System Load

Your server or computer is currently running slower than normal. You know that its been online for days or even weeks. So, you’ re Troubleshooting Here are the commands and steps you can use to troubleshoot a machine that is running slow or is freezing up constantly. uptime Uptime is a command used to view […]

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Enable PIN Login on windows

Problem User request to use a PIN on their laptop instead of a password. The Laptop is currently joined to a domain and PIN login has been disabled. Solution Press Windows Key + R combination, type put gpedit.msc in Run Hit Enter and the Local Group Policy Editor will appear. You will need to follow this path to enable the Pin Login. Computer […]

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Troubleshooting a slow system

Problem A server or computer is currently running slow, but you are able to log into it. You want to see what is causing the problem. Troubleshooting Here are the commands and steps you can use to troubleshoot a machine that is running slow or is freezing up constantly. uptime Uptime is a command used […]

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Wireshark | Getting Started

Wireshark is an open source packet analyzer, software analysis, network troubleshooting tool. What does it do? Wireshark allows its user to view raw data that is being transmitted over a network. Its main purpose is to encapsulate network packets so they can be analyzed for troubleshooting an issue. How is it different from TCPdump? Wireshark is […]

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SPINNING BEACH BALL OF DEATH

Let’s just assume that you are using Mac (OSX) and for a second that you are having trouble with a program, this program is currently frozen and unresponsive. What can you do besides select “force quit”? The solution to your problem is the kill command. We’ve mentioned the kill command before, but I’m sure that […]

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FILE SYSTEMS AND HIERARCHIES

Linux File System A file system is the method and data structures that an operating system uses to keep track of files on a disk or partition. Basically how things will be stored. Before a partition or disk can be used as a file system, it needs to be initialized, and the bookkeeping data structures […]

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IPTABLES

Iptables is a firewall designed to filter packets based on a rule set. IPtables uses lists (aka chains) of rules, which are checked each time a packet is processed. filter table (default) INPUT – Incoming packets destined for the local machine. OUTPUT – Outgoing packets. FORWARD – Routed packets. nat table (-t nat) – new […]

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FIX OUTLOOK “THE OPERATION CANNOT BE PREFORMED BECAUSE THE CONNECTION TO THE SERVER IS OFFLINE”

This error is caused when outlook cannot find the main profile on your laptop or the profile has been corrupted. Which can be frustrating issue. Here is how to fix it. Opening Outlook in safe mode (Part 1): The First step is to press the following keys. Win + R This known as “run” where […]

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Last time we spoke about unzipping an archive/compressed with tar. This time we’re going to show you how to compress a file with tar. Tar as you know it is most commonly used for unzipping compressed files and unzipping archived files. Both archived files and compressed files contain multiple files combined into one. This makes […]

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