The ARCH Linus distro for the Raspberry Pi is not the normal one used by the masses, but the benefits of ARCH are good in that it is a rolling release distro. That means, you never have to reinstall it to be on the latest version.
Note: The information that follows assumes that you have installed ARCH from the NOOBS installer. The latest version of ARCH has changed the networking system in use. Continue reading Beginner’s Guide to Arch Linux on the Raspberry Pi
Updated 11th January 2015 to document NOOBS 1.3.11.
NOOBS is the latest user friendly installation system from the Raspberry Pi. It allows you the ability to choose one of 7 (currently) Operating Systems to run on your Pi and a separate data partition to save your possibly shared data. You can pick and choose and change your OS at any time you wish simply by rebooting and holding the SHIFT key down. However, any user data on the SD card will be lost each time.
NOOBS is “New Out Of Box Software” by the way. Want to know more? Read on… Continue reading NOOBS For Raspberry Pi
I have a small utility, written in C, that I need to use from time to time. I wrote it back in 2009 when 32 bit systems were all the rage. It reads a certain type of data file and outputs lots of, ahem, interesting information about the contents. When I compiled it on my 64 bit laptop, it produced complete and utter rubbish! How did I fix it? Continue reading Need to Compile a 32 bit Application on a 64 bit Linux System?
Oh hum. An 22.214.171.124 Enterprise Edition production database has statspack taking a regular snapshot under the control of a dbms_scheduler job. For no apparent reason, the snapshot started failing with ORA-01400 Cannot insert NULL into PERFSTAT.STATS$SYSTEM_EVENT.EVENT. This was an interesting one to fix. Continue reading Statspack Snapshot Fails ORA-01400 Cannot Insert NULL …
http://jarneil.wordpress.com/2013/04/23/recovering-from-rm-rf-on-a-datafile/ has all you need to know to help avert a total disaster. Tanel Poder, who knows these things, advises that the file should be quiesced or made read only before attempting the recovery.
Firefox starts off ok, but soon starts running slower and slower, until it eventually starts to time out on connecting to some pages. The error messages is “the server took too long to respond” however, Firefox might be telling porkies. Continue reading Firefox Running Extremely Slowly?
A quickie! How do you set the correct Oracle environment in scripts? Do you hard code? You better not. Continue reading Setting Oracle Environment in Scripts
Ever needed to obtain the serial number (or other details) for a remote server? Couldn’t be bothered to walk/run/drive/fly all the way there just to read a sticky label on the back or bottom of said server? Read on then. Continue reading Linux Command to Retrieve Hardware Serial Numbers etc
A quickie! Rsync is great for making sure that a destination directory is synchronised with a source directory. However, do you add a slash to the source and/or destination directory names, or do you not? Continue reading Rsync – To Slash or Not To Slash?
I have a network attached 1 Tb hard drive. It’s a white book, Western Digital “My Book World” device. I use it for backups. I needed to set it up to allow the backup scripts ssh access without a password. Here’s how I did it. Continue reading Setting up SSH on Western Digital My Book World Devices
I use Java only when I have to, and only ever the JRE (Java Runtime Environment) – there is no way I’ll use Java for development work. I’d rather eat my own ear wax to be honest!
Linux Mint 13 comes with OpenJDK installed, and a system I use which runs the fop FO Processor, barfs with a Java.Lang.NullPointer Exception if OpenJDK is used.
The following is brief instructions on how to install Oracle’s java on Linux Mint. Continue reading Installing Oracle Java 7 on Linux Mint 13
This post is all about cloning an 11g database from one server to another using an RMAN active database clone. This is not being done for Standby Database purposes, only to duplicate an existing database onto another server.
The physical structure on both servers is the same, some path names have been changed. Continue reading RMAN Active Database Clone – Different Servers, Same Structure
Looking for the location of oraInventory on a server? Want to know where it is? Read on. Continue reading Where Does OraInventory Live? Can I Move it?
Have you ever found that the virtual hard drive attached to one of your VirtualBox VMs is getting too small? Want to know how to make it beigger? Continue reading How To Resize a VirtualBox Hard Drive
Ever wanted to backup your Raspberry Pi’s SD card, but didn’t know who to ask? Me too. Read on …. Continue reading Backup & Check a Raspberry Pi SD Card