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• VPN or Remote Access?

  - by Craig Johnston

  In what circumstances would you setup a VPN instead of just allowing Remote Desktop to a machine in a network?

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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 defined on the machine running the report for the system to work. There is something in the way Critrix passes the information to the destination UNC that I don’t understand.

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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 to respond to the requests, it times out. For a small number of connections, it's fine, but once any load starts occurring (~2,500 connections), it backs up and bogs down. Is there any other bottlenecks or limits that I might be hitting? This is a FreeBSD server, and all the static files are located locally (not NFS). The NIC is an unmetered gigabit, and it's only using around 75 megabit. Any insight would be appreciated. Thanks.

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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 different for the same amount of RAM. I wonder why?? Godaddy: http://www.godaddy.com/hosting/virtual-dedicated-servers.aspx?ci=9013 Versus http://entic.net/Servers Does below plan from Godaddy consider good to run GF application. OS: Linux CentOS • RAM: 4 GB • Storage: 60 GB • Bandwidth: 2,000 GB/mo Our web application is a social network, expected to have 2000-4000 users to start with

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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, Hosts=${com.sun.aas.hostName}, Network Listeners: http-listener-3, Default Web Module=project#project-war.war(it is the only option from the drop down list since I only deploy 1 app). Then under Applications, I set the virtual server of the application to be scholar. Save and restart. I try localhost:9090, and expecting that it will load my project like as if I type localhost:9090/project-war. But it does not. I already set the Default Web Module, to be the project, why doesnt it load the project by default?

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• Problem deleting folder and files from "Program Files" folder in Win 7

  - by Craig Johnston

  How do you delete folders and files from the "Program Files" folder in Win 7? I am trying to do this on someone else's computer and I don't know what rights their user account is. It says that I don't have permission to delete the folder. I thought it was an administrator account because when I do "Run as Administrator" for other things it doesn't ask for a password, so it must be an administrator account. Should I be able to delete a folder out of "Program Files" if the account has administrator rights? Or do I need to do something else, such as "Take Ownership" of the folder.

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• If "Run as administrator" can be used without entering a password, am I a full administrator in Win

  - by Craig Johnston

  If "Run as administrator" can be used without entering a password, am I a full administrator in Win 7?

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• Is the WAN IP of an ADSL modem likely to remain the same if it is not rebooted?

  - by Craig Johnston

  Is the WAN IP of an ADSL modem likely to remain the same if it is not rebooted? Do ISPs change the WAN IP of an ADSL connection while in session (ie. prior to reboot) ?

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• Is the WAN IP of an ADSL modem likely to remain the same if it is not rebooted?

  - by Craig Johnston

  Is the WAN IP of an ADSL modem likely to remain the same if it is not rebooted? Is an ISP likely to change the WAN IP while the modem is in session?

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• How to use RAR or ZIP to rename replaced files when extracting

  - by Craig Johnston

  I wish to extract files using RAR or ZIP but I need to be able to rename the files being replaced so that there is a copy of the previous version in case something goes wrong. Couldn't see any options in WinRAR to do this.

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• SPROC runs in Query Analyzer 2008 Enterprise but will not run inside a Job on SQL Agent

  - by jim-johnston

  I have a stored procedure that runs in Query Analyzer 2008 Enterprise but will not run inside a Job on SQL Agent. It just spins. I have checked permissions, ANSI NULL ON , etc. to no avail. Funny thing is I can wrap a SSIS package around it and then run it from a Agent Job and it works. Any ideas? Thanks in advance V/R Jim

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• Is it necessary to have DMZ machine or zone on a network?

  - by Craig Johnston

  Is it necessary to have DMZ machine or zone on a network? What reasons are there for having a DMZ machine or zone? If the DMZ zone cannot communicate with the normal network at a site, why have it?

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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 defined on the machine running the report for the system to work. There is something in the way Critrix passes the information to the destination UNC that I don’t understand.

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• What are the reasons for putting a VPN into a network?

  - by Craig Johnston

  What are the reasons for putting setting up a VPN? Does it require a domain name?

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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 automatically get access to both networks, which could be a security issue. You can assume a Linux-based environment.

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• Is the WAP IP of an ADSL modem likely to remain the same if it is not rebooted?

  - by Craig Johnston

  Is the WAP IP of an ADSL modem likely to remain the same if it is not rebooted? Do ISPs change the WAN IP of an ADSL connection while in session (ie. prior to reboot) ?

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• Is the WAP IP of an ADSL modem likely to remain the same if it is not rebooted?

  - by Craig Johnston

  Is the WAP IP of an ADSL modem likely to remain the same if it is not rebooted? Is an ISP likely to change the WAN IP while the modem is in session?

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• On a SBS/Win7 domain, what can a domain adminstrator do?

  - by Craig Johnston

  On a SBS/Win7 domain, what can a domain adminstrator do?, in summary?

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• Does a dialup connection usually give you an IP address?

  - by Craig Johnston

  I am trying to test remote connections to my LAN. If I use a dialup connection will I get an IP address I can use for this purpose?

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• Why would Remote Assistance work but not Remote Desktop?

  - by Craig Johnston

  I have managed to get Remote Assistance working between two XP-Pro machines, but as soon as I try Remote Desktop I can't even get to the login screen without an error which gives a list of possibilities and concludes with "See your network administrator", which isn't very helpful. I have ramped up the security level on Remote Desktop including turning on encryption etc. Could this be the problem? I will only get a few hours on the machine at a time so I need to be well-prepared before I attack this problem again. Any ideas?

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• What is a 'firewall sniffer'?

  - by Craig Johnston

  What is a 'firewall sniffer'? How do they compromise the security of: Windows firewall Router firewall NAT firewall

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• Do you get given your own IP address on dialup?

  - by Craig Johnston

  Do you get given your own IP address on dialup? I am trying to test remote connections from outside my LAN. Will I be given an IP address that I can use for remote desktop and assistance?

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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 will not move the carousel ready for me to change the printer cartridge or any other Is there'e some sequence of button presses on the printer to do a factory reset? The printer has three buttons on the front, plus a yellow button when the hood is open (as shown in this photo)

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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. The database is likely to keep growing indefinitly so a snappy Raid 5 array of Harddrives will be essential. Which would you purchase?

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• Is there a "super-admin" account in Win 7 or SBS?

  - by Craig Johnston

  Is there a "super-admin" account in Win 7 or SBS?

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