The mktemp Command Tutorial With Examples For Beginners
We already know how to create files of a certain size in Linux. Creating files with the given size can be helpful in many occasions. For example, after deploying a new file server, you might...
Category: FAQ
How To Find USB Device Bandwidth Usage On Linux
The other day I wanted to check how much bandwidth is being used by my external USB drive when transferring files from local hdd drive to external drive. While looking for an easy way, I...
How To Display Bash History Without Line Numbers
As you know already, the Bash history file (~/.bash_history) keeps a record of all the commands you run in the Terminal. We can use the history command to view the list of recently-executed commands in...
How To Find Top Most Used Commands On Linux
The other day a fellow Linux user and I were discussing about Linux commands. He asked me which Linux command I use the most. I told him one of my most frequently used command is...
SSLH – Share A Same Port For HTTPS And SSH
Some Internet service providers and corporate companies might have blocked most of the ports, and allowed only a few specific ports such as port 80 and 443 to tighten their security. In such cases, we have...
Fix ‘E: The package cache file is corrupted, it has the wrong hash’ Error In Ubuntu
Today, I tried to update the repository lists in my Ubuntu 18.04 LTS desktop and got an error that says – E: The package cache file is corrupted, it has the wrong hash. Here is...
How To Configure IP Address In Ubuntu 18.04 LTS
The method of configuring IP address on Ubuntu 18.04 LTS is significantly different than the older methods. Unlike the previous versions, the Ubuntu 18.04 uses Netplan utility. It is a new command line network configuration...
How To Change Linux Console Font Type And Size
It is quite easy to change the text font type and its size if you have graphical desktop environment. How would you do that in an Ubuntu headless server that doesn’t have a graphical environment?...
How To Fix “Kernel driver not installed (rc=-1908)” VirtualBox Error In Ubuntu
I use Oracle VirtualBox to test various Linux and Unix distributions. I’ve tested hundred of virtual machines in VirtualBox so far. Today, I started Ubuntu 18.04 server VM in my Ubuntu 18.04 desktop and I...
