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  • meeting notes for Dec 2013 and Jan 2014

    Posted on January 23rd, 2014 T.K. No comments

    We have been having great turn outs despite the cold.

    On January 6, 2014 we meet. We had about 10 people.
    The discussion started with Brad talking about Xen and Citrix. Apparently, Xen-Server is now opensource. This used to be a commerical product sold by Citrix while the simplier version Xen was opensource. The Opensource Xen-Server has many of the same features you find in Vshpere or Microsoft’s virutalization product. Most of the commerical product sell features like ‘live migration’ and ‘HA’, which Xen-Server does for free.

    We talked about sandboxing a machine with ‘chroot’ and ‘lps’. This is one way to keep your Linux machine pretty safe while browsing the web. Other sandboxing solutions are lxc linux containers and docker installs. After talking about sandboxing a system, we went on to Glusterfilesystem and open media solutions in Linux. Some media solutions that came up were ‘media tomb’, ‘plex3′, ‘open media vault’.

    On Dec 3, 2013, we had a similiarly large turn out. This meeting was all over the place. We started talking about desktop managers, and ended with security software. Someone mentioned that ‘flux box’ or ‘black box’ was better for running Wine applications on Linux. Another person mentioned that the new version of Mint16 broke Gnome compatiblity. Then we talked about the package managers. ‘Synaptic package manager’ was discussed shortly as one of Ubuntu’s main gui tools. For getting special packages, someone mentioned using ‘ppa’, which stands for ‘personal package manager’. Adding ‘ppa’s to your Ubuntu distro lets you gets software that you normally don’t have access to with the standard packages. Someone had a problem with lvm on a mixed drive that does both solidstate and regular SATA in the same device. We recommended a firmware upgrade. Virtual machines applications were discussed a little. Docke, kvm, vmware, xen, openbox, and parrells are some of the choices people could make. At the end of the meeting, ‘backtrack’ and ‘helix’ were talked about as forensic tools.

  • Nov 2013 meeting notes

    Posted on November 4th, 2013 T.K. No comments

    We have been having very good turnouts for the meetings. All the chairs in the conference room are full. Today, we talked about various topics. Tim Cash started the talk with some questions in regards to building a new machine. He had some questions about monitors and DVI on a 24 inch. Dave D. mentioned that DVI has a max of 1900×1200 on 24 inch monitors. He also recommended ATI(AMD) Infinity cards. There was talk about filesystems, using duck duck go as a search engine, and rainbow tables for password encryption.

  • meeting notes: March 4th 2013 at 7PM.

    Posted on February 18th, 2013 T.K. No comments

    We had an open meeting. About 8 people showed up for the meeting. We had a bunch of new people during this meeting.

    We discussed using the Linux command line. We helped a user with an Ubuntu install. We also discussed Linux news sources.

  • Jan 2011 Meeting Notes

    Posted on January 18th, 2011 T.K. No comments

    We had a small group of 6-8 people this evening.

    Items of Interest:
    Brad was getting 25Mb Business Class Fiber from Verizon.
    He said it took 30 calls to setup the order.

    Talked about how Linux and Ubuntu are doing things differently. There seems to be a desire to make Linux more friendly to the masses. As a result, controls under the hood seem to be getting covered up by developers. Although this is helping new Linux users, hiding the controls is frustrating older Linux users. At the 27th Chaos Communication Congress in Europe, a sysadmin, Wolfgang Draxinger attempted to complain about missing documentation and his frustration with the current state of where Linux is going. We think that his goal was to show how Linux is becoming evil with it’s heavy dependence on multimedia. More specifically, Pulse audio, gdm, gs-streamer, and phonon are not very well documented. However, the developer of these applications had strategically placed himself in the audience and made is presentation a little award. Although there was a dialog between developer and users, the air of superiority from this one developer is exemplified in this youtube video. http://www.youtube.com/watch?v=ZTdUmlGxVo0

    In the meeting, there was further talk of how to make Ubuntu like and feel like the old versions of Linux. More specifically, to get the virtual terminals now you need Console-kit. Console-kit is an application that keeps track who is logged in. Virtual-Terminal switching is being turned off in many newer distos. It needs to be explicitly turned on to use it now.

    Brad talked more about puppet. Puppet allows you to run the same command on multiple machines. For example, if you need a jpg on a specific machine in a server farm, you run the puppet master command on your designated controller and the command gets executed on all the machines in the group. Puppet is saving Brad and his company a lot development time.

    Dave D. mentioned that he purchased some Indy Games from humble indie bundle. The humble bundle generated $1M for charity.
    Linux Games
    ———–
    Indy game ( humble bundle.com)
    Amnesia the dark decent.
    Dragon Age.
    Infocom Games.
    Oregon Trail

    Brad has been using Suse Studio. To develop turnkey openvpn applications his customers can download.

    We also discussed on-line gaming. Recently a person purchased a virtual space station for $600K. The previous owner purchased the virtual space station for $200K.
    Pictures of the virtual space station can be found here.

    There was also a question about how to wipe disks and Brad posted a solution for this on the list serve.

  • August 2010 Meeting notes

    Posted on August 20th, 2010 T.K. No comments

    Dave B. had some questions about x509 certificates and how they work. In summary, Dave Dodge gave a short background on how x509 does. The talk then spawned into PGP and how key based encryption works.

    Using Verizon Action Tech as a bridge to reduce the performance bottleneck. According to Brad, when most cable modems refer to NAT but are actually doing PAT. PAT and NAT are better explained on wikipedia.
    PAT has limitations when you plug in a lot of devices. Thus, to him you get better results putting your cheap verzion action tech fiber modem in Bridge mode and run NAT on an open source router.

    Printer recommendations. Someone said the best printer is the one with the cheapest toner. Most printers are given away free, but the toner cost a fortune to replace. Thus, be weary of free printers.

    New file-systems: BTRFS and ZFS filesystem and Oc2fs.

    Using UPS bypass.

    Token ring networks.