Learn step by step to upgrade package on RHEL system using YUM. Insights of how package upgrade process takes place in background.
Learn how to open file in read only mode under vi or vim editor. Opening read only prevents any accidental edits in file and maintain file integrity.
Understand what is zombie process in Linux Unix, how process goes to zombie state, how to handle zombie process, what is impact of zombie processes.
Learn how to disable direct root access to Linux and HPUX servers by altering parameters in SSH configuration files. Its one of the hardening step.
Learn how to install EC2 Linux server of your favorite distro on Amazon Web Services cloud platform. Free Linux server for learning and practicing.
How to guide for checking and testing APA configurations in HPUX. Auto Port Aggregation is used for NIC redundancy which is similar to NIC teaming in Linux.
Step by step guide to establish passwordless ssh in two Unix or Linux servers. Authenticate securely using public and private keys.
Learn how to map Linux disk to vmware disk for virtual machine hosted on vmware. This ensures you are treating correct disk on virtualization layer.
How to guide for running script or starting your custom coded daemon/service at system boot. Use RC script directory to load custom daemons at boot.
Step wise how to guide for Ignite tape backup. Includes media check commands, backup log analysis and troubleshooting steps.