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Category: shell

Some useful Unix Commands

Posted on 05-Oct-2006 By Admin No Comments on Some useful Unix Commands

(1) Find all SQL files that contain “dba” pattern in current directory. find . -name “*sql” -print | xargs grep -i “dba” (2) script to kill all Oracle background processes for a database. This is a common Unix script used by Oracle DBAs when a database is locked up, and Server Manager cannot be used…

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Linux/Unix, shell

Logic to chech # of parameters command line parameters

Posted on 05-Oct-2006 By Admin No Comments on Logic to chech # of parameters command line parameters

# Exit if no first parameter $1. if [ -z “$1” ] then echo “Usage: check_parms.ksh (where value is > 100)” exit 99 fi # Exit if no second parameter $2. if [ -z “$2” ] then echo “Usage: check_parms.ksh (where value is > 100)” exit 99 fi # Exit if parm is not greater…

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Linux/Unix, shell

Vivek’s egrep commands to trace problem. (on linux x86-64)

Posted on 13-Sep-2006 By Admin No Comments on Vivek’s egrep commands to trace problem. (on linux x86-64)

dbaltxprod51->WEBP18F@(/oracle/app/oracle/admin/WEBP18F/bdump/BACKUP)egrep -i “INSERT” /tmp/v1aa|awk -F”trc” ‘{print $2}’|sort |uniq -c dbaltxprod51->WEBP18F@(/oracle/app/oracle/admin/WEBP18F/bdump/BACKUP)egrep -i “Select” /tmp/v1aa|awk -F””trc ‘{print $2}’|sort |uniq -c|sort -nr dbaltxprod51->WEBP18F@(/oracle/app/oracle/admin/WEBP18F/bdump/BACKUP)egrep -i “Select” /tmp/v1aa|awk -F”:” ‘{print $2}’|sort |uniq -c|sort -nr dbaltxprod51->WEBP18F@(/oracle/app/oracle/admin/WEBP18F/bdump/BACKUP)egrep -i “Select” /tmp/v1aa|awk ‘{print $2}’|more|sort |uniq -c dbaltxprod51->WEBP18F@(/oracle/app/oracle/admin/WEBP18F/bdump/BACKUP)egrep -i “Delete” /tmp/v1aa|awk ‘{print $2}’|more|sort |uniq -c dbaltxprod51->WEBP18F@(/oracle/app/oracle/admin/WEBP18F/bdump/BACKUP)egrep -i “Update” /tmp/v1aa|awk ‘{print $2}’|more|sort |uniq -c dbaltxprod51->WEBP18F@(/oracle/app/oracle/admin/WEBP18F/bdump/BACKUP) dbaltxprod51->WEBP18F@(/oracle/app/oracle/admin/WEBP18F/bdump/BACKUP)egrep…

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Linux/Unix, shell

tuning commmand for cpu, ip and memory stats

Posted on 12-Sep-2006 By Admin No Comments on tuning commmand for cpu, ip and memory stats

SQL> !mpstat Linux 2.6.9-34.ELsmp (dbaltxprod51) 09/12/2006 05:45:41 PM CPU %user %nice %system %iowait %irq %soft %idle intr/s 05:45:41 PM all 1.34 0.00 4.17 0.47 0.02 0.11 93.89 1413.67 SQL> !vmstat procs ———–memory———- —swap– —–io—- –system– —-cpu—- r b swpd free buff cache si so bi bo in cs us sy id wa 7 0 86476…

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Linux/Unix, shell

oracle 10g on linux

Posted on 12-Sep-2006 By Admin No Comments on oracle 10g on linux

http://www.dbspecialists.com/presentations/oracle10glinux.html

Linux/Unix, shell

Linux CPU info.

Posted on 12-Sep-2006 By Admin No Comments on Linux CPU info.

The following commands can be used to identify the processor architecture on your database server: $ uname -m $ grep “model name” /proc/cpuinfo

Linux/Unix, shell

ipcs -l

Posted on 12-Sep-2006 By Admin No Comments on ipcs -l

dbaltxprod51->WEBP18F@(/home/oracle/paresh)ipcs -l —— Shared Memory Limits ——– max number of segments = 4096 max seg size (kbytes) = 4002706 max total shared memory (kbytes) = 8388608 min seg size (bytes) = 1 —— Semaphore Limits ——– max number of arrays = 128 max semaphores per array = 250 max semaphores system wide = 32000 max…

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Linux/Unix, shell

Kernel Parameter setting explaination for Processes Parameter

Posted on 31-Aug-2006 By Admin No Comments on Kernel Parameter setting explaination for Processes Parameter

SHMMAX = The maximum size(in bytes) of a single shared memory segment. SHMMIN = The minimum size(in bytes) of a single shared memory segment. The above settings let the max be bigger then we wil ever use and the min much smaller. They are sufficient for pretty much all systems. SHMMNI = The number of…

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Linux/Unix, shell

Passing from Unix to PLSQL using bind variables

Posted on 29-Aug-2006 By Admin No Comments on Passing from Unix to PLSQL using bind variables

#!/usr/bin/ksh ########## Configuration ############# ENV_FILE=$1

Linux/Unix, shell

Passing from Unix to PLSQL using bind variables

Posted on 29-Aug-2006 By Admin No Comments on Passing from Unix to PLSQL using bind variables

. $ENV_FILE echo “Started test.ksh `date +%D-%T`” V1=1; V3=One; $ORACLE_HOME/bin/sqlplus pvm/pvm

Linux/Unix, shell

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