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'That VDSL Cat'
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#195388 18-Apr-2016 23:52
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So, kinda figured this would spur onto a few interesting stories on when everything just doesn't go well at all!

 

What stupid things have you done on your router, not realizing it would break things till after?

 

 

 

Ill start, I was messing around with router, since you know.. those things are fun to break! Somewhere I decided, hey playing with SARG would be interesting.

 

Pull the package down, let it run and go off to watch tv, forgetting how big my squid log (5.5G Apr 18 23:44 access.log).

 

 

 

Phone switched down to 2.4ghz, tried to regain an ip and strangely enough it couldn't get an IP. Of-course logic says hey the access point that is due to be thrown out is just acting up. Was not till i got back to my desk that i noticed bandwidth usage dropped suddenly. Squid had crashed! disk space full!

 

 

 

Having clicked on, kill -9 sarg, drop the package and delete the directory holding a ton of html files.. (2GB and counting... likely will be over the 15GB mark.)

 

come to realize, the rm -R is taking way too long here.. and there is a consistent gzip process going.... i had hit the compress on finish flag

 

 

 

The following script was happily running away as i was deleting:

 

 

#!/bin/sh
for a in `/usr/bin/find /usr/local/sarg-reports -cmin -180 -type d -mindepth 1 -maxdepth 1`
do
echo $a
/usr/bin/find $a -name "*html" | /usr/bin/xargs gzip
done

 

 

so it was simply replacing every item i removed with another compressed item!

 

 

 

Surely the take away here is, i dont have enough SSDs in the router to keep up with the IO right?





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Any comments made are personal opinion and do not reflect directly on the position my current or past employers may have.

 


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  #1535276 19-Apr-2016 00:30
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I just let my router do router things - found it works well :)

 

Except I have on many occasions put a Windows box without a firewall inside a DMZ to see how quickly it gets owned... Windows XP on average takes 1min 30sec. Now, stupid things with Linux is another story and even with me being fluent with Linux I do screw up and on one occasion I was not checking the aptitude output and removed linux-base on a production machine (one of my own) and rebooted only to find it didn't boot due to no kernel, and that is why we make backups.





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  #1535281 19-Apr-2016 01:06
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I disabled the HTTP access to a router and had to reset it as I couldn't connect to it anymore, it's one of these "Genius" Orcon ones.


 
 
 
 




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  #1535282 19-Apr-2016 01:16
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michaelmurfy:

 

I just let my router do router things - found it works well :)

 

Except I have on many occasions put a Windows box without a firewall inside a DMZ to see how quickly it gets owned... Windows XP on average takes 1min 30sec. Now, stupid things with Linux is another story and even with me being fluent with Linux I do screw up and on one occasion I was not checking the aptitude output and removed linux-base on a production machine (one of my own) and rebooted only to find it didn't boot due to no kernel, and that is why we make backups.

 

 

 

 

haha fair point, i use mine more as a toybox than a router to purely route.

 

 

 

I have actually been meaning to dedicate off That portion to another machine - Although what use would the SSD be then!

 

maybe i should have called it stupid *nix things you have done haha





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  #1535305 19-Apr-2016 07:50
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Well, if it's widening up to stupid *nix things:

 

1. As a wet-behind-the-ears support engineer in my first job, deleted all the CDRs off a certain mobile company's SMSC instead of moving them to a different directory as intended. Fortunately this was back in the day when the entire day's traffic was about 6,000 MO messages, but even so that was about $100K up in digital smoke

 

2. Much later, but same job, same mobile company: they had 3 pairs of prepay systems and one pair had a severe hardware fault on a SCSI card that was preventing the other server from taking over the disk array and restoring service. I shutdown both machines for power off (because you can't unplug that kind of SCSI powered on or you fry the interface cards). Hit return. Realise I just powered off a perfectly good pair, so now *two* thirds of prepay subscribers are off air, and those machines take about 30 minutes to POST. 

 

3. Needed linux to do something on my home PC one day so booted into it for the first time in a couple of years (that PC is mainly for games). Needed to update Ubuntu to do whatever it was I needed ... upgrade packages are no longer hosted in an unbroken chain because it's out of date. Download latest version for fresh install over the top. Don't read the install options quite thoroughly enough. Want it to completely overwrite the existing install. Instead, it completely overwrites the entire disk. Updated version of Ubuntu *still* can't do whatever it was I was trying to do in the first place...

 

 

 

3 was going to be a story about actually working for that mobile company and how we got the failing Auckland system to poison the Wellington system which was supposed to be standby for it, leading to a 3 day outage. But that wasn't really stupidity. Not even the vendor's experts expected it to do what it did. But it was still a fun 3 days.





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  #1535322 19-Apr-2016 08:42
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More of a physical "whoops" on a friends router.....   at a LAN, someone (not me!) opens bottle of coke and promptly knocks it over straight onto my mates router (which unfortunately was at floor level at the time). The coke drinker didnt say a word until we all start complaining the network is running like crap....  then hes like "oh. it *might* be because my coke got poured over the router". 

 

Thankfully my mate is an electronics engineer and managed to save the router after a bit of work and we got on with the LAN....





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'That VDSL Cat'
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  #1535821 19-Apr-2016 16:50
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xpd:

 

More of a physical "whoops" on a friends router.....   at a LAN, someone (not me!) opens bottle of coke and promptly knocks it over straight onto my mates router (which unfortunately was at floor level at the time). The coke drinker didnt say a word until we all start complaining the network is running like crap....  then hes like "oh. it *might* be because my coke got poured over the router". 

 

Thankfully my mate is an electronics engineer and managed to save the router after a bit of work and we got on with the LAN....

 

 

 

 

oh gezz, the stories to tell about LANs... Always something eventful! its half the fun of doing it with mates!





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Any comments made are personal opinion and do not reflect directly on the position my current or past employers may have.

 


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  #1536179 20-Apr-2016 02:05
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lNomNoml:

 

I disabled the HTTP access to a router and had to reset it as I couldn't connect to it anymore, it's one of these "Genius" Orcon ones.

 

 

I have a DSL-2540B somewhere that I "software modded" to remove the WebUI / Web Server only since otherwise it was exposed on a random port on the internet with no way of preventing (old software bug). If I was ever to change the user/pass for the connection I would have to telnet into the router to change these as there was no other way. I would assume there would have been a firmware fix for this however at the time I had to improvise since the Firewall on it kept resetting exposing ports.





 
 
 
 


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  #1536247 20-Apr-2016 08:58
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I did not even know you could 'do things' with a router at all, never mind silly ones.

 

I plugged it in according to Vodafone instructions and have never touched it since.






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  #1536256 20-Apr-2016 09:11
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turned it on





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  #1536264 20-Apr-2016 09:17
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Not that kind of stupid, but still pretty stupid. Converted an old WRT54GL with DD-WRT on it into a "Free Wifi" hotspot with no actual internet access that redirected all browser requests to a web page with an embedded auto-playing video of Rick Astley's Never gonna give you up. Surprising how many people connected to it.

 

Hmmm should dig it out again now that I'm in a different house/suburb.


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  #1536268 20-Apr-2016 09:19
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littlehead:

 

Not that kind of stupid, but still pretty stupid. Converted an old WRT54GL with DD-WRT on it into a "Free Wifi" hotspot with no actual internet access that redirected all browser requests to a web page with an embedded auto-playing video of Rick Astley's Never gonna give you up. Surprising how many people connected to it.

 

Hmmm should dig it out again now that I'm in a different house/suburb.

 

 

 

 

I like the marginally subversive nature of this! laughing






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  #1536269 20-Apr-2016 09:24
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littlehead:

 

Not that kind of stupid, but still pretty stupid. Converted an old WRT54GL with DD-WRT on it into a "Free Wifi" hotspot with no actual internet access that redirected all browser requests to a web page with an embedded auto-playing video of Rick Astley's Never gonna give you up. Surprising how many people connected to it.

 

Hmmm should dig it out again now that I'm in a different house/suburb.

 

 

 

 

That's genius.





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  #1536661 20-Apr-2016 14:25
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Maybe a bit OT and not in the same tech league as some posts above: a year or so ago we lived in Brighton Road and I changed our router SSID to "Bryton Massage & Escorts WiFi".

 

Not because we were 'running a business from home' (too old for that sort of business) but just due to my pathetic sense of humour and knowing the neighbours would wonder where it was coming from.

 

Have now moved house to the North Shore but have kept it running.

 

Prior to that we had 'CIA Surveillance Unit'.

 

Silly SSID's is probably a separate topic in its own right - I think it's been done on GZ before.





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  #1536676 20-Apr-2016 14:44
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I had the traditional 'It hurts when IP' and 'Girls join for free' on my guest access SSIDs for a while.





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'That VDSL Cat'
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  #1536684 20-Apr-2016 14:47
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eracode:

 

Maybe a bit OT and not in the same tech league as some posts above: a year or so ago we lived in Brighton Road and I changed our router SSID to "Bryton Massage & Escorts WiFi".

 

Not because we were 'running a business from home' (too old for that sort of business) but just due to my pathetic sense of humour and knowing the neighbours would wonder where it was coming from.

 

Have now moved house to the North Shore but have kept it running.

 

Prior to that we had 'CIA Surveillance Unit'.

 

Silly SSID's is probably a separate topic in its own right - I think it's been done on GZ before.

 

 

 

 

The boring thing about being back out in the rangers... SSID naming is purely an inside joke for people who actually enter the property! 

 

 

 

While i was in suburbia, i was in a prominently elder aged area. so again SSID changing was hardly any fun! just a PITA to update every device.. 





#include <std_disclaimer>

 

Any comments made are personal opinion and do not reflect directly on the position my current or past employers may have.

 


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