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• Good support to multiple desktops AND multiple monitors in Linux (Ubuntu)?

  - by Somebody still uses you MS-DOS

  I'm starting to have A LOT of opened windows in my machine. Sometimes within a project, I have e-mail/task management/personal e-mail/twitter, and a lot of different opened applications/terminal in my Linux environment. Nowadays I have 4 worspaces: Corporate management (e-mail) and corporate messenger; Work (Documents, Requisites) Dev (Development, All gVim windows, terminal and Firefox for development) Personal (Personal stuff: personal e-mail, delicious, twitter and so on) Sometimes it would be interesting to have different workspaces to projects instead of this configuration I have nowadays that are classes of work (bad name, I know, but I think you got the idea). I'm starting to think about using two monitors: one with Corporate Management, Work and Personal. The second monitor is only the development state: each workspace here is about a project being worked on instead of groups of works like before. A workspace may be implementing different classes for example. My question is: I just want to change to a second monitor using the mouse. I want to still be able to change workspaces in the same monitor using keyboard shortcuts. The keyboard shortcuts wouldn't change monitors, just worskpaces on the same monitor. Does Linux (Ubuntu 10.04 Lucid Lynx) support this envisioned setup? If so, how?

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• Exchange 2010: Send emails via STMP with custom From address to outside the domain

  - by marsze

  The requirement(s): (1) Connect to Exchange via STMP and (2) basic authentication and send emails with a (3) custom From address to (4) recipients outside the domain. I was able to get (1) - (3) working. I created a dedicated receive connector for this task and configured it like this: Permissions: ms-Exch-SMTP-Accept-Any-Recipient (for authenticated users) ms-Exch-SMTP-Accept-Authoritative-Domain-Sender (for authenticated users) ms-Exch-SMTP-Accept-Any-Sender (for authenticated users) Authentication: TLS Basic Authentication (without TLS) Exchange Server Authentication However, I'm still struggeling with (4): I can send with "fake" From addresses to recipients inside the domain. Also, I can send with the original From address to recipients outside the domain. Can you tell me what I'm missing, to configure Exchange to send emails with changed From addresses to recipients outside the domain? (Or is this even possible at all?) Thanks. UPDATE I have to correct myself: it seems to be working after all. There must be some issue with the mailbox I used for testing. It turned out it's working with other external mailboxes. However, I still have no idea what was different there... Anyways, you can take this as a documentation on how to configure Exchange in such a way ;)

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• Mac Outlook showing all links in smart quotes?

  - by user2727128

  I was given the task of fixing my friend's email today and really don't know what the problem is. When an email is sent from his laptop (Mac) from Outlook the email address link in the signature shows exactly like this: [email protected]<mailto:[email protected]>. Additionally the website link displays like this: www.website.com<http://www.website.com>. And lastly, the image comes through as cid:randomstringofnumbers. When I sent him an email and he sent one back it converted my signature to same weird formatting. Plus, even in the header where it shows our emails, they are displaying the same way: [email protected]<mailto:[email protected]>. And the weirdest thing is that this problem seems to be "compounding". So when I scroll down to the last, most recent email in the thread I see this www.website.com<http://www.website.com> next email shows this: www.website.com<http://www.website.com><http://www.website.com> and the next this: www.website.com<http://www.website.com><http://www.website.com><http://www.website.com> This is happening to the emails too, everywhere. I'm thinking this might be something to do with smart quotes and the auto formatting but I'm not sure. Could this be the problem? And if so how do I fix it?

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• Revamping an old and unstable IT-solution for a customer?

  - by cmbrnt

  I've been given the cumbersome task to totally redo the IT-infrastructure for a customer's office. They are currently running Windows XP all over, with one computer acting as a file server with no control over which users have access to which files, and so on. To top it off, this file server also functions as a workstation, which means it gets rebooted every time the user notices some sluggish behavior or experiences problems with flash games. To say the least, this isn't working for them. Now - I've got a very slim budget, but I need to set up a new server, and I wish to run Windows Server 2008 on it. I also need the ability to access the network remotely via VPN. Would it be a good idea to install VMware ESXi 4.1 onto the new server, and then run Windows Server 2008 as well as a separate Debian install for openvpn on it? I don't like the Domain Controller for the future AD to also run a VPN-server, because of stability issues when something goes to hell with either of them. There will be no redundancy though. However, I'm not sure if there is something to gain by installing a VPN solution on the Windows Server itself, when it comes to accessing file shares on the network via VPN. I don't know how to enable users logging in via the VPN to access the remote files, since they will be accessing the network from their own home computers (which is indeed a really bad idea, but this is what I've got to work with). They won't be logged in to the windows Domain, but rather their home workgroups. I need to be able to grant access to files in certain directories based on the logged in AD-user, but every computer won't necessarily be configured to log into the domain. I'm not sure how to explain this in a good way, but I'd be happy to clarify if somethings not clear. Any help would be great, because I've got a feeling that I can't do this without introducing a bunch of costly new rules when it comes to their IT-solution. I'd rather leave that untouched and go on my merry way to the next assignment.

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• Windows XP Freezes

  - by Jim Fell

  Hello. I'm running a machine with Windows XP Professional 64-bit. Every so often, it will freeze for no apparent reason. That is, everything stops responding, except the mouse. I can move the mouse around, but I can't click on anything. Keyboard input is also not accepted/received when this problem occurs. The three-finger salute fails to bring up the Task Manager. Even pressing the power button on my computer fails to shut it down. The only way out of this that I have found is to hard-reboot the machine (i.e. pull power or hold power button in for 10 seconds). This problem was occurring on the system when it had all its updates and after a fresh install when not everthing was quite yet updated. I've run the Scandisk utility and the latest version Memtest86 that supports 64-bit architecture; neither found any errors. The last time this happened was on a fresh install of Windows. Only Nero Essentials, Avast antivirus (disabled), Firefox, and Spybot were installed. I was not running Nero, Firefox, or Spybot at the time, and Avast was disabled, so I'm pretty certain this is a Windows issue. Is anybody familiar with this problem or have any pointers? Thanks.

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• Did Adobe Photoshop just killed my Graphics Card for good?

  - by user6004

  I was working with Adobe Photoshop, just some regular work, when I came to edit a PSD file and change the text of some layer, when all of a sudden the PC froze. No mouse, screen is frozen, keyboard strokes aren't getting me anything, no Task Manager, nada. So I rebooted my PC, and then something quite terrifying appeared before my eyes. It was not the Checkdisk utility that was launched, that made me terrified (by the way, that reboot damaged the partition table of an external HDD that was connected at the time to my PC, but that's another story). It was the screen itself. Please have a look. So after Checkdisk finished and Windows loaded, I noticed that the resolution was not right. Instead of 1440x900 which I had set, it was 1280x1024. When I went to change it back, I had no option to change back to my old resolution, and has only 3 other general resolution properties, as if my Video Card (GeForce 8800 GTS btw) was not recognized. And what do you know, in the Device Manager it appeared with an exclamation mark. Inside the hardware, it said this: Windows has stopped this device because it has reported problems. (Code 43) Uninstalling the drivers, downloading the newest drivers from NVIDIA and installing them did not work. It always comes back to this. So, do you have any advice before I go out and buy a new graphics card? I thought this was the only option left, but maybe the experts at Super User can help me out. By the way, the dotted screen appears after every reboot, and I see the dots when the ASUS Motherboard screen shows up at boot. Thanks in advance.

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• Audit file removal (auditctl)

  - by user1513039

  For some reason, some script or program is removing a pid file for the service on the linux server (centos5.4 / 2.6.18-308.4.1.el5xen). I suspect a faulty cron script, but manual investigation did not lead me to it. And i still want to track it down. Have been using auditctl rule: auditctl -w /var/run/some_service.pid -p w Which helped me to see something, but not quite exactly what i wanted: type=PATH msg=audit(11/12/2013 09:07:43.199:432577) : item=1 name=/var/run/some_service.pid inode=12419227 dev=fd:00 mode=file,644 ouid=root ogid=root rdev=00:00 type=SYSCALL msg=audit(11/12/2013 09:07:43.199:432577) : arch=x86_64 syscall=unlink success=yes exit=0 a0=7fff7dd46dd0 a1=1 a2=2 a3=127feb90 items=2 ppid=3454 pid=6227 auid=root uid=root gid=root euid=root suid=root fsuid=root egid=root sgid=root fsgid=root tty=pts0 ses=38138 comm=rm exe=/bin/rm key=(null) Problem here is that i see ppid of the script that removed the file, but at the analysis time the (p)pids are already invalid as probably scripts/programs have been shutdown. Imagine a cron script deleting the file. So i need some way to expand/add audit rule(s) to be able to trace the parents of the /bin/rm at the time of removal. I have been thinking to add some rule to monitor all process creation, something like: auditctl -a task,always But this happen to be very resource intensive. So i need help or advice how to combine these rules, or how to expand any of the rules to help track the script/program. Thanks.

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• How to control/check CheckPoint rules changes (and another System events)

  - by user35115

  I need to check/control all system events on many CheckPoint FW1 - don't misunderstand - not rules triggering, but events such admins log on, rules changes and etc. I found out that I can make an log export using 2 methods: Grab logs Use special script that redirect Checkpoint log entries to syslog, FW1-Loggrabber But it's not clear for me does such logs also contain information that i need (admins log on, rules changes)? And If yes is it possible to filter events? I also suppose, that if system bases on *nix platform it must be a ploy - use based functions of the system to do what i want. Unfortunately i don't know where to "dig". May be you know? Updated: New info "FW-1 can pipe its logs to syslog via Unix's logger command, and there are third party log-reading utilities" So, the main question is how do my task in the best way? Has anybody already resolved such problem? P.S. I' m new with CheckPoint, so all information will be useful for me. Thank you.

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• Identifying Exchange 2010 regular process that is walking the mailbox database

  - by toongeneral

  I have an Exchange 2010 server running on a SAN-backed platform. The platform does block-level backups based on a snapshot/incremental basis, that only capture changed data. I was surprised to see a regular period of time where the data changes were happening at a high, sustained rate. Due to the way this system works, that can lead to 1.2TB of stored data per month. The regularity implied a scheduled task, but it is not a fixed interval. It is approximately every 26-32hrs. The disks were performing read operations of ~5MB/s and write operations of ~4.5MB/s, for a period of 3-4hrs. The total written data was ~55-60GB. Reading on TechNet, I am wondering if the following is causing this: http://blogs.technet.com/b/exchange/archive/2011/12/14/database-maintenance-in-exchange-2010.aspx#checksumming The somewhat restrictive thing is that the process only happens at most once every 24 hours. I was able to investigate while it was running, finding the following: the process is store.exe it is working on the mailbox database files while running, it is generating .log files (in the mailbox database folder) consistent with database changes the mailbox database is ~60GB in size, which fits with the total data changes on each iteration I have currently switched to a fixed maintenance window, as a test. It's not clear whether this is the cause, as the symptoms fit, but are not conclusive. Does anyone have any suggestions for additional troubleshooting?

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• Website and file/directory permissions

  - by mathiass

  I've been given a task to fix this one website. One of its issues is that on one page, the images have broken links - the images are not showing, and clicking on the image (i.e. direct link to the image file) results in a 403 (Forbidden) error. I am looking for some feedback on what could be the possible cause. The directory where the images are stored has the following permissions: drwxrws--- www "group" 10240 Aug 2008 "image directory name" I had to hide the names. I checked the page source code, and everything seems to be in place. The rest of the site, and other images outside that image directory are showing fine. I was told that recently there have been some changes to the server. I'm trying to assume that there is no fault in the source code, and the permissions are - or used to be - correct (since the site has been working before, and no recent changes to the site itself have been made). My only thoughts at the moment is that either: a) the directory permission should be: drwxrws--x (executable) for the other users, or b) there is a change in the server settings that I don't know of. Is there anything else I should check?

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• Remote Desktop svchost (networkservice) & lsa.exe high cpu usage, hangs on welcome screen

  - by Rohan1

  We have deployed an RDS Farm with 12 virtual RDS servers using Hyper V. Currently some users are not able to log on. After passing credentials to the connection broker, the session hangs on the "Welcome" screen. Using resource monitor we've seen that svchost (with the "networkservice" service) has a CPU usage of 50%, when viewing the wait chain on the process it displays that it's waiting for a lsa.exe to finish. We can't kill any of the users processes, even when trying with taskkill /f. Suspending lsa.exe did work but didn't have any effect. The networkservice also couldn't be restarted. Also, if this happens, the current users logged on to the RDS server can't be displayed. Task manager crashes when viewing the users, RDS service manager crashes when viewing the users (even remotely) and the cmd command "query session" doesn't work. No antivirus is installed on the RDS server. The only thing we can do is rebooting the server, which is not an option because of the fact that other users are in active sessions. Does anyone have ANY idea what's going on? We didn't encounter this in our pre-production setup.

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• Google Chrome 'ruined' after someone else logged in

  - by MHJ96

  Google Chrome was the default browser that came with my laptop. I have a Google account which I was logged into Chrome with. Someone else logged into my chrome using their account which has resulted in everything being lost. I logged in again to find my theme, bookmarks, history, most visited sites were gone and now instead of 'piling up' under the symbol already pinned to the Windows 7 task bar it opens a second symbol on the taskbar and 'piles up' under that instead which has never happened before. I have tried unpinning and repinning which didn't work. I have tried syncing my account numerous times to no avail, I have searched high and low on the Chrome forums for any kind of answer. I have tried accessing that thing in documents to try and recover my bookmarks but I can't find them (I had hidden files enabled etc etc). I really really want it back how it was as I had a lot of bookmarked sites and quick access to sites and everything was how i used it, and I hate that it now opens a new icon on the taskbar.

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• Protocol (or service publish/discovery) to detect devices in network

  - by Gobliins

  we connect some embedded devices in a network. What i am looking for now, is a way to find the devices IP and identify them. We work with Windows PC´s and i am about to write a C# tool that should do this. I thought about send a udp broadcast and in the ack i.e. is the device´s ip, which would mean the device needs a daemon runnig to assign an ip itself. Running a service (like a printer) on the device, and on the PC just lookup for the service. I read about some things like apipa, zeroconf, ipv4 local link, bonjour, dns-sd, mdns, bonjour; They can automatically assign ip´s and publish services in a network. My Question is, can someone recommend me what would be good for my task? -The protocol or Service should be low on ressource (memory/cpu usage) use. -Are there some standard protocolls to use? -Is DNS a good idea or would it be to ressource consumpting just for finding a device´s IP? -Should also work when no dhcp servers are around. edit: To clarify a bit: The IP configuration is automatic. The problem to focus is how to tell the PC which IP in the network (or a direct connection in this vase there would only be one) belongs to the device (identity).

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• How can I recover my data from a damaged hard drive?

  - by krk

  a few days ago when I was working on windows my laptop was beaten on the side where the hard drive is located. As a result, it was damaged and I couldn't access the windows partition. I had to boot the linux one, which is working without any trouble. I have 2 partition formatted with ntfs, the one with windows on it, and the other one intended to store data. I mounted the windows partition from ubuntu and I could see all my files. But when I tried to mount the data partition it was impossible. It threw me an error, it couldn't recognize ntfs partition. I try to copy the damaged disk into an external hard drive using the command: dd if=/dev/sda of=/dev/sdb conv=noerror,sync The progress stopped at 60%. I was still unable to mount the data partition. Now I'm trying to backup my files using an utility called Photorec. The problem is that it is recovering my files in a disorderly way, it is all mixed up and I need my original directory structure, it will become an endless task to organize the files as they were before. Is there any way I can get my partition back?

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• iptables port redirection on Ubuntu

  - by Xi.

  I have an apache server running on 8100. When open http://localhost:8100 in browser we will see the site running correctly. Now I would like to direct all request on 80 to 8100 so that the site can be accessed without the port number. I am not familiar with iptables so I searched for solutions online. This is one of the methods that I have tried: user@ubuntu:~$ sudo iptables -A INPUT -p tcp --dport 80 -j ACCEPT user@ubuntu:~$ sudo iptables -A INPUT -p tcp --dport 8100 -j ACCEPT user@ubuntu:~$ sudo iptables -t nat -A PREROUTING -p tcp --dport 80 -j REDIRECT --to-ports 8100 It's not working. The site works on 8100 but it's not on 80. If print out the rules using "iptables -t nat -L -n -v", this is what I see: user@ubuntu:~$ sudo iptables -t nat -L -n -v Chain PREROUTING (policy ACCEPT 14 packets, 2142 bytes) pkts bytes target prot opt in out source destination 0 0 REDIRECT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:80 redir ports 8100 Chain INPUT (policy ACCEPT 14 packets, 2142 bytes) pkts bytes target prot opt in out source destination Chain OUTPUT (policy ACCEPT 177 packets, 13171 bytes) pkts bytes target prot opt in out source destination Chain POSTROUTING (policy ACCEPT 177 packets, 13171 bytes) pkts bytes target prot opt in out source destination The OS is a Ubuntu on a VMware. I thought this should be a simple task but I have been working on it for hours without success. :( What am I missing?

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• Computer will freeze/ lock up after doing relatively stressful things

  - by GrowingCode247

  I'll first start off by saying that the issue GENERALLY doesn't occur unless I'm doing something remotely stressful for my computer. This issue used to occur whenever it felt it was necessary, however has not occurred completely randomly for a while now (thankfully) My computer's specs: CPU: AMD Phenom II X4 960T GPU: GeForce GTX 760 Memory: 16 GB RAM Resolution Used: 1680x1050, 59Hz (strange number for refresh rate?) res is highest for monitor Nvidia Driver version: 331.65 OS: Microsoft Windows 7 Ultimate (64-bit) Sometimes I will be able to go 2-3 games (about an hour, depending) and sometimes it will go maybe one game (20-30 minutes) and then my computer will run sluggishly and leave me unable to do much of anything. I can sometimes interact with programs at a very basic level (maximizing, minimizing), and I usually cannot close them in any way, not even through Task Manager. The highest temperature my GPU reaches is 76C, with the average being around 73C. During the time the temperatures are around 73C, my GPU's RAM usage is anywhere between 1250-1300 (out of 2GB). My CPU's temperature never goes over 60C, thankfully. The PSU should be fine. It's very mildly dusty but I feel as though that would not be causing this problem... I will clean it out as soon as everything else has been ruled out. Honestly I have no clue how to test the PSU for problems - same goes for my Motherboard. I cannot really think of what could be causing these freezes otherwise. Event Viewer details: EventID: 1 - VDS Basic Provider (I've no clue what this is) EventID: 3 - Kernel-EventTracing (Again, lost) EventID: 8003 - bowser (this seems fishy) and the one critical that I know others have been dealing with as I've browsed some other responses on the web: EventID: 41 - Kernel-Power any help to solve this problem would be GREATLY appreciated.

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• Win 7 64 with 8 gig of ram, getting running low on memory errors.

  - by John

  I have a new Dell laptop running Win7 64 with 8 meg of ram. If I leave the system running overnight I start getting low memory errors the next day. Looking at task manager it shows 6.27 gig used but looking at the processes list the totals don't show nearly that much. I am showing all processes from all users. I have also looked at the processes with PRocess Explorer and see the same results. Using resource monitor I see 4165 MB in Use, 2328 MB Modified and 1352MB Standby with only about 345 MB free. These numbers don't seem to add up to what I have running. I have Visual Studio 2010 running along with a number of IE8 sessions. I have run the same set of apps with XP SP2 32 bit with 4 gig of memory and never had this sort of problem. What is Modified memory? What is Standby memory? Any suggestions on what might be the issue and what might be a fix? TIA J

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• Using Monit to monitor Resque

  - by Alex

  I'm trying to use resque as a job runner for Rails. I've tried this config, and many other ways of demonizing the rescue task (because running rake resque:work leaves the terminal tied to that command). Unfortunately, their example configuration doesn't work for me. Does the configuration look correct? Or is there another way to turn the process into a daemon? Thank you :) check process resque_worker_QUEUE with pidfile /data/APP_NAME/current/tmp/pids/resque_worker_QUEUE.pid start program = "/bin/sh -c 'cd /data/APP_NAME/current; RAILS_ENV=production QUEUE=queue_name VERBOSE=1 nohup rake environment resque:work& > log/resque_worker_QUEUE.log && echo $! > tmp/pids/resque_worker_QUEUE.pid'" as uid deploy and gid deploy stop program = "/bin/sh -c 'cd /data/APP_NAME/current && kill -s QUIT `cat tmp/pids/resque_worker_QUEUE.pid` && rm -f tmp/pids/resque_worker_QUEUE.pid; exit 0;'" if totalmem is greater than 300 MB for 10 cycles then restart # eating up memory?

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• What apps can you only get on Mac and not Windows?

  - by ytk

  What apps do you absolutely have to use a Mac to run, and there are no decent Windows PC equivalent? This is not a religious war. Please be specific and practical It doesn't have to be a direct 1-2-1 comparison, but overall usefulness to the task I'll start off with a few: KeyNote -- the animations are quite cool and not available in PowerPoint iTune's photo sync -- on Windows it makes copy of all the photos you want to sync, effectively double the space taken up by your photos. On a Mac it's easier as long as you use iPhoto Keychain -- a centralized password manager tied to the OS. The benefit of this is you don't have to set a Master Password (like Firefox) which you need to enter when starting the browser. And it doesn't reveal your password (like Chrome, which makes no effort in hiding the password you have stored in Options) Time Machine -- 0-configuration backup in the background. Easy interface for restoring a file, or even just a contact in the address book. Text-to-speech -- works in any program, and sounds better than Windows computer voice Quick View -- press space bar to preview a file. Windows95 had quick view, but was removed.

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• How two completely unrelated software can affect each other in a very strange manner?

  - by user40602

  I installed an old game on my old PC and it doesn't work; its process/exe file was listed in task manager but nothing appeared on the screen. then some time later i discovered that when some specific program was running an my pc, that game could be executed without that problem! although i am myself a power user and also a programmer, i couldn't find the reason, and don't have any good guesses about it. i just know that when i want to run that game i should have another specific and unrelated program running. i ask if anyone has any idea/guess about the possible reasons for this rare phenomenon! oh and if u ask about the details/names of those programs, i am afraid of telling that, because others may think i am kidding, but i am not (please believe me!), that game is NFS2 and the other program is mysqld.exe (i said before that i am a programmer!). I don't know how mysqld.exe (yes it is the windows version of the famous MySQL DBMS server) can affect NFS2 in such an strange manner, and my curiosity and profession don't let me to forget seeking for the answer, so i decided to take the help of others to see if someone has had a similar experience or a reasonable idea about it.

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• hg clone has stopped working on my Vista box

  - by vkraemer

  I have a Windows Vista machine that has been connecting to http://hg.netbeans.org productively for awhile... until recently. Lately, when I attempt to pull or clone, the update appears to stall... I see the following messages on the screen when I attempt to clone: destination directory: web-main requesting all changes adding changesets And then... nothing happens. I have opened the Task Manager and there doesn't appear to be any significant network activity for HOURS. I can contact the server with FireFox and see the proper output. I can clone from the repo with Solaris and/or Mac OS X... so the issue doesn't appear to be at the 'other end'. I had been running a fairly old version of Mercurial before this started happening. After it started happening, I upgraded to Mercurial 1.5.2.. which did not help resolve the issue at all. What are the likely causes and work-arounds for this?

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• Reverse NAT Setup for Hyper-V on Win 2008 R2

  - by sukru

  I'm trying to setup a Linux server behind a Windows Hyper-V host that will help supply some of the services (SSH, HTTPS, etc). However getting RRAS configured for reverse NAT (port forwarding) turned out to be a non trivial task. As a staring point, I tried forwarding port 22 (SSH) to the virtual machine. The virtual machine is on a public interface (i.e.: it also has a visible IP on the same network as the host). On RRAS management console I tried to add a rule, by adding "Local Area Connection" to NAT pool (Public Interface - Enable Nat), and an incoming rule for port 22 - :22. I also tried with the same port enabled on Windows Firewall (and not). The NAT management page tells there are "1 mappings" and "30+ Outbound packets transleted". However all other counters (Inbound packets translated, and respective rejected ones) are always zero. (I'm trying to access the server from an external machine). I can directly access the service if I give the VM's public IP, but not the host's one. Is there a way to enable this on RRAS?

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• Increasing link speed on OpenVPN (bandwidth)

  - by Mike

  I have bought a tunnel service by using OpenVPN. For a year I've had 10 Mbps max upload/download speed but now I've bought an additional 20 Mbps making the available total bandwidth 30 Mbps for me. On their homepage there are some controls available for me, for example to restart the tunnel. I've done that. It also says that the speed has indeed been upgraded to 30 Mbps on their page. I also got an email that said they have upgraded the speed. However after I reboot my machine, and OpenVPN has started up and is running as usual, when I look at the Windows Task Manager (opens when pressing CTRL+SHIFT+ESC) in the "Networking" tab I still have a link speed of only 10 Mbps. Two adapters are listed: Local Area Connection 4 (10 Mbps) and Local Area Connection 5 (100 Mbps). LAC5 is my "real" adapter, I have a 100 Mbps Internet connection if I don't use a tunnel. LAC3 is the virtual adapter used by OpenVPN. The problem is that it is still showing 10 Mbps even though I have upgraded to 30 Mbps. How can I fix this?

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• Using iptables to make a VPN router

  - by lost_in_the_sauce

  I am attempting to make a VPN connection to a third party VPN site, then forward traffic from my internal computers (ssh and ping for now) out to the VPN site using IPTables. 3rd Party <- (tun0/eth0)Linux VPN Box(eth1) <- Windows7TestBox I am running on CentOS 6.3 Linux and have two network connections eth0-public eth1-private. I am running vpnc-0.5.3-4 which is currently connecting to my destination. When I connect I am able to ping the destination IPAddresses but that is as far as I can get. ping -I tun0 10.1.33.26 success ping -I eth0 10.1.33.26 fail ping -I eth1 10.1.33.26 fail I have my private network Windows 7 test box set up to have the eth1 (private) network of my VPN Server as its gateway and can ping him fine. I need IPTables to send the Windows 7 traffic out the VPN tunnel. I have tried for a few days many different IPTables configurations from this site and others, either the other examples are too simple or overly complicated. The only thing this server is doing is connecting to the VPN and forwarding all traffic. So we can "flush" everything and start from scratch here. It is a blank slate. #!/bin/bash echo "Define variables" ipt="/sbin/iptables" echo "Zero out all counters" $ipt -Z $ipt -t nat -Z $ipt -t mangle -Z echo "Flush all active rules, delete all chains" $ipt -F $ipt -X $ipt -t nat -F $ipt -t nat -X $ipt -t mangle -F $ipt -t mangle -X $ipt -P INPUT ACCEPT $ipt -P FORWARD ACCEPT $ipt -P OUTPUT ACCEPT $ipt -t nat -A POSTROUTING -o tun0 -j MASQUERADE $ipt -A FORWARD -i eth1 -o eth0 -j ACCEPT $ipt -A FORWARD -i eth0 -o eth1 -j ACCEPT $ipt -A FORWARD -i eth0 -o tun0 -j ACCEPT $ipt -A FORWARD -i tun0 -o eth0 -j ACCEPT Again I have done many variations of the above and many other rules from other posts but haven't been able to move forward. It seems like such a simple task, and yet....

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• Monitoring Between EC2 Regions

  - by ABrown

  I'm working on a small EC2 project that involves a handful of servers in two different regions (US East and EU West). My first task is to implement a Nagios monitoring solution. Monitoring within a region is simple - I just use the private domain names/IPs, but I'm a little unsure of the best way to handle monitoring the second region without setting up a second Nagios install. The environment is fairly static, so I'm not going to be scripting the configuration with the EC2 tools just yet. As I see it, I have two options. Two Nagios installations (which is over-kill for the small number of servers I'm dealing with). Pros: I don't have to alter the group permissions nor do I have to pay for the traffic, redundancy in the monitoring solution - I could monitor the Nagios servers. Cons: two installations to deal with and I'd need to run another server instance. Have the single installation monitor both regions. Pros: one installation to deal with. Cons: slightly reduced security - security group will have to have NRPE (5666) opened for one source IP and also paying for a small amount of bandwidth at the Internet rate for data transfer between the regions. I guess my question is - how have others handled this problem and what are your recommendations? Thanks!

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