Ping a remote server, to see if it is alive

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Description

This is the classic ping, using ICMP packages. Only the system administrator can send ICMP packages, so we call out to the system's ping utility.

Usage

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ping(destination, continuous = FALSE, verbose = continuous, count = 3L,
  timeout = 1)

Arguments

destination

Host name or IP address.

continuous

Logical, whether to keep pinging until the user interrupts.

verbose

Whether to print progress on the screen while pinging.

count

Number of pings to perform.

timeout

Timeout for a ping response.

Value

Vector of response times. NA means no response, in seconds. Currently NAs are always at the end of the vector, and not in their correct position.