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• Any software to do minute by minute backup ?

  - by Ranhiru

  Of all the freeware backup programs i've checked out, the most frequent backup i could do automatically was every hour :( Is there any freeware out there that can backup my data every minute or so? :) I'm talking about a few mega bytes of VERY important data... Preferably over the LAN backup too :)

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• Managing ip6tables (or an alternative firewall) remotely

  - by Matthew Iselin

  I'm working with IPv6 and have run into an issue configuring ip6tables on our main router in order to control what can come into the network. A default DROP rule in the FORWARD section has worked well (obviously leaving ESTABLISHED,RELATED as ACCEPT) to keep internal clients' open ports from being accessed. However, running an ip6tables command for every little change is unwieldy. Whilst we are able to continue creating rules manually, I'm wondering if there's some sort of management interface we could use to create the rules quickly and easily. We're looking to be able to save time working on our firewall as well as providing a simple method for modifying rules for those who will eventually replace us. I know webmin (heavily locked down on our network, naturally) has support for modifying iptables rules, but seemingly no support for ip6tables. Something similar would be fantastic. Alternatively, suggestions for a firewall solution apart from iptables/ip6tables which can be managed remotely wouldn't be out of order. A web interface for management is certainly preferable, even if it is just a wrapper with shiny buttons over the raw config files.

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• Forwarding RDP via a Linux machine using iptables: Not working

  - by Nimmy Lebby

  I have a Linux machine and a Windows machine behind a router that implements NAT (the diagram might be overkill, but was fun to make): I am forwarding RDP port (3389) on the router to the Linux machine because I want to audit RDP connections. For the Linux machine to forward RDP traffic, I wrote these iptables rules: iptables -t nat -A PREROUTING -p tcp --dport 3389 -j DNAT --to-destination win-box iptables -A FORWARD -p tcp --dport 3389 -j ACCEPT The port is listening on the Windows machine: C:\Users\nimmy>netstat -a Active Connections Proto Local Address Foreign Address State (..snip..) TCP 0.0.0.0:3389 WIN-BOX:0 LISTENING (..snip..) And the port is forwarding on the Linux machine: # tcpdump port 3389 tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on eth0, link-type EN10MB (Ethernet), capture size 65535 bytes 01:33:11.451663 IP shieldsup.grc.com.56387 > linux-box.myapt.lan.ms-wbt-server: Flags [S], seq 94663035, win 8192, options [mss 1460], length 0 01:33:11.451846 IP shieldsup.grc.com.56387 > win-box.myapt.lan.ms-wbt-server: Flags [S], seq 94663035, win 8192, options [mss 1460], length 0 However, I am not getting any successful RDP connections from the outside. The port is not even responding: C:\Users\outside-nimmy>telnet example.com 3389 Connecting To example.com...Could not open connection to the host, on port 3389: Connect failed Any ideas? Update Per @Zhiqiang Ma, I looked at nf_conntrack proc file during a connection attempt and this is what I see (192.168.3.1 = linux-box, 192.168.3.5 = win-box): # cat /proc/net/nf_conntrack | grep 3389 ipv4 2 tcp 6 118 SYN_SENT src=4.79.142.206 dst=192.168.3.1 sport=43142 dport=3389 packets=6 bytes=264 [UNREPLIED] src=192.168.3.5 dst=4.79.142.206 sport=3389 dport=43142 packets=0 bytes=0 mark=0 secmark=0 zone=0 use=2 2nd update Got tcpdump on the router and it seems that win-box is sending an RST packet: 21:20:24.767792 IP shieldsup.grc.com.45349 > linux-box.myapt.lan.3389: S 19088743:19088743(0) win 8192 <mss 1460> 21:20:24.768038 IP shieldsup.grc.com.45349 > win-box.myapt.lan.3389: S 19088743:19088743(0) win 8192 <mss 1460> 21:20:24.770674 IP win-box.myapt.lan.3389 > shieldsup.grc.com.45349: R 721745706:721745706(0) ack 755785049 win 0 Why would Windows be doing this?

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• SSH doesn't work on Ubuntu !!

  - by xrobot

  I am trying to connect to my webserver via ssh but I can't. When I insert the password nothing happens . This is what I see: # ssh [email protected] [email protected]'s password: Why ? In iptables there are no rules. Please help :(

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• SSH doesn't work on Ubuntu !!

  - by xRobot

  I am trying to connect to my webserver via ssh but I can't. When I insert the password then the terminal is blocked. This is what I see: # ssh [email protected] [email protected]'s password: Why ? In iptables there are no rules. Please help :(

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• Office jukebox systems

  - by jonayoung

  We're looking for a good office jukebox solution where staff can select songs via a web interface to be played over the central set of speakers. Must haves: Web Interface RSS / easy to scrap display of currently playing songs Ability to play mp3s and manage an ordered playlist. Good cataloguing of media. Multiple OSs supported as clients - Windows, Mac, Fedora Linux (will probably be accomplished by virtue of a web interface). We have tried XBMC which worked well as a proof of concept however the web interface is just too immature and has too many bugs for a reliable multi-user solution. I believe the same will be true of boxee. Nice to have: Ability to play music videos onto a monitor Ability to listen to radio streams specifically Shoutcast and the BBC. Ability to run on Linux is a nice to have but windows solutions which worked well would certainly be considered. I am aware of question 61404 and don't believe this to be a duplicate due to the specific requirements.

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• Windows RemoteApp deploying software updates, is there a better way?

  - by Ryan

  We provide an application as a service, over Windows RemoteApp. It's nearly impossible to deploy updates to the software, though, because if even a single user is online then the file is in-use and cannot be replaced. Is there some way to make this possible or easier? If it were possible, I'd be deploying probably 2-3 updates per day. As it is, I sometimes have to go all week without deploying one.

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• Live Camera capturing and printing software

  - by Matt

  I'm running a Haunted House exhibit at my school to raise money, and I had the idea of taking pictures of the "victims"/students remotely with my Sony DSLR camera and then printing and selling the photos as the students exit the haunted House (much like amusement parks do with roller coasters as you go down the final drop, or when one takes pictures with Santa Claus at the mall). Does anyone know of any free/relatively inexpensive software that would allow me to do this? I would prefer Mac-compatibility, but it's not a requirement.

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• Citrix ICA Client on Mac shift key doesn't work as expected

  - by brianegge

  When I'm connected to a Windows XP computer from my Mac OS X 10.6 using the Citrix ICA Client, it seems that the shift key only works for the first letter typed after pressing shift. In order to type multiple uppercase letters, like ICA, I must either press caps lock, or press and release shift before each character. I've tried switching between standard and enhanced keyboard, as well as the 'Send Special Keys Unchanged' option, but none of these seem to affect the issue. The problem doesn't occur when I switch from the Citrix window to a regular Mac window.

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• problem with VNC

  - by Eva

  I upload vnc on my server and when i execute it : winvnc.exe -install i get this error : The vnc service could not be installed what am i going to do ?

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• Network use of Gaming PC

  - by Matthew Patrick Cashatt

  Background After YEARS of waiting, I built the custom gaming PC of my dreams: Intel i7 - 975 Extreme Edition 3.3ghz (overclocked to 4.0) ATI Radeon 5970 2gb Corsair 256 gb SSD Drive 2 TB Sata II 3.0 7200rpm data drive 12 GB Kingston Hyper-X (1600mhz) DDR3 Windows 7 Ultra 64 bit And so on. . . Problem I hooked this beast up to our home theater and settled in for a great gaming season only to realize a couple of drawbacks: It's hard to accurately wax bad guys using a keyboard in your lap whilst reclined on your couch (and using a wireless keyboard). It's hard to read the text on the screen (i.e. menus, etc). I find that a 1:1 ratio (screen diagonal inch to inch away from screen) is optimum, but using the home theater, it's more like 1:3 which has me squinting unless I sit on the coffee table. The wife always seems to want the TV the same time I do and, unfortunately "Real Housewives of Beverly Hills" and Battlefield BC don't mix. I am losing the battle in the home theater room, but the PC has to stay there (long story). So, this leaves me with the option of playing in my home office which is about 30 feet away from the home theater. I am a software developer so I have a pretty decent set up in my office--multiple 1080p monitors, HP Envy 17 which can run games like Crysis in 720p with out stammering too much. Also, I can game very comfortably at my desk in the office. Still, even though the set up in my office can run games well enough, I don't want to regress to that when I have worked YEARS for an awesome gaming PC that can run everything on ultra high settings. My Question What are my options for running my games on the beastly desktop in the Home Theater, but physically playing in my office about 30 feet away? A really long HDMI cable? LAN/RDC? Details that May Help We have an open crawlspace so running cable from HT room to office is no problem. I already have networked the house with a LAN Any help is GREATLY appreciated. Thanks, Matt

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• rpd over https using a linux client

  - by Nils

  My employer switched from vpn and rdp to using what our admin calls "rdp over https". Since that switch I find myself unable to connect to the "new" rdp server. I think the progress is as follows: A rdp gateway-server is connected via tls the requested sever (different from the gateway-server) is then connected through the tls connection. In windows mstsc-settings the server name is the "internal network name" of the machine I wish to connect. And on the last tab (in German it is called "leistung" - could be activity) I go to the "connection from everywhere" settings and set the gateway-server under gateway-server. Now: Is there any way to use this scenario under linux (apart from a virtual machine running Windows)? I am interested in free ideas (e.g. is it possible to create a tls tunnel and connect through that using freerdp/rdesktop?) non-free ideas. As long as they work I'll worry about the costs later. Free ideas would be better :-)

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• Remotely connecting to a Hyper-V hosted VM's console.

  - by billpg

  Hi everyone. I've just managed to successfully move an aging beige box into a Hyper-V virtual machine. We used to use the beige box by walking over and sitting at the computer itself, but we can't do that so easily when its inside the Hyper-V system. Is there a way please to access the VM's console from a workstation running XP Pro? Please note that its an obscure OS running inside the VM, so installing a VNC or similar service inside the VM is not an option. Many thanks.

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• reduce memory footprint of java virtual machine

  - by Lorenzo Boccaccia

  I've a citrix server where multiple users use a multiple java application. Is there a way to reduce the memory footprint of the jvm itself? The max heap is already set fairly low (64MB), as the permgen (32MB) space and we're to the point that the jvm itself uses way more memory than the application itself (the committed area is around 350MB) I'm looking for a way to reduce the jvm ram usage or to make the all the applications run within the same jvm or any other way of sharing common pages between running jvm (if possible) or try switch to switch to a jvm if a jvm exists having optimizations relative to this scenario currently using windows 2003 server and sun java virtual machine 1.6

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• How to force-restart a PC with vPro technology?

  - by Dan Nissenbaum

  I would like to know how to force-restart a PC that has crashed/hung and become completely non-responsive, using 2nd-generation vPro technology. Assume there is a second, fully responsive PC on the same LAN that can be accessed remotely to assist. Specifically, I am considering purchasing a PC with an i7-2860QM CPU, which is vPro-enabled (according to Intel). Here are two links that indicate it should be possible to force-restart a hung system with a 2nd-generation vPro-enabled CPU: Seconds 24-39 of What Is Intel vPro™ Technology? Page 17 (21 of the PDF) of Intel® vPro™ Technology: Reference Guide However, after extensive research, I cannot find a straightforward and trustworthy source of confirmation that this will actually work as I describe, or any documentation about how to set it up. I would appreciate both a reliable confirmation, and a source of documentation. This question is a follow-up to: Wake-on-LAN (WOL) fails after computer crashes (Windows 7 64-bit).

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• Can I find the session ID for a user logged on to another machine?

  - by Dan Tao

  I want to open an application on another computer on the same network via the command line. The scenario here is that the user is in a room surrounded by about 20 computers and wants to be able to launch the same app on every computer without walking from screen to screen opening it up on each individual machine. I've discovered that I can get the basic functionality for this using PsExec as follows: psexec \\[computer] -u [username] -p [password] -d -i [SessionID] [program] For computer, username, password, and program, I'm good. Does anyone know of a way I can figure out which SessionID is assigned to a particular user logged on to a particular machine on the network? Alternately, is there a better way to go about what I'm trying to accomplish?

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• using Linux vncviewer

  - by Darkoni

  when i am connecting to VNC server using wine on linux $ wine vncviewer.exe i have to enter: VNC Server: 1.1.1.21 Proxy/Reapeter: 195.29.18.33:1234 and then, when i connect, on top there is txt: 1.1.1.21:5900 (195.29.18.33:1234) mine question is: how to connect using vncviewer ? what to put in VNC_VIA_CMD ? $ export xlocalPort=1234 $ export xremoteHost=1.1.1.21 $ export xremotePort=5900 $ export xgateway=195.29.18.33 $ export VNC_VIA_CMD="/usr/bin/ssh -f -L $xlocalPort:$xremoteHost:$xremotePort $xgateway sleep 20" $ vncviewer $xremoteHost -via $xgateway and i get error: unable connect to socket: Connection refused (111) i was trying to help myself with page http://www.tightvnc.com/vncviewer.1.php Please help, couse i need to use "native" linux vncviewer installed by $ yum install tigervnc tigervnc.i686 0:1.0.90-0.13.20100420svn4030.fc13

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• SSH into Ubuntu Linux on a box without a static IP address

  - by Steven Xu

  Basically, how do I do it? I'd like to connect to my home computer from work, but my internet is routed through my apartment building's network, so I don't have the static IP address I'm accustomed to having. How do I go about accessing my home computer through SSH (I'll be using Putty at work if it matters) if my home computer doesn't have a static IP address?

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• Need to get a list of all users within a subnet of servers

  - by mikedopp

  I am looking to write a batch or vbs script to gather all users (local to the server. ie. administrators or a local account(not ad users)) on a collection of servers inside my network. I assume I could do this by subnet. Could even put the server names into a csv text file for the script to read from and report back to. Lots to ask. I would use net user however I run into local access only. Ideas? Or too many security walls to work?

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• Access denied on virtual machine

  - by newbie

  I have a friend on the same network as me hosting a virtual machine using vmware server.The guest OS is Windows 7 and Windows Server 2003.He granted me administrative priveleges for the machine but when i try to add a user to that VM it says access denied. Moreover when i try to start the VM remotely using the command vmrun -T server -h https://computer-name.domain.com:8333/sdk -u domain/user -p passwd start "[standard] Win2k3Client1/Win2k3Client1.vmx" This shows unsufficient priveleges on host operating system but i am able to login with same username password on VMWare Web Access

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• software to allow a friend to look on your screen

  - by acidzombie24

  I want a friend of mine to review my code. I have a mic built into my laptop but i can use another software for voice chat. So i would like to have him to either view my screen (taking control might be fine) or show me his screen so he can talk about a specific piece of code. What software is good for this? We both think about security so an MS product (netmeeting? if that still exist on normal msn live installs) or an open source would be preferred. Should be free.

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• What to use for Shell Access?

  - by Aristotle

  I just purchased a virtual dedicated server-plan that comes with shell access. It's been a while since I've actually used shell access remotely, so I'm a bit behind the times. Years ago I used PuTTY, but I'm curious if there are any better options that I should consider for establishing that connection, and managing my server remotely. I figured this question would be most appropriately asked here since it is regarding tools.

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• webmin not working on port 10000

  - by Ali

  Hi, I posted a similar question yesterday but can't seem to find that post. I have installed webmin on my server which has SSL and its service is running but I am unable to open it in browser. I thought may be the port is blocked by server's firewall so I entered port 10000 (TCP - inbound) in APF but still no luck. When I use https://localhost:10000 on server to access webmin then it works fine but not remotely. Why is such a simple thing so hard to run? Thanks

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• Send keystrokes simultaneously to both host and slave over internet?

  - by donodarazao

  I would like to watch movies with a friend who lives far away from me. For this, the playback should be synchronized on both our pc. However, we have some constraints: Due to our low bandwidth internet, any form of streaming solution wouldn't work. We do however both have the same copy of the movie on our harddisks. We use movies to learn languages and because of this, we very frequently pause and rewind. The typical "3...2...1...go!" solution over skype wouldn't work because it would soon get out of sync. I imagine an approach that sends keystrokes simultaneously to both our pc would work (for example, if I press space to pause the movie at my pc, space should also be send to his pc). Any ideas how this could be realized? I looked into Synergy and InputDirector, but both neither seem to be an option, because I don't want to see the desktop of my friend, I want to see my desktop Keystrokes should be sent simultaneously to both pc, not just to one pc We have both Windows 7x64, and we might use any media player (VLC, XBMC,...).

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• Is there software that lets me drag windows between two PCs? (there is!)

  - by Jonathan

  I'm looking for a preferably free program that is similar to MaxiVista, which lets you extend you desktop to another desktops screen on the same network. But with MaxiVista you have to extend the entire screen. I'd like to just drag one window onto the other computers screen without extending the desktop. So on top of the other computer's windows. Kind of like a cross between MaxiVista and Windows 7' XP mode where you can run XP programs on the windows 7 desktop. EDIT: I am pleased to announce this is possible, though the windows is poor quality (8-bit color) but I believe thats just because MetaVNC isn't very up to date.

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