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• How do you recommend installing Linux on a computer that has no external drive or ability to boot fr

  - by 7777

  I have an old Toshiba Portege 3505 "ultralight" laptop, meaning it doesn't have any kind of disk drive on it at all, that I'd like to completely reformat and install Linux on. However, it won't boot from any drive (and I don't have any on hand), so I'll have to install it from a USB drive (which I doubt it boots from either). (I'm not sure how to change the settings in my BIOS to get my computer to boot from a USB stick. Any ideas for this?) How do you recommend I do this? I want to note that I don't want to run Linux off a LiveUSB, I want to actually install it on the machine. I was thinking about Damn Small Linux, it's tiny and all I need. Any advice or suggestions for something else though? Finally, I'm a total newbie to this, I've never installed Linux on anything before so I might be a little slow on some stuff! Thanks!

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• Can I drive two external screens from an 'Alu' iMac?

  - by robsoft

  I've got a 24" 2.4 Ghz Core 2 Duo iMac. It's about 18 months old, though I can't specifically remember when I bought it. It has a Displayport Mini-DVI socket on the back, and currently I have that linked to a DVI adaptor driving a Philips 20" widescreen monitor in portrait mode (awesome for browsing). I have another, identical Philips monitor and wondered if there was a way of connecting that to the iMac too. Is there such a thing as a DisplayPort Mini-DVI to dual-DVIs adaptor? Can this iMac's graphics card even drive such a set-up? The graphics chipset in the iMac is reported as ATI Radeon HS2600, 256 MB. The main iMac display is 1920x1200 and the Philips display is 1050x1680 (@60Hz, rotated 90 degrees). The third screen would be another 1050x1680 and ideally I'd have it portrait again, too. EDIT: Please let this question stand - it's not a dupe. The current Mac laptops use 'Mini Displayport' connectors, which are not the same as DisplayPort Mini-DVI connectors.

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• How to create an Exchange format email address for an external recipient?

  - by Garrulinae

  I understand that email addresses used by Exchange server of this format are called X500 addresses: IMCFACX-_o=First+20Organization_ou=Exchange+20Administrative+20Group+20+28FYA8BOHF23SPDLT+29_cn=Recipients_cn=example@example.com Is it possible to construct one of these addresses for a recipient who on a different Exchange server to me? My aim is to send an email to such an address, which would tell my Exchange server to deliver it to a user on another Exchange server.

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• How to remap media keys on laptop,without external programs?

  - by polemon

  As on most laptops, my laptop has "special" keys, or media keys, as they are sometimes called. On Linux, I can easily read keycodes with things like xev, put other functions back to it. Either with xmodmap or by simply giving the keys functions in my window manager. How is that possible on Windows? Is there even a way to scan those keys and remap them? Possibly even give them different functions as on Linux? If so, where do I do that? I heard of several programs atempting on changing that, but I don't see why I should install another program. I see it as integral part of the OS. For instance, I have a key with an 'i' in a circle. It normally opens a new browser window. When Chrome is already open, it makes the current tab go to my selected homepage (which is about:blank). I'd like to change the functionality of it.

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• Why can't I connect to computers on my network using our external IP address?

  - by Kivin

  My home network is serviced by an ADSL line. The modem is in bridged mode. The router performs the PPPoE. Three computers are connected to the router: two wired Windows 7 boxes and a Ubuntu Linux box over wifi. The computers are hosting various forms of services including FTP and HTTP. The router has port forwarding mapped from the relevant ports to the reserved IP addresses for the computers. If I attempt to connect to a server inside the network, such as ftp://67.xx.xxx.xxx from inside the network, the request times out. However if I connect using the internally mapped address, such as ftp://192.168.0.100, all is well. This is a nuisance for setting up software, especially on the laptop which needs to be able to phone home from anywhere, and I just don't have enough expertise with networking to know why this is occurring to even have a clue whether it can be solved or not. edit: It should be noted that the servers can be accessible outside the network - say, at the starbucks across the street - perfectly fine, using the ISP provided address and the appropriate port.

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• Is it possible to have an external server with in a companies firewall?

  - by Jonathan

  Hi guys, I am sure this is server admin 101,but I am unsure of the answer and would love some help. I am a software developer I have built an application for a client and am currently hosting it successfully on SliceHost. We are now coming out of Beta and the client wants to have the application within their Firewall, but they do not want to deal with headache of hosting and maintaining the server. Is there a way I can recommend that we put our server at SliceHost within their Firewall? Is that an easy thing to do? If that is not possible, what should I recommend to my client? Thanks! Jonathan

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• Can a virtual mikrotik box bridge a hyper-v internal network with a hyper-v external network?

  - by mcfrosty

  I am trying to set up a Mikrotik router as a transparent firewall on my network. I got the machine working on a hardware MT box, but my boss wants the MT virtualized. I have been trying the set up where my virtual windows box talks to the Mikrotik via private or internal network on the Hyper-V host. I can get the two machines to talk, but as soon as I set up a bridge on the MT, all traffic ceases between the two. Is it possible to create a bridge for this purpose (having the MT silently in front of my firewalled server)? I could really use some help.

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• Full speed internal switch bandwidth but per-port set external bandwidth?

  - by garg

  I am in an environment where all the machines are behind a switch that I don't have access to. Each ethernet wall port has limited bandwidth depending on how much has been paid for each port. The problem is that some people have 10Mbps connections and some have 100Mbps connections and this causes problems with local intranet file transfers and operating system/software deployments. Operating systems can take hours to be deployed if the machine is on 10mbps. Do you know if it is possible with most switches to set a rule that would limit bandwidth coming in/going out to an extranet, but keep full bandwidth if the packets are destined to go to a local machine? For example, the internet might be limited to 10Mbps, but internal servers would get gigabit speeds? Thanks

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• Sync clock on Windows XP machine to external (non-domain, non-workgroup) Windows Server 2008 R2 machine

  - by Eric

  I have two machines and I'd like their clocks to be in sync for various reasons. Machine 1 is an XP machine located in the office. Machine 2 is a VPS hosted by a third party running Windows Server 2008 R2. These machines are not in any kind of workgroup or on a domain together. They are completely separate machines. Machine 2 is currently syncing once a week to time.windows.com. The clock on Machine 2 does seem to wander a bit within that week interval. What I would like to do is have Machine 1 set its clock based on the clock of Machine 2. I have tried configuring w32tm on the XP machine. This is what I used for configuration: w32tm /config /syncfromflags:manual /manualpeerlist:"<ip address of machine 2>" However, whenever I issue the /resync command I get "The computer did not resync because no time data was available". I have made sure to start the windows time service on machine 2, and I have added firewall exceptions for UDP port 123. Is there something I need to configure on Machine 2 (other than just starting the time service) in order to get it to respond? Edit: I have also run w32tm /config /reliable:YES /update on Machine 2. I am still getting "The computer did not resync because no time data was available". Is there something else I'm missing?

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• Is it possible to redirect/bounce TCP traffic to external destination, base on rules?

  - by xfx

  I'm not even sure if this is possible... Also, please forgive my ignorance on the subject. What I'm looking for is for "something" that would allow me to redirect all TCP traffic arriving to host A to host B, but based on some rules. Say host A (the intermediary) receives a request (say a simple HTTP request) from a host with domain X. In that case, it lets it pass through and it's handled by host A itself. Now, let's suppose that host A receives another HTTP request from a host with domain Y, but this time, due to some customizable rules, host A redirects all the traffic to host B, and host B is able to handle it as if came directly from domain Y. And, at this point, both host B and the host with domain Y are able to freely communicate (of course, thought host A). NOTE: All these hosts are on the Internet, not inside a LAN. Please, let me know if the explanation is not clear enough.

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• How can I create an external SSL wrapper/tunnel page for an insecure webpage behind a firewall?

  - by Ross Rogers

  I have an security cam with a built-in webpage inside my home network. That camera is using basic HTTP authentication instead of SSL. I want to be able to access the camera's webpage from outside my network, but I don't want to open an unencrypted video stream to the outside world. Right now, I'm doing some cumbersome ssh tunneling where I bounce off an ssh server like: ssh -N -L 9090:CAMERA_IP:80 [email protected] and then I connect to my web page like: http://localhost:9090 But this is a pain. Now, gentle reader, I beseech you to tell me how I can use linux (Ubuntu) to get a fully encrypted SSL connection to my internal web page without the hassle of creating an ssh tunnel each time. I believe I can use stunnel, but I'm not sure of the command.

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• Is it possible to provide a wired ethernet connection to external devices with an extra LAN card?

  - by Ben McCormack

  I'm trying to provide a wired ethernet connection (wireless is not an option for this device) to a device (Samsung blu-ray player) without running Cat5 cable all over the home. I have a PC sitting next to this device and the PC is connected to the network via a wireless USB adapter. Is it possible to provide a wired connection from the PC to the wired device using the (currently unused) ethernet port in the back of the computer? Here's how I envision the device getting connected to the internet via my network: Linksys WRT54G v8 Wireless Router | ``--> Windows 7 PC connected via wireless | ``--> Blu-ray player connected via wired connection to the ethernet port on the PC. If so, how is this done? Will I need a crossover cable? What settings will I need to change in Windows 7 so that the device can connect? NOTE: I'm trying to avoid having to buy a wireless bridge and/or hacking a router with an open-source firmware to get this to work. See my previous question for more details.

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• Can the Microsoft Surface Pro drive multiple external monitors?

  - by ahsteele

  I am interested in simultaneously connecting two Dell UltraSharp 2407WFP 24-inch Widescreen Flat Panels to my Microsoft Surface Pro. Currently I am attempting to utilize a StarTech Mini DisplayPort to DisplayPort / DVI / HDMI Multifunction Adapter by connecting one monitor to the adapter via HDMI and the other via DisplayPort. Unfortunately, I am only getting video on the Surface itself and the monitor connected via DisplayPort. Is this StarTech adapter capable of simultaneously driving two monitors? Is the Surface itself even capable of driving two monitors?

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• How do I configured postfix and to use SES, and still be able to forward email from unverified external addresses?

  - by Jeff

  We are using postfix for email group lists (eg "[email protected]" will go to all members) from Amazon EC2 systems. For a variety of reasons (scalability and reliability) we would like to use SES for all outgoing emails. I was able to configure postfix to use SES as the SMTP for outgoing emails. This works fine for all verified emails. But of course, when an outsider emails me at "[email protected]", it chokes. Postfix is configured to forward to my gmail account (via the virtual table), the SES rejects it because the outside user is not verified. So none of our mailing groups configured through postfix will work this way. I would be happy to rewrite all "From" addresses before sending (and simply leave the Reply To as the original sender), but I cannot seem to find a working configuration. No matter what I set in canonical or generic regexps, SES seems to reject all forwarded emails. Surely somebody must have configured postfix with SES to handle virtual addresses? How does this work?

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• What's the best external hard drive configuration for a software developer laptop?

  - by Dan

  I've got a Dell laptop that I use as a software developer box at work and find that the drive is usually the bottleneck. I'd like to hook up two 10k RPM drives that are striped for performance. I've looked for drive cases with RAID but there don't seem to be very many choices and I'm worried about compatibility with the drives (preferably SATA 2). Also I don't have a SATA connection on my machine so it'll have to USB 2.0 for now. Am I headed down the right path or am I missing a much simpler configuration?

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• How do I send email with sendmail to external hosts?

  - by Jake

  If I wanted to send an email to a user on the same linux machine, I can run: echo -e "Subject: Foo\n\nBar\n" | sendmail -v jacob But if I run: echo -e "Subject: Foo\n\nBar\n" | sendmail -v [email protected] It will give me the error: 050 >>> MAIL From:<jacob@mu> SIZE=321 050 550 5.1.8 Cannot resolve your domain {mx-us011} If my machine has access to the internet but is behind a router and has no domain associated with it, can I use sendmail to send mail to this address? Do I need to connect through an SMTP server? Can I do that with sendmail? If I use sendmail's -f option and put my gmail account there it will work. Can (or should I) I use my IP address? echo -e "Subject: Foo\n\nBar\n" | sendmail -v -f [email protected] [email protected] I'm a bit lost on how all this comes together in sending mail from the command line.

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• Intel video driver upgrade now makes my external monitor display red-only with HDMI cable.

  - by Eli

  I have an HP G60 notebook with a Mobile Intel 4 Series Express Chipset video display (Driver version is 8.15.10.2021). OS is Win7 Home Premium. I also have an LG widescreen display that I was connecting to the laptop using an HDMI cable. It was working great, until I applied an Intel 4 Series Express Chipset update from Windows Update. After the update, if I plug the laptop to the monitor using the HDMI cable, it appears I only get the Magenta channel, cause that is all I see. If I connect with the VGA cable, it works fine. So, is it possible it is just the HDMI cable (which IS cheap in this case - fire sale at Blockbuster), and not related to the video driver update at all?

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• What kind of router do I need to handle multiple external I.P addresses?

  - by user1308743

  I have 3 dedicated I.P addresses going to a location with a few servers, and 1 RVS4000 router. Right now, only one I.P is being used. I would like a router that can use all 3 I.P addresses and I can make rules like this: IP1:80 goes to ServerA IP2:80 goes to ServerB What kind of router/device with what features do I need to handle this? I will need to set 30-40 rules to forward certain ports to certain servers. Only a couple ports will need to go to IP2 or IP3. Thanks

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• How do I get 480i resolution for an external monitor in Windows 7?

  - by Carson Myers

  I'm trying to get a laptop video signal to my really old television, so that I can play movies on it. But the TV won't accept the video signal. I found the manual online, and apparently the output has to be 480i. But I don't know how to do that -- Windows 7 will only let me set the resolution down to 800x600. Even if I get it down to 640x480- is that 480i or 480p? How do I tell the difference? How do I switch between them? How do I get the resolution down so low in the first place?

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• Best filesystem for an external drive? ExFAT?

  - by GiH

  What is the best filesystem for use with multiple OS's? I saw this question but its old and doesn't take into account ExFAT. Here is what I know from my findings: NTFS - Can't write from Mac FAT32 - Doesn't support files larger than 4GB HFS - Only mac ExFAT - ??? I don't know much about this but it seems like it got rid of the 4GB limit of FAT32 and can be read on Windows, Mac, and Linux. Is ExFAT the best bet? I tried formatting the drive in ExFAT just now, but on Windows XP SP3 it was showing up as not formatted... It seems to me like FAT32 is still the best, but I wanted to see what other people had to say.

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• Use subpath internal proxy for subdomains, but redirect external clients if they ask for that subpath?

  - by HostileFork

  I have a VirtualHost that I'd like to have several subdomains on. (For the sake of clarity, let's say my domain is example.com and I'm just trying to get started by making foo.example.com work, and build from there.) The simplest way I found for a subdomain to work non-invasively with the framework I have was to proxy to a sub-path via mod_rewrite. Thus paths would appear in the client's URL bar as http://foo.example.com/(whatever) while they'd actually be served http://foo.example.com/foo/(whatever) under the hood. I've managed to do that inside my VirtualHost config file like this: ServerAlias *.example.com RewriteEngine on RewriteCond %{HTTP_HOST} ^foo\.example\.com [NC] # <--- RewriteCond %{REQUEST_URI} !^/foo/.*$ [NC] # AND is implicit with above RewriteRule ^/(.*)$ /foo/$1 [PT] (Note: It was surprisingly hard to find that particular working combination. Specifically, the [PT] seemed to be necessary on the RewriteRule. I could not get it to work with examples I saw elsewhere like [L] or trying just [P]. It would either not show anything or get in loops. Also some browsers seemed to cache the response pages for the bad loops once they got one... a page reload after fixing it wouldn't show it was working! Feedback welcome—in any case—if this part can be done better.) Now I'd like to make what http://foo.example.com/foo/(whatever) provides depend on who asked. If the request came from outside, I'd like the client to be permanently redirected by Apache so they get the URL http://foo.example.com/(whatever) in their browser. If it came internally from the mod_rewrite, I want the request to be handled by the web framework...which is unaware of subdomains. Is something like that possible?

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• Sendmail: external alias not receiving relayed mail under certain circumstances.

  - by ben

  I have set up an alias in /etc/mail/aliases like this: user: [email protected] This relay DOES work when I telnet to example.com 25 and send mail to [email protected] (where example.com is my domain); it indeed turns up in [email protected] inbox. Also mail sent from my server at example.com is generally deliverable to this same email address, [email protected]. HOWEVER, the relay DOES NOT work when I send mail from [email protected] to [email protected], expecting it to be relayed back to [email protected]. The mail.log shows it being received and sent just fine, so I guess it is being blocked by gmail for some reason. Why though? As I said, gmail generally does except mail from this server.

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• Can a virtual mikrotik box bridge a hyper-v internal network with a hyper-v external network?

  - by mcfrosty

  I am trying to set up a Mikrotik router as a transparent firewall on my network. I got the machine working on a hardware MT box, but my boss wants the MT virtualized. I have been trying the set up where my virtual windows box talks to the Mikrotik via private or internal network on the Hyper-V host. I can get the two machines to talk, but as soon as I set up a bridge on the MT, all traffic ceases between the two. Is it possible to create a bridge for this purpose (having the MT silently in front of my firewalled server)? I could really use some help.

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• Is it possible to have an external server within a company's firewall?

  - by Jonathan

  Hi guys, I am sure this is server admin 101, but I am unsure of the answer and would love some help. I am a software developer I have built an application for a client and am currently hosting it successfully on SliceHost. We are now coming out of Beta and the client wants to have the application within their firewall, but they do not want to deal with headache of hosting and maintaining the server. Is there a way I can recommend that we put our server at SliceHost within their Firewall? Is that an easy thing to do? Their specific requirements are: For my application to authenticate against their Active Directory, and Only allow access to the application from within their network If that is not possible, what should I recommend to my client?

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• How to dynamically insert text from an external file in a Powerpoint slide?

  - by Xavier Nodet

  My goal is to ensure that the C++ code I insert in my presentation compiles correctly. I therefore thought I'd have each example in a separate file (so that I can compile it), and include the text from those files in the Powerpoint slides... I want this 'inclusion' to be dynamic, so that if I change the code in a file, the slides are automatically updated. Is it possible? Will I have to use LaTeX instead of Powerpoint? Any other suggestion about how to solve this problem? Thanks.

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