Upcoming Events
Nov
20
Thu
2014
18:45 November Meeting 2014: Vulnerabi...
November Meeting 2014: Vulnerabi...
Nov 20 @ 18:45 – 22:45
This month we will be having a presentation on using metasploit for fun and profit. Jim will be presenting on his recent metasploit training and will give us usage cases, a run through of the[...]
Dec
18
Thu
2014
18:45 December Meeting 2014: Annual So...
December Meeting 2014: Annual So...
Dec 18 @ 18:45 – 22:45
This month will be our annual social. A location has been selected already, easy to get to for pretty much eneryone. More details will be provided once I have gotten the venue booked. This will[...]

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Archive for the ‘Training/Education’ Category

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Back in November or December I told the group about the LOPSA mentoring project and the call for volunteers at the community meeting at LISA. I believe that I had also stated that I had volunteered to be a mentor and I’m happy to announce that a project came up and that I have been matched up with someone who requires assistance with a backup system.

While we haven’t really started yet (this only just happened) I’m hoping that it will be a pleasant experience for both of us. Once the project is completed, I’ll post a note about the project and the solution used, as well as a link to software and the type of environment. I’m hoping it may make a useful talk for a meeting or at the very least an outline as to how we solved a technical problem. As it is a short term project, I’m hoping We will have it completed before the April meeting so I can at least report the success of the project.

For those who are unaware, the LISA 2010 conference registration has been opened. LISA 2010 Banner AdVisit the Usenix event page for detailed information and to register.

For the unknowing or uninformed, LISA is the big annual System Administration conference sponsored by Usenix. LOPSA has a hand in there as well. If you are really going to make this a career and not just a job, you should attend one of these conferences. Words do not really describe the experience. Ask Kelly some time.

To give you an idea of what is happening, this is the schedule for the week:

Saturday, November 6
5:00 p.m.–7:00 p.m. On-Site Registration and Membership Booth
6:00 p.m.–8:00 p.m. Welcome Get-Together and Conference Orientation
Sunday, November 7
7:30 a.m.–5:00 p.m. On-Site Registration and Membership Booth
9:00 a.m.–5:00 p.m. Training Program
9:00 a.m.–5:00 p.m. Workshop 1: Government and Military System Administration
9:00 a.m.–5:00 p.m. Workshop 2: Real-World Configuration Management
12:30 p.m.–1:30 p.m. Luncheon for Training and Workshop Attendees
8:00 p.m.–11:00 p.m. Board Game Night
Monday, November 8
7:30 a.m.–5:00 p.m. On-Site Registration and Membership Booth
9:00 a.m.–5:00 p.m. Training Program
9:00 a.m.–5:00 p.m. Workshop 3: Teaching System Administration
9:00 a.m.–5:00 p.m. Workshop 4: Security
12:30 p.m.–1:30 p.m. Luncheon for Training and Workshop Attendees
7:00 p.m.–11:00 p.m. Birds-of-a-Feather Sessions (BoFs)
Tuesday, November 9
7:30 a.m.–5:00 p.m. On-Site Registration and Membership Booth
9:00 a.m.–5:00 p.m. Training Program
9:00 a.m.–5:00 p.m. Workshop 5: Advanced Topics
9:00 a.m.–12:30 p.m. Workshop 6: Knowledge Management
12:30 p.m.–1:30 p.m. Luncheon for Training and Workshop Attendees
1:30 p.m.–5:00 p.m. Workshop 7: Identity Management
7:00 p.m.–11:00 p.m. Birds-of-a-Feather Sessions (BoFs)
Wednesday, November 10
7:30 a.m.–5:00 p.m. On-Site Registration and Membership Booth
8:45 a.m.–10:30 a.m. Opening Remarks, Awards, and Keynote
9:00 a.m.–5:00 p.m. Training Program
11:00 a.m.–5:30 p.m. Technical Program
Noon–7:00 p.m. Vendor Exhibition
12:30 p.m.–1:30 p.m. Luncheon for Training Attendees
5:30 p.m.–6:30 p.m. Exhibit Hall Happy Hour
6:30 p.m.–7:30 p.m. Poster Session
7:30 p.m.–11:30 p.m. Birds-of-a-Feather Sessions (BoFs)
Thursday, November 11
7:30 a.m.–5:00 p.m. On-Site Registration and Membership Booth
9:00 a.m.–5:00 p.m. Training Program
9:00 a.m.–5:30 p.m. Technical Program
10:00 a.m.–2:00 p.m. Vendor Exhibition
12:30 p.m.–1:30 p.m. Luncheon for Training Attendees
5:30 p.m.–6:30 p.m. Poster Session
6:30 p.m.–8:30 p.m. Conference Reception
8:30 p.m.–11:30 p.m. Birds-of-a-Feather Sessions (BoFs)
Friday, November 12
8:00 a.m.–noon On-Site Registration and Membership Booth
9:00 a.m.–5:00 p.m. Training Program
9:00 a.m.–3:30 p.m. Technical Program
12:30 p.m.–1:30 p.m. Luncheon for Training Attendees
4:00 p.m.–5:30 p.m. Closing Session

I have uploaded the config files I talked about during the meeting. These files make reference to some extra items such as greylisting and spamassassin, as well as the use of self-signed SSL certificates. You will notice a new menu item on the site under About called ovSAGE Downloads. Go there for the tarball which contains the default and production files as well as diff files for each pair.

The main documents for all of this are located on the CentOS website. The following items describe the docs and their locations:

  • If you are starting over, the basic postfix install document is located here: Postfix HOWTO
  • In order to do the greylisting under postfix, have a look at the Greylisting HOWTO
  • To get spamassassin running, you need the spamassassin rpm installed. There is a HOWTO on using it along with anti-virus software at PostfixMail.com. I believe I just installed the package, enabled it and ran the update rules script to get it working. This site is a little more ambitious.
  • One final item is creating and managing self-signed SSL certificates. I normally do this from the command line, but I had heard of a project for keeping track and managing them. It’s called tinyCA and you can find it at sm-zone.net. It uses  X-windows, so you will need to run it on one of your unix boxes. I can go over the usage next meeting after the presentation, but it is pretty straight forward and playing with it should work out OK. Don’t worry if you mess up at first, just revoke and delete any bad certificates. Unless you are a security paranoid and like generating certificates, make your certs longer than one year.

I think that covers everything. I am using all of the stuff we discussed to redo the ovsage mail server and provide authenticated SMTP from outside as well as secure IMAP access for my smartphone and laptop.

A future session will cover setting up squirrelmail as an SSL protected web front-end to your mailserver. As I have not installed this yet, I’ll probably do it live so you can all see it being done.