Useful tips for everyday
Why is my Mac name on the network? When you enable services like screen sharing, file sharing, or printer sharing, OS X will broadcast your…
How do I give Excel Access to edit? Start Excel, and then open a blank workbook. On the Tools menu, point to Protection, and then…
How do I open a MySQL client in terminal? In Unix and Linux, type the path/filename (for example, /usr/local/mysql/bin/mysql). In Windows, open a command prompt…
Can I upgrade my macOS without losing data? No. Generally speaking, upgrading to a subsequent major release of macOS doesn’t erase/touch user data. Pre-installed apps…
How can I give sudo full user without password? Enable sudo without password in Ubuntu/Debian Open the /etc/sudoers file (as root , of course!) by…
How do I restore SD card to full capacity? In order to fully format and reclaim the full capacity of the SD card, follow steps:…
When was CIDR introduced? 1993 CIDR was introduced by the Internet Engineering Task Force (IETF) in 1993 to fix this problem. Why Classless Inter-Domain Routing…
Can I restore my iPhone from backup after setting it up as a new phone? Just launch Settings on your old iPhone and tap on…
Where is a file extension found? A file extension is a three- or four-letter identifier found at the end of a file name and following…
How do I authenticate in MongoDB shell? Starting in MongoDB 4.4, you can either: Omit the password to prompt the user to enter a password:…