Month: February 2017

Robot install – CA Unified Infrastructure Management – 8.1

Deploy Robots in Bulk with a Third-Party Tool and Native Installers Many IT environments already have a bulk software deployment mechanism in place (such as Puppet or Yum on Linux, or Altiris on Windows). Almost any third-party distribution mechanism can be used as long as it can: Copy a native robot installer to a remote […]

Kali Linux book

Kali Linux Revealed: Mastering the Penetration Testing Distribution. This is the first official Kali book from Offsec Press, and is scheduled for release on June 5th, 2017. Kali Linux Revealed will be available in both hard copy and online formats. Keeping the Kali Linux spirit, the online version of the book will be free of charge, […]

chattr command – rarely used gem

Cool Command Perform as root set this bit to esnure file cannot be accessed to anyone ;even root # chattr +i foo_file undo the above # chattr -i foo_file show attributes # lsattr foo_file i——–  foo_file The following bit allows only appending to a file – not changing existing content # chattr +a foo_file to unset execute below […]

Yum Security Updates

credit: Is it possible to limit yum so that it lists or installs only security updates?  SOLUTION VERIFIED – Updated July 17 2015 at 11:20 AM – English  Environment Red Hat Enterprise Linux 7.x Red Hat Enterprise Linux 6.x Red Hat Enterprise Linux 5.1 and later Red Hat Network Hosted Red Hat Satellite Issue Is it possible to […]

Updating Dell PowerEdge servers via bootable media / ISO

Credit DELL: This article provides information about how to update all the firmware for your Dell PowerEdge servers in one step via the ISO images (ISO-files) provided below. These include a small bootable Linux distribution and a collection of all firmware (repositories) for a specific server model. The updates are done automatically after starting […]

Netapp Thick / Thin Provisioning

Source credit:> THIN PROVISIONING:   Thin provisioning is used in large environment because we can assign the more space than what we have in current environment.   If we take an example that, if you have 1TB storage space in SAN still you can allocate to the clients 1.5TB, if you enable the thin provisioning […]


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