Category Archive: Computers

Howto and other interesting information on computers systems and programming.

Mar 06

Bulletproof SSH Tunnel using Cygwin and AutoSSH

Ever try to get around those pesky firewalls at work? Well here is a way to setup permanent SSH tunnels that will self heal! The main reason I set this up was so that I wouldn’t have to keep setting up firewall holes in my remote routers. All of my systems now phone home and …

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Jan 12

Running Juniper SA SPE on VirtualBox using Named Pipes

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This article explains howto run the Juniper Virtual Appliance on VirtualBox and hopefully Oracle VM.   First Install VirtualBox Download the Juniper Virtual Appliance SA SPE and unzip the file into a folder. Import the appliance as OVF. Create a 10 Gig Dynamic VDI for the Disk. Since the Juniper Appliance needs a serial console …

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Dec 28

Backup and Restore Magento

This explains howto export and import all the data and images from a Magento Ecommerce system.   First from the export machine, goto the the Admin for Magento. Then System / Import-Export / Dataflow-Profiles / Export All Products. Then choose Run Profile from the Menu on left. This will create a local file on the …

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Dec 19

Fixing OVM 3.1.1 Database

I found myself in a situation where I had “ghost” repository servers in presented to my nfs repository. This stopped my from being able to import anything into the repository. Not good. So I found this quick fix….   Ran as follows: /etc/init.d/ovmm stop NOTE: cat /u01/app/oracle/ovm-manager-3/.config (This provides some of the info you need …

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Dec 12

Upgrade Oracle VM 3.0.3 to 3.1.1

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Download patches p14227416_30_Linux-x86-64.zip = OVM Manager Upgrade p14775391_30_Linux-x86-64.zip = OVM Server Upgrade   OVM Manager Upgrade. Unzip and mount the iso inside the zip file [root@ovmm303 ~]# unzip p14227416_30_Linux-x86-64.zip Archive:  p14227416_30_Linux-x86-64.zip inflating: ovmm-3.1.1-upgrade-b544.iso inflating: README.html [root@ovmm303 ~]# mount -o loop ovmm-3.1.1-upgrade-b544.iso /cdrom [root@ovmm303 ~]# cd /cdrom [root@ovmm303 cdrom]# ls components  EULA  LICENSE  runUpgrader.sh  TRANS.TBL  upgrade …

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Nov 25

Citrix Receiver install on OEL / Redhat 6.3

Download and install Citrix Reciver client Install complained about alsa-lib sounds drivers. Apparently it needs 32bit alsa-lib so: yum install alsa-lib.i686 Install complained about libcrypto so had to install the 32bit openssl yum install openssl.i686 Modify the /opt/Citrix/ICAClient/util/integrate.sh script to include the correct Firefox config executable. ########## found_netscape() { ALREADY_MIMETYPE=0 ALREADY_MAILCAP=0 arch=`uname -m` if [ …

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Nov 09

CYGWIN install on Windows 8 ssh-host-config as well!

Install cygwin from cygwin.com Run cygwin shell as “Administrator” Run “ssh-host-config” $ ssh-host-config *** Info: Generating /etc/ssh_host_key *** Info: Generating /etc/ssh_host_rsa_key *** Info: Generating /etc/ssh_host_dsa_key *** Info: Generating /etc/ssh_host_ecdsa_key *** Info: Creating default /etc/ssh_config file *** Info: Creating default /etc/sshd_config file *** Info: Privilege separation is set to yes by default since OpenSSH 3.3. *** …

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Nov 03

Windows 8 Hangs

I just bought 2 licenses of the Released Windows 8 and overall I like it except my browsers were hanging / locking up for about 20 seconds repeatedly. Apparently there is an issue with the dynamic tick. What it will do is stop Windows from coalescing CPU clock ticks when idle, a feature added in Windows …

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Oct 30

OVM Console Broken by Java 7

Make sure you are using Java 6 when trying to access your OVM Virtual Machines. Java 7 seems to have broken something. Isn’t it nice that Oracle makes java and breaks its own products? Use this download link for Java 6 cd /usr/lib64/mozilla/plugins ln -s /usr/java/jre1.6.0_37/lib/amd64/libnpjp2.so . restart firefox got “about:plugins” and make sure it …

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Oct 18

Verizon Mobile Hotspot – First speed test

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Just did my first Verizon HotSpot speed test using 4G LTE I guess I can live with that!

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