Virtualisation: Technologies

Cloudstack takes virtualisation to the next level.

• Its open source
• It supports Xen Server, Xen Server Cloud, VMWare, KVM and OracleV

http://cloudstack.com/

Good tools to keep your pc clean

Good tools to keep your pc clean

CCleaner 

Defraggler 

http://www.piriform.com/

Important Security Bulletins

It is essential to follow and act on the latest security trends and apply the recommended patches to systems.
In the ideal world it is best to prevent than react. If you have the systems in place you will be able to put the emphasis into prevention.
Here are some sites that should be followed.
http://secunia.com/advisories/
http://technet.microsoft.com/en-us/security/advisory
http://technet.microsoft.com/en-us/sec
http://www.livehacking.com

How to find mac address - Apple Mac

Click the Apple menu at the top left of the screen

Click 'About This Mac'

Click the 'More Info...' button

Click the 'Network' option;

Look under the 'Ethernet' section, you will see the system's MAC address list

How to determine MTU

cmd, netsh interface ipv4 show subinterfaces

This will show the MTU used for your interfaces

Outlook:2010: How to auto add public holidays

This is the process to follow if you want to automatically add public holidays to Outlook 2010.

File > Options > calendar > click the button ‘Add Holidays’ > Choose the country < click

SMTP: Relay Server Codes

Code Meaning
200 (nonstandard success response, see rfc876)
211 System status, or system help reply
214 Help message
220 Service ready
221 Service closing transmission channel
250 Requested mail action okay, completed
251 User not local; will forward to
354 Start mail input; end with .
421 Service not available, closing transmission channel
450 Requested mail action not taken: mailbox unavailable
451 Requested action aborted: local error in processing
452 Requested action not taken: insufficient system storage
500 Syntax error, command unrecognised
501 Syntax error in parameters or arguments
502 Command not implemented
503 Bad sequence of commands
504 Command parameter not implemented
521 does not accept mail (see rfc1846)
530 Access denied (???a Sendmailism)
550 Requested action not taken: mailbox unavailable
551 User not local; please try
552 Requested mail action aborted: exceeded storage allocation
553 Requested action not taken: mailbox name not allowed
554 Transaction failed
Reply codes grouped by command
Command Code Description
connect
220 Service ready
421 Service not available, closing transmission channel
HELO
250 Requested mail action okay, completed
500 Syntax error, command unrecognised
501 Syntax error in parameters or arguments
504 Command parameter not implemented
521 does not accept mail [rfc1846]
421 Service not available, closing transmission channel
EHLO
250 Requested mail action okay, completed
550 Not implemented
500 Syntax error, command unrecognised
501 Syntax error in parameters or arguments
504 Command parameter not implemented
421 Service not available, closing transmission channel
MAIL
250 Requested mail action okay, completed
552 Requested mail action aborted: exceeded storage allocation
451 Requested action aborted: local error in processing
452 Requested action not taken: insufficient system storage
500 Syntax error, command unrecognised
501 Syntax error in parameters or arguments
421 Service not available, closing transmission channel
RCPT
250 Requested mail action okay, completed
251 User not local; will forward to
550 Requested action not taken: mailbox unavailable
551 User not local; please try
552 Requested mail action aborted: exceeded storage allocation
553 Requested action not taken: mailbox name not allowed
450 Requested mail action not taken: mailbox unavailable
451 Requested action aborted: local error in processing
452 Requested action not taken: insufficient system storage
500 Syntax error, command unrecognised
501 Syntax error in parameters or arguments
503 Bad sequence of commands
521 does not accept mail [rfc1846]
421 Service not available, closing transmission channel
DATA
354 Start mail input; end with .
451 Requested action aborted: local error in processing
554 Transaction failed
500 Syntax error, command unrecognised
501 Syntax error in parameters or arguments
503 Bad sequence of commands
421 Service not available, closing transmission channel
received data
250 Requested mail action okay, completed
552 Requested mail action aborted: exceeded storage allocation
554 Transaction failed
451 Requested action aborted: local error in processing
452 Requested action not taken: insufficient system storage
RSET
200 (nonstandard success response, see rfc876)
250 Requested mail action okay, completed
500 Syntax error, command unrecognised
501 Syntax error in parameters or arguments
504 Command parameter not implemented
421 Service not available, closing transmission channel
SEND
250 Requested mail action okay, completed
552 Requested mail action aborted: exceeded storage allocation
451 Requested action aborted: local error in processing
452 Requested action not taken: insufficient system storage
500 Syntax error, command unrecognised
501 Syntax error in parameters or arguments
502 Command not implemented
421 Service not available, closing transmission channel
SOML
250 Requested mail action okay, completed
552 Requested mail action aborted: exceeded storage allocation
451 Requested action aborted: local error in processing
452 Requested action not taken: insufficient system storage
500 Syntax error, command unrecognised
501 Syntax error in parameters or arguments
502 Command not implemented
421 Service not available, closing transmission channel
SAML
250 Requested mail action okay, completed
552 Requested mail action aborted: exceeded storage allocation
451 Requested action aborted: local error in processing
452 Requested action not taken: insufficient system storage
500 Syntax error, command unrecognised
501 Syntax error in parameters or arguments
502 Command not implemented
421 Service not available, closing transmission channel
VRFY
250 Requested mail action okay, completed
251 User not local; will forward to
550 Requested action not taken: mailbox unavailable
551 User not local; please try
553 Requested action not taken: mailbox name not allowed
500 Syntax error, command unrecognised
501 Syntax error in parameters or arguments
502 Command not implemented
504 Command parameter not implemented
421 Service not available, closing transmission channel
EXPN
250 Requested mail action okay, completed
550 Requested action not taken: mailbox unavailable
500 Syntax error, command unrecognised
501 Syntax error in parameters or arguments
502 Command not implemented
504 Command parameter not implemented
421 Service not available, closing transmission channel
HELP
211 System status, or system help reply
214 Help message
500 Syntax error, command unrecognised
501 Syntax error in parameters or arguments
502 Command not implemented
504 Command parameter not implemented
421 Service not available, closing transmission channel
NOOP
200 (nonstandard success response, see rfc876)
250 Requested mail action okay, completed
500 Syntax error, command unrecognised
421 Service not available, closing transmission channel
QUIT
221 Service closing transmission channel
500 Syntax error, command unrecognised
TURN
250 Requested mail action okay, completed
502 Command not implemented
500 Syntax error, command unrecognised
503 Bad sequence of commands

How to fix a corrupt USB stick

In windows open a command prompt

start > run > cmd > press enter > type "Chkdsk driveletter: /r" > press enter

Check that it can fix and agree with a Y press enter

The system will now try to repair the data.

back up the data if it can be repaired.

How to turn on pop logging in Exchange 2007

To start Pop logging you would need to follow these instructions

1.go to C:\Program Files\Microsoft\Exchange Server\ClientAccess\PopImap
2.open Microsoft.Exchange.pop3.exe.config with text editor
3.find and then modify protocolLog from false to true.
4.open services.msc
5.restart the pop service

How to turn on imap logging in Exchange 2007

To start IMAP logging you would need to follow these instructions

1.go to C:\Program Files\Microsoft\Exchange Server\ClientAccess\PopImap
2.open Microsoft.Exchange.Imap4.exe.config with text editor
3.find and then modify protocolLog from false to true.
4.open services.msc
5.restart the imap service

pc:browsers

If you have a problem when no browser will allow a page to be seen but all connectivity is ok i.e. ping, nslookup then delete the files in this location


C:\Users\profile\AppData\Local\Temp

PC:Windows:Hotfixes

%windir%\softwaredistribution\download

To clear

net stop wuauserv
rmdir %windir%\softwaredistribution /s /q
net start wuauserv
exit

PC: remote restart

You can remotely restart a machine from the command line by running the following:

start > run > cmd > type shutdown -i

add the machine name, fill in the details and click ok.

Ping the machine to ensure it is going through a reboot cycle.

How to list list object name from ID's

SELECT Object_name(number)
SELECT db_name(number)

How to list all table names for export in SQL server

USE database name
GO
SELECT *
FROM sys.Tables
GO

Email Reminders for Remote user to change their password

If you have remote users and they do not get prompted to change their password.

Send them an email reminder and they can then set by VPN and RDP in or via OWA.

http://thelowedown.wordpress.com/2008/12/04/active-directory-automated-password-expiration-warnings/

How to list and kill remove terminal services sessions

List all sessions on the remote server

qwinsta /SERVER:servername

To end a session

rwinsta {sessionname | sessionid} /SERVER:servername

Test a pop mail account using telnet

You can easily test a POP3 connection from the command line in order to rule out any connection errors. This is done using Telnet, which can be found from the command line in Windows or Linux.
You will need to know the name of the pop-server, username and password.
Running a POP3 test using Telnet on Windows 2000/XP/Vista
Go to Start (start button on the lower left of the desktop)
Choose Run
Type: cmd
This should bring up a DOS prompt. Once there, enter: telnet incoming.servage.net 110
Type: user username@yourdomain.com
Type: pass yoursecretpassword
Type: list (Will present a numbered list over mails in mailbox)
Type: retr 1 (Will display e-mail number 1)
Exit session by entering: quit
Running a POP3 test using Linux Ubuntu
Start a terminal session and enter: telnet incoming.servage.net 110
Type: user username@yourdomain.com
Type: pass yoursecretpassword
Type: list (Will present a numbered list over mails in mailbox)
Type: retr 1 (Will display e-mail number 1)
Exit session by entering: quit

How to migrate outlook auto complete from one pc to the other

http://office.microsoft.com/en-us/outlook-help/copy-autocomplete-name-list-to-another-computer-HA001139451.aspx

code for html redirect

SQL Server: seed problems

http://www.sswug.org/articles/viewarticle.aspx?id=17177

This is how to reseed all columns in a database

Network: Tools: Port Test

Good tool to test port on any internet machine

http://www.yougetsignal.com/tools/open-ports/

unlocking IIS

http://blogs.msdn.com/b/jaskis/archive/2009/05/10/iis-7-error-lock-violation-on-deleting-modules-at-website-level.aspx

IIS 7 Custom redirects

http://www.sslshopper.com/iis7-redirect-http-to-https.html

Programming:WMI Explorer

http://social.technet.microsoft.com/Forums/en/winservergen/thread/78b61bc9-2009-4277-81a1-7bdc11175ee3

Servers: Exchange 2007: Change max send and receive - check settings

http://www.exchange-genie.com/2007/11/how-to-set-message-size-limits-in-exchange-2007/

servers:sql:login problems

http://blog.sqlauthority.com/2007/02/15/sql-server-fix-error-15023-user-already-exists-in-current-database/

If you are having problems with adding on a disconnected user then this will do the job

JRun isolated jvm.config settings settings

http://kb2.adobe.com/cps/182/tn_18206.html

Content Delivery Network and Application Acceleration

I have been busy looking at Content Delivery Networks and Application Acceleration providers.
Limelight and Akamai fit the bill

IIS 5 -6 how to backup a CSR Request

This details how to backup a CSR request if you need to apply the current certificate back or you want to try things out.

https://www.sslgenie.com/csr/csr-Backup-N-Restore-IIS.html

How to create a file to a specific size

http://www.windowsitpro.com/article/file-systems/how-can-i-create-a-file-of-a-certain-size-in-windows-xp-and-later-.aspx