Latest Articles
How to Re-Enable Backspace Key in Firefox
The Firefox web browser has enabled the backspace key to double as back button for many versions, however Mozilla recently decided to remove this functionality. If you are one of the many longtime Firefox users who rely on this feature and want to enable it again here is how you do it: Open a new […]
How to fix bind9 unexpected rcode (SERVFAIL) error
If you are running a bind server, you may have come across this error message: named[2465]: zone tekopolis.com/IN: refresh: unexpected rcode (SERVFAIL) from master 10.1.2.3#53 This happens when the master is not responding to a zone transfer request from one of the slave DNS servers. A quick check of the logs on the master DNS […]
How to Page Up and Page Down on a Mac
If you are used to using a Microsoft keyboard then you may have become accustomed to being able to quickly scroll up and down a page using the Page Up and Page down buttons. However, if you are using a Mac keyboard you may have realized there are no dedicated Page Up and Page down […]
How to Empty the Trash Securely in MacOS 10.11 El Capitan and Newer
If you have upgraded your Mac to OS X El Capitan or newer (Sierra, High Sierra, Mojave, etc), you may have noticed the Secure Empty Trash option is missing. When you are in the recycle bin, the only option that seems to be available is Empty Trash. This is annoying because it’s nice to have […]
Configuring NTP on a Linux client in 5 simple steps
Time is one of the most critical components of a computer system. Keeping time manually synchronized has been a thing of the past for years. If you want your system time to sync with other systems on the network, then configuring a Network Time Protocol (NTP) client will automate the task. The following steps will […]
Best method to pass any certification exam
Before we dig into the meat of the subject, lets discuss why we are here: Motivation. Why spend all that time studying for a certification exam? If you aren’t already passionate about the subject you are studying, then you might be searching for other reasons to pass a certification exam. Perhaps you already have a […]
How to Force Quit an application in MacOS
If you have used MacOS for a long enough time you might find yourself in a situation where an application simply won’t close. Going to the application menu and selecting quit (or using the keyboard shortcut command + Q) not always work when applications get stuck. There is hope though and it shouldn’t involve rebooting. […]
How to Configure a Static IP Address and IPv6 Address on Ubuntu Server
If you have a new installation of Ubuntu Server, you may want to configure a static IP address on it instead of relying on DHCP for a server. It’s not as simple as some platforms, but here’s the quick and dirty instructions on setting static IPs in Ubuntu Server: 1. Login with the admin user […]
How to concatenate multiple text files into one in Windows
Have you ever wanted to merge a bunch of text files together into one large one? For example, if you use a tool to go grab a bunch of show command results and output it to a text file per device, it’s handy if you can have the operating system merge all that together for […]
Immediately Update NTP in Linux using this simple process
If you have configured a Network Time Protocol client on your Linux host, but for whatever reason it is not updating then this process might help. If you haven’t configured NTPd on your system yet, check out this write up on Configuring NTP on a Linux Client. There are two values that the client uses […]
