Posts

Posted on

Time Management for System Administrators: Book Review

I truly believe that often I read books at the right time,  some of them resonate with me in many ways, helping me looking things from a different perspective or simply realise that I share so many experiences with the author that make me feel involved with the whole story.

Time Management for System Administrators is exactly this type of book, peculiar for the focus on applying time management to a specific role in IT with the right amount of fun and analytic approach.

It was written a few years ago, but 99% of the content is still applicable and relevant today.

Continue reading “Time Management for System Administrators: Book Review”

Posted on

How To Modify Your Proxy Settings with Powershell

Proxy servers are everywhere and used for more than one purpose. Frequently a bad configuration of a proxy server on the device can be the root cause of users navigation problems or negative experience, needless to say, that companies use group policies to manage proxy settings or transparent proxy in a router/firewall to avoid this problem.

But in general, a proxy server has a positive impact on the user experience and sometimes the user is not even aware of it. Continue reading “How To Modify Your Proxy Settings with Powershell”

Posted on

BaSH and NMap to list all devices connected to a guest wi-fi network

Monitoring your network resources and infrastructure effectively requires planning, knowledge of the metrics and experience of how to set up the threshold for warning and critical alarms and a lot of testing.

It’s very hard to focus on signals where there is too much noise.

Usually the tool you’re using doesn’t matter so much, what it’s really important what to implement more than how. And even if the configuration and the design are different we should be able to achieve similar results.

In this example I use a very popular tool such NMAP and with BaSH create a plain text report of a guest wi-fi network that sometime I want to generate.

Continue reading “BaSH and NMap to list all devices connected to a guest wi-fi network”

Posted on

PowerShell Requires Statements

When we write code we make assumptions on the environment and the correct execution and most importantly obtaining the expecting result strictly depends on it.
I will not touch on software design or testing process, but just focus on an essential foundation that everyone should think to write better code and more efficient. Preventing to revisit code looking for answer the question of why is not working as expected.

Continue reading “PowerShell Requires Statements”