For those who seek help in different areas of software and hardware platform.

How to Setup VMware Site Recovery Manager 6.0 Array Based Replication


In the Previous posts of SRM series, We have discussed about SRM architecture, SRM installation and SRM Site Pairing. Before we add Array Manager at the SRM configuration, we need to have the storage replication setup ready. VMware Site Recovery Manager supports two type of replication:
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How to Deploy VMware Site Recovery Manager (SRM) 6.0 Part 1


VMware Site Recovery Manager (SRM) is a disaster recovery and business continuity solution from the VMware,which automates the transfer of virtual machines to a local or remote recovery site. SRM works perfectly with the existing vSphere software and it operates as an extension of vCenter server. SRM automates the recovery or migration of virtual machines between protected site and a recovery site.
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How to Deploy VMware Site Recovery Manager (SRM) 6.0 Part 2


First step after the Site Recovery Manager installation is pairing the SRM Protected and Recovery sites. This process is called as Site Pairing. Once site pairing is completed, you will be able to see both the 2 SRM sites start appearing under site recovery plug-in in vSphere web client.  Site pairing can be done either at the protected site or the recovery site. SRM site pairing  is a straight forward and simple procedure. 
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How to Deploy VMware Site Recovery Manager (SRM) 6.0 Part 3


This part of the article series, will walk you through the steps to configure Site Recovery Manager inventory mappings. Inventory mappings involves in mapping the resources (clusters and resource pools), folders, and networks of the Protected Site to the Recovery Site. This step is required because we use 2 different vCenter servers installed that are not linked by common data source.
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How to Setup a Shared Network Printer in Windows 7, 8, or 10

inp_top_1

Over the years, Windows has gotten much better about how it handles networked printers. But if you want to share a printer over the network, you may still need to do a little legwork to get it all up and running. 
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How to Setup Fingerprint Scanner on the Galaxy Note 7

Samsung Galaxy Note 7

One of the easier and more common way to secure your device is to use the fingerprint scanner. For the Galaxy Note 7 there is the new and more secure iris scanner, but in the event you are wearing sunglasses to sneakily check out girls during summer, you might want the fingerprint scanner to be your back-up solution to unlocking the device.
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How To Move the Data Directory for ownCloud on Ubuntu 16.04

ownCloud is a capable solution for storing your digital life on a private server. By default, data is saved on the same partition as the operating system, which may lead to a lack of free disk space. For instance, with high-resolution pictures and high-definition videos continuously being backed up, it is easy to run out of space. As your storage needs grow, it may become necessary to move ownCloud's data directory. Whether you are adding more space or just looking to change the default storage location, this tutorial will guide you through relocating ownCloud’s data directory.
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How to Use Secure Folder Protection on the Galaxy Note 7

IMG_3337-min

Samsung KNOX is the proprietary security software bundled with the Galaxy Note 7. Named after Fort Knox, it is supposed to be just as secure when it comes to storing your information. Setting up KNOX for the Secure Folder for the Note 7 is a very simple process.
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How to Install Spacewalk on Oracle Linux

Spacewalk is an open source Linux systems management solution. Spacewalk manages software content updates for Red Hat derived distributions such as Fedora, CentOS, and Scientific Linux, within your firewall. You can stage software content through different environments, managing the deployment of updates to systems and allowing you to view at which update level any given system is at across your deployment. A central web interface allows viewing of systems, their associated software update status, and initiating update actions.
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How to Install OxygenOS 3.5 on OnePlus 3

OnePlus 3 front

Late last week, OnePlus released the community build of OxygenOS 3.5 for the OnePlus 3. The latest build of OxygenOS comes with slight interface tweaks, new system apps, and improved camera software. However, being a community build, the update has not been rolled out to all OnePlus 3 owners out there. This is because OnePlus is still testing the build and squashing the remaining bugs.
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How to enable Night Mode in Android 7.0 Nougat on a Nexus Device

During the Android 7.0 Nougat Developer Preview, Google experimented with a system-wide Night Mode that offered a number of improvements to compatible Nexus phones to allow them to work better at night and in other low-light situations. Unfortunately for tinkerers (but completely understandable for a variety of reasons), that mode was hidden in the run-up to Nougat's release — but with a little help you can get at least some of those features back.
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How to Flash Android 7.0 Nougat Factory Image on Your Nexus 6P, Nexus 5X, Nexus 6, and Nexus 9

android nougat

Google has just released the final version of Android 7.0 Nougat. The latest version of Android comes with many new features including multi-window support, a redesigned notification panel, built-in data saver, and more.
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Stop WhatsApp From Sharing Your Phone Number With Facebook

whatsapp android featured

Earlier today, WhatsApp announced a major change in its privacy policy that has not gone down well with many people. The updated privacy policy and terms of the company say that it will share your number with Facebook’s system to better track metrics like the number of unique users and show you more relevant ads.
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Veeam Direct Restore to Microsoft Azure

Using Advanced Mode

Veeam Direct Restore to Microsoft Azure is a free solution that provides an easy and efficient way to restore machines to Microsoft Azure from Veeam backups. Microsoft Azure Marketplace customers can instantly provision the Veeam Direct Restore to Microsoft Azure appliance, move backup archives to it and start restoring machines to Microsoft Azure.
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How To Set Up vsftp for Anonymous Downloads on Ubuntu 16.04

FTP, short for File Transfer Protocol, is a network protocol that was once widely used for moving files between a client and server. It has since been replaced by faster, more secure, and more convenient ways of delivering files. Many casual Internet users expect to download directly from their web browser with https and command-line users are more likely to use secure protocols such as the scp or sFTP.
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How To Configure Periodic TRIM for SSD Storage on Linux Servers

Due to the architecture of SSDs, or solid state drives, continuous use results in degraded performance if not accounted for and mitigated. The TRIM command is an operation that allows the operating system to propagate information down to the SSD about which blocks of data are no longer in use. This allows the SSD's internal systems to better manage wear leveling and prepare the device for future writes. TRIM can have a major impact on the device's performance over time and its overall longevity.
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Installing and Configuring Zabbix Server on CentOS 7


This guide will walk you through the steps to install and configure Zabbix 4.4.4 on a CentOS 7 server. These instruction can also be applied if you are running an RHEL 7 server.

Prerequisites

You will need one CentOS/RHEL 7 (physical or virtual) machine with minimal installed having sudo non-root user privileges.

Disabling SELinux

You should change from SELINUX=enforcing to SELINUX=disabled in /etc/selinux/config file for smooth installation of the packages:
sudo vi /etc/selinux/config
SELINUX=disabled
Save and close.

Now reboot your CentOS/RHEL machine to take changes into effect:
sudo reboot

Adding EPEL Repository

It is always recommended to add extra packages for enterprise Linux repository before installing packages on your CentOS or RHEL:
sudo yum -y install https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm

Adding Zabbix Repository

Zabbix isn't available in yum package manager by default, so you will need to install Zabbix official repository on your CentOS or RHEL 7:
sudo yum -y install http://repo.zabbix.com/zabbix/4.4/rhel/7/x86_64/zabbix-release-4.4-1.el7.noarch.rpm

Installing Apache

You can install the latest version of Apache by typing the following command:
sudo yum -y install httpd httpd-devel

Installing MariaDB

MySQL is now replaced with MariaDB on CentOS 7, so you will need to install MariaDB database using the following command:
sudo yum -y install mariadb-server mysql

Starting Services

Now start Apache and MariaDB service and make them persistent even when system reboots:
sudo systemctl start httpd
sudo systemctl start mariadb

sudo systemctl enable httpd
sudo systemctl enable mariadb

Securing MariaDB

By default MariaDB database is not secure and anyone can intrude into your database, so make it secure by executing the following script and follow the instruction:
sudo mysql_secure_installation
Response to the following prompts on your CentOS server:
NOTE: RUNNING ALL PARTS OF THIS SCRIPT IS RECOMMENDED FOR ALL MariaDB
      SERVERS IN PRODUCTION USE!  PLEASE READ EACH STEP CAREFULLY!

In order to log into MariaDB to secure it, we'll need the current
password for the root user.  If you've just installed MariaDB, and
you haven't set the root password yet, the password will be blank,
so you should just press enter here.

Enter current password for root (enter for none):
OK, successfully used password, moving on...

Setting the root password ensures that nobody can log into the MariaDB
root user without the proper authorisation.

Set root password? [Y/n] y
New password:
Re-enter new password:
Password updated successfully!
Reloading privilege tables..
 ... Success!


By default, a MariaDB installation has an anonymous user, allowing anyone
to log into MariaDB without having to have a user account created for
them.  This is intended only for testing, and to make the installation
go a bit smoother.  You should remove them before moving into a
production environment.

Remove anonymous users? [Y/n] y
 ... Success!

Normally, root should only be allowed to connect from 'localhost'.  This
ensures that someone cannot guess at the root password from the network.

Disallow root login remotely? [Y/n] y
 ... Success!

By default, MariaDB comes with a database named 'test' that anyone can
access.  This is also intended only for testing, and should be removed
before moving into a production environment.

Remove test database and access to it? [Y/n] y
 - Dropping test database...
 ... Success!
 - Removing privileges on test database...
 ... Success!

Reloading the privilege tables will ensure that all changes made so far
will take effect immediately.

Reload privilege tables now? [Y/n] y
 ... Success!

Cleaning up...

All done!  If you've completed all of the above steps, your MariaDB
installation should now be secure.

Thanks for using MariaDB!

Installing Zabbix

Now you can install the Zabbix server and web frontend with its database using the following command:
sudo yum -y install zabbix-server-mysql zabbix-web-mysql
You will also need to install Zabbix agent to collect data about the Zabbix server itself:
sudo yum -y install zabbix-agent

Creating Database

At this stage you will need to create a user and a database for Zabbix like below:
sudo mysql -u root -p
Type the following on mysql prompt:
create database zabbix character set utf8;
create user 'zabbix'@'localhost' identified by 'zabbixpass';
grant all privileges on zabbix.* to 'zabbix'@'localhost';
flush privileges;
quit;

Importing Zabbix Database Schema

Find out the Zabbix database schema file and then import it into your newly created database:
sudo find / -name create.sql.gz
Now import this schema file into database like below:
sudo zcat /usr/share/doc/zabbix-server-mysql-4.4.4/create.sql.gz | mysql -u zabbix -p zabbix

Database Credential Settings:

Now edit the /etc/zabbix/zabbix_server.conf file, uncomment by removing # and update the DBPassword= parameter with your zabbix database user password:
sudo vi /etc/zabbix/zabbix_server.conf
### Option: DBPassword
#       Database password.
#       Comment this line if no password is used.
#
# Mandatory: no
# Default:
DBPassword=zabbixpass
Save and close.

Configuring PHP

The Zabbix installation process created an PHP configuration file that contains PHP settings. It is located in the directory /etc/httpd/conf.d/. You just need to uncomment date.timezone parameter and update it with your timezone. You can check supported time zones on http://php.net/manual/en/timezones.php to find the right one for you.

sudo vi /etc/httpd/conf.d/zabbix.conf
php_value date.timezone Asia/Karachi
Save and close.

Now restart Apache service to take changes into effect.
sudo systemctl restart httpd

Starting Zabbix Service

Its time to start Zabbix server and make it persistent even when system reboots:
sudo systemctl start zabbix-server
sudo systemctl enable zabbix-server

sudo systemctl start zabbix-agent
sudo systemctl enable zabbix-agent
Check the Zabbix server status before proceeding to next step:
sudo systemctl status zabbix-server
If the zabbix service is failed to start, reboot your CentOS 7 machine.
sudo reboot
Once rebooted, check zabbix server status again
sudo systemctl status zabbix-server
The Zabbix server status shows up and running, so lets proceed to next step.
zabbix-server.service - Zabbix Server
   Loaded: loaded (/usr/lib/systemd/system/zabbix-server.service; disabled; vendor preset: disabled)
   Active: active (running) since Wed 2019-12-30 03:51:36 PKT; 4s ago
  Process: 15167 ExecStart=/usr/sbin/zabbix_server -c $CONFFILE (code=exited, status=0/SUCCESS)
 Main PID: 15169 (zabbix_server)
    Tasks: 38 (limit: 11513)
   Memory: 38.1M
   CGroup: /system.slice/zabbix-server.service

Adding Firewall Rules

sudo firewall-cmd --permanent --zone=public --add-service=http
sudo firewall-cmd --reload

Configuring Zabbix

The Zabbix web interface lets us see reports and add network devices that you wish to monitor, but it needs some initial setup before we can use it. Open up your web browser and navigate to http://your_server_name_or_ip/zabbix

The first screen like below will greet you a welcome message.

Click Next step to continue.



This page will show you the table that lists all of the prerequisites to run Zabbix. If anything missing make sure to fix it first then proceed to Next.

Provide zabbix database user password and proceed to next.


Keep it default and proceed next.


This is the summary screen, verify and proceed next.


This screen confirms that you have successfully installed Zabbix.

Click Finish


Zabbix frontend is ready! The default user name is Admin, password zabbix.


Once logged in, you will see below dashboard screen and from here you can administer and manage your Zabbix server.







Installing Zabbix Agent

In this step we will show you how to install and configure Zabbix agent 4.4.4 on a CentOS, RHEL, Ubuntu and Windows machine.

For CentOS/RHEL 7

dnf -y install http://repo.zabbix.com/zabbix/4.4/rhel/7/x86_64/zabbix-release-4.4-1.el7.noarch.rpm
dnf -y install zabbix-agent
Now edit /etc/zabbix/zabbix_agentd.conf file and update the Server= parameter with your zabbix server IP
vi /etc/zabbix/zabbix_agentd.conf
### Option: Server
#       List of comma delimited IP addresses, optionally in CIDR notation, or DNS names of Zabbix servers and Zabbix proxies.
#       Incoming connections will be accepted only from the hosts listed here.
#       If IPv6 support is enabled then '127.0.0.1', '::127.0.0.1', '::ffff:127.0.0.1' are treated equally
#       and '::/0' will allow any IPv4 or IPv6 address.
#       '0.0.0.0/0' can be used to allow any IPv4 address.
#       Example: Server=127.0.0.1,192.168.1.0/24,::1,2001:db8::/32,zabbix.example.com
#
# Mandatory: yes, if StartAgents is not explicitly set to 0
# Default:
# Server=

Server=Your_Zabbix_Server_IP
Save and close.
systemctl restart zabbix-agent

For CentOS/RHEL 8

dnf -y install http://repo.zabbix.com/zabbix/4.4/rhel/8/x86_64/zabbix-release-4.4-1.el8.noarch.rpm
dnf -y install zabbix-agent
Now edit /etc/zabbix/zabbix_agentd.conf file and update the Server= parameter with your zabbix server IP
vi /etc/zabbix/zabbix_agentd.conf
### Option: Server
#       List of comma delimited IP addresses, optionally in CIDR notation, or DNS names of Zabbix servers and Zabbix proxies.
#       Incoming connections will be accepted only from the hosts listed here.
#       If IPv6 support is enabled then '127.0.0.1', '::127.0.0.1', '::ffff:127.0.0.1' are treated equally
#       and '::/0' will allow any IPv4 or IPv6 address.
#       '0.0.0.0/0' can be used to allow any IPv4 address.
#       Example: Server=127.0.0.1,192.168.1.0/24,::1,2001:db8::/32,zabbix.example.com
#
# Mandatory: yes, if StartAgents is not explicitly set to 0
# Default:
# Server=

Server=Your_Zabbix_Server_IP
Save and close.
systemctl restart zabbix-agent

For Ubuntu 16

sudo dpkg -i http://repo.zabbix.com/zabbix/4.4/ubuntu/pool/main/z/zabbix-release/zabbix-release_4.4-1%2Bxenial_all.deb
sudo apt-get install zabbix-agent
Now edit /etc/zabbix/zabbix_agentd.conf file and update the Server= parameter with your zabbix server IP
sudo nano /etc/zabbix/zabbix_agentd.conf
### Option: Server
#       List of comma delimited IP addresses, optionally in CIDR notation, or DNS names of Zabbix servers and Zabbix proxies.
#       Incoming connections will be accepted only from the hosts listed here.
#       If IPv6 support is enabled then '127.0.0.1', '::127.0.0.1', '::ffff:127.0.0.1' are treated equally
#       and '::/0' will allow any IPv4 or IPv6 address.
#       '0.0.0.0/0' can be used to allow any IPv4 address.
#       Example: Server=127.0.0.1,192.168.1.0/24,::1,2001:db8::/32,zabbix.example.com
#
# Mandatory: yes, if StartAgents is not explicitly set to 0
# Default:
# Server=

Server=Your_Zabbix_Server_IP
Save and close.
sudo service zabbix-agent restart

For Ubuntu 18/19

sudo dpkg -i http://repo.zabbix.com/zabbix/4.4/ubuntu/pool/main/z/zabbix-release/zabbix-release_4.4-1%2Bbionic_all.deb
sudo apt-get install zabbix-agent
Now edit /etc/zabbix/zabbix_agentd.conf file and update the Server= parameter with your zabbix server IP
sudo nano /etc/zabbix/zabbix_agentd.conf
### Option: Server
#       List of comma delimited IP addresses, optionally in CIDR notation, or DNS names of Zabbix servers and Zabbix proxies.
#       Incoming connections will be accepted only from the hosts listed here.
#       If IPv6 support is enabled then '127.0.0.1', '::127.0.0.1', '::ffff:127.0.0.1' are treated equally
#       and '::/0' will allow any IPv4 or IPv6 address.
#       '0.0.0.0/0' can be used to allow any IPv4 address.
#       Example: Server=127.0.0.1,192.168.1.0/24,::1,2001:db8::/32,zabbix.example.com
#
# Mandatory: yes, if StartAgents is not explicitly set to 0
# Default:
# Server=

Server=Your_Zabbix_Server_IP
Save and close.
sudo systemctl restart zabbix-agent

For Windows

Zabbix Windows agent can be installed from Windows MSI installer packages (32-bit or 64-bit) available for download:

To install, double-click the downloaded MSI file.


Click Next


Accept the licence to proceed to the next step.


Specify the following parameters and click next.


Click next


Click install


Click finish


Zabbix components along with the configuration file is now installed in a Zabbix Agent folder in Program Files. zabbix_agentd.exe will be set up as Windows service with automatic startup.

Adding Devices to Zabbix Server

When you are done installing Zabbix agent on your Linux or Windows machines, go back to your Zabbix server web interface and start creating devices to monitor them.

Navigate to Configuration tab


Click Hosts then click Create host


This is our Windows 10 zabbix agent machine. Specify the following parameters according to yours and click Add


Click Templates and add the templates according to your need.


When done adding hosts, navigate back to Dashboard and there you can see number of hosts you have added in zabbix server to monitor.

Navigate to Graphs, select your host and graph from the drop down list and see if your host monitoring data is being collected like below.


This is how you can add and monitor your Windows and Linux machines in zabbix server. For the devices like switches, routers, firewall etc, of course you can not install zabbix agent, but you can add and monitor them in zabbix server via SNMP and IPMI interface.

Wrapping up

In this tutorial, you set up a simple and secure solution which will help you monitor your servers. It can now warn you of problems, and you have the opportunity to plot some graphs based on the obtained data so you can analyze it and plan accordingly.

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Veeam Backup & Replication 9.0 User Guide for Microsoft Hyper-V


Veeam Backup & Replication provides a set of features for building and maintaining a flexible backup infrastructure, performing data protection tasks (such as VM backup, replication, copying backup files), and carrying out disaster recovery procedures. This article contains a high-level step by step guide of Veeam Backup & Replication, its architecture, features, data protection and disaster recovery concepts necessary to understand Veeam Backup & Replication background operations and processes.
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How to Fix Wi-Fi Problems on Galaxy S7?

The Samsung Galaxy S7 might be one of the best phones of the year, but it sometimes it suffers from Wi-Fi problems that mess with your experience. If your Galaxy S7 is suffering from some Wi-Fi woes, here are a few things you can try to get reconnected.
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How to get Android 7.0 Nougat on your Nexus Phone right now?

Android 7.0 Nougat is officially available for the Nexus 6, Nexus 5X, Nexus 6P, Nexus 9, Nexus Player and Pixel C (and the General Mobile 4G Android One), but your phone may not get the OTA (over-the-air) update for another couple of weeks. If you don't have a Nexus, you can get a feel for when (or if) your phone will get Nougat based on our expectations.
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How to prevent Windows 10 Insider builds from accidentally installing on your PC


When your PC is ready to install a Windows 10 Insider Preview that you don't want, use this trick to cancel the installation. In this Windows 10 guide, we'll walk you through the steps to cancel an installation of a new Windows 10 Insider preview build after it downloaded to your computer.
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The Best New Features in Latest Android 7.0 Nougat

latest-pokemon-go-update-brings-android-7-0-nougat-support-506277-2

Android 7.0 Nougat is finally here, and Nexus users will start getting the updates very soon. Here are the coolest features in the latest version of Android.

Right now, the update should be rolling out to the Nexus 6, Nexus 5X, Nexus 6P, and Nexus 9, as well as the Nexus Player, Pixel C and General Mobile 4G. We’ve been using the preview since it first came out, and we’ll be discussing how to use some of its best features in greater detail soon, but for now, here’s a taste of the best things in Android 7.0.
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How to Use Your Free Windows 10 License After Changing Your PC’s Hardware



The free Windows 10 license you receive is tied to your PC’s hardware. You’re still allowed to use Windows 10 on that same PC even after changing its hardware. Activating that license is easier than ever in Windows 10’s Anniversary Update.
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How to Add New Cortana Search File Locations on Windows 10


If some files are not showing up on search results, it's probably because Cortana doesn't know where to look. Here's how to add alternative search locations on Windows 10. In this Windows 10 guide, we'll walk you through the steps to enable Cortana to search all your drives connected to your computer, and how to remove those locations you want to prevent from indexing.
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How To Configure a Galera Cluster with MariaDB 10.1 on Ubuntu 16.04 Servers

Clustering adds high availability to your database by distributing changes to different servers, potentially in different data centers. In the event that one of the instances fails, others are quickly available to continue serving.
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Python 2 vs Python 3: Practical Considerations

Python is an extremely readable and versatile programming language. With a name inspired by the British comedy group Monty Python, it was an important foundational goal of the Python development team to make the language fun to use. Easy to set up, and written in a relatively straightforward style with immediate feedback on errors, Python is a great choice for beginners.
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How to Install Microsoft PowerShell on Linux or Mac OS X


PowerShell is now open source, and available for Linux and Mac. You can download official packages from Microsoft for the 64-bit versions of Ubuntu 16.04, Ubuntu 14.04, CentOS 7, Red Hat Enterprise Linux 7, and Mac OS X 10.11.
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Monitoring NSX with vRealize Operations Manager

The existence of VMware vRealize Operations Management Pack for NSX is a known fact. Until a couple of weeks ago, I hadn’t seen a demo of the integration between these two products, and my assumption was that there are “some stats” that can be analyzed in the vRealize Operations Management Pack GUI.
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What Are The Remote Domains in Exchange 2013 And How They Are Used

In the world of Microsoft Exchange, there are two types of domains that the administrator must understand and configure accordingly: accepted domains and remote domains. Accepted domains are SMTP namespaces for which Exchange is allowed to send or receive email. In the case of receiving email, accepted domains also include those SMTP namespaces for which Exchange will receive a message yet continue to send it onwards to other external email systems. Remote domains are simply those SMTP namespaces that are external to Exchange.
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Configuring ESXi Firewall


All ESXi hosts have an inbuilt firewall sitting between the management interface and the rest of the network. Enabled by default, the ESXi firewall is configured to drop all ingress and egress traffic but for a specific set of services, a subset of which is given in Figure 1 below.
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Secure vCenter Using Roles, Privileges and Permissions

 

One reads about security breaches and hacks on a daily basis so it probably does not come as a surprise to learn that VMware products are just as prone to being comprised as any other product out there. 

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Upgrading vCenter Appliance to 6.0 Update 2


vCSA 6.0 Update 2 is now available, making this post on how to upgrade to this latest release pretty much obligatory. I also briefly touch on how to upgrade – more of a migration really – vCSA 5.x installations.
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Installing Solaris 11 x86 Step by Step

http://techsupportpk.blogspot.com/2013/06/step-by-step-installation-of-solaris-11.html

Oracle Solaris 11 can be installed in a number of different ways - from a hands free server based automated installation to a text or graphical installation (Live Media). Installation is easy and fast, and can be customized with additional software using the Oracle Solaris 11 network based package management system.
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How to Set Up WDS in Windows Server 2016


This article will guide you through the steps to install and configure Windows Deployment Services on Windows Server 2016. Windows Deployment Services is a service role that allows you to deploy Windows operating systems to the PXE supported clients. You can install Windows operating systems on the PXE-enabled clients without the need of physical media. Further, it allows you to deploy Windows operating systems on multiple clients simultaneously. Thus, reducing the overall installation time. In this post, we will explain how to install and configure WDS in Windows Server 2016.
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Migrating SQL Server Database to Oracle Database 11g


In this article I will show you the steps to migrate a Microsoft SQL Server database to Oracle Database 11g using Oracle SQL Developer.
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Configuring Data Guard Physical-Standby for Database 12c


Data Guard is the name for Oracle's standby database solution, used for disaster recovery and high availability. This guide will walk you through the steps for configuration and administration of Data Guard using the Data Guard Broker.
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Upgrading XenDesktop 7

Image

This guide will walk you through the steps upgrading a XenDesktop 7.x infrastructure to the latest release.
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Video Tutorials