Cloud Computing :: Use External Computers To Do Super Computer Sized Tasks

May 6, 2008

I just heard this story on NPR yesterday discussing cloud computing, how you can use external computers to do super-computer sized tasks without having the hardware in house yourself.

If we host colocated servers, how feasible is it to get our servers into that game?

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Cloud Computing, Is That Where Everything Is Going To Be In 10 Years?

Aug 23, 2008

ive been hearing about this from everyone, do you think in 10 years, thats where everything will be? lots of hardware cost for web hosts going away?

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Cloud Computing Service

Aug 8, 2008

Anyone have used these survices such as one from Joyent and Mosso. Are there any limitation in using their kind of servers as opposed to using regular dedicated server?

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Cloud Computing Providers?

Jun 20, 2008

Amazon EC2 is one.

Are there any other known major per hour or whatever utility based providers?

Also, is this the route one should go if they're looking for a cheap dedicated server solution?

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Information About Cloud Computing?

Sep 16, 2009

What is best source of information about cloud computing?

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More Than 5 Hour Downtime For Softlayer Cloud Computing

Oct 3, 2009

Today, The Cloudlayer Instance we are having with Softlayer has faced a major downtime. At the time of writing this post, the service is down (5.30 hour already).

The support staff hasn't provided much information about the reason for downtime.

They say, the power failed in server room #5 for Dallas. The power was restored soon, but i don't see the CloudLayer Instance coming up even after 5 hours.

Having account with Softlayer for more than 2.5 years, i have been very happy with their team and their network, but more than 5 hour downtime and still the support not offering any ETA, is making me think of shifting to some other provider.

I am not much aware of Cloud Computing Instances and how much time they would need to come back online. But, i don't think it should take so much of time.

I am still waiting for the service to be restored. I guess some other members on WHT may have also faced the trouble today.

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Cloud Computing On Real Dedicated Server?

Jul 3, 2008

I noticed some cloud computing service providers, like, amazon, gogrid, etc. are all based on XEN server, is there any provider offers cloud computing on real dedicated server?

another question is, anyone knows the difference between traditional cluster and cloud computing. I did not see big difference based on their own description.

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Moving Data Between Computers

Sep 9, 2009

I made a backup of my ancient computer and put the whole thing in an external hard disk.

Now, when I opened my external hard disk, I found a lot of .dat files. I am wondering how can I convert them to something human readable, or how can I move the information to my new computer!

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Why Can't I Get To My Webpage From Other Computers On The Internet

Jul 23, 2009

so i already have a registered domain name (www dot guiceassociates dot com) which has a DNS record with an authoritative DNS server linking my domain to my IP address 70.91.50.213 (nslookup using "www dot guiceassociates dot com" or "www dot guiceassociates dot co dot uk" will confirm this).

I have a linux computer(it is successfully running apache, php5, and mysql, and the firewall has http services as an allowed service) that i am using as my webserver. i have statically assigned it the ip address 192.168.200.3

My router is configured to forward port 80 traffic to 192.168.200.3
however, when i type www dot guiceassociates dot com into a browser window from another computer, i get nothing (cannot connect to server)

I'm still new to the idea of hosting my own web server, so any and all advice is welcome, but my ultimate question is:

why isn't this set up working?

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How Do You Protect Your Laptops Or Desktop Computers

Oct 24, 2007

I wonder how do you protect your laptops or computers? Which software are used etc. That will be very interesting to know.

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Apache :: Unable To See Symlink From Other Computers

May 12, 2015

I installed Apache2. In the the folder "var/www/html" I created a symlink to a different HDD that holds a number of movie files. My thinking is that it would be easy to access the movies through a browser from any computer on my local network.

I used the following command string while in the html directory, and created the symlink:

ln -sd /media/guy/movie1/Movies test

While sitting at the server, when I click on "test" it opens the correct directory and exposes the files. If I surf to apache from another machine it does not show the symlink.

Here the permissions on the symlink

lrwxrwxrwx 1 root root 24 May 11 19:56 test -> /media/guy/movie1/Movies

Excerpt from Apache access log:

192.168.1.158 - - [12/May/2015:08:40:07 -0400] "GET /favicon.ico HTTP/1.1" 404 502 "-" "Mozilla/5.0 (X11; Linux i686; rv:24.7) Gecko/20140802 Firefox/24.7 PaleMoon/24.7.1"
192.168.1.158 - - [12/May/2015:08:40:07 -0400] "GET /favicon.ico HTTP/1.1" 404 502 "-" "Mozilla/5.0 (X11; Linux i686; rv:24.7) Gecko/20140802 Firefox/24.7 PaleMoon/24.7.1"
192.168.1.158 - - [12/May/2015:08:40:07 -0400] "GET /favicon.ico HTTP/1.1" 404 502 "-" "Mozilla/5.0 (X11; Linux i686; rv:24.7) Gecko/20140802 Firefox/24.7 PaleMoon/24.7.1"
192.168.1.158 - - [12/May/2015:08:50:38 -0400] "GET / HTTP/1.1" 200 584 "-" "Mozilla/5.0 (X11; Linux i686; rv:24.7) Gecko/20140802 Firefox/24.7 PaleMoon/24.7.1"
192.168.1.158 - - [12/May/2015:08:50:39 -0400] "GET /icons/blank.gif HTTP/1.1" 304

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Distributed Computing For Dedicated Servers Possible?

Jan 10, 2009

if you have a dedicated server, is it possible to let anyone become part of your dedi server using a software d/l?

eg: You put an app on your site for users to download,users download and run it, so now their internet connections become part of ur dedicated server, so when people access ur website, some data is downloaded from ur dedi server, and some data and cpu usage is used from the user's net connections who downloaded and are running the app.

Any commercial/open source software like this that lets website visitors become part of ur server?

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Super Green Hosting ...

May 7, 2009

I registered with www DOT supergreenhosting DOT com

The website I am hosting is for a business we just started, that is an Organic Orchard and we will ship produce to people. I chose Super Green for various reasons:

Good, cheap hosting plan.

Good reviews, from what I found online.

"Green" (although not really too green, but it would help our business image to claim we're hosted on "Green servers")
Free domain name.

So, I thought to myself, "Ok, this is who I want to go with"

I wanted to use the 36 month plan, which is $3.95 a month.

First off, I decided to test their customer service, so I began a live chat with a representative. There will always be, "1 person ahead of you, a representative will be with you shortly" bot auto response. Then, an autoresponse saying something like, "Hello, bla bla bla, how can I help you?" (Then normally a real person will say something after that)

My first question was how the billing worked. If I chose the $3.95 a month plan, will the first initial payment be just that? Just $3.95, and will I be charged $3.95 a month for every month after that for 36 months?

I was told, "Yes", that was how it worked.

So I go to register, I fill out the information, put in the card info and hit "Continue".

I was charged $142.20 or something, the entire amount! Not what I was told just moments before. I go back to live chat, and of course it is someone new now. I explain to them that the person before had given me mis information about the billing, and he just said, "You have to pay for it all up front", which was NOT at all what I was previously told.

So we're off to a bad start here.

The account activation is supposed to be "Instant". Here I am, two days later and I have yet to receive any more information about the account. Yesterday I got on their "Live Chat" again, and explained the situation. I was told that billing does not work 24/7 and the status of the account was "pending". Billing? the money is already gone! I've been "billed".

So, my question is this: Does anyone here have any experience with this host? www DOT supergreenhosting DOT com

Good, bad, what? I'm pretty bummed out about all of this. My employer is paying for all of this, and i'm doing the work for him. I feel like i'm getting the run around, and I don't know what to tell him other than try to insure him that its a legitimate company and we should receive the hosting details soon.

Sorry for such the long, rambling post. New member so I can't link you with URLS.

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Low Bandwidth - Super Low Ping

Jul 28, 2008

for a server to run a lightweight game server. It will require about 15-20KB/sec bandwidth. Fairly low ram requirements, and very little disk requirements.

My issue is, i need it to have VERY VERY low ping rates. Users will be connecting from Europe and US. Where can i go for something that would fill these needs? I've tried Amazon EC2, but its flaky sometimes..

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Super Weird Connection

Jan 12, 2007

I have a VPS and I host 3 sites on it.

2 sites load perfectly fast, and 1 site loads.. 7 seconds slower.. ( estimate time ). When I asked some other ppl to load the site, 95% said it loads fast and 5% said it loads slow.

And no it's not the isp, the one person who has the same isp as me said it loaded fast no problem.

This is really strange.. anyone have a possible resolution?

Server CPU is at 0.10, and running smoothly.

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Protect Your Password In A Cyber Cafe And On Public Computers

Jun 30, 2009

Sometime you must have gone to a cyber cafe or used public computers to access the internet or mail.

Public computers are most prone to password hacking. Anyone can simply install a keylogger software to hack your password. Keylogging is one of the most insidious threats to a users personal information. Passwords,credit card numbers,etc.

It is very easy for the keylogger to harvest passwords. Each and every keystroke (whatever you type on the keyboard) gets recorded in the keylogger software and the person installing it can easily view what you have typed in.

For example,if you go to hotmail.com and check your mails. Say your ID is aaabbbccc@hotmail.com and password is snoopy2,the keylogger software records your usename and password in its log file as

www.hotmail.comaaabbbccc@hotmail.comsnoopy2

Risky isnt it?

Theres a solution to this problem and you can easily fool the software!!

The keylogger software sees and records everything,but it doesnt understand what it sees,it does not know what to do with keys that are typed anywhere other than the password or user name fields.

So between successive keys of the password if you enter random keys,the keylogger software wont ever come to know where you typed in what..

In the process of recording the keys,the string that the keylogger receives will contain the password,but embedded in so much random junk that discovering it is infeasible.

So...

1. Go to hotmail.com or yahoo.com or any other site where you need to insert a password or PIN.

2. Type in your user ID.

3. Type in the first characterof the password.

4. Click on the address bar in the browser,type in some random charachters.

5. Again go to password field and type in the second character of the password and probably third too.

6. Again go to the address bar and type in a few more random characters.

7. Back to the password field and the next characters of the password.

Keep on repeating the process till you type in the full password in the password field.

Instead of the password snoopy2,the keylogger now gets:
www.hotmail.comspqmlainsdgsosdgfsodgfdpuouuyhdg2

Heres a total of 26 random characters have been inserted among the 7 characters of the actual password!

No doubt it takes a little bit of more time than the usual process,but you are safe and secure that way!

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[Review] Super Special Servers

Dec 6, 2008

[Review] Super Special Servers

Well, this isn't so much of a review as me saying what's happened in the last week since I ordered a server from them.

November 29th- Ordered a server, expected 2-3 days till my server was up. It turned out to be 2-3 business days (M-F). This, I admit is my fault for not reading carefully. A few more days, I did not mind.

I also submitted a ticket requesting more information on delivery dates and they said that my server would be up in 1-2 days.

December 2nd- I submit a ticket (Tuesday) just checking that they still remember by server. It's fine, they give me information on how their process works and why it may take up to three days.

December 3rd- It's now been 3 days, so I submit a ticket. I get a reply saying that it will be up tomorrow.

December 4th- Still no server.

December 5th- Still no server.

So basically, now I'm just hoping that I will get this server within the next little while before all of my players (I'm using this to run a web based game) disappear from the 2 day downtime so far.

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Top-notch, Super Support Server

Mar 7, 2008

This is an important project so I need 100% uptime, high quality host, with very good support.

Which host is the leader in highest-quality dedicated servers and support?

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Review: Corenetworks.net -- Super Cheap Dedicated Servers

Apr 26, 2008

I thought I would write a quick review of Corenetworks.net!

I've had a server at Core networks for about a year now, and have worked with support as well as billing.

Support
Lets start off with the most important thing, support. I am not one to need hand-holding from support, but every once and a while I need things like IP-KVM access, hardware upgrades, hardware replacements, etc. I've put in four requests for IP-KVM access via their ticketing system since I started hosting there, and each request was fulfilled within 30 minutes. I have to admit that 30 minutes is impressive for a dedicated hosting company. It must be remembered that they are unmanaged hosting, and managed hosting services cost extra. I find this scenario fits most technical people well because more resources are put into *real* requests such as hardware, kvm, etc instead of resources being used for hand-holding (i lost my root password, my apache process is not starting, etc)

Hardware
The price compared to the hardware you get is exceptional. A lot of hosting company's out there will push overused hardware on you. (some larger companies reuse hard drives over and over, check the smart drive lifetime with smartctl) The hard drive I was provided had a usage time of 3 months. That is VERY good compared to the average active drive life time at other hosting providers of 2-4 years. The hardware has been reliable and fault free (i have 2 machines now with no problems)

Uptime
This is the greatest part, every other budge dedicated hosting provider i've been with has had horrible power (sometimes reboots every few days, and the occasional downtime of a few hours) I have not had a single power outage or reboot since I first started at core networks! One of my severs has an uptime of 355 Days.

Network
The network is not blazing fast... with the package I got. I decided on the metered 3Mb connection (no extra cost) There is also an unmetered connection with a bandwidth limit, if anyone can chime in on this it would be great . I do know that I have always had a 3Mb full pipe on this plan (up and down) which is more then enough for my hosting purposes.

Features
Core networks has all of the features of the big-boys: Remote power management, bandwidth mrtg graphs, network status page, Free IP-KVM, etc.

Cost
The company does utilize it's cheaper servers as a bargaining tool for sales. It seems they unleash their $24/mo servers for a week or two to drive sales and then mark them as sold out. Currently I have the $49/mo servers (with a bit extra oomph) and I am ecstatic with the price. If you can catch the $24/mo servers, get them when you see'em!


Overall
Overall I would recommend corenetworks.net to anyone who is seeking a quality server for personal use or small business use. I am not sure how the service would meet enterprise level businesses, but they do have more expensive plans and I see no reason those would suck.

"Offical, im a reviewr score": 9 out of 10'

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Plesk 11.x / Linux :: Hidden (Super) Master For A Domain

Jun 26, 2013

I've been trying to configure Plesk as a hidden (super) master for a domain and I've run into some problems.

First off, for those who don't know, a hidden master is a nameserver that is actually the master server, yet does not list in the NS records of the domain.

The servers listed as NS in the zone have accepted the server as their master, but the rest of the world does not know it exists. Hence the term hidden master. The slaves consist of two PowerDNS servers that acknowledge the Plesk server as a supermaster, thus enabling automatic zone configuration and the like upon receiving a notify from the Plesk server.

However, the Plesk server refuses to send automatic notify messages to the slaves (listed in the NS records, also added to the ACL / transfer restrictions template). When requesting an AXFR by hand the Plesk server happily transfers the requested zone to the PowerDNS slaves, but upon changing the zone files through the Plesk panel's DNS management system, no notify goes out to the slaves, which thus don't know anything has changed. I've tried adding an also-notify clause to named.conf (which was suggested elsewhere), but it appears Plesk overwrites the entire named.conf upon zone changes, thus erasing the also-notify clause, subsequently refusing to send out a notify.

Further research into the workings of Bind (the nameserver used by Plesk in this setup) suggests that, by default, it should send notify messages to all servers listed in the NS records part of a given zone. This is clearly not the case in this particular setup, but I can't seem to find where exactly notify messages have been disabled (there is no mention of notify in named.conf).

My questions therefore are:
1) Why doesn't Plesk / Bind send automatic notify messages to its slaves, which is the default behavior of Bind? Where and how has this been disabled?
2) Should 1 turn out to be impossible to fix, how do I override named.conf on a per-domain basis?

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./mysqladmin: Can't Turn Off Logging; Error: 'Access Denied; You Need The SUPER Privi

Dec 10, 2008

I am running ubuntu 8.10 installed mysql 5.1.30 from source. i am trying to change passwords for some of the users but I keep getting the error listed in the title. Does anyone know whats going wrong ?

Code:
.mysqladmin: Can't turn off logging; error: 'Access denied; you need the SUPER privilege for this operation'

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Scheduled Tasks For .aspx Files

Oct 26, 2009

How to execute specific .aspx file in scheduled task in win 2003 server or how to Create Scheduled Tasks for .aspx Files?

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Creating/Managing Cron Tasks With PHP

May 7, 2009

I want to create a simple PHP script to manage cron jobs. Say I want to create a front end like a control panel.

I know, many of the WHT members are using custom coded control panels, and surely they have implemented this already.

What is the right approach to do it ?

- Using exec() function and execute commands

- Write directly to /var/spool/cron/<username>

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Plesk 12.x / Linux :: How To Create Two Backup Tasks

Nov 6, 2014

I see I can only create a single backup task in plesk, server self repository or ftp repository.

My idea is duplicate backups inside and outside of my vps, I mean, I want to create a backup task in my vps and in my own ftp server.

It is possible?

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Plesk 12.x / Linux :: Scheduled Tasks Not Working?

Feb 4, 2015

I have created a scheduled task as per my application guide as in the attached file. When i recieve the email it says the following:

: /var/www/vhosts/testdomain.co.uk/clients/admin/cron.php: No such file or directory

i have also tried appending:

php -q
wget -O (using the http to the location to cron.php)

Nothing seems to work.

I have transfered from cpanel and this is my first scheduled task and not getting anywhere with very little information on how to do this.

Im running:

Plesk 12
Linux

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Plesk 12.x / Linux :: Scheduled Tasks Not Accessible

May 28, 2015

after creating a new cron job, when i try to open Scheduled Tasks i get this error :Internal error: DateTime::__construct(): Failed to parse time string (2015-05-28 0.12:0:37) at position 17 ): Unexpected character

Message DateTime::__construct(): Failed to parse time string (2015-05-28 0.12:0:37) at position 17 ): Unexpected character
File Helper.php
Line 143
Type Exception

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Plesk 12.x / Linux :: Scheduled Tasks Always Fail?

Feb 17, 2015

Whenever a user in my Cloudlinux powered Plesk Panel 12 tries to use the scheduled tasks, this is the error that is emailed to them...

excel: couldn't exec `/usr/local/psa/bin/chrootsh'
excel: No such file or directory

Does not matter what the task is, same error every time.

Even something as simple as wget [URL] .....

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Which CPU For Web Server Tasks? Higher Clock Speed Or More Cores

Jan 8, 2009

which type of CPU would be better for a web server that will run Windows, PHP, ColdFusion, mail, DNS, and IIS. Would a dual core CPU with a higher clock speed do better than a quad core CPU with lower clock speed? For instance, would a dual core 3 Ghz processor do better than a quad core at 2.4Ghz?

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Determining Process Intense Tasks With Suexec Installed

Jan 19, 2008

i got mod suexec / phpsuexec installed on the server recently. if i click on view cpu/memory/mysql usage in WHM i can see this in the first row:

<username><domain>3.170.110.1
Top Process%CPU 145/usr/bin/php
Top Process%CPU 100/usr/bin/php
Top Process%CPU 81.7/usr/bin/php

now this info is pretty useless. ok, php is evidently bursting to pretty damned high cpu levels. BUT, what are the actual FILES causing this load?

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Plesk 12.x / Linux :: Backup Manager Automating Tasks

Mar 1, 2015

I have setup Backup Manager to backup Files and Configurations every week for every subscription. This worked really good however we are now considering changing this to daily basis.

As the free space on server will decrease. I was wondering i there is any way with cronjobs how to remove the backup older than 24 weeks. How to make such an cronjob script?

If possible i also would like to know where the Backup Manager physically stores its backups?

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Plesk 12.x / Linux :: Scheduled Tasks For User Root

Jun 27, 2014

Looking at a server with Plesk 12 installed there is no root user shown in tools & settings / scheduled tasks.

Login as root and crontab -l shows root has some tasks.

On a similar server with Plesk 11.5 installed can see root user shown in tools & settings / scheduled tasks.

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