Seems that a few of my instances in AWS were originally setup using Ubuntu 12.10. Don’t know how that happened, but anyways. Now that 12.10 is no longer support you can’t just upgrade.
So the solution is to use the old.releases.ubuntu.com site and update/upgrade from there.
I wanted to test out using the new aws-sdk with Amazon Web Services (AWS) SNS and SQS services. It is now possible to subscribe queues to topics therefore creating a pub/sub style system without any system configuration work.
Setup at AWS
I created a new IAM user in the AWS console and attached the User Policies for Amazon SQS Full Access and Amazon SNS Full Access.
Then I created code to generate the topic, queue and to subscribe the queue to the topic. By doing it this way the configuration is stored in code. No need to log into the AWS console and click through their interface.
Now I can publish messages to the topic and consume them from the queue.
Seems that last week I needed an openSUSE 11.1 VM to test out some chef scripts. Vagrant Cloud which is a great place to find Vagrant VMs didn’t have one, so I decided to create one.
Start first by downloading and installing packer an incredible tool for creating virtual machines from templates and scripts. I used the Opscode bento project as a starting point and created my own packer template for opensuse 11.1.
After a couple of tries I figure out how to get the VM to boot from the IOS, enter the correct boot commands, provision the OS and run some setup scripts. The biggest problem was figuring out that I had to reboot the VM after upgrading the kernel, or the Virtual Box Guest Additions would not install. But packer can handle a reboot from a script, so it worked.
If you are interested the box can be used from Vagrant by doing:
Currently working out a build system for a windows application. Found this was helpful when trying to figure out which dlls where being used by some dlls created a long time ago.
In March there was a DDOS attack that used many (160,000) wordpress sites to flood other websites. This was done because wordpress now has xml-rpc on by define.
It is possible to turn off xml-rpc using a plugin.
What to do when an obsolete rman object can’t be found.
Environment
Make sure ORACLE_HOME, ORACLE_SID and PATH are set correctly
– rman also comes with X11R6 so make sure that ORACLE_HOME/bin is first in your PATH
Log Into RMAN
rman target /
Find the mismatched objects
RMAN> delete noprompt obsolete;
RMAN retention policy will be applied to the command
RMAN retention policy is set to redundancy 2
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=18 devtype=DISK
Deleting the following obsolete backups and copies:
Type Key Completion Time Filename/Handle
-------------------- ------ ------------------ --------------------
Backup Set 1681 01-FEB-10
Backup Piece 1681 01-FEB-10 /usr/lib/oracle/xe/app/oracle/flash_recovery_area/XE/backupset/2010_02_01/o1_mf_nnndf_TAG20100201T040227_5pfjpoo0_.bkp
RMAN-06207: WARNING: 1 objects could not be deleted for DISK channel(s) due
RMAN-06208: to mismatched status. Use CROSSCHECK command to fix status
RMAN-06210: List of Mismatched objects
RMAN-06211: ==========================
RMAN-06212: Object Type Filename/Handle
RMAN-06213: --------------- ---------------------------------------------------
RMAN-06214: Backup Piece /usr/lib/oracle/xe/app/oracle/flash_recovery_area/XE/backupset/2010_02_01/o1_mf_nnndf_TAG20100201T040227_5pfjpoo0_.bkp
The /usr/lib/oracle/xe/app/oracle/flash_recovery_area/XE/backupset/2010_02_01/o1_mf_nnndf_TAG20100201T040227_5pfjpoo0_.bkp file is missing.
using channel ORA_DISK_1
crosschecked backup piece: found to be 'EXPIRED'
backup piece handle=/usr/lib/oracle/xe/app/oracle/flash_recovery_area/XE/backupset/2010_02_01/o1_mf_nnndf_TAG20100201T040227_5pfjpoo0_.bkp recid=1681 stamp=709790549
Crosschecked 1 objects
Now delete the objects
RMAN> delete noprompt obsolete;
RMAN retention policy will be applied to the command
RMAN retention policy is set to redundancy 2
using channel ORA_DISK_1
Deleting the following obsolete backups and copies:
Type Key Completion Time Filename/Handle
-------------------- ------ ------------------ --------------------
Backup Set 1681 01-FEB-10
Backup Piece 1681 01-FEB-10 /usr/lib/oracle/xe/app/oracle/flash_recovery_area/XE/backupset/2010_02_01/o1_mf_nnndf_TAG20100201T040227_5pfjpoo0_.bkp
deleted backup piece
backup piece handle=/usr/lib/oracle/xe/app/oracle/flash_recovery_area/XE/backupset/2010_02_01/o1_mf_nnndf_TAG20100201T040227_5pfjpoo0_.bkp recid=1681 stamp=709790549
Deleted 1 objects