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visits member for 1 year, 9 months
seen Apr 24 at 2:57
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Nov
23
comment what does “***” mean when traceroute
To add: Basically, if for whatever reason hop 30 came back with a response; then we would know we have at least 30 hops. (Ignoring any trickery)
Nov
18
comment Copy large files to multiple machines on a LAN
I actually have no experience with this @ZanLynx. I know that many offices/computer labs use consumer/unmanaged switches at the last hop. How will these switches behave with multicast?
Nov
18
comment Copy large files to multiple machines on a LAN
Disclaimer: This will require equipment that supports multicast.
Oct
25
awarded  Editor
Oct
25
revised How to extinguish a small fire in a server rack to minimize damage to surrounding equipment?
added 53 characters in body
Oct
25
answered How to extinguish a small fire in a server rack to minimize damage to surrounding equipment?
Oct
24
comment How to optimize TCP / IP stack in Linux?
Is this large number of connections on the stack causing slow downs for other services?
Oct
24
comment Create a raid 6 with 7 drives
This is probably not what you want to hear, but.. this really sounds like a question for EMC technical support. It also sounds like it would probably cost less money if you just bought another drive.
Oct
24
comment How is CPU processing speed reported in /proc/cpuinfo?
The model name is just text, it's not really "reporting" anything.
Oct
20
awarded  Critic
Oct
20
comment How do you make it obvious you are on a production system?
It's impossible to stop people from having a root shell. (sudo bash). You can get a root shell from any 'blacklist' setup. (If your careful, you can stop it with a whitelist setup, but it's typically not guaranteed. )
Oct
20
awarded  Commentator
Oct
20
comment How do you make it obvious you are on a production system?
I agree with John, but this is certainly something to think about.
Oct
20
comment How do you make it obvious you are on a production system?
Also, sudo already has plenty of configuration options. I would be surprised if you can't already do this. A custom sudo is terrible idea because it wouldn't be tested will enough to get the suid bit.
Oct
20
comment How do you make it obvious you are on a production system?
.. A different root password on prod machines? why didn't I think of that!?
Oct
20
answered How do you make it obvious you are on a production system?
Oct
19
comment Is my password compromised because I forgot to hit Enter after ssh username?
This is a really good question. I think we've all accidentally typed UsernamePassword into some sort of service at some point in time. It's far too easy to do.
Sep
19
comment Is Ping a reliable way to check if a server is available?
To add to MadHatter, it's often a good idea to do a ping and a request. This way you can know right away whether you're dealing with network connectivity or a service outage... Either one tends to create completely different things than the other.
Aug
24
awarded  Teacher
Aug
24
answered Why do we still have such small email attachment filesize restrictions?