Fixing Iconia W700P WI-FI unstable connectivity (losing connection)

frustration

(source: menspsychology.com)

After my laptop died I was forced to work on Acer Iconia W700P tablet which is great piece of hardware (I wrote about it here) and after fresh installation I come to the problem that WI-FI network adapter was losing connectivity every 10 minutes. It was a real frustration so I searched for solution and found in one forum that you should try to do these two things:

  1. Control Panel > Network and Sharing Center > Change adapter settings > Find your WI-Fi network adapter > Right click > Properties > Configure > Power Management > Turn off “Allow the computer to turn off this device to save power”
  2. Control Panel > Power Options > Change plan settings (of your current plan) > Change advanced power settings > Wireless Adapter Settings > Power Saving Mode > choose Maximum performance (or not to turn it off)

These two advices didn’t help me so I went to Acer website and found the latest WI-FI driver for my model, unistalled previous driver in Device manager, restarted the machine, installed new driver and it is now stable and steady. Finally!

Have a good weekend!

Protecting your Linux server from Heartbleed bug

I have got at least 20 emails from different sources about OpenSSL vulnerability, known as Heartbleed bug

It allows anyone on the Internet to read the memory of the systems protected by the vulnerable versions of the OpenSSL software. More details about this (how to reproduce and fix) can be found here.

To check if your server is vulnerable use this online tool.

heartbleed

At the end, in order to protect your server’s Linux OS you need to do this few steps:

  1. Login through SSL (you can use Putty from Windows) as root administrator
  2. Run “yum update” – this will update your OpenSSL
  3. You need now to restart restart all SSL-enabled services and the easiest way is to restart your server. Use “shutdown -r now
  4. After your server reboots itself, check if all is OK typing (use Putty again): “rpm -q –changelog openssl-1.0.1e | grep -B 1 CVE-2014-0160” and you should get something like this “Mon Apr 12 2014 Toma┼ż Mraz <tmraz@redhat.com> 1.0.1e-16.7

I would like to thank Michael Photakis, Eric Delorme and Stephen Chaffins from the CPanel team for their excellent support.

Happy sleeping.

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