Docker is a container that runs on the Base Operating system like Linux OS, Virtualization uses the hardware resources whereas Container uses the Installed Operating system resources. In other words container platform Docker is a system program that performs the operating system level virtualization.
The low disks space may lead to cause service outage to the customer if that unnoticed.
As we know most of the disk space gets occupied by log files and that could be any log files on windows or third party application running on windows.
Exchange servers can consume lot of IIS log files over time.As a best practice administrators configure IIS to store logs on a different disk to avoid problems, rest will wait for free disk space alerts and manually remove old logs from time to time.
Knowledge management is the process of capturing distributing and effectively using/reusing knowledge
In this article we will take a look at about the Knowledge transition questionnaires for Microsoft 365.
This guide will be helpful when you are scheduling the Knowledge Transition from other company when the support contract moving away from them to your organization.
Leadership skills Improvement – Introduction
Whether you consciously aware of it or not, on some level you are continually leading yourself and others – you don’t necessarily have to have a large team reporting to you to be considered a leader and to need effective leadership skills.
Oracle Virtual Box creating virtual machines in the Desktop / Laptops. It uses very less space and less memory consumption, It is very easy and simple interface for the end user to work right away. It’s is free to use.
In this chapter we are going to install oracle Virtual Box installation and creating virtual machines in MacBook.
Ansible ad-hoc commands are mainly useful for one time task. for example if we want to check the whether servers are reachable, or to find kernel or os version for servers, in this section we are going to see few use cases with ansible adhoc commands
A switchover is a scheduled outage of a database or server that is explicitly initiated by a cmdlet or by the managed availability system in Exchange Server. Switchovers are typically done to prepare for performing a maintenance operation (like monthly patching, Cumulative update, or hardware replacement).
Switchovers involve moving the active mailbox databases copy to another server in the database availability group (DAG). If no healthy target is found during a switchover, administrators will receive an error and the mailbox database will remain up or mounted.
dnf or Dandified YUM utility used in since Fedora 18, RHEL / CentOS8, In this blog we are going to see dnf features and how to use. dnf package manager utility is used to install / remove / update package and dependencies, the dnf repolist command will display the available repos in the dnf repository
LVM is a device mapper that manages the block devices. LVM disk can be resized, expect boot volume (/boot) all other file system can be made into LVM partitions.
We can dynamically allocate / de-allocate the file system with out rebooting the server. For expansion of disk is an online change, while removing a disk requires a minimal downtime.
sar informations are recorded for each and every second, we can see the current sar data’s as well as historic datas from the sar file, two files are written in the default path of sar configuration. i.e., saXX and sarXX
Use sar -f will get the historic data , example sar -f /var/log/sa/sa10 -r, will show the memory usage for the month day10.