What is NFS hard and soft mount in Linux and which option we should use ?
In this article, we will look what is the meaning of hard and soft mount in NFS and which option we should use ? To understand this lets understand the...
Month: October 2018
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PAM (Pluggable Authentication module) Usage and Configuration in Linux : All about PAM to know.
1. PAM Introduction Pluggable authentication module (PAM) provides a mechanism to incorporate multiple low-level authentication schemes into a high-level application programming interface (API). Sun Microsystems introduced the concept of PAM...
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Understanding GPT(GNU Partition Table) and MBR in Linux.
Today we will check what is MBR and GPT, what are their differences/similarities and what should we use ? 1. What is MBR ? MBR(master boot record) is the first...
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How to do system update, patching, its rollback in RHEL or Centos ?
In this post, we will look how to perform RHEL or CentOS system update, package update, and how to rollback the changes. We will cover below scenarios: 1. Package update...