How to create windows failover cluster with two nodes and iSCSI

windows cluster prerequisites :

• Multiple NIC cards – it will avoid single point of failover
• Storage – must use shared storage “Shared storage like DAS, NAS or SAN, you can use iSCSI for this as well”
• DNS – domain name must be configured
• All servers in the cluster must be in the same Active Directory domain
• member server or domain controller but recommend that your clustered servers be a member servers.
• Logged on with Domain user and must be permissions to Create Computer Objects and Read All Properties.

OR you can refer for more hardware and software prerequisites on below Microsoft site:

https://technet.microsoft.com/en-us/library/cc771404.aspx

Click on below Video to know the step by step process to create windows cluster with two nodes and also file server clustering for best learning purpose.

in this video we have create a iSCSI target disk server and two cluster nodes

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Active Directory Installation and configuration Video on windows server 2008R2

Active Directory Installation Video

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Computer freezing issue

Computer freezing issue :

Warning sign:
Keyboard Mouse locked after screen saver.
Machine hang and not responding on screen saver.

Resolution:

Option 1:
 Turn off Power option (sleep/Hibernate option) from control panel as well as configuration option from NIC card

Option 2:
Reinstall “ATI Catalyst cards software” with latest updated drivers if available. (Latest AMD Catalyst™ Driver version is 14.4 and above)

Option 3:
Open System configuration using (Run > command prompt > msconfig)
Click on “Boot” Tab then “Advanced Options” in boot Advanced Options check mark on “Number of processors & Maximum Memory”  (Do Not change the default Parameters in the same)

Option 4:
Capture System behavior using below command and find probable cause
Open command prompt using “Run As administrator” back to the “C” drive using “cd\”
Enter the command “powercfg /energy” without quotes and then Enter to start capturing the system behavior for 60 sec.
Once the capturing done, the energy-report.html will create on their default path “C:\energy-report.html"




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Application and knowledge base Questions and Answers

Questions	Answers
Unable to access share folders on local computer, Error code: 0x80004005 (Unspecified error)	Click HERE For Answers
Openssh installation steps for Ubuntu	Click HERE For Answers
nginx web server in Ubuntu	Click HERE For Answers
Procedure to install windows 7 or 8 on a Mac via bootcamp using a CD or USB	Click HERE For Answers
Set up a VPN Connection on Mac Machine	Click HERE For Answers
How to access shared folders on Mac Machine	Click HERE For Answers
How to change SID on Windows using sysprep	Click HERE For Answers
How to Turn ON or OFF Firewall Settings in Mac Machine	Click HERE For Answers
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How to Restore Windows boot loader After Deleting Linux Operating system - GRUB Error	Click HERE For Answers
SQL Server : database connection issue locally and over the networks	Click HERE For Answers
How to capture WDS custom Image on PXE boot using Imagex	Click HERE For Answers
How to Restore Mozilla Firefox bookmarks from the old user profile in windows	Click HERE For Answers
Administrator Account disabled after Sysprep the windows machine	Click HERE For Answers
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Physical or Wireless Network connection Problem After sleep mode Or Hibernate the Machine	Click HERE For Answers
Oracle client error TNS-12541: TNS:no listener Error	Click HERE For Answers
Procedure to install and uninstall .RPM & .DEB packages in Linux	Click HERE For Answers
Karma installation with Node.js on windows operating system	Click HERE For Answers
Basic Linux Commands	Click HERE For Answers
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Unable to access share folders on local computer, Error code: 0x80004005 (Unspecified error)

Issue : Users cannot access share folders on the local system using UNC Path, Ex. \\Computer Name or IP Address, error code 0x80004005

Ex. as below : Error code: 0x80004005 (Unspecified error)

1) \\127.0.0.1 - Not able to access

2) \\localhost - Not able to access

3) \\sharefolders - Not able to access

Solution :

Make sure all below services are running.. 

• Server
• SSDP Discovery
• TCP/IP Netbios helper
• Computer Browser
• DHCP & Client
• DNS Client
• Function Discovery Resource Publication
• UPnP Device Host
• Workstation

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openssh installation steps for ubuntu

Follow below steps to install openssh-server and openssh-client on Ubuntu operating system.

1)  Steps for Ubuntu 10.04 :

Click HERE to download openssh-client and openssh-server for Ubuntu 10.04 ( x32Bit & 64Bit )
Click HERE to download Dependency software

• Download x64Bit - openssh-server
• Download x32Bit - openssh-server
• Download x64Bit - openssh-client
• Download x32Bit - openssh-client

2)  Steps for Ubuntu 12.04 :

Click HERE to download openssh-client and openssh-server for Ubuntu 12.04 ( x32Bit & 64Bit )
Click HERE to download Dependency software

• Download x64Bit - openssh-server
• Download x32Bit - openssh-server
• Download x64Bit - openssh-client
• Download x32Bit - openssh-client

3)  Steps for Ubuntu 13.04 :

Click HERE to download openssh-client and openssh-server for Ubuntu 13.04 ( x32Bit & 64Bit )
Click HERE to download Dependency software

• Download x64Bit - openssh-server
• Download x32Bit - openssh-server
• Download x64Bit - openssh-client
• Download x32Bit - openssh-client

4) Steps for Ubuntu 13.10 :

Click HERE to download openssh-client and openssh-server for Ubuntu 13.10 ( x32Bit & 64Bit )
Click HERE to download Dependency software

• Download x64Bit - openssh-server
• Download x32Bit - openssh-server
• Download x64Bit - openssh-client
• Download x32Bit - openssh-client

5) Steps for Ubuntu 14.04 :

Click HERE to download openssh-client and openssh-server for Ubuntu 14.04 ( x32Bit & 64Bit )
Click HERE to download Dependency software

• Download x64Bit - openssh-server
• Download x32Bit - openssh-server
• Download x64Bit - openssh-client
• Download x32Bit - openssh-client

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nginx web server in Ubuntu

Follow below steps to install nginx web server in Ubuntu :

Note : Machine Need to Full/Network Bypass if the Web-sense or proxy is used in organization, because "nginx" need many dependency packages which is available only on internet.

Open Terminal > and get the updates first using below command

Apt-get update

Once update complete kindly Enter below command to install "nginx"

sudo apt-get Install nginx

When Prompted then say Yes to complete the installation

Now Start the Service using below command :

sudo service nginx start

___________________________________________________

Note : Getting an error as below while starting the nginx service

Error : nginx - nginx: [emerg] bind() to [::]:80 failed (98: Address already in use) [closed]

 

Procedure to resolve this issue :

Find out the running port using below command
netstat -an | grep 80

Looks like you already have a webserver running. and port 80 is already in use
( Run this command to see which application is use port 80 )

sudo fuser -v 80/tcp

And if you find the Apache or any other web server is installed then kindly stop the service using below command :

E.g. - Apache is installed and it is using port 80 then run below command to stop the same

service apache2 stop

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There is already an instance running
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