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the open source advocate skip to main content search this blog the open source advocate thoughts and ideas about the open source software movement posts linux nic teaming recommendations get link facebook x pinterest email other apps february 06 2010 introduction in my job as a network engineer i am constantly looking for ways to increase the availability of the network this is especially true in the data center where services are expected to always be available one of the ways to increase the network availability of a server is by using multiple network interfaces this technique has many different names but i am just going to call it nic teaming purpose of nic teaming nic teaming increases network availability by removing single points of failure spof these spofs are components that will cause a service outage if they become unavailable if we consider a single network connection from your server to your switch we can identify quite a few spofs server nic failure network cable failure such as being cut or unplugged network switch failure such as a planned firmware upgrade or unplanned outage methods of nic teaming the reason i am writing this blog is to help people understand the different options for nic team 6 comments read more is ziptie a good candidate for a fork get link facebook x pinterest email other apps september 13 2009 i have followed the ziptie project ever since it s first release if you have not heard of ziptie it is an incredibly powerful open source network management tool that allows you to discover and manage hundreds of network devices all with an easy to use interface does that sound too good to be true first i ll give you some background the project was created in november of 2006 and was sponsored by a company called alterpoint this was great because they funded four developers to work on ziptie for over two years here is a link to my first review of ziptie i started using ziptie on a university network that contained hundreds of network devices ziptie automatically discovered my devices by crawling the network then it automatically made a backup of my configs and kept a history of revisions that i can use to recover from additionally i can send commands to hundreds of devices at once saving me countless hours of time the amazing thing about ziptie was that i cou 28 comments read more random ubuntu planet spam get link facebook x pinterest email other apps december 09 2008 i just wanted to share that i have no idea why a random selection of my older posts decided to jump on the ubuntu planet again i know that this sort of thing happens when i edit an old post but i had nothing to do with this recent incident when is it wrong to fix a typo on the planet i apologize for all the noise and i ll try to figure out what happened thanks for your understanding 2 comments read more ziptie new features new name new license get link facebook x pinterest email other apps november 15 2008 introduction it has been over a year since i last posted about an exciting open source project called ziptie we use ziptie to automatically discover our network devices backup their configurations and perform a variety of functions related to these devices many things have changed with ziptie since my last post and i want to share those with you i ll start with the positive changes first because i am a positive type of person new features the most obvious improvement is the slick web interface that replaces the previous java fat client this interface is powered by adobe flex so it has a great look and feel to it having a web interface also simplifies deploying ziptie because you don t have to worry about installing a java application and all the required dependencies check out the screenshots ziptie has also added a great community resource called zipforge which is a place where anyone can publish custom tools that perform specific functions on network 7 comments read more the evolution of open source software get link facebook x pinterest email other apps november 15 2008 introduction if you have followed this blog for a while you will know about my passion for open source software i have always predicted that open source software would revolutionize the software industry but i didn t quite understand how this would happen my initial views expected that open source would disrupt traditional software companies so much that it would eventually put them out of business i am now realizing that the future of open source software looks much different than i first expected proprietary software will be quietly built on open source software one of the primary benefits of open source software is that it reduces the cost to produce software gartner agrees with this point open source software is the most efficient method to create software traditional proprietary software vendors are realizing this fact and are beginning to quietly build their closed software products using lots of open source software i say quietly because these 5 comments read more dimdim 4 0 is here get link facebook x pinterest email other apps august 11 2008 i blogged about open source web conferencing software a while back but i wanted to share this significant update of the dimdim project they have justed released version 4 0 of their software which adds significant functionality and makes dimdim a serious competitor to proprietary web conferencing solutions like webex and gotomeeting because there are so many new features i am only going to list my favorite ones below for a full list of features go visit the dimdim website recording and archiving any dimdim session can be recorded and made available with the click of the mouse simply press the record button you can email the recording url or grab an embed code and paste it on your blog or website you can even upload your recording to youtube or blip tv mac screensharing mac users can share their desktop with other mac and even windows users even if they aren t using dimdim with mac live screencasting you can share your desktop with anyone it s like ichat withi 11 comments read more reminder physical access root access get link facebook x pinterest email other apps july 10 2008 today i needed to reset a password on an ubuntu system while doing this i was reminded of just how simple it is to get root access on a default install of ubuntu i wanted to share these steps on this blog to remind people that if someone has physical access to your ubuntu system they can get root access in just a few seconds boot up your computer when asked hit escape to enter the grub menu select the option that displays recovery mode select the option labeled root prompt you are now logged in as root with the ability to change anything it is really just that simple this root console is great for advanced users who need to reset a password but the average user will have no idea what to do for instance here is how i found the main user of this system root laptop cat etc passwd grep 1000 1000 tristan x 1000 1000 tristan rhodes home tristan bin bash this output shows that there is a user named tristan who is the ma 23 comments read more more posts powered by blogger theme images by radius images tristan rhodes visit profile archive 2010 1 february 1 linux nic teaming recommendations 2009 1 september 1 2008 15 december 1 november 2 august 1 july 1 june 1 may 2 april 4 january 3 2007 51 december 2 november 1 october 4 september 8 august 6 july 5 june 2 may 3 april 3 march 3 february 5 january 9 2006 45 december 9 november 9 october 2 september 5 august 2 july 5 june 2 may 4 april 4 march 3 show more show less labels asterisk business deals digium networking open source photography security ubuntu vyatta ziptie show more show less report abuse