You should know all basic algorithms in computer science, especially sorting, and the complexity in Big O notation. Avoid O(n^2) or higher complexity if possible.
Basic data structures are essential as well, such as Queue, Tree, Graph, etc. You need to know what kind of algorithm is useful in such case. When you use specific data structure or sorting algorithm. When is it efficient, when is not...
Also, system architecture providing scalability and reliability is another concern because of the size of Google's users. Your system should be able to provide the service to millions of users. Load balancing,
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Dell Optiplex mainboard layout from the service manual: (Image source: https://topics-cdn.dell.com/pdf/optiplex-9020-desktop_owners-manu... -
When OpenStack creates a snapshot, the image is stored as qcow2 format with Glance, in the directory of /var/lib/glance/images/. However, ...
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Reference: http://blog.earth-works.com/2013/02/22/how-to-set-up-openswan-l2tp-vpn-server-on-centos-6/ OpenVPN is easy to set up, but needs...
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