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Unix

Home » Unix
Read more about the article Cluster SSH tool Utility

Cluster SSH tool Utility

  • Post author:Amit Bansal
  • Post published:26 January, 2012
  • Post category:Unix
  • Post comments:0 Comments

Many times you come across scenario's when you wish to open multiple ssh windows and execute same commands.e.g You wish to see alert log for multi-node RAC simultaneously or edit sysctl.conf…

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Effect Of Multiple SHMMAX Settings

  • Post author:Saurabh Sood
  • Post published:28 August, 2010
  • Post category:10g
  • Post comments:0 Comments

Last week I saw a warning message at database startup time saying: WARNING: EINVAL creating segment of size 0x000000000f0020xx fix shm parameters in /etc/system or equivalent It is an Oracle…

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How To Discover Disk Name When LUN Number is Known (OEL5)

  • Post author:Saurabh Sood
  • Post published:1 February, 2010
  • Post category:10g/11g
  • Post comments:2 Comments

I am creating 11gR2 RAC setup for one of my client. Following Oracle documentation for storage, I opted for Oracle ASM and asked storage team for new physical devices. Storage…

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Sqlplus connection on AIX taking too long

  • Post author:Amit Bansal
  • Post published:23 September, 2009
  • Post category:10g
  • Post comments:3 Comments

Recently we faced a performance issue, where in sqlplus connection from application server A (AIX 5.3) to Database server DB (different physical server,10gR2 on AIX 5.3) was taking nearly 1-2…

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Use awk/sed in vi

  • Post author:Amit Bansal
  • Post published:2 July, 2009
  • Post category:Unix
  • Post comments:3 Comments

Thought of sharing some useful info which can help you to do your work faster in vi.You can use awk/sed scripts in vi using following command in vi :%!scriptname Here…

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Connections to DataBase Hang Including “/ as sysdba”

  • Post author:Saurabh Sood
  • Post published:7 April, 2009
  • Post category:10g
  • Post comments:2 Comments

Recently I faced one issue where all the connection to database hung and it was also not possible to login to database using "/ as sysdba". To get access of…

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