Scenario Video – Understanding Storage Volume Managers
https://www.youtube.com/watch?v=ETAOci39iIQ
Unix, Linux, DevOps , Cloud computing and BigData Knowledge-Base
Python Interview Preparation – Assessment – 3
[mlw_quizmaster quiz=28]
RHEL5/6 Interview Questions : Remote System Access
1. What is SSH used for? 1a. SSH is used for secure remote management of Linux systems. 2. Should you allow remote root access? Why or why not? 2a. You should never allow remote root access. Should your root account become compromised and you use the same...
Performance Monitoring : Vmstat – to find performance bottleneck
The vmstat command is a useful tool to get a general overview of system performance and to triage for performance issues. Performance bottlenecks fall into four major categories: CPU, disk I/O’s, memory, and network I/O’s. The vmstat can help to find problems within the first three...
Configuring Solaris Syslogd for Centralized log Setup
Syslogd is the daemon that continuously reads and forwards system messages to the appropriate log files or users, depending upon the priority of a message and the system facility from which it originates. The syslogd daemon reads the /etc/syslog.conf to process each and every system message...
Memory Management in Solaris (how to repair temporary memory faults)
Memory Management in Solaris (how to repair temporary memory faults) Herein I am trying to present a simple method to recover faulty temporary memory errors for Solaris OS. Below are the steps: A) Check the memory errors/faults via FMA (fault management Administration). Check the errors with...
RHEL5/6 Interview Questions : Network Services
1. What is the xinetd service used for? 1a. The xinetd daemon is used to control and/or run multiple system services. One example is a TFTP server. 2. Editing the /etc/xinetd.d/tftp file and enabling the service are the same as running the chkconfig tftp on command....
Just enough GiT for Puppet Automation – Part6
All Posts in this Series Just enough GiT for Puppet Automation – Part1 Just enough GiT for Puppet Automation – Part2 Just enough GiT for Puppet Automation – Part3 Just enough GiT for Puppet Automation – Part4 Just enough GiT for Puppet Automation – Part5 Just...
Just enough GiT for Puppet Automation – Part4
All Posts in this Series Just enough GiT for Puppet Automation – Part1 Just enough GiT for Puppet Automation – Part2 Just enough GiT for Puppet Automation – Part3 Just enough GiT for Puppet Automation – Part4 Just enough GiT for Puppet Automation – Part5 Just...
Solaris Troubleshooting : Disk i/o Performance Issues
This post is to highlight some of the steps needed to diagnose if an issue is in fact a disk performance issue or not. And if it is, what data will be collected to help diagnose the issue. Please note that performance in general is not an...
