Windows Tips

1. WINS is platform dependent, whereas DNS is platform independent. 2. WINS supports dynamic IP addresses, whereas DNS supports static IP addresses. 3. WINS translates the NetBIOS names to IP addresses, while DNS translates host names to IP addresses. 4. WINS supports incremental reproduction of the data for any modifications, while DNS copies the entire database. 5. WINS does not support TCP/IP application services, whereas, DNS supports all TCP/IP application services. Source:   Difference Between WINS and DNS | Difference Between | WINS vs DNS   http://www.differencebetween.net/technology/internet/difference-between-wins-and-dns/#ixzz38SUVnnEi

Sharing a folder or file creates a Windows Firewall exception for File and Printer Sharing. The exception opens the ports listed in the following table. TCP ports: 139,445 UDP ports:137,138

The AWS Certified Solutions Architect – Associate Level exam is intended for individuals with experience designing distributed applications and systems on the AWS platform. I am listing many sample certification questions and answers while will help to face the certification successfully Keep in mind that the answers for each question might change due to the advancement of AWS and please try to find the answer in more logical manner Answers are below of the page Sample Questions for Amazon Web Services Associate Solutions Architect Certification What does Amazon S3 stand for? A Simple Storage Solution. B Storage Storage Storage (triple redundancy Storage). C Storage Server Solution. D Simple Storage Service. You must assign each server to at least _____ security group A 3 B 2 C 4 D 1 - Before I delete an EBS volume, what can I do if I want to recreate the volume later? A Create a copy of the EBS volume (not a snapshot) B Store a snapshot of the volume C Downlo...

1. Endian Community Firewall -  http://www.endian.com/en/community/overview/ 2. pfSense -  https://www.pfsense.org 3. IPCop -  http://www.ipcop.org/ 4. Zentyal -  http://www.zentyal.org 5. IPFire -  http://www.ipfire.org

CentOS: Logon to server via putty Type      vi /etc/hosts       Enter Press     I Rename machine and Press escape press Shift colon Type    wq!       Enter Type   vi /etc/sysconfig/network    enter Press i Rename machine and Press escape press Shift colon Type   wq!       Enter service network restart chkconfig network on If you want to reboot the server type    init  6   *****************************   Ubuntu: sudo vim /etc/hostname Press     I Rename machine and Press escape press Shift colon Type   wq!       Enter Sudo reboot ********************************************  

$RebootList = Get-Content RebootServers.txt foreach( $Rsrv in $RebootList ) { Write-host “Issuing remote reboot command to $Rsrv” # Command to force reboot the remote server (gwmi Win32_OperatingSystem -ComputerName $Rsrv).Win32Shutdown (6) } That’s all. You can replace the  (6)  with any of the following: 0 = Log off 1 = Shutdown 2 = Reboot 8 = Power off 4 = Forced log off 5 = Forced shutdown 6 = Forced reboot 12 = Forced power off *******************************************   Note: 1. Create a text file – in this case RebootServers.txt 2. Populate RebootServers.txt with the names of the servers you want to reboot. One server name per line. Make sure there are no blank lines after the last server name. 3. Save the RebootServers.txt file in the same directory as the PS1 script (like the one you created – RemoteShutDown.ps1) 4. Run the script to reboot servers.

netstat -e

Ensure the correct link speed is set for the  NIC  in Windows Server and the corresponding speed is set on the network switch.      1. Open the  Network Connections Control Panel  tool by pressing the Windows Logo+R, type  ncpa.cpl  and press  Enter .                2. Richt-click on the  NIC  and click  Status  to determine if the link speed is correct.             3.  Right-click on the  NIC  and click  Properties  if the link speed is incorrect.             4. Click  Configure...  to the right of the  NIC  name.           5. Click on the  Advanced  tab. ..            6. Click on  Speed &...

1. Configure a security policy The first step in securing the 2008 server is to configure a security policy. In order to configure a security policy, you will need to use the SCW ( Security Configuration Wizard ), which can be installed through “add and remove windows components”.  The SCW detects ports and services, and configures registry and audit settings according to the servers “role” or installed applications. The SCW uses a set of XML templates which can easily be deployed and managed.  The version of SCW in Windows Server2008 includes over 200server role configurations and security settings than the version of SCW in Windows Server2003. Also, by using the version of SCW in Windows Server2008, you can: * Disable unneeded services based on the server role. * Remove unused firewall rules and constrain existing firewall rules. * Define restricted audit policies. >> The server’s operating system will be changed according to the pro...