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Managing Hypervisor with OnApp
This article will guide you on OnApp which is a complete cloud management software. Basically, OnApp is one of the popular #software for managing hypervisors.
Hypervisors support the creation and management of virtual machines (#VMs) by abstracting a computer's software from its hardware.
OnApp is a complete Infrastructure-as-a-Service solution for cloud providers, #CDN providers, telcos, carriers, MSPs and enterprises.
With #OnApp, you can manage all of your #IT through a single pane of glass: orchestration, management, scaling, backups, DR, RBAC, governance, metering, chargeback and provisioning – for VMs, containers, apps and bare metal – across multiple sites, in one UI.
Hypervisors make virtualization possible by translating requests between the physical and virtual resources.
OnApp can simplify infrastructure management, automate your datacenter, maximize your investments in hardware, and deliver intuitive, secure cloud services to customers, partners and employees.
1. Easy to deploy: OnApp includes a complete suite of cloud orchestration, management and provisioning tools, fully integrated into one platform.
2. Easy to use: OnApp includes a fully customizable, selfservice control panel that streamlines workload management, and uses intuitive wizards and GUI controls to make cloud management and provisioning as simple and efficient as possible.
3. Highly scalable: OnApp clouds feature autoscaling as standard, enabling individual servers to scale vertically and horizontally based on configurable thresholds.
4. Highly available: OnApp clouds are secure, self-healing and extremely resilient, with multiple backup schema, automatic hypervisor failover, High Availability support, and disaster recovery options for real-time remote replication and restore.
Back Pressure in Exchange server
This article will guide you on Back Pressure which is a feature that helps the Transport Service monitor system resources and stop message submission when it runs low on resources.
Microsoft Exchange Transport Service Resource Monitoring.
Microsoft Exchange enables email to be delivered directly to a server.
It works by sending the emails back to your individual workstations in which your staff can access.
Small and medium-sized companies can achieve three benefits from using Microsoft Exchange.
Centralize emails so that they can be backed up.
Exchange server roles:
1. Mailbox servers contain the transport services that are used to route mail.
2. Mailbox servers contain mailbox databases that process, render, and store data.
3. Mailbox servers contain the Client Access services that accept client connections for all protocols.
Increase Customer Lifetime Value
This article will guide you how to increase Customer #Lifetime Value. Lifetime value calculation LTV is calculated by multiplying the value of the customer to the business by their average lifespan.
It helps a company identify how much revenue they can expect to earn from a customer over the life of their relationship with the company.
If you can increase the average amount a customer spends every time they buy from you, you increase your customer lifetime value.
One of the most effective ways to do this is offering strategic up-sells and cross-sells.
These maximize the value both you and the #customer get out of every transaction.
To maximize customer lifetime value:
1. Up-selling.
2. Encouraging more transactions in each sale, or cross-selling.
3. Boosting the frequency of transactions.
4. Driving customers towards more meaty purchases.
5. Keeping them in the business relationship for more time.
Ispconfig vs vestacp
This article will guide you on how to choose the best control panel for customers. Basically, many factors depends to choose the right panel like Ispconfig and Vestacp.
Vesta control panel (#VestaCP) is an open source hosting control panel, which can be used to manage multiple websites, create and manage email accounts, FTP accounts, and #MySQL databases, manage DNS records and more.
To Install And Use Vesta Control Panel:
1. Install SSH Client.
2. Choose The Configuration Panel.
3. Login to Putty and VestaCP Installation.
4. Create a new user.
5. Add a new domain and database.
6. Add Cloudflare nameservers.
7. Add files to your domain via FTP.
8. Repeat the process for all your websites.
ISPConfig is a free open-source control panel application that allows website owners to easily administer their sites, similar to cPanel and Plesk.
It also allows resellers to manage multiple accounts on multiple physical or virtual servers.
ISPConfig only runs on #Linux servers.
To log into ISPConfig:
Navigate to the URL of your ISPConfig system (e.g. https://www.domain.tld:81 or http://www.domain.tld:81; replace "www. domain. tld" appropriately) with your Browser and enter your user name and your password into the form "Login". Confirm by clicking on "Login".
InnoDB vs MyISAM Performance
This article will guide you on the performance of InnoDB and MyISAM. MyISAM will out-perform InnoDB on large #tables that require vastly more read activity versus write activity. MyISAM's readabilities outshine InnoDB because locking the entire table is quicker than figuring out which rows are locked in the table.
InnoDB is better option while you are dealing with larger #database because it supports transactions, volume while MyISAM is suitable for small project.
InnoDB and MYISAM , are storage engines for MySQL .
InnoDB and #MYISAM differ on their locking implementation:
i. #InnoDB locks the particular row in the table, and MyISAM locks the entire MySQL table.
ii. As InnoDB supports row-level locking which means inserting and updating is much faster as compared with MyISAM.
Which storage engine is best in #MySQL:
1. InnoDB: The default option in MySQL 5.7, InnoDB is a robust storage engine that offers:
2. MyISAM: The functionality that sets MyISAM apart is its capability for:
3. NDB (or NDBCLUSTER): If a clustered environment is where your database will be working, NDB is the storage engine of choice.
Install OpenCV on Ubuntu
This article will guide you on different methods to install OpenCV on #Ubuntu 20.04. Even though installing the packaged version from the Ubuntu repository is easier, building OpenCV from source gives you more flexibility, and it should be your first option when installing OpenCV.
#OpenCV is the huge open-source library for the computer vision, machine learning, and image processing and now it plays a major role in real-time operation which is very important in today's systems.
By using it, one can process images and videos to identify objects, faces, or even handwriting of a human.
To install the latest OpenCV version from the source:
1. Install the required dependencies:
sudo apt install build-essential cmake git pkg-config libgtk-3-dev \
libavcodec-dev libavformat-dev libswscale-dev libv4l-dev \
libxvidcore-dev libx264-dev libjpeg-dev libpng-dev libtiff-dev \
gfortran openexr libatlas-base-dev python3-dev python3-numpy \
libtbb2 libtbb-dev libdc1394-22-dev2. Clone the OpenCV’s and OpenCV contrib repositories:
mkdir ~/opencv_build && cd ~/opencv_build
git clone https://github.com/opencv/opencv.git
git clone https://github.com/opencv/opencv_contrib.git3. Once the download is complete, create a temporary build directory, and switch to it:
cd ~/opencv_build/opencv
mkdir build && cd build4. Set up the OpenCV build with CMake:
cmake -D CMAKE_BUILD_TYPE=RELEASE \
-D CMAKE_INSTALL_PREFIX=/usr/local \
-D INSTALL_C_EXAMPLES=ON \
-D INSTALL_PYTHON_EXAMPLES=ON \
-D OPENCV_GENERATE_PKGCONFIG=ON \
-D OPENCV_EXTRA_MODULES_PATH=~/opencv_build/opencv_contrib/modules \
-D BUILD_EXAMPLES=ON ..5. Start the compilation process:
make -j86. Install OpenCV with:
sudo make installTo uninstall OpenCV Linux:
i. If you installed OpenCV from package manager, it's best to remove those packages. Check: apt list --installed | grep opencv .
ii. If you built it yourself, and you still got the build folder, run sudo make uninstall from the OpenCV build directory.
