Aruba VAN SDN Controller (invalid user & password combination specified!)

Hello, In this post, I will give the resolution of Invalid user & password combination specified error by the Aruba VAN SDN Controller after fresh installation from the deb. package Ubuntu version for the SDN Controller. tesla@hpcontroller:~$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 14.04.5 LTS Release: 14.04 Codename: trusty […]

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How to Change I/O Scheduler in Linux

Linux kernel is one of the most complicated software which is being used variety of systems such as laptops, embedded devices, hand-held devices, Database servers, supercomputers etc., All these kind of devicesĀ  demand different type of requirements. Some of the applications require fast response to user input. As you know, disk is the slowest physical […]

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