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markcallen

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Oracle

Starting Oracle Enterprise Manager

markcallen -
For the oracle database Enterprise Manager (EM) runs on port 1158. But it needs to be started by itself. Linux Login as oracle and run: $ORACLE_HOME/bin/emctl start...
Oracle

Oracle XE Backup

markcallen -
After installing Oracle XE you should setup backups. Backups for XE For Oracle XE there is ready a backup script that uses Oracle's RMAN.   Setup Archive Log...
Oracle

Checking for a User in OID

markcallen -
Test to see if a user is already in OID The following java code checks to see if there is a user in OID, returning...
Linux

Creating a new linux file system

markcallen -
Creating a ext3 file system on a new USB disk. Partition Table # /sbin/fdisk /dev/sdc The number of cylinders for this disk is set to 60801. There is...
Linux

Copying directories between file systems

markcallen -
Copying files from one directory to another using find and cpio. cd /old_file_system/ find . -print -depth | cpio -pamVd /new_file_system/
Perl

Getting https pages with Perl

markcallen -
Perl's LWP package is a great way to get web pages and display the content of the resulting http header. Out of the box...
Apache

Using Java Web Start with Opera

markcallen -
Out of the box the Opera web browser is not setup to run jnlp files, therefore java webstart will not run properly.  To fix...
Apache

Adding LDAP Authentication to a Site

markcallen -
Add the following entry to the VirtualHost <Directory "/var/www/html"> order allow,deny allow from all AuthName "Staff only" AuthType Basic AuthLDAPURL ldap://localhost/dc=example,dc=com require valid-user </Directory>
Apache

Security failure. Data decryption error. When using IE on a Mac

markcallen -
On Mac OS X when opening a new IE window from a site running under https there is no content in the window and...
Linux

Link down on RedHat Linux 3

markcallen -
On RedHat Enterprise 3 Linux on VMWare each interface link is always down. The following needs to be added to all the ifcfg-eth in /etc/sysconfig/networking-scripts/ check_link_down()...
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