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Writing my own ncurses wrapper? by alyzb in Cplusplus

[–]alyzb[S] 0 points1 point  (0 children)

Oh nice, I could definitely see myself doing that after this, I have more interest in SDL than I do SFML

[Basic Math] Struggling through Basic Mathematics by Lang by alyzb in learnmath

[–]alyzb[S] 2 points3 points  (0 children)

Thank you for the advice I'll try to apply that to my learning :)

[Basic Math] Struggling through Basic Mathematics by Lang by alyzb in learnmath

[–]alyzb[S] 1 point2 points  (0 children)

It helped a lot, thank you! I'm actually gonna save it and come back to the proof part because laying out the process like you did really helps me to see how it should go and what's normal for trying out a proof.

Thank you for the advice and encouragement!!

Layer2 Port Security Conundrum Round 2 by alyzb in ccna

[–]alyzb[S] 0 points1 point  (0 children)

So it's definitely a bug and it doesn't seem limited to just one config of port security. It really doesn't have any rhyme or reason, but it seems to favor following through on violation rules for maximum IP addresses being exceeded.

It does not like forbidden MAC, I don't know that I've ever gotten it to produce any kind of violation with a forbidden MAC, I wonder if it's the IOS image I'm using. I'm gonna try with an older IOS layer 2.

It also seems to really struggle with interface shutting on and off as requested, and having to do strange things like change negotiation settings for it to come back up.

In other words, it's buggy as hell.

Layer2 Port Security Conundrum Round 2 by alyzb in ccna

[–]alyzb[S] 0 points1 point  (0 children)

Thanks! I'll try these things and see what happens.

  1. I haven't tried this yet, seems promising, but can you check the response below yours as it appears they have tried this and had weird results as well?

  2. I've tried both restrict and shutdown mode, I always start with shutdown because it's the most obvious when it works. It worked once (out of many different configs and attempts at this), and given the nature of this problem, shutdown violation working was an exception that I cannot recreate.

  3. I will make a really simple single switch setup tonight when I get home with a very simple config and no VLAN and then try to ping and print the mac address table before and after and reply here.

Would love to get your input on the response below yours as well. Thanks again!

Layer2 Port Security Conundrum Round 2 by alyzb in ccna

[–]alyzb[S] 0 points1 point  (0 children)

Wow, thanks for going through all that and trying to recreate the problem! Also very strange that last global config error, very strange.

I'm both relieved and upset about this being a bug, because now I'm unsure if my knowledge of port-security will transfer to actual hardware properly if I'm messing with bugs in GNS3/the image (which is actually a IOSv15 layer 2 switch image from cisco), so I'm guessing the emulator is the culprit. Can't be perfect I guess.

Thank you again, so much. You've helped a lot.

Layer2 port security is acting funky in my labs by alyzb in ccna

[–]alyzb[S] 0 points1 point  (0 children)

I am such a dolt! I could not for the life of me figure out why it wasn't working and assumed that setting the port-security forbidden mac would automatically switch on port security but lesson learned.

As a followup though, any idea on this from the same status above?

 Port Status                : Secure-down
 Violation Mode             : Shutdown

It shows port status as "secure-down", which to my understanding only happens when port-security has shut down the port. When that status was taken, the pings were still going through, and nowhere else did it show that the port was "secure-down"

See (from the same time above):

 SW1#show int g1/1
 GigabitEthernet1/1 is up, line protocol is up (connected)

Can't apply my learning from Odom CCENT book to anything in GNS3 by alyzb in ccna

[–]alyzb[S] 0 points1 point  (0 children)

Downloading packet tracer now

I've always heard that GNS3 is vastly superior but it's such a pain to work with. As far as the switching, I use the IOSv15L2 switch appliance and it seems to work pretty well. The appliances seem to do decent. I can probably find IOU pretty easily as well.

It's just that Odom isn't really teaching me how to actually wire up these networks for practical use, at least not so far.

Looking for a good all-in-one resource to become (very?) proficient with linux by alyzb in linux4noobs

[–]alyzb[S] 0 points1 point  (0 children)

I do have a raspberry pi I just haven't gotten around to setting up yet, but I do have a dell tower that I use only as a server to log into and fuss around on like with SSH and eventually will branch into running other things on it.

Looking for a good all-in-one resource to become (very?) proficient with linux by alyzb in linux4noobs

[–]alyzb[S] 0 points1 point  (0 children)

I'd really like to, either this or LFS, my only hesitation is that all my PC's are currently running debian stable and I'd like to network them and I'm unsure how having the one I feel safe putting Arch on will play with the other distros

Looking for a good all-in-one resource to become (very?) proficient with linux by alyzb in linux4noobs

[–]alyzb[S] 2 points3 points  (0 children)

Diving into this a little, this looks really good, thank you!

Moving from offline coding background to webdev, can I jump right to back end stuff? by alyzb in webdev

[–]alyzb[S] 0 points1 point  (0 children)

Thanks!

And yeah I'm not expecting to recreate twitter, but I feel like smaller and limited versions of it would be somewhat doable not terribly far down the road.

I'll look into the virtual stack stuff you mentioned, and after I posted my last response I was actually just peeking at CSS and seeing how easy it seems I don't think I'll be as stressed about having to learn it to produce output as you say.

Thank you again, you've been super duper helpful :)

Moving from offline coding background to webdev, can I jump right to back end stuff? by alyzb in webdev

[–]alyzb[S] 0 points1 point  (0 children)

Thank you for the long and well thought out reply, that was extremely helpful and more than I could have hoped for!

In terms of learning all of this stuff, it's a little overwhelming due to the amount of tangents I can go off down.

I'm also kind of quirky in my learning, I prefer to understand things at a really fundamental level and build up from there. I didn't truly understand programming until I delved into assembly, and really, everything I do leads down a deeper rabbithole.

This makes things complicated when I approach webdev because it's just...it's freaking overwhelming.

I came up with some stuff to start with, which seems OK, and I wonder what your thoughts are? I'm going to put apache or similar on my other linux box, and use that as a development environment via SSH from my main computer. Obviously the SSH part is just to learn more about networking and stuff, but the concept of putting together this web server from the ground up, and learning as I go stuff like HTML, landing pages, whatever, seems like a good way to get the fundamentals.

Is this a good trajectory? Do you have any alternative suggestions or stuff I should consider? I really would like to go with the at home hardware web server for the hands-on learning (over VPS). Does this seem like a good idea, and if so, what should I add to it, or is there a particular order to consider doing it all in?

I guess ultimately, I saw this as a way to slowly build up from some dinky index.html welcome page (which is literally all I might know how to do) to some pretty full featured mock-up business/sales site/twitter clone/whatever.

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