Useful tips for everyday
How do you fix Chsh PAM authentication failure? Use which zsh to find your zsh location. $ which zsh /usr/bin/zsh. Add /usr/bin/zsh to /etc/shells. Check…
Does C follow indentation? The indent program changes the appearance of a C program by inserting or deleting whitespace. It can be used to make…
How does Sudo read the password from stdin? At first sudo will execute and reads the password from stdin. If it was OK with the…
What is 5V power supply? 5V power supplies (or 5VDC power supplies) are one of the most common power supplies in use today. In general,…
Is Raspbian OS open source? The Raspberry Pi operates in the open source ecosystem: it runs Linux (a variety of distributions), and its main supported…
What is the function for a bell curve? A bell-shaped function or simply ‘bell curve’ is a mathematical function having a characteristic “bell”-shaped curve. These…
Which is the correct way to get help in R? Getting Help in R Use the help available from the Help menu in R. There…
What is the condition for zero state response? Key Concept: Zero Input, Zero State and Complete Response The zero input part of the response is…
Can I use a 60 Hz device in a 50 Hz power frequency? For a generic answer: yes you can, IF: you reduce the voltage…
Can Ubuntu run on Raspberry Pi zero? To use the Raspberry Pi as a personal dev server, you should install Ubuntu Server 20.04 TLS. It…