intros a pair of Bluetooth keyboard cases for the iPad, three pairs of gaming headphones

BMI-T, a market-research firm, predicts that there will be around 400, 000 broadband connections both fixed-line and various forms of wireless in South Africa by the end of the year.

ECONOMIST: Telecoms in South Africa

The bus line would like to draw in more people by offering such amenities as laptop plug-ins and wireless Internet connections--all of which take money it doesn't have.

FORBES: Doghouse On Wheels