Wouldn't it make sense to start using some kind of public key infrastructure to keep spam zombies at bay? For example, if I have a business email server, I likely already have SSL certificates on it for SMTPS and IMAPS, next I would had a policy to accept emails from servers signed by Verisign, et al, and quarantine those emails that came from unverified signers. It doesn't cost much to create an SSL certificate and anyone who's got a secure website has already been thru the process.
This also extends to multiple levels of authentication: - Residential customers could purchase a certificate if they wanted to operate email from their own residential gateway. - Residential customers using their ISPs gateway would be sending thru the ISPs certificate, and possibly their own GPG key|MIME cert as well. - Compromized certificates have revocation certificates published promptly by ISPs or Customers that get rooted. - Abused certificates that don't get revocations published can get blacklisted with existing blacklist infrastructure
If ISPs start blocking emails that aren't signed or don't come from a signed server, then people will start getting their servers signed.
Of course, the same amount of security precautions you'd take with your existing digital identities would have to be put towards your email certificates. If someone steals your websites SSL certificate, or your GPG keys, or your SSH keys, you better hope that they've been password protected!
You may argue this doesn't make sense for grandma and grandpa, but for a business setting, maybe it should be SOP. Many businesses already manage public keys for employees, and the number is growing.
I appreciated learning to cut down on my posessions. Were I to go into a dorm again: - one used laptop, covered with stickers--make it unique looking so it looks even more used and less appealing to take - one used desktop machine, if you really want a second machine. Useful for programming doing backups too or practicing your daily linux install - no expensive stereo equipment, small is better, headphones a must, used looking is best - no expensive musical instruments or cameras - no CDs. I had $2k of CDs ripped off. Not only that--they weighed a ton.
Basically: less is more. I moved lugged so much crap up and down four and five story buildings a few times a year, I appreciated packing light.
I lost way too much data in college because I loved to fsck with my equipment. Any doubt about if it's worth keeping: back it up--media is super cheap these days.
You will find that you can go very far with used equipment--people don't typically want to take anything that looks used, covered with tape, or missing it's cover. If you're paying for it yourself: go used. Save your cash for other stuff. (When you go professional, then start spending money on yourself.)
The same goes for bikes too: if you love your bike, if it's a brand new present or what not--throw some duct tape on it and no one will touch it. They will steal your brakes, your seat and deffinitely your saddlebags.
As for taking your laptop places: don't leave it out of your reach. When I go on trips with a laptop, I keep in in a (non-laptop) satchel, and don't take the satchel off. You might be frustrated by a possible cafeteria policy, cafetterias often don't allow you to bring your backpacks inside (they don't want you taking out tons of food)--but if you leave your backpack at the door IT WILL GET STOLEN. I turned a punk on my hall in when I heard him bragging about how he stole a backpack in front of his girlfriend. People take backpacks. Don't leave yours sitting around.
As for your work: I've had people plagerize my papers, and steal them outright. One time a woman down the hall from me asked to read over a paper I wrote, and gave it back to me the next day with my name whited-out and her name written over it. Don't let your printouts wander off.
I agree that the K1000 is one of the classic VW's of photography. However, a K1000 will run you between 180-200 bucks, and for no convenience. I chose a Pentax ZX-M because it essentially the same thing but has an easier to use TTL meter and auto wind and a timer. I don't remember my K1000 having a timer, maybe it never worked. ZX-M will run you ~140 bucks, and very easy to shop for--just pick up any photo magazine and flip to the back.
I would not suggest getting an 28-80 Tamron zoom, mine didn't hold up. I'm happy with my Sigma 28-105, and it's nice because it opens up to 2.8, making it faster than most 28-80 zooms. I also have a Pheonix 19-35mm wide angle, and a Super Takumar 50mm f/1.4 lens which is really good compromise for indoor portraits without a flash. Look for a separate flash unit.
If you weaken further, I think the ZX-60's sell for 120-130 bucks and have auto settings, and built in flash, and auto focus.
If you want your kid to really get into it, buy them 100' of tmax 400 film and a book on how to develop film and print photos, and they'll certainly learn something.
In _Built to Last_, which discusses this subject quite a bit, it relates that companies with cult-of-personality leaders often thrive at the cost of the development of the company as a whole. Corel, minus Cowpland, might be better off without him becuase the company would be forced to operate as a team, reinvent process, and promote from within...making it a stronger company.
Well, I read an article in LinuxJournal on HA Linux. It basically consisted of N linux boxes connected to a common router. The router, of course, was the link to the outside. However, the router was also the most important part; it was configured such that if one of the servers went down it would forward all requests to the remaining N-1 servers. There was also some nifty tricks with DNS with this setup which I don't remember. Goto the LinuxJournal website and search thru their articles. Possibly you gould get more info from the author!
Slashdot Mirror
I took some classes taught by Allen Holub. Very smart guy, and I certainly enjoyed his book.
He provides good solid explanation on functional models for queue design and listener patterns. He also discusses some pitfalls of threads in Java.
http://www.holub.com/training/java.threads.html
http://www.amazon.com/Taming-Java-Threads-Allen-Holub/dp/1893115100
Wouldn't it make sense to start using some kind of public key infrastructure to keep spam zombies at bay? For example, if I have a business email server, I likely already have SSL certificates on it for SMTPS and IMAPS, next I would had a policy to accept emails from servers signed by Verisign, et al, and quarantine those emails that came from unverified signers. It doesn't cost much to create an SSL certificate and anyone who's got a secure website has already been thru the process.
This also extends to multiple levels of authentication:
- Residential customers could purchase a certificate if they wanted to operate email from their own residential gateway.
- Residential customers using their ISPs gateway would be sending thru the ISPs certificate, and possibly their own GPG key|MIME cert as well.
- Compromized certificates have revocation certificates published promptly by ISPs or Customers that get rooted.
- Abused certificates that don't get revocations published can get blacklisted with existing blacklist infrastructure
If ISPs start blocking emails that aren't signed or don't come from a signed server, then people will start getting their servers signed.
Of course, the same amount of security precautions you'd take with your existing digital identities would have to be put towards your email certificates. If someone steals your websites SSL certificate, or your GPG keys, or your SSH keys, you better hope that they've been password protected!
You may argue this doesn't make sense for grandma and grandpa, but for a business setting, maybe it should be SOP. Many businesses already manage public keys for employees, and the number is growing.
You may flame now....
I appreciated learning to cut down on my posessions. Were I to go into a dorm again:
- one used laptop, covered with stickers--make it unique looking so it looks even more used and less appealing to take
- one used desktop machine, if you really want a second machine. Useful for programming doing backups too or practicing your daily linux install
- no expensive stereo equipment, small is better, headphones a must, used looking is best
- no expensive musical instruments or cameras
- no CDs. I had $2k of CDs ripped off. Not only that--they weighed a ton.
Basically: less is more. I moved lugged so much crap up and down four and five story buildings a few times a year, I appreciated packing light.
I lost way too much data in college because I loved to fsck with my equipment. Any doubt about if it's worth keeping: back it up--media is super cheap these days.
You will find that you can go very far with used equipment--people don't typically want to take anything that looks used, covered with tape, or missing it's cover. If you're paying for it yourself: go used. Save your cash for other stuff. (When you go professional, then start spending money on yourself.)
The same goes for bikes too: if you love your bike, if it's a brand new present or what not--throw some duct tape on it and no one will touch it. They will steal your brakes, your seat and deffinitely your saddlebags.
As for taking your laptop places: don't leave it out of your reach. When I go on trips with a laptop, I keep in in a (non-laptop) satchel, and don't take the satchel off. You might be frustrated by a possible cafeteria policy, cafetterias often don't allow you to bring your backpacks inside (they don't want you taking out tons of food)--but if you leave your backpack at the door IT WILL GET STOLEN. I turned a punk on my hall in when I heard him bragging about how he stole a backpack in front of his girlfriend. People take backpacks. Don't leave yours sitting around.
As for your work: I've had people plagerize my papers, and steal them outright. One time a woman down the hall from me asked to read over a paper I wrote, and gave it back to me the next day with my name whited-out and her name written over it. Don't let your printouts wander off.
I agree that the K1000 is one of the classic VW's of photography. However, a K1000 will run you between 180-200 bucks, and for no convenience. I chose a Pentax ZX-M because it essentially the same thing but has an easier to use TTL meter and auto wind and a timer. I don't remember my K1000 having a timer, maybe it never worked. ZX-M will run you ~140 bucks, and very easy to shop for--just pick up any photo magazine and flip to the back.
I would not suggest getting an 28-80 Tamron zoom, mine didn't hold up. I'm happy with my Sigma 28-105, and it's nice because it opens up to 2.8, making it faster than most 28-80 zooms. I also have a Pheonix 19-35mm wide angle, and a Super Takumar 50mm f/1.4 lens which is really good compromise for indoor portraits without a flash. Look for a separate flash unit.
If you weaken further, I think the ZX-60's sell for 120-130 bucks and have auto settings, and built in flash, and auto focus.
If you want your kid to really get into it, buy them 100' of tmax 400 film and a book on how to develop film and print photos, and they'll certainly learn something.
--jed
In _Built to Last_, which discusses this subject quite a bit, it relates that companies with cult-of-personality leaders often thrive at the cost of the development of the company as a whole. Corel, minus Cowpland, might be better off without him becuase the company would be forced to operate as a team, reinvent process, and promote from within...making it a stronger company.
It wasn't really a movie about hacking so much as a hero-spy drama and had a bit to do with cryptography.
Well, I read an article in LinuxJournal on HA Linux. It basically consisted of N linux boxes connected to a common router. The router, of course, was the link to the outside. However, the router was also the most important part; it was configured such that if one of the servers went down it would forward all requests to the remaining N-1 servers. There was also some nifty tricks with DNS with this setup which I don't remember. Goto the LinuxJournal website and search thru their articles. Possibly you gould get more info from the author!