How to download all the RHEL7 docs

You can easily download all of the available Red Hat Enterprise Linux 7 Documentation (in PDF format) from a BASH prompt, by using the following command line:

curl -s https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/ | grep -o '[^"]*Linux/7/pdf[^"]*' | xargs -I{} wget https://access.redhat.com{}

This is very handy when you are studying for RHEL 7 Certification (RHCSA/RHCE). All the answers to the test are in these docs...  :-)

Official RHEL7 Information

Here's a list of links to Official Red Hat Enterprise Linux information:

• Red Hat website provides the official documentation*,
• Red Hat Enterprise Linux blog gives general information,
• Red Hat Developer blog offers information to developers,
• Red Hat Community blog communicates about general events,
• Red Hat Security blog talks about security,
• Red Hat Storage blog discusses storage topics (Big Data, Ceph, GlusterFS, etc),
• Red Hat Services blog provides information for IT professionals,
• Red Hat customer portal provides a place for discussions on technical topics,
• Red Hat Certified Professionals Facebook account gives information about trainings and certifications,
• Red Hat LinkedIn group is a place to meet other Red Hat Certified Professionals,
• CentOS 7 blog offers the last news about CentOS 7,
• Oracle Linux provides an Administrator’s Guide for Release 7,
• Red Hat offers a RHEL 7 Network Performance Tuning Guide and a RHEL 7 Real-Time Installation Guide.

RHEL 7 Reference Cards

Red Hat provides these quick reference PDF files for their Red Hat Enterprise Linux products:

• Red Hat Systemd cheat sheet, Linoxide Systemd cheat sheet,
• Red Hat ip command cheat sheet,
• Red Hat yum command cheat sheet,
• RHEL 5/6/7 cheat sheet, RHEL 5/6/7 common administrative commands.

How to delete blank rows in MS Excel

How to quickly and easily delete all blank rows from an Excel Spreadsheet:

​http://www.howtogeek.com/206696/how-to-quickly-and-easily-delete-blank-rows-and-columns-in-excel-2013/