Just a quick tutorial on installing Webmin on CentOS. With a fresh CentOS Installation, run this command to download the software: wget http://prdownloads.sourceforge.net/webadmin/webmin-1.831-1.noarch.rpm You can head to here to get the latest version: There are dependancies that will need to be installed. You can do that via Yum by running this command: yum -y install perl perl-Net-SSLeay openssl perl-IO-Tty Finally, run this command: rpm -U webmin-1.831-1.noarch.rpm That should … [Read more...] about Install Webmin on CentOS
If you've moved onto the big leagues and want to run CentOS without the X Windows System desktop you can run this to remove it. First make sure your machine knows to start up in text mode: # vi /etc/inittab Find the text that looks like: id:5:initdefault: Replace the 5 with a 3: id:3:initdefault: Reboot and you'll be all set. To save space, remove the entire default CentOS 6.5 desktop by doing the following: sudo yum groupremove "X Window System" … [Read more...] about Uninstall X Window System on CentOS 6
Just a quick little guide and reminder for how to install Salt on CentOS 6. Salt resides in the EPEL repository, so you'll first have to use that: sudo yum install epel-release After that, choose what you'd like to install from Salt. Either the master: yum install salt-master or the minion... yum install salt-minion Say yes to everything and you'll be all set. Cheers. … [Read more...] about Install Salt Master or Minion on CentOS 6
I ran an updated to Windows 10 and all of a sudden my VMs in VMware Workstations were showing "Network Cable Unplugged" when I tried to use them. Here's what I did to fix that: Power off all your VMs In VMware Workstation go to Edit > Virtual Network Editor Choose to change settings and say OK to run as admin If you have static IPs or IP ranges you want to keep, note them Choose "Restore Defaults" at the bottom I didn't have to remove or add anything back to the VM. They came … [Read more...] about VMware Workstation VMs shows Network Cable Unplugged
You can download the new release here: http://dl.armtc.net/RPi-TC/RPiTC-2_r1.1.img.zip Here's a direct link to the post about the release: http://rpitc.blogspot.com/2015/04/rpi-tc-2-release-11-available.html I'm very excited to test some of the new features. If you've read some of my previous posts, you'll see we were working to build a Citrix Receiver thin client using the Raspberry Pi 2 capable of booting straight into Receiver where the only thing the customer has to enter is the … [Read more...] about Raspberry Pi 2 RPiTC 2 r1.1 is out!
Here are all of the quick commands I have to use on almost every Linux build. uname will return Linux uname -r Will return the version you are running uname -m Will return the kernel release uname -a Returns all the info it can give you about the kernel cat /etc/os-release All of the above commands will give you kernel and release information. They are pretty handy when you're working with some weird distros. df -h Will return your disk usage and status ifconfig Will return what … [Read more...] about Linux Command Quick Guide
Years ago I got into Python just a little bit. I know PHP very well and because I wanted to stay in web app development, learning Python seemed like the next logical step. Python is awesome, very learner friendly. Libraries are extensive and can get a lot done for you. With my PHP knowledge and my in depth understanding of servers, it was very easy for me to build out a dev environment to play around with. At first I was using a WAMP install, but eventually put my work on a linux VPS within my … [Read more...] about Lose your LAMP, MAMP, or WAMP dev environments and start using Koding
UPDATE: The new release is out! http://danblee.com/raspberry-pi-2-rpitc-2-r1-1-is-out/ I'll be using this post as a living document for our discoveries. Now that the Raspberry Pi 2 is out and performing very well, we decided to start toying with the idea of putting our Citrix based product on one and delivering a thin client to customers. The extra RAM (1GB) can be given to the graphics which means performance really took a step up. As of now, the Raspberry Pi 2 is very new, too new for … [Read more...] about Raspberry Pi 2 and Citrix Receiver – Thin Clients
Overview I came across this issue not too long ago and wanted to share my findings. First, this issue is not just an OpenVPN issue. If a service is dependent on certain sockets and ports being open but they are in use or closed, the service is going to fail. The good news is that the issue is fairly easy to fix on a running server with a little detective work and a few easy commands. … [Read more...] about OpenVPN – Process started and then immediately exited. Socket bind failed on local address. Address already in use.
I was recently setting up an OpenVPN Server on a brand new VPS on OpenVZ from an un-named host and I was given the following error when I tried to start everything up after installation: iptables service not started because of error (SVC_RUN_EXCEPT) The Issue This is a pretty general error but is specific in terms of OpenVPN. This issue will occur when TUN/TAP is not enabled on your VPS container. As it turns out, my host was using OpenVZ and unlike XEN or other platforms, … [Read more...] about iptables service not started because of error (SVC_RUN_EXCEPT)