nixCraft Linux / UNIX Newsletter

sudo: Sorry, you must have a tty to run sudo Error on a Linux and Unix
How to ignore invalid and self signed ssl connection errors with curl
Empty or Delete a log files in Linux or UNIX
How to change root password on macOS Unix using terminal

sudo: Sorry, you must have a tty to run sudo Error on a Linux and Unix

Posted: 20 Dec 2018 02:30 AM PST

I am getting an error that read as 'sudo: sorry, you must have a tty to run sudo'. How do I fix this problem on Linux or Unix based systems?

The post sudo: Sorry, you must have a tty to run sudo Error on a Linux and Unix appeared first on nixCraft.

How to ignore invalid and self signed ssl connection errors with curl

Posted: 20 Dec 2018 02:25 AM PST

I wanted to curl command to ignore SSL certification warning. How do I force the curl command to ignore all invalid and self singed ssl connection errors?

The post How to ignore invalid and self singed ssl connection errors with curl appeared first on nixCraft.

Empty or Delete a log files in Linux or UNIX

Posted: 20 Dec 2018 02:20 AM PST

My web server's log file size is quite huge or large. How do I delete a log file in Linux without distributing running application? Is there a proper way to clear log files on Unix?

The post Empty or Delete a log files in Linux or UNIX appeared first on nixCraft.

How to change root password on macOS Unix using terminal

Posted: 20 Dec 2018 02:13 AM PST

I am a new user of macOS Unix running on MacBook Pro and Mac mini server. I need to change the password for root user account on macOS. How do I change the root password on macOS Unix using command line options?

The post How to change root password on macOS Unix using terminal appeared first on nixCraft.