I am a new Ubuntu Linux user. I am writing a shell script and using the curl command to grab URL output using curl https://example.com/data/api/$key/hash.html. However, the curl command is outputting complete progress information that my script does not need it. How can I get curl command not to show the progress bar output? How can I hide curl command output? Is there is a simple way for silencing curl’s progress output on an Ubuntu Linux desktop?
I compiled custom FreeBSD kernel for my FreeBSD jail to use vnet. How do I update my FreeBSD /usr/src/ code tree? How can I update source tree at /usr/src on FreeBSD using svn command to patch and compile kernel again?
I like htop on my Ubuntu server. The man page says it is a free (GPL) ncurses-based process viewer for Linux. Can I install htop on macOS Unix desktop? How do I install htop on macOS sierra based MacBook pro?
I have two WAN connection. The first WAN connection connects via FTTH modem. The second connection connects via 4G LTE CPE modem. I have configured fallback and load balanced dual WAN connection on my pfSense box. However, once in while the Internet connection either one of the WAN goes down. How can I tell pfSense to send an email notification when fallback (or any) WAN connection goes down? How to configure pfSense email notification when an alert happens?