efficient dba part 1
DESCRIPTION
TCOUG. Efficient DBA Part 1. Scripting Your Logins “ Efficiency is intelligent laziness .” ~ David Dunham. TCOUG. Start at the End. TCOUG. Set the SQL prompt. TCOUG. Always be aware of your environment. TCOUG. Script the environment variables for each instance. TCOUG. rlwrap. - PowerPoint PPT PresentationTRANSCRIPT
Efficient DBAPart 1
Scripting Your Logins“Efficiency is intelligent laziness.”
~ David Dunham
TCOUG
Start at the End
TCOUG
Set the SQL prompt
TCOUG
Always be aware of your environment
TCOUG
Script the environment variables for each instance
TCOUG
rlwrapTCOUG
• Gives capability to re-execute commands in sqlplus and rman• Command history program similar to bash’s history package• Installable as RPM or compile from source• Gives similar behavior to sqlplus in Windows• Will run in Cygwin• Very robust, but simple arrow up gives last command executed• http
://sysdba.wordpress.com/2006/10/08/how-to-use-rlwrap-to-get-a-command-history-in-sqlplus/• http://goo.gl/EfGOl
• http://utopia.knoware.nl/~hlub/rlwrap/#rlwrap• http://goo.gl/YdJN5
Put environment scripts in an easily accessible location and alias the most frequently used
TCOUG
Sudo prohibits and allows commands to be run
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Sudo has a verification timeout before asking for your password again
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Only requires password once, then loops and executes command once every 10 seconds
Note: Your company’s security department may not like this
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Add this script to your profile scriptWill execute automatically on login
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Will run as long as your login PID exists
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AD/LDAP user automatic login
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Shared Key Authentication is enabled on the server by default
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Generate private and public keys with PuttyKeyGen
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Private key client authentication done by Pageant
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The key generated will look similar to thisFormatted like this will work with Linux SSHD
$HOME/.ssh should be set to 700
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$HOME/.ssh/authorized_keys should be set to 600
Once the public key is added, the server is ready to accept the paired keys
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Shared Key Authentication bypasses the need for a password on login
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• Desktop• Log into server using share-key authentication• Sudo keep-alive loop started• Switch User to Oracle• Set environment variables• Log into sqlplus
Review
When Time is Your Bottle NeckEvery Second Counts!
TCOUG
Become an Efficient DBASpend some time each week finding shortcuts
Thank You!
Seth [email protected]://sethmiller.org