ORA-27121: unable to determine size of shared memory segment

If when you are trying to login to Oracle 10G on linux you get :


ORA-01034: ORACLE not available
ORA-27121: unable to determine size of shared memory segment
Linux Error: 13: Permission denied

This is caused by Oracle installer not setting setuid on $ORACLE_HOME/bin/oracle.
To fix do:


$ cd $ORACLE_HOME/bin
$ chmod 6751 oracle

via http://www.jasonash.com/techblog/index.php/linux/ora-27121-unable-to-determine-size-of-sh

One thought on “ORA-27121: unable to determine size of shared memory segment

  1. If you print multiple copies of the same photo or image, you’ll most likely use more of one color. Comments: The Canon color PIXMAi – P1180 Teng is its low cost advantage, which is attracting undemanding SOHO and personal user key, however, be pointed out that this machine comes standard with black ink only, For color printing, also To optional color cartridge. With photo printers, resolution varies according to technology: Output at 300 dpi by photo printers using dye-sublimation technology is comparable to photo printers using inkjet technology outputting at 1200 dpi or higher.

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google+ photo

You are commenting using your Google+ account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

w

Connecting to %s