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• Gathering IP's from a complicated log

  - by Harry

  I have a question regarding the use of some more advanced grep, awk, sed. I have a log file, for a proprietary MTA, that contains IP's in a string, delimited by [redacted]^~x.x.x.x^[redacted]. So far all of my grepping, awking, and sedding hasn't gotten me very far. This log file has 331520 lines in it. My goal was to simply grep out the ip's,…

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• RAID10 without write-back cache = horrible write performance?

  - by Harry Mexican

  I have just provisioned a dedicated server on singlehop. I'm running it through some tests to know what to expect performance-wise. On the I/O side (with 4 1TB disks in RAID 10) I get: write-cache disabled 200 MB/s read throughput 30 MB/s write throughput I thought that was really low compared to my desktop HD which gets 150-150 or so. So…

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• Nginx Static Content Server Maxing Out?

  - by Harry

  I use nginx to serve the static content for a decently busy website of mine. I have the logging disabled, and 4 worker processes enabled with 5,000 connections per worker (which should yield a max connection limit of 20,000. The server is only operating at about 10% CPU usage and 50% ram, but it's very laggy, and sometimes nginx is so slow…

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• Accessing Network Printers from a Citrix Session:

  - by Harry

  We have an application that uses Active Reports documents. You pass a document the UNC of the printer and away it goes. We have a group that runs this application within a Citrix session and the truly networked printers function perfectly but shared printers that work well outside of Citrix become unreachable. Printers do not need to be…

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• GF 3.0.1 + Virtual Server: www.myhost.com:8080/projectname-war => www.myhost.com. How?

  - by Harry Pham

  I need to change www.myhost.com:8080/myproject-war to www.myhost.com. This is what I try. In admin console in Glassfish 3.0.1, I create a http-listener-3 with port 9090 and address 0.0.0.0 (I want to have port 80, but got access-denied or some sort). I then create a virtual server call scholar, with Id=scholar,…

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• VPS for Glassfish

  - by Harry Pham

  Our small startup company plan to deploy a web application on Glassfish, I and wonder if some of the experience user out there can answer me couple question. When I shopping for server, I usually look at RAM amount, as GF does required good amount of RAM to run, below are the two sites with significant price…

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• Accessing Network Printers from a Citrix Session:

  - by Harry

  We have an application that uses Active Reports documents. You pass a document the UNC of the printer and away it goes. We have a group that runs this application within a Citrix session and the truly networked printers function perfectly but shared printers that work well outside of Citrix become…

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• Use-cases for assigning multiple IP addresses to 1 NIC

  - by Harry

  What would be some of major use-cases in which you would want to assign multiple IP addresses to your NIC? Knowing of any standard/well-known 'gotchas' associated with each use-case would also be helpful. For example, I heard someone saying that a user with access to such a machine will…

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• How to factory reset an EPSON Stylus Photo 1290 printer?

  - by Harry Wood

  How do I do factory reset on an EPSON Stylus Photo 1290 printer? The printer is refusing to work. It seems to be in some error state. I've tried re-installing drivers etc, but the printer itself seems to run some diagnostic routine when I switch it on, but will not do anything else. It…

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• DVD RW: Are they still relevant for backups?

  - by Harry

  Hello, With the availability of compact USB memory sticks with much, MUCH higher storage capacities is there still any use-case for taking periodic, incremental backups on DVD/RWs? The DVD/RW has an additional annoyance that you cannot drag and drop files to it as easily as you can on…

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• DVD RW: Are they still relevant for backups?

  - by Harry

  Hello, With the availability of compact USB memory sticks with much, MUCH higher storage capacities is there still any use-case for taking periodic, incremental backups on DVD/RWs? The DVD/RW has an additional annoyance that you cannot drag and drop files to it as easily as you can on…

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• Which server would you purchase? IBM x3550 or Dell R610?

  - by Harry

  I'm in the market for a single unit rack mounted server with a strong upgrade pathway. The two servers on the top of my wish list are: IBM x3550 M2 Express Followed by Dell R610 Ultimately I want to have a Dual Quad Xeon (2 Ghz+) server with loads of RAM for a top notch DB server. …

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• NATing with a single-homed machine possible?

  - by Harry

  I have the following setup: a) a single-homed machine, A, that can see the Internet. b) other machines B, C, and D that cannot see the Internet. c) A, B, C, and D can see each other. d) all machines are running either RHEL 5.3 or Fedora 16. Question: Is it possible to have B, C,…

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• Will adding extra RAM in my computer speed it up?

  - by Harry Simpson

  I have a 5 year old Dell Inspiron 530 desktop computer which is slowly grinding to a halt. Someone told me if i put extra RAM in itll speed it up. Inside the computer there are four slots for memory but only two has memory in them and they are 1GB each. if i bought another 2no. 1GB and…

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• Securing NTP: which method to use?

  - by Harry

  Can someone good at NTP configuration please share which method is the best/easiest to implement a secure, tamper-proof version of NTP? Here are some difficulties... I don't have the luxury of having my own stratum 0 time source, so must rely on external time servers. Should I read…

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• Apache 2 settings for high traffic website

  - by Harry

  I'm having problems with the load on my website. It's an amazon ec2 server with 15Gb ram and 4 CPUs behind an LB. apachetop says I'm getting around 80 reqs per second which seems really low for this kind of server and the load ( given by top ) is usually around 15 but does increase…

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• "The network path was not found" - shortening the delay before Windows tries again

  - by Harry Johnston

  If I try to connect (over Windows file sharing) to a machine that has gone to sleep, I get a timeout followed by "The network path was not found". If I then wake the machine and try again, I still get "The network path was not found" because the connection failure has been cached. …

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• TFS Shipping Cadence

  - by Tarun Arora

  Brian Harry has formally announced a change to the TFS shipping cadence from the traditional 2-3 years to production cycle to a more agile and refreshing minimum once in a 3 weeks cycle! The change didn’t happen over night, it was a gradual process which was greatly influenced by…

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• Team Foundation Service Preview now open for all!

  - by Tarun Arora

  The concept of TFS in the cloud was first presented back in early 2010, the product team worked hard to preview a constantly evolving solution at the BUILD conference last year and after having completed 31 Sprints today the preview service has been opened for all. No more…

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• links for 2011-03-16

  - by Bob Rhubart

  InfoQ: Randy Shoup on Evolvable Systems Randy Shoup discusses evolvable systems: how to run different versions of a system in parallel during migrations, decoupling a system with events, schemas at eBay and much more. (tags: ping.fm) …

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• A Fully Featured Solution for Data Export

  For those who need to be able to automate the process of exporting databases with maximum speed, reliability and ease of use, FlySpeed Data Export offers the ultimate solution. The software is packed... [Author: William Potter - Computers and Internet - March 29, 2010]

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• The New Apple iPad Tablet

  It was certain to happen, with all the gadgetry that is being released by many other companies, it was inevitable for Apple to issue its own version of a computer tablet. So, after the iPod and the i... [Author: Brian Potter - Computers and Internet - May 10, 2010]

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• SQL Server - Physical connection is not usable Error Code: 19

  - by Harry

  Having trouble working out this SqlException: A transport-level error has occurred when sending the request to the server. (provider: Session Provider, error: 19 - Physical connection is not usable) Any ideas what this is about? Couldn't get any hits on google…

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• PetStore 2.0 - java.lang.RuntimeException: javax.naming.NamingException: Lookup failed for 'jdbc/Pet

  - by Harry Pham

  I download PetStore 2.0 from https://blueprints.dev.java.net/servlets/ProjectDocumentList?folderID=5315&expandFolder=5315&folderID=0. I tried to build them in netbean 6.8 and I got this error SEVERE: Exception while preparing the app java.lang.RuntimeException:…

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• MSSQL - Physical connection is not usable Error Code: 19

  - by Harry

  Having trouble working out this SqlException: A transport-level error has occurred when sending the request to the server. (provider: Session Provider, error: 19 - Physical connection is not usable) Any ideas what this is about? Couldn't get any hits on…

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