Monday, December 22, 2014

MongoDB Buys WiredTiger

Posted by Mahalingesh On Monday, December 22, 2014

MongoDB Buys WiredTiger: Database Move

MongoDB grabs technology and expertise from storage-engine company to address write-intensive, high-scale applications.

MongoDB Buy
 

Thursday, July 3, 2014

[INS-40406] The installer detects no existing Oracle Grid Infrastructure software on the system

Posted by Mahalingesh On Thursday, July 03, 2014


 
Issue :
========

Oracle Home OraDb11g_home1 missing CRS="true"

Solution :

========

To fix the issue, use following CLI

$ runInstaller -updateNodeList ORACLE_HOME="/u01/app/oracle/product/11.2.0.3" CRS=true

Monday, June 16, 2014

Port forwarding in Linux

Posted by Mahalingesh On Monday, June 16, 2014

Two situation :
1) While using ssh
2) While using sudo su 


Error encounter :
Xlib: PuTTY X11 proxy: wrong authentication protocol attempted

1) Using ssh : use ssh with -X option
vUSER1@rhel1234orc001a:grid]$ ssh -X oracle@rhel1234orc001a
 [oracle@rhel1234orc001a:~]$ xterm
[oracle@rhel1234orc001a:~]$

2) Using sudo su : use temporarily transfer the authorization to the other account using xauth add

vUSER1@rhel1234orc001a:grid]$ xauth
Using authority file /home/vUSER1/.Xauthority
xauth> list
rhel1234orc001a.mysite.local/unix:10  MIT-MAGIC-COOKIE-1  e7b1c3caf33b411c00a6cc4f243fe97c
xauth> exit
[vUSER1@rhel1234orc001a:grid]$ sudo su - oracle
[oracle@rhel1234orc001a:~]$ xauth add rhel1234orc001a.mysite.local/unix:10  MIT-MAGIC-COOKIE-1  e7b1c3caf33b411c00a6cc4f243fe97c
[oracle@rhel1234orc001a:~]$ xterm
[oracle@rhel1234orc001a:~]$

Hope that helps...