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// e.g. ssh 1.2.3.4, will probe until server is ready, useful when waiting for reboot
sp()
{
echo "Probing..." ; (while ! nc -z -v -w1 $1 22 > /dev/null 2>&1 ; do :; done) ; echo "Connecting..."; ssh -o StrictHostKeyChecking=no "$1"
}
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