have lots of images in png format (over 250k+ png). Properly formatting and compressing png images can save many bytes of data. How do I compress and optimize png images on my amazon cloud account so that I can save bandwidth on cloudfront cdn account? How do I use an image compressor to create lossless compression on PNG files, with no effect on image quality in bulk using Red Hat Enterprise Linux bash shell?
uhosin is an open source patch for PHP. How do I install suhosin under CentOS / Red Hat Enterprise Linux server running on my IBM server?
am a new RHEL (Red Hat Enterprise Linux) version 6 server admin user. What is the command to shut down a RHEL based system over the ssh based session? How do I shutdown a CentOS Linux based system?
ow do Install view vnstat – a network console output using my web-browser? How do I install vnstat php frontend on CentOS / RHEL / Fedora Linux based system?
ow do I install vnstat software – a console-based network traffic monitor under CentOS or RHEL or Fedora Linux operating system to keep a log of hourly, daily and monthly network traffic?
am using yum update command with RHN to upgrade packages installed on my server, but getting the following warning on screen :
yum update -y
Loaded plugins: product-id, protectbase, rhnplugin, security, subscription manager:
Updating certificate-based repositories.
Unable to read consumer identity
0 packages excluded due to repository protections
Setting up Update Process
--> Running transaction check
How do I get rid of this warning /error under RHEL 6 server?