Linux

  • How to Troubleshoot Cell Issues with Upower Scripts

    Whether you use a laptop, netbook, notebook, tablet or even a Linux smartphone, you’re bound to end up with cell issues after you’ve used it for a long period. More than likely your monitoring icon simply indicates that your battery is charging or discharging. Perhaps it indicates a percentage, but…

  • How to Dump Data from Virtual Console

    Virtual console technology is a complex conceptual combination of a display and keyboard to form a complete user interface. In the old days a classic Unix installation would use several different monitors and keyboards hooked a central mainframe to provide multi-user access. Today Linux allows users to simply switch between…

  • How to fix Pear install issues after installing from Repositories

    Pear (PHP Extension and Application Repository) is a useful tool for installing PHP extensions and repositories on Linux, Max and Windows.  It allows for adding functionality to PHP, without the risk of code found randomly on the Internet. In case you are unaware, adding code without knowing that the source…

  • SOLVED: “Unable to initialize audit layer: Permission denied” bug in libvirt-bin after upgrading Ubuntu Server 14.04 to Ubuntu Server 16.04

    Today I decided to go ahead and upgrade one of my servers from Ubuntu 14.04 to 16.04.  It is not recommended to do this on a production server, as there are many issues that can go wrong.  Best practices always indicate that spinning up another server either as a replacement,…

  • Fix: Failed No Route to Host On Ubuntu With Multiple Networks

    When you have a complex network setup, it is frustrating to have the “No Route to Host” start appearing after raising a new interface.  This is frequently due to the default route being either changed or dropped. To check your default route enter ip route show As show above I have…

  • PART 2: Installing NGINX, MySQL and PHP on Ubuntu 16.04 Xenial Xerus

    Since we are using Ubuntu 16.04, you don’t have to build NGINX from source to get the enhancements of 1.9+. Instead, you can install nginx using the sudo apt-get command below. This will install the package, with prebuilt configurations for nginx. sudo apt-get install nginx -y If you want to…

  • All You Need to Know About SSH Tunneling

    SSH Tunneling is very good for network administrators or even home users concerned about the security. If a connection is not encrypted, then the information transmitted will usually be via plain text which can be intercepted / read exposing your network to a risk of hacking. It is extremely important…

  • Your Guide To Using SSH

    SSH is a network protocol which works in a console. The most commonly used SSH client is PuTTy. The image below shows an established SSH session. It is easy to use, and quick. Most IT Professional’s manage the entire network solely via SSH because of the security, and the quick/easy…