Quickly update user password in an automated fashion

 Helpful when updating a user password in a script for small test clusters:

$  ssh remoteserver 'useradd newuser;  $PASSWD_COMMAND'

where $PASSWD_COMMAND  is one of the following:

    echo -e "newpassword\newpassword" | passwd newuser

    echo "newuser:newpassword" | chpasswd

    echo "newpassword" | passwd --stdin newuser

Install Mac OSX El Capitan to a USB stick via CLI

On the command line, copy and paste the following.  NOTE: Substitute the path of the actual USB stick in place of  /Volumes/:

sudo /Applications/Install\ OS\ X\ El\ Capitan.app/Contents/Resources/createinstallmedia --volume /Volumes/ --applicationpath /Applications/Install\ OS\ X\ El\ Capitan.app

Sourced from:
http://www.macworld.com/article/2981585/operating-systems/how-to-make-a-bootable-os-x-10-11-el-capitan-installer-drive.html

Install Cisco's Webex Plugin on the Opera Web Browser

Confirmed to install and run with the following versions of software:

• Opera Web Browser 39.0.2256.71
• Cisco Webex Extension Version 1.0.1 (Updated on 9/5/2014)

Dependencies:

• Opera needs to have the following extension installed to allow installation of Chrome plugins:
• CRX Extension Source Viewer  Version 1.3.1, Last updated on 8/31/2016

Per the Webex support document for installing the Webex Extension, the following link is used to install the Webex extension:

https://chrome.google.com/webstore/detail/cisco-webexextension/jlhmfgmfgeifomenelglieieghnjghma?hl=en&authuser=1


Installation Steps:

1. Install the CRX Extension Source Viewer in Opera
2. Navigate to the Cisco Webex Extension plugin install page
3. Click on the yellow CRX button  on the top of the Opera page 
4. Click on Install 
5. Opera will now navigate to the Opera Extensions page, and will prompt to install.   Click on the install button  and the Cisco Webex plugin should install.
6. Once completed, the Cisco Webex Extension should now appear in the Opera Extensions page: