Making updates robust
You might think that the problem of updating Linux systems was solved a long time ago--we all have Linux desktops that we update regularly (don't we?). Also, there are vast numbers of Linux servers running in data centers that are similarly kept up to date. However, there is a difference between a server and a device. The former is operating in a protected environment. It is unlikely to suffer a sudden loss of power or network connectivity. In the unlikely event that an update does fail, it is always possible to get access to the server and use external mechanisms to repeat the install. Devices, on the other hand, are often deployed at remote sites with intermittent power and a poor network connections, which makes it ...
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