nixCraft Linux / UNIX Newsletter

The Libreboot T400 is certified by the Free Software Foundation, under their Respects Your Freedom hardware certification program. It is now available at a reduced price without any binary blobs or backdoors in BIOS. The Libreboot T400 comes without the Intel Management Engine.

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 am using LXD ("Linux Container") on Ubuntu Linux serer. How do I list all available VM images for installation in the LXD image store?

How do I use the cURL command on Linux or Unix to post data i.e. upload something on Linux or Unix? How do I make a POST request with the cURL Linux command-line to upload 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?