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Category: shell

telnet listening

Posted on 09-Jul-2008 By Admin No Comments on telnet listening

if you are trying following $ telnet remote-server port and you are getting error, this means no one is listening on that port on remote server. Start the listening application ( like listener ) & then do telnet. it will work if firewall is not blocking it.

Linux/Unix, shell

Find total file sizes

Posted on 07-Jul-2008 By Admin No Comments on Find total file sizes

sunflower1/800L>./vrm3 | awk ‘{tot+=$5} END {print “TOTAL ” tot/1024}’ TOTAL 52662552 sunflower1/800L>cat vrm3 ls -rlt /EMCdb21/oradata/800P/800P_misc_index31.dbf ls -rlt /EMCdb21/oradata/800P/800P_emp_data23.dbf ls -rlt /EMCdb21/oradata/800P/800P_emp_index55.dbf ls -rlt /EMCdb21/oradata/800P/ORD_SCRPAD_INDEX_06.dbf ls -rlt /EMCdb21/oradata/800P/800P_emp_index56.dbf ls -rlt /EMCdb21/oradata/800P/800P_misc_data_3_04.dbf ls -rlt /EMCdb21/oradata/800P/800P_SAS_DATA_1.dbf ls -rlt /EMCdb24/oradata/800P/800P_ord_index42.dbf ls -rlt /EMCdb24/oradata/800P/800P_misc_index32.dbf ls -rlt /EMCdb24/oradata/800P/800P_phone_index22.dbf ls -rlt /EMCdb24/oradata/800P/800P_atlas_index57.dbf ls -rlt /EMCdb14/oradata/800P/800P_atlas_data34.dbf ls -rlt /EMCdb14/oradata/800P/800P_emp_index57.dbf ls -rlt /EMCdb14/oradata/800P/800P_ord_data29.dbf…

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Linux/Unix, shell

how to find VIP from ifconfig

Posted on 27-Jun-2008 By Admin No Comments on how to find VIP from ifconfig

As u see in front of VIP, “:1” will be there. sunlight1/800P>ifconfig -a lo0: flags=2001000849 mtu 8232 index 1 inet 127.0.0.1 netmask ff000000 hme0: flags=1000843 mtu 1500 index 2 inet 192.168.9.36 netmask ffffff00 broadcast 192.168.9.255 hme0:1: flags=1000843 mtu 1500 index 2 inet 192.168.9.10 netmask ffffff00 broadcast 192.168.9.255 hme1: flags=1000843 mtu 1500 index 3 inet 192.168.9.38…

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Linux/Unix, shell

Zip and unzip with tar

Posted on 02-Jun-2008 By Admin No Comments on Zip and unzip with tar

***** ZIP IT ************ eaappprod22->UOCUAT@(/export/home/oracle/paresh)ls -rlt total 0 -rw-r–r– 1 oracle dba 0 Jun 2 11:08 2 -rw-r–r– 1 oracle dba 0 Jun 2 11:08 3 -rw-r–r– 1 oracle dba 0 Jun 2 11:08 4 -rw-r–r– 1 oracle dba 0 Jun 2 11:08 5 -rw-r–r– 1 oracle dba 0 Jun 2 11:09 1 eaappprod22->UOCUAT@(/export/home/oracle/paresh)tar -cvf…

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Linux/Unix, shell

Guide to Linux System Command Mastery

Posted on 20-May-2008 By Admin No Comments on Guide to Linux System Command Mastery

An introduction to system commands for newcomers to Linux In “Guide to Linux File Command Mastery,” we covered the basic information needed to take advantage of the most essential and commonly used Linux file commands. In this article, I’ll do the same with Linux system commands. As we learned in the previous article, everything is…

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Linux/Unix, shell

setting prompt display with .profile

Posted on 16-May-2008 By Admin No Comments on setting prompt display with .profile

PS1=” `hostname`*${ORACLE_SID}-${PWD} ==>”

Linux/Unix, shell

runsql_once.ksh

Posted on 10-May-2008 By Admin No Comments on runsql_once.ksh

#!/bin/ksh # This parameter will be for executing environment file. $1 $ORACLE_HOME/bin/sqlplus -s “/ as sysdba”

Linux/Unix, shell

send attachment from unix-shell script

Posted on 10-May-2008 By Admin No Comments on send attachment from unix-shell script

#!/bin/ksh ORACLE_HOME=/oracle/app/oracle/product/9.2.0.8;export ORACLE_HOME ORACLE_SID=800P; export ORACLE_SID $ORACLE_HOME/bin/sqlplus -s “/ as sysdba”

Linux/Unix, shell

send email from unix mailx with attachment.

Posted on 07-May-2008 By Admin No Comments on send email from unix mailx with attachment.

mailx -s “test message” pmehta@1800flowers.com

Linux/Unix, shell

changing kernel parameter in Oracle Enterpise Linux

Posted on 11-Apr-2008 By Admin No Comments on changing kernel parameter in Oracle Enterpise Linux

change the file /etc/sysctl.conf for the kernel parameters. DBA generally do this for changing semaphore and shared memory parameters. Run the following command to change the current kernel parameters. $ /sbin/sysctl -p

Linux/Unix, shell

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