I verified the source from which I had that information.

我核实了我获知那条信息的来源。

You can download the source from the Nagios site.

可以从Nagios站点下载源代码。

All our desktop clients are open source from the start.

我们的桌面客户端从一开始就是开源的。

there is no other source from which State power can be drawn.

也就是说国家力量并不存在其他的来源。

Select a source from the results shown in the resources table.

从结果表中选择一个作为同步源。