alware is becoming more and more common for macOS. I wanted to make sure file I downloaded files such as an ISO image or firmware are safe before install on my system. How do I verify md5 or sha1 or sha256 checksums for my Apple MacOS X when I download files from the Internet?
I got a Raspberry PI 3 from my friend. I am a long term macOS user. How do I write Raspbian image file to SD card using macOS?
want to display a countdown before purging cache from CDN network. Is there an existing command to show a conuntdown from 30..1 as 30,29,28,…1 on Linux or Unix bash shell script?
ow do I add the write cache called the ZIL and read cache called L2ARC to my my zroot volume? How do I extend my existing zroot volume with ZIL and L2ARC ssd disks of FreNSA server?
type ‘find . -type d -iname foo -delete
‘ command to find the foo directories and delete them. However, I am getting an error message that read as find: cannot delete './hourly.4/data/foo': Directory not empty
on Linux server. How do delete directories based on find command output on Linux or Unix-like system?
want to run a cron job that should run a specific shell script /home/jobs/sync.cache.sh every minute. How do I use crontab to execute script every minute on Linux or Unix-like system?
want ALL cyberciti.biz to go to www.cyberciti.biz for SEO and other reasons. I want ALL HTTP traffic to go to HTTPS. How do I redirect all HTTP/HTTPS non-www (e.g. domain name cyberciti.biz) traffic to www (e.g. domain name www.cyberciti.biz) when using Nginx web server?