I think Google has its own dns caching system. I am getting the same old dns entry in my Google Chrome browser on both Linux and Apple OS X. How do I flush or clear the DNS cache in Google Chrome browser without compete shutting down?
I recently ran a command ‘sed -i 's/CONFIG_1/CONFIG_OPT_2/g' /etc/nginx/sites-enabled/*.conf‘ on a Debian Linux server. However, the sed command destroyed the link and created a regular file in place of the link file. How can I prevent my ‘sed -i’ command from destroying symlinks on Linux or Unix-like system?
How do I use Ansible to upload ssh public key to as authorized_key to multiple Linux or Unix servers saved in an inventory file?
I need to run a Linux command over 20 servers using a root user and password in Ansible too. How do I pass a user and password in Ansible over ssh based session? How can I set a default Ansible username/password for ssh connection?
On Windows, I can hit Ctrl + Alt + Delete and kill apps or do other stuff. Sometimes Firefox browser hangs on macOS. Is there an equivalent of Ctrl + Alt + Delete keyboard shortcut to kill frozen apps on Apple macOS Sierra?
I have a file named /etc/passwd i and I would like to find all hard links to this file in a directory. How do I find out all other hard links to the /etc/passwd in /backups/ directory? How can find all hard links to a given file using Linux or Unix command line option?
How do I install the Ansible software to automate apps and IT infrastructure from my Apple Macbook pro running MacOS X?