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• Recovering from backup without original install media

  - by KGendron

  A machine from my old job had a complete hard drive failure. I have backups but I'm running into severe problems restoring from them. The only install media was a secondary restore partition on the system's hard drive. I hate whoever came up with that idea more than i can possibly express with words. I spent several days trying to recover the disk - it is pretty well shot and none of my best tricks could even get it to show up in the bios/ The machine that broke is an hp with xp media center edition on it (I don't know why either). The backups were created using the default windows backup tool - I have .bfk file on an external hardrive that i am trying to restore from. I've replaced the hard drive. My home machine is running windows 7 64bit and i'm trying to use it as a platform to restore to the other disk. I downloaded the window 7 nt-restore utility, however no matter what i do it restores to my C drive rather than the specified drive. Fortunately win7 security settings prevented it from being a complete disaster - but still not a happy thing. I tried firing up the xp virtual machine. I can browse to the backups but it says they are invalid and refuse to let me view/ continue with the restore. I tried installing XP to an extra harddrive on my machine - however it bluescreens on me during the install process and I cry. I tried installing xp pro to the new drive and attempted to restore over it, it of course blackscreened on me as that was a stupid idea. I made two partitions on the new hard drive (Apparently the bios on this accursed piece of junk doesn't allow hd partitions larger than 200G anyways and thus fails 40 minutes into the install with an ever-descriptive "Disk Read Error". Guess how i spent last weekend? My last idea was to install xp pro to the second partition and then use it to restore from backup to the first. After the first restart it gives me the error "Windows could not start because of a computer disk hardware configuration problem. Could not read from the selected boot disk. Check boot path and disk hardware". My brain made one of those bad hard drive clicky noises. I've tried several boot disks but they don't seem to work. If anyone has a link to a good one it would be greatly appreciated. Anyone have any more ideas? - I really hate asking on what seems like such a simple issue but i am quite literally at my wit's end. Thanks - and sorry for the really long post.

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• turn off disable the performance cache

  - by jessie

  OK I run a streaming website and my CMS is giving me an error when uploading videos "Failed To Find Flength File" ok so I did some research. The answer I got from the coder was below. I did do all that, but the only thing I could not do is turn off what he refers to as performance cache, talked about in the last sentence... I am on a Cent OS Assuming the script is set up properly, you are probably dealing with some kind of write-caching. Some servers perform write-caching which prevents writing out the flength file or the entire CGITemp file during the upload. The flength file or the CGITemp file do not actually hit the disk until the upload is complete, making it worthless for reporting on progress during the upload. This may be fixed using a .htaccess file assuming your host supports them. Here is a link to an excellent tutorial on using .htaccess files. I strongly recommend giving it a quick read before attempting to install your own .htaccess file. 1. A mod_security module for Apache. To fix it just create a file called .htaccess (that's a period followed by "htaccess") and put the following lines in that file. Upload the file into the directory where the Uber-Uploader CGI ".pl" scripts resides, or in some directory above it (like your server's DOCUMENT_ROOT, i.e. the top-level of your webspace). htaccess files must be uploaded as ASCII mode, not BINARY. You may need to CHMOD the htaccess file to 644 or (RW-R--R--). # Turn off mod_security filtering. SecFilterEngine Off # The below probably isn't needed, # but better safe than sorry. SecFilterScanPOST Off If the above method does not work, try putting the following lines into the file SetEnvIfNoCase Content-Type \ "^multipart/form-data;" "MODSEC_NOPOSTBUFFERING=Do not buffer file uploads" mod_gzip_on No 2. "Performance Cache" enabled on OS X SERVER. If you're running OS X Server and the progress bar isn't working, it could be because of "performance caching." Apparently if ANY of your hosted sites are using performance caching, then by default, all sites (domains) will attempt to. The fix then is to disable the performance cache on all hosted sites.

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• How to stretch the image from one screen to two screens

  - by wxiiir

  I want to be able to stretch the image from one monitor to a second monitor even if i have to use some software to do it. For example i want the top half of the image that is now shown on my first monitor to occupy the whole second monitor and i want the bottom half to occupy the whole first monitor, or the other way around i don't really care as long as it works. I would be cool to know how to do the same stuff but to the left half and right half. I know that image pixels would have twice the lenght or height this way but i don't really care about it as long as it works so basically i want the stuff to show on both monitors but with the same pixels as before. I have a hd4870 and windows7 and hd4000 family doesnt support having two monitors behaving like a large one, only hd5000 upwards, this would solve my problems without any of the drawbacks but it just can't be done (or maybe it can via software but i'm just too tired of searching). A solution to make almost any graphic card have two monitors behaving like a large one is matrox dualhead2go but that's just as expensive as a good hd5000 card so it's not worth it. thanks in advance EDIT I guess that nobody so far was able to fully comprehend my problem that was very explicitly written but i will elaborate some more. My hd4870 can have 2 monitors working with it but some stuff like games won't run on both monitors, which sucks. There are some ways to circumvent this problem and two of them are perfect or almost perfect but expensive and the third would be a software solution that would make it possible. The first one is to have and hd5000 family video card which will work just fine with both monitors. The second is to have a matrox dualhead2go that will make my hd4870 detect my two monitors as a large monitor. The third is to have a software that makes my two displays be detected as a large display and then captures the output of the video card, splits the images and renders them as 2d images to both monitors OR a simpler one but that would make outputted pixels double the width or height would be to capture the output of the graphics card to one screen, split it in two and enlarge it to fit both monitors and then output it to the monitors. p.s. By capturing the output of the video card i mean just make the video card process the stuff in a certain way. Making the video card detect two monitors as a large one via software may be a bit impossible or impracticable but stretching the output as a 2d image from one to both monitors for some coders should be a walk in the park so it would be likely that such program would exist or that some widespread softwares for dual monitor would have such function in them.

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• I can't delete a directory inside a junctioned directory

  - by Fredy Muñoz

  So this is the deal. A couple of days ago I moved my profile folder C:\Documents and Settings\fmunoz to a different drive D:\fmunoz. Today, I created a directory in my desktop using the point-and-click method: Right-click on an empty space in the desktop Select New Select Folder Leave the default name New Folder and press Enter I tried to delete the folder using the point-and-click method: Right-click the New Folder directory Select Delete After five seconds, I got the following message: --------------------------- Error Deleting File or Folder --------------------------- Cannot delete New Folder: Access is denied. Make sure the disk is not full or write-protected and that the file is not currently in use. --------------------------- Initially I thought that there must be some sort of indexing services locking the directory so I got a list of open files using the TuneUp Process Manager tool but the New Folder directory wasn't there. I double-clicked My Computer, navigated to the desktop directory C:\Documents and Settings\fmunoz\Destkop, tried to delete the New Folder directory using the same point-and-click method described above and got exactly the same message at the same amount of time. In the same window, I navigated to the actual location of the desktop directory D:\fmunoz\Desktop, tried to delete the New Folder directory and this time it worked. I thought that this behavior was due to some special treatment that Windows gives to the desktop or the profile directories so I tried doing the same thing with a different set of directories: Created a folder D:\dummy Created a junction C:\dummy pointing to D:\dummy Created a New Folder directory in C:\dummy Tried to delete New Folder from C:\dummy. Didn't work. Tried to delete New Folder from D:\dummy. It worked. I tried creating the folder in the actual directory rather than the junction directory: Created a New Folder directory in D:\dummy Tried to delete New Folder from C:\dummy. Didn't work. Tried to delete New Folder from D:\dummy. It worked. I also tried using the Delete button instead of using the Delete option of the context menu but it didn't work. When using the Shift+Delete sequence, it works. It also works by using the rd command in the console, but in both cases the deleted directory doesn't goes to the Recycle Bin, which is my intention when using the Delete context menu option or the Delete button.

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• Why does this service refuse to start on Windows server 2003?

  - by PenguinCoder

  We have a Windows 2003 server with Cebos MQ1 (ver. 7 and ver. GRI) products installed that have been operational for years. After installing Microsoft 2010 C++ Redistributable package needed for other development, the MQ1 GRI service now fails to start. Event logs showed that two additional updates (.NET4 and the 2010 C++ Redistributable SP2) where installed by the redistributable as well. As soon as we discovered the MQ1 service was not starting properly, we removed these three installed packages. However the service still does not start; the dialog that pops up states 'The service started then stopped. '. Event logs when we attempt to start the service show nothing; IE: No errors, crashes, failures, or other information related to this service. Executing the MQ1Serv.exe directly specifies an issue of 'Missing command line operation, must specify install, uninstall and company abbreviation.' sc query MQ1Service(GRI) shows a clean exit for the Win32ExitCode of 0x0. Attempting to reinstall the client or server software gives an error of 'The procedure entry point ReInitializeCriticalSection could not be located in the dynamic link library KERNEL32.dll.' at the 'Registering Libraries' stage. At this point, further research has stated that the required function is in URL.dll and to verify the library is not corrupted. Running an sfc /scannow on the server has replaced a few DLLS; including the URL.DLL to versions from 2005. This actually broke other applications which required a reinstall (one of them being IE 7). After reinstall and updates, url.dll version is 7.0.5730.13 (2009) and Kernel32.dll is version 5.2.3790.4480 (2009). The MQ1 GRI service still will not start, specifying the same error as previous 'Service started then stopped'. Running a disassembler on Kernel32.dll and Url.dll show no functions named ReinitializeCriticalSection. Attempting the reinstall of the MQ1 client and server as well as starting the service again, fails once more. However, setting the compatibility mode on the MQ1 client install exe to 'Windows 95' actually gets the program to install. Setting the compatibility mode on the MQ1 server service does not enable it to start. I have been researching this problem for nearly a week and besides the advice to scan and replace url.dll, have come to no successful conclusions. This service was operational prior to the 2010 C++ install, without any additional parameters or settings. After removing the C++ install and all servicepacks/updates it installed silently, still does not correct the issue of the MQ1 GRI service not starting. Q: Has anyone else run into this or similar issue while attempting to get a service initialized? What have I overlooked or what else can I try in order to get this service started??

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• Caching issue with Centos forwarding DNS server

  - by Paddington

  I installed a Forwarding DNS server on Centos 5.10 and it is resolving addresses e.g google.com. When I stopped named (service named stop) and tried to dig (dig @localhost A google.com) there was a failure to resolve the address. I checked and see the caching daemon nscd is running. Does this mean the server is not caching at all? How can I get it to cache? named.conf options { // Those options should be used carefully because they disable port // randomization // query-source port 53; // query-source-v6 port 53; // Put files that named is allowed to write in the data/ directory: listen-on port 53 {127.0.0.1; 10.0.0.4;}; directory "/var/named"; // the default dump-file "/var/named/chroot/var/named/data/cache_dump.db"; statistics-file "/var/named/chroot/var/named/data/named_stats.txt"; memstatistics-file "/var/named/chroot/var/named/data/named_mem_stats.txt"; // allow-query {localhost; 192.168.0.0/24; 10.0.0.0/8;}; recursion yes; //allow-query { localhost; 10.0.0.0/8;}; allow-query { localhost; any; }; allow-query-cache { localhost; any; }; forward only; forwarders {8.8.8.8; 8.8.4.4;}; dnssec-enable yes; // dnssec-lookaside auto; /* Path to ISC DLV key */ // bindkeys-file "/etc/named.iscdlv.key"; // managed-keys-directory "/var/named/dynamic"; }; logging { channel default_debug { file "data/named.run"; severity dynamic; }; }; **

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• Low FPS in some games, but hardware not fully used

  - by Mario De Schaepmeester

  I just did a little funny experiment in the game/sim "Train Simulator 2013". I normally have good FPS in it (around 30) at full settings. What I did was make a really, really long train so that the calculations the sim needed to make were enormous (the sim is quite realistic, it takes all things into account like speed/acceleration, G-forces, comfort levels, possible wheel slip and many more, and most of those things on each carriage seperately). This resulted in only 14FPS as reported by the game, but it felt more like 8FPS or so. I have a Logitech G15 keyboard which has an LCD, and it allows me to monitor CPU/RAM and video card load on it. The strange thing is, all CPU cores were busy, but the total load was only about 60% maximum at all times. The video card was only on 30% load (possibly an important note, the memory was full, which is however not unusual for the game in question). The RAM had plenty of room and there weren't many operations as it didn't grow or shrink much. I just have the feeling that the game would run smoother if it used more of my hardware power. Why is it not doing so? I had the same in another game, The Elder Scrolls: Morrowind when using more than 100 mods (that all use scripting) and a few high res texture mods, + a full-on graphics improvement program. The engine is very old (2003), and so I thought this might be the cause (not being optimised for multithreading). I had thought of possible causes, like: The operating system doesn't let the games use all the resources. It doesn't make use of multi-threading appropriately. To eliminate the former, I tried a CPU stress tool and that got 100% CPU juice as I let it run, so the OS is not the problem. I gave its thread the "higher" priority though. My actual question In both games, I did things the engine was not really built to do or support. Can those games' framerate be limited cause of their own engine not being able to cope? What is the real reason and more importantly, can I help it? And in any case, could something actually be wrong with my hardware? It's all reasonably new, a couple of months, and I (almost) never experience any other trouble. Modern and much more demanding games work absolutely fine. Specs CPU: AMD Phenom II 965 X4 @ 3.4gHz RAM: 8GB of DDR3 RAM Video: MSI GTX560 (nVidia chip) with 1GB of GDDR5 memory OS: Windows 7 Ultimate 64 bit Nothing overclocked.

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• Pushing Large Files to 500+ Computers [closed]

  - by WMIF

  I work with a team to manage 500-600 rented Windows 7 computers for an annual conference. We have a large amount of data that needs to be synced to these computers, up to 1 TiB. The computers are divided into rooms and connected through unmanaged gigabit switches. We prepare these computers ahead of time with the Windows installation and configuration, plus any files that we have available to us before we send the base image in for replication by the rental company. Every year, we have presenters approach on site with up to gigs of data that need to be pushed to the room that they will be presenting in. Sometimes they only have a few files that are small sizes, such as a slide PDF, but can sometimes be much larger 5 GiB. Our current strategy for pushing these files is using batch scripts and RoboCopy. For the large pushes, we actually use a BitTorrent client to generate a torrent file, and then we use the batch-RoboCopy to push the torrent into a folder on the remote machines that is being monitored by an installed BT client. Often times, this data needs to be pushed immediately with a small time window. We have several machines in a control room that are identical to the machines on the floor that we use for these pushes. We occasionally have a need to execute a program on the remote machines, and we currently use batch and PSexec to handle this task. We would love to be able to respond to these last minute pushes with "sorry, your own fault", but it won't happen. The BT method has allowed us to have a much faster response time, but the whole batch process can get messy when there are multiple jobs being pushed. We use Enterprise Ghost for other processes, and it doesn't work well in this large of scale, plus it is really quite expensive for a once-a-year task like this. EDIT: There is a hard requirement that the remote machines on the floor are running Windows. The control machines do not have a hard OS requirement. I would really like to stay away from Multicast because of complications with upstream routers. Is Multicast or BitTorrent the better way to go on this? Is there another protocol that might work better?

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• Wireless Network suddenly cant connect after Windows update

  - by vinir

  UPDATE: As my patience started to end, the laptop started to display symptoms of other malfunctions, so I ended up returning it to Asus and actually had the price of the laptop back in store credit. I did not solve the problem per se, but as I don't have the notebook and the screen, the keyboard, the touchpad and other parts were malfunctioning, I can safely assume that it was put to rest. I don't know how to behave when my question isn't actually answered, but was "solved", so I placed this over here. Anyone that knows how to end this topic, I would appreciate the heads up. Thanks for everything, everyone, it's nice to see that this topic in the community was active even when all this time had passed. vinir So I bought an ASUS K43E notebook earlier this year and built a wireless conection to link it to. It worked great for the first weeks, but then I updated my Windows 7 Home Basic with the daily updates; After that my home network couldn't be reached no matter what I did. I have linux on dual boot on the same notebook and it can connect to my home wireless network flawlessly. I have a hunch that it's somehow related to the Network Profile settings. I have noticed my network was set as "Home network", but after the system updates I got changed to "Public". Now I can't connect to it to change the profile settings. My Atheros Network adapter is updated to the latest driver (march 2012), and I still can't connect. The funny thing is that the same thing happened to my mother's notebook, as it has the same Network Adapter, Atheros AR9285, as I recall it. I managed to fix it on my mother's computer by using an specific network LSP and profiling reset that was available through her notebook's antivirus program, avast! Internet Security. I can't get that to work on my notebook, but I suspect that some related tool might just make it work too. So the question is: how to modify a network's profile and settings that were stored in my notebook? I can't connect to the specific network on Windows, as stated before.

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• QNAP (469L) with Debian: can't connect to router

  - by agtoever

  I've been running my QNAP 469L with Debian (Wheezy deb7u3) for a few months. Yesterday I upgraded the memory to 4 GB. The system boots fine, but since the upgrade, I'm not able to connect the server to my router (a TP-Link WR941ND). My configuration: The router runs a DHCP server (192.168.67.100 and up), with a preconfigured ip address for the QNAP (192.168.67.10). The router is on 192.168.67.1. As said, Debian is installed on the QNAP (which can be regarded as a normal computer). Networking hardware on the QNAP: Intel PRO/1000 Network Connection using the e1000e kernel module. This is what I have tried so far: Replace the network cable (tried 3 different cables on different router ports). Check for messages from the kernel: dmesg | grep eth. Besides the normal hardware messages I get a ADDRCONF(NETDEV_UP): eth0: link is not ready for each call to ifup. Manually restart the network sudo server networking restart Check sudo ifconfig (eth0 is up, but no ip addresses). Check the /etc/network/interfaces which has (besides the loopback device) an allow-hotplug eth0 and iface eth0 inet dhcp, which is afaik the default Debian configuration. Since the server has two ethernet ports, I checked if I'm using the right port (checked the hardware address that ifconfig reports for eth0 is the same as the hardware address that is in the preconfigured ip address for the server in the router. Do a manual sudo ifdown eth0 && sudo ifup eth0 with no results (but an extra ADDRCONF(NETDEV_UP): eth0: link is not ready in the kernel log) Do a dhcp request dhclient -v eth0: for about a minute requests are send (according to the terminal) and at the end I get a No DHCPOFFERS received. No working leases in persistent database - sleeping.. Check the router system log if DHCP requests are received. I see them for some devices (my Mac, my iPhone) but not from the QNAP. The log entry looks like: DHCPS:Recv REQUEST from 84:85:06:07:75:6A and then a DHCPS:Send ACK to 192.168.67.101. There are no records from the QNAP's hardware address. So the two error messages that I do get are: ADDRCONF(NETDEV_UP): eth0: link is not ready for every ifup and No DHCPOFFERS received. No working leases in persistent database - sleeping. for every DHCP call.

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• Nginx SSL redirect for one specific page only

  - by jjiceman

  I read and followed this question in order to configure nginx to force SSL for one page (admin.php for XenForo), and it is working well for a few of the site administrators but is not for myself. I was wondering if anyone has any advice on how to improve this configuration: ... ssl_certificate example.net.crt; ssl_certificate_key example.key; server { listen 80 default; listen 443 ssl; server_name www.example.net example.net; access_log /srv/www/example.net/logs/access.log; error_log /srv/www/example.net/logs/error.log; root /srv/www/example.net/public_html; index index.php index.html; location / { if ( $scheme = https ){ rewrite ^ http://example.net$request_uri? permanent; } try_files $uri $uri/ /index.php?$uri&$args; index index.php index.html; } location ^~ /admin.php { if ( $scheme = http ) { rewrite ^ https://example.net$request_uri? permanent; } try_files $uri /index.php; include fastcgi_params; fastcgi_pass 127.0.0.1:9000; fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; fastcgi_param HTTPS on; } location ~ \.php$ { try_files $uri /index.php; include fastcgi_params; fastcgi_pass 127.0.0.1:9000; fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; fastcgi_param HTTPS off; } } ... It seems that the extra information in the location ^~ /admin.php block is unecessary, does anyone know of an easy way to avoid duplicate code? Without it it skips the php block and just returns the php files. Currently it applies https correctly in Firefox when I navigate to admin.php. In Chrome, it downloads the admin.php page. When returning to the non-https website in Firefox, it does not correctly return to http but stays as SSL. Like I said earlier, this only happens for me, the other admins can go back and forth without a problem. Is this an issue on my end that I can fix? And does anyone know of any ways I could reduce duplicate configuration options in the configuration? Thanks in advance! EDIT: Clearing the cache / cookies seemed to work. Is this the right way to do http/https redirection? I sort of made it up as I went along.

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• How to install RAID drivers on already installed Windows 7?

  - by happysencha

  64-bit Windows 7 Ultimate 6GB RAM Intel i7 920 Intel X25-M SSD 80GB 2,5" Club 3D Radeon HD5750 GA-EX58-UD4P Motherboard I've been running fine with Windows 7 installed on the SSD. I wanted to create an mirrored Raid-1 setup for backups using two hard disks, so I ordered two Samsung HD203WI. This motherboard supports two different RAID controllers, the Intel's ICH10R and Gigabyte's SATA2 SATA controller. There are 6 SATA ports behind the ICH10R and 2 SATA ports for the Gigabyte controller. I googled around and seemed that the ICH10R is a better choice and since then I've been trying to make it work. When I activate the [RAID] mode from BIOS, the Windows 7 gives BSOD exactly as described by this guy: "Windows 7 will start to boot, it gets to the screen where there are 4 colors coming together and it blue screens and restarts no matter what I do." First thing I did: turned off the RAID and booted to Windows and tried to install the SATA RAID drivers from Gigabyte. I launch the driver installation program and it gives "This computer does not meet the minimum requirements for installing the software" error. I then tried Intel's Rapid Storage Technology drivers (which apparently is the same as the one offered at Gigabyte's site), but it resulted in exactly the same error. I then detached the new Samsung hard disks from the SATA ports, but left the [RAID] enabled in BIOS. To my surprise, it still BSOD'd, so at this point I knew it is an OS/driver issue. Also, I tried with the Gigabyte's RAID enabled (while the ICH10R RAID disabled) and it booted just fine. So then I thought, that maybe I can't install the RAID drivers from within the OS. So I caused the BSOD on purpose once again, and then with ICH10R RAID activated and Samsung hard disks attached, I choose the Windows 7 Recovery mode in the boot menu. It sees some problem(s), tries to repair, does not succeed and does not ask for drivers (which I put on a USB stick) to install. I also tried to use the command-line in the recovery: "rundll32 syssetup, SetupInfObjectInstallAction DefaultInstall 128 iaStor.inf" but it gave "Installation failed." So I'm clueless how should I proceed. Do I really need to re-install Windows 7 and load RAID drivers in the Win7 setup? I don't want to install any OS on the RAID, the Windows 7 is and will be on the SSD. I just want to have a RAID-1 backup using those two hard disks. I mean why would I need to re-install operating system to add RAID setup?

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• Why is Windows 7 not following all routes?

  - by GigabyteProductions

  My computer is connected to my secondary router that's running the 192.168.42.0/24 network and my computer also has a route that directs anything on that network to the router, but for anything on that network other than the router itself, it get's the ICMP response of Reply from 192.168.42.194: Destination host unreachable. (with 192.168.42.194 being my computer). Every other network works, like all of the internet, or addresses on my primary router like 192.168.1.*, just not on the 192.168.42.0/24 network... route print returns: IPv4 Route Table =========================================================================== Active Routes: Network Destination Netmask Gateway Interface Metric 0.0.0.0 0.0.0.0 192.168.42.1 192.168.42.194 276 127.0.0.0 255.0.0.0 On-link 127.0.0.1 306 127.0.0.1 255.255.255.255 On-link 127.0.0.1 306 127.255.255.255 255.255.255.255 On-link 127.0.0.1 306 192.168.42.0 255.255.255.0 On-link 192.168.42.194 276 192.168.42.194 255.255.255.255 On-link 192.168.42.194 276 192.168.42.255 255.255.255.255 On-link 192.168.42.194 276 224.0.0.0 240.0.0.0 On-link 127.0.0.1 306 224.0.0.0 240.0.0.0 On-link 192.168.42.194 276 255.255.255.255 255.255.255.255 On-link 127.0.0.1 306 255.255.255.255 255.255.255.255 On-link 192.168.42.194 276 =========================================================================== Persistent Routes: Network Address Netmask Gateway Address Metric 0.0.0.0 0.0.0.0 192.168.42.1 Default =========================================================================== The only time anything is supposed to send an ICMP Host Unreachable response is when there's no route to it, right? So, why is my own computer sending that to ping or tracert when I have the route of 192.168.42.0 with the mask of 255.255.255.0? An IP address of 192.168.42.2 surely fits into that route. If I explicitly add a route for the IP address i am trying to access, it works, like: route add 192.168.42.2 mask 255.255.255.255 192.168.42.1 (the 192.168.42.1 right after mask is gateway, or the device to send the packet to so it can route it further), but why wont it work for the implicit route that's automatically on the table? I disabled my firewall, too (I use Comodo if anyone thinks this still serves as a problem). I'v even tried explicitly adding the gateway of 192.168.42.1 to the 192.168.42.0/24 route instead of it routing through 0.0.0.0's gateway, which is what On-link does. but that didn't work either, so it's not a gateway specification problem. If the host was really unreachable, it would be the router's IP address (192.168.42.1) sending that to me... This network is all of my creation, so there's no problem such as an administrator locking me out, because i am the administrator.

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• Can't install .NET framework 4.0 on Windows XP professional version 2002 SP3 (OS bug?)

  - by that guy

  .NET framework 4.0 install fails on Windows XP professional version 2002 SP3: I tried to run setup using "run as..." to make sure the admin rights are used ("protect my computer..." tick was deselected of course). I tried everything: installing using online/offline setup, windows update. install goes a little and then "rolls back" and says: Installation did not succeed .NET Framework 4 has not been installed because: Fatal error during installation. for more information about this problem, see the log file. the full log: http://pastebay.net/1433771 Any ideas? EDIT1: I have found this in the log: "BlockIf: You must install the 32-bit Windows Imaging Component (WIC) before you run Setup. Please visit the Microsoft Download Center to install WIC, and then rerun Setup...." So I found it, and launched "wic_x86_enu.exe" - but it said: WIC Setup error Newer version of update is already on the system. I have already installed: .NET framewrok 2.0 SP2 .NET framewrok 3.0 SP2 .NET framewrok 3.5 SP1 but I need 4.0 . EDIT2: another attempt and it's log. (this time better copy of log file): http://pastebin.com/gmGfbM9a (copy to notepad and save as .htm and open with internet browser). I have tried all the solutions I could find - and nothing helped. I have found something weird: when I formatted the hard drive and installed windows xp again - the .NET framework 4.0 installed ok, but when I plugged my 100Mbit internet cable - the operating system kind off "locked itself" and the bug returned - I could no longer install .NET framework 4.0 again. There was no reason for that to happen, for example I have windows server 2003 in local network, but I don't have active directory enabled on it or anything like that - the server just has some folders shared and thats all (all server's "features" are default). I had the second pc with the same problem - with XP on it too. This seems like the bug of Operating System to me. I couldn't find what was causing the problem. After many days I gave up: backuped everything, formatted HDD and installed Windows 7 professional 64bit. .NET framework 4.0 installed with no problem on it.

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• How to make Nginx fire 504 immediately is server is not available?

  - by Georgiy Ivankin

  I have Nginx set up as a load balancer with cookie-based stickiness. The logic is: If the cookie is NOT there, use round-robbing to choose a server from cluster. If the cookie is there, go to the server that is associated with the cookie value. Server is then responsible for setting the cookie. What I want to add is this: If the cookie is there, but server is down, fallback to round-robbing step to choose next available server. So actually I have load balancing and want to add failover support on top of it. I have managed to do that with the help of error_page directive, but it doesn't work as I expected it to. The problem: 504 (and the fallback associated with it) fires only after 30s timeout even if the server is not physically available. So what I want Nginx to do is fire a 504 (or any other error, doesn't matter) immediately (I suppose this means: when TCP connection fails). This is the behavior we can see in browsers: if we go directly to server when it is down, browser immediately tells us that it can't connect. Moreover, Nginx seems to be doing this for 502 error: if I intentionally misconfigure my servers, Nginx fires 502 immediately. Configuration (stripped down to basics): http { upstream my_cluster { server 192.168.73.210:1337; server 192.168.73.210:1338; } map $cookie_myCookie $http_sticky_backend { default 0; value1 192.168.73.210:1337; value2 192.168.73.210:1338; } server { listen 8080; location @fallback { proxy_pass http://my_cluster; } location / { error_page 504 = @fallback; # Create a map of choices # see https://gist.github.com/jrom/1760790 set $test HTTP; if ($http_sticky_backend) { set $test "${test}-STICKY"; } if ($test = HTTP-STICKY) { proxy_pass http://$http_sticky_backend$uri?$args; break; } if ($test = HTTP) { proxy_pass http://my_cluster; break; } return 500 "Misconfiguration"; } } } Disclaimer: I am pretty far from systems administration of any kind, so there may be some basics that I miss here. EDIT: I'm interested in solution with standard free version of Nginx, not Nginx Plus. Thanks.

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• Why configuring manual IP do not work for me in DHCP?

  - by user58859

  I have broadband connection in my laptop. It's getting the IP by protocol. configuration is : ip : 192.168.1.2 subnet : 255.255.255.0 gateway : 192.168.1.1 Now I am curious, In IPV4 properties when instead of choosing "Obtain an IP address automatically", I choose "Use the following IP address" and configure everything same, why it do not work? Do DHCP do not work when we configure the IP manually? (operating system : windows-7) EDIT : After configuring the ip manually, when I used ipconfig/all , it's showing dhcp enabled : NO. I am not doing it. Why it got disabled automatically? and how to enable it? DHCP Enabled. . . . . . . . . . . : No Autoconfiguration Enabled . . . . : Yes IPv4 Address. . . . . . . . . . . : 192.168.1.2(Preferred) Subnet Mask . . . . . . . . . . . : 255.255.255.0 Default Gateway . . . . . . . . . : 192.168.1.1 NetBIOS over Tcpip. . . . . . . . : Enabled

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• How to run a restricted set of programs with Administrator privileges without giving up Admin acces (Win7 Pro)

  - by frLich

  I have a shared system, running Windows7 X64, restricted to a 'standard user' with no password. Not everyone who has access to the system has the administrator password. This works rather well, except for some applications - specially the unlock-applications for encrypted hard drives/USB flash drives. The specific ones either require Administrator access (eg. Seagate Blackarmor) or simply fail without it -- since these programs are sending raw commands to a device, this is to be expected. I would like to be able to add the hashes of these particular programs to a whitelist, and have them run as administrator without needing any prompts. Since these are by definition on removable media, I can't simply use a filename or even a path. One of the users who shares the system can be considered 'crafty', so anything which temporarily grants administrator rights to an user account is certain to cause problems. What i'd like to be able to do: 1) Create an admin account that can only run programs from a whitelist (or, failing that, from a directory) I can't find a good way to do this: As far as I can tell, SRP applies equally to ALL users? Even if I put a "Deny" token on all directories on the system, such that new directories would inherit it, it could still potentially run things from the mounted USB devices. I also don't know whether it's possible to create a new directory that DOESN'T inherit from the parent, that would lake the deny token, and provide admin access. 2) Find a lightweight service that will run these programs in its local context Windows7 seems to block cross-privilege level communication by default, and I haven't found such for windows 7. One example seems to be "sudo" (http://pages.cpsc.ucalgary.ca/~nfriess/sudo/) but because it uses a WLNOTIFY hook, it won't work under Vista nor Windows7 Non-Solutions: - RunAs: Requires administrator password! (but everyone calls it "sudo" anyway) - RunAs /savecred: Nice idea, but appears to be completely insecure. - RUNASSPC - Same concept as RunAs, uses "encrypted" files with credentials, but checks in user-space. - Scheduled Tasks - "Fixed" permissions make this difficult, and doesn't support interactive processes even if it did. - SuRun: From Google: "Surun uses its own Windows service that adds the user to the group of administrators during program start and removes him automatically from that group again"

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• Network speeds being report as 4x higher than actual in Windows 7 SP1

  - by Synetech

  Ever since installing Windows 7 SP1, I have noticed that all programs that display my network transfer rate have been exactly 4x higher than they actually are. For example, when I download something from a high-bandwidth web site or through torrents with lots of sources, the download rate indicated is is ~5MBps (~40Mbps) even though my Internet connection has a maximum of only 1.5MBps (12Mbps). It is the same situation with the upstream bandwidth: the connection maximum is 64KBps, but I’m seeing up to 256KBps. I have tried several different programs for monitoring bandwidth throughput and they all give the same results. I also tried different times and different days, and they always show the rate as being four times too high. My initial thought was that my ISP had increased the speeds (without my noticing), which they have done before. However, I checked my ISP’s site and they have not increased the speeds. Moreover, when I look at the speeds in the program actually doing the transfer (eg Chrome, µTorrent, etc.), the numbers are in line with the expected values at the same time that bandwidth monitoring programs are showing the high numbers. The only significant change (and pretty much the only change at all) that has occurred to my system since the change was the installation of SP1 for Windows 7. As such, it is my belief that some sort of change exists in SP1 whereby software that accesses the bandwidth via a specific API receives (erroneously?) high numbers while others that have access to the raw data continue to receive the correct values. I booted into Windows XP and downloaded some things via HTTP and torrent and in both cases, the numbers were as expected (like they were in Windows 7 before installing SP1). I then booted back into 7SP1 and once again, the numbers were four times higher than possible. Therefore it is definitely something in SP1 that has changed how local bandwidth is calculated/returned. There is definitely something wonky with Windows 7 SP1’s network speed calculation. I tried Googling this, but (for multiple reasons), have had a difficult time finding anything relevant. Has anybody else noticed this behavior? Does anybody know of any bugs or changes in SP1 that could account for it?

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• Convert apache rewrite rules to nginx

  - by Shiyu Sekam

  I want to migrate an Apache setup to Nginx, but I can't get the rewrite rules working in Nginx. I had a look on the official nginx documentation, but still some trouble converting it. http://nginx.org/en/docs/http/converting_rewrite_rules.html I've used http://winginx.com/en/htaccess to convert my rules, but this just works partly. The / part looks okay, the /library part as well, but the /public part doesn't work at all. Apache part: ServerAdmin webmaster@localhost DocumentRoot /srv/www/Web Order allow,deny Allow from all RewriteEngine On RewriteRule ^$ public/ [L] RewriteRule (.*) public/$1 [L] Order Deny,Allow Deny from all RewriteEngine On RewriteCond %{QUERY_STRING} ^pid=([0-9]*)$ RewriteRule ^places(.*)$ index.php?url=places/view/%1 [PT,L] # Extract search query in /search?q={query}&l={location} RewriteCond %{QUERY_STRING} ^q=(.*)&l=(.*)$ RewriteRule ^(.*)$ index.php?url=search/index/%1/%2 [PT,L] # Extract search query in /search?q={query} RewriteCond %{QUERY_STRING} ^q=(.*)$ RewriteRule ^(.*)$ index.php?url=search/index/%1 [PT,L] RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d # Rewrite all other URLs to index.php/URL RewriteRule ^(.*)$ index.php?url=$1 [PT,L] Order deny,allow deny from all ErrorLog ${APACHE_LOG_DIR}/error.log # Possible values include: debug, info, notice, warn, error, crit, # alert, emerg. LogLevel warn AddHandler php5-fcgi .php Action php5-fcgi /php5-fcgi Alias /php5-fcgi /usr/lib/cgi-bin/php5-fcgi FastCgiExternalServer /usr/lib/cgi-bin/php5-fcgi -socket /var/run/php5-fpm.sock -pass-header Authorization CustomLog ${APACHE_LOG_DIR}/access.log combined Nginx config: server { #listen 80; ## listen for ipv4; this line is default and implied root /srv/www/Web; index index.html index.php; server_name localhost; location / { rewrite ^/$ /public/ break; rewrite ^(.*)$ /public/$1 break; } location /library { deny all; } location /public { if ($query_string ~ "^pid=([0-9]*)$"){ rewrite ^/places(.*)$ /index.php?url=places/view/%1 break; } if ($query_string ~ "^q=(.*)&l=(.*)$"){ rewrite ^(.*)$ /index.php?url=search/index/%1/%2 break; } if ($query_string ~ "^q=(.*)$"){ rewrite ^(.*)$ /index.php?url=search/index/%1 break; } if (!-e $request_filename){ rewrite ^(.*)$ /index.php?url=$1 break; } } location ~ \.php$ { fastcgi_pass unix:/var/run/php5-fpm.sock; fastcgi_index index.php; include fastcgi_params; } } I haven't written the original ruleset, so I've a hard time converting it. Would you mind giving me a hint how to do it easily or can you help me to convert it, please? I really want to switch over to php5-fpm and nginx :) Thanks

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• My new hard drive doesn't have rights on my old one?

  - by Allan

  Until recently I had a 1 TB hard disk with Windows 7 on it, I have bought myself a SSD, removed the old harddisc and installed Windows 7 on my new one. After that I put back the old hard disk, and formatted it, now I could use that as backup and to keep files on. Nice, right? Well I was updating .Net framework through Windows update, when it stalled. I noticed some space was used on one of the drives on my secondary 'previously primary' hard disk. Apparently it was the .Net framework, trying to save some temporary files on my secondary disc, because it was the one with the most space. It was like it didn't get access. I cancled the installation and rebooted the computer. Now wanting to remove the temporary folder on my secondary harddisk. It told me. "You don't have access by SYSTEM", I don't understand, my user is administrator, its the only user there is and at the same time I can remove and delete any other folder on that drive. I'm gonna go a little pseudo here. But it feels as if the computer treats the old harddisk as protected from tampering by the new SSD. Also, I feel I should mention, they are both listed as primary, ... primary 0 and primary 1. Both using SATA cable. My old hard drive was partioned into 3 drives. 2 of them said the current owner was 'Administrator/myPCname' and the third one said the current owner was 'SYSTEM' I changed them all into the only one that I could pick from the list, which is my user since the 'Administrators/myPCname' wasn't exactly wrong.. could it be that they were somehow still attached to the old OS?.. the fact is I named my computer the exact same thing as it was called before installing a new windows.. so I can't really tell if its an old ownership or not. Also.. I'm currently logged in as 'myname' and I'm administrator.. now trying to delete the previously mentioned files.. it says 'you need access from 'myname' – and it can't delete.. That seems really messed up, I mean I'm logged in as the name it wants me to use. Is there maybe someway I could reset all the users on my computer? Or create some default? I don't know – I just want it to take a form I have always known, from a standard Windows point of view.

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• Create text file named after a cell containing other cell data

  - by user143041

  I tried using the code below for the Excel program on my `Mac Mini using the OS X Version 10.7.2 and it keeps saying Error due to file name / path: (The Excel file I am creating is going to be a template with my formulas and macros installed which will be used over and over). Sub CreateFile() Do While Not IsEmpty(ActiveCell.Offset(0, 1)) MyFile = ActiveCell.Value & ".txt" fnum = FreeFile() Open MyFile For Output As fnum Print #fnum, ActiveCell.Offset(0, 1) & " " & ActiveCell.Offset(0, 2) Close #fnum ActiveCell.Offset(1, 0).Select Loop End Sub What Im trying to do: 1st Objective I would like to have the following data to be used to create a text file. A:A is what I need the name of the file to be. B:2 is the content I need in the text file. So, A2 - "repair-video-game-Glassboro-NJ-08028.txt" is the file name and B2 to be the content in the file. Next, A3 is the file name and B3 is the content for the file, etc. ONCE the content reads what is in cell A16 and B16 (length will vary), the file creation should stop, if not then I can delete the additional files created. This sheet will never change. Is there a way to establish the excel macro to always go to this sheet instead of have to select it with the mouse to identify the starting point? 2nd Objective I would like to have the following data to be used to create a text file. A:1 is what I need the name of the file to be. B:B is the content I want in the file. So, A2 - is the file name "geo-sitemap.xml" and B:B to be the content in the file (ignore the .xml file extension in the photo). ONCE the content cell reads what is in cell "B16" (length will vary), the file creation should stop, if not then I can adjust the cells that have need content (formulated content you see in the image is preset for 500 rows). This sheet will never change. Is there a way to establish the excel macro to always go to this sheet instead of have to select it with the mouse to identify the starting point? I can Provide the content in the cells that are filled in by excel formulas that are not not to be included in the .txt files. It is ok if it is not possible. I can delete the extra cells that are not populated (based on the data sheet). Please let me know if you need any more additional information or clarity and I will be happy to provide it.

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• Setting Up My Server to Do DNS On OpenSuse 11.3

  - by adaykin

  Hello, I am attempting to use my server to be a DNS server. I am having trouble getting the domain setup. Here is what I have so far: /var/lib/named/master/andydaykin.com: $TTL 2d @ IN SOA andydaykin.com. root.andydaykin.com. ( 2011011000 ; serial 0 ; refresh 0 ; retry 0 ; expiry 0 ) ; minimum andydaykin.com. IN NS ns1.andydaykin.com. andydaykin.com. IN SOA ns1.andydaykin.com. hostmaster.andydaykin.com. ( @.andydaykin.com. IN NS ns1.andydaykin.com. ns1.andydaykin.com. IN A 204.12.227.33 www.andydaykin.com. IN A 204.12.227.33 /etc/resolve.conf: search andydaykin.com nameserver 204.12.227.33 /etc/named.conf: options { # The directory statement defines the name server's working directory directory "/var/lib/named"; dump-file "/var/log/named_dump.db"; statistics-file "/var/log/named.stats"; listen-on port 53 { 127.0.0.1; }; listen-on-v6 { any; }; notify no; disable-empty-zone "1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.IP6.ARPA"; include "/etc/named.d/forwarders.conf"; }; zone "." in { type hint; file "root.hint"; }; zone "localhost" in { type master; file "localhost.zone"; }; zone "0.0.127.in-addr.arpa" in { type master; file "127.0.0.zone"; }; Include the meta include file generated by createNamedConfInclude. This includes all files as configured in NAMED_CONF_INCLUDE_FILES from /etc/sysconfig/named include "/etc/named.conf.include"; zone "andydaykin.com" in { file "master/andydaykin.com"; type master; allow-transfer { any; }; }; logging { category default { log_syslog; }; channel log_syslog { syslog; }; }; What I am doing wrong?

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• How do I configure Reverse Group Membership Maintenance on an openldap server? (memberOf)

  - by emills

  I am currently working on integrating LDAP authentication into a system and I would like to restrict access based on LDAP group. The only way to do this is via a search filter and therefore I believe my only option to be the use of the "memberOf" attribute in my search filter. It is my understanding that the "memberOf" attribute is an operational attribute which can be created by the server for me anytime a new "member" attribute is created for any "groupOfNames" entry on the server. My main goal is to be able to add a "member" attribute to an existing "groupOfNames" entry and have a matching "memberOf" attribute be added to the DN I provide. What I have managed to achieve so far: I'm still pretty new to LDAP administration but based on what I found in the openldap admin's guide, it looks like Reverse Group Membership Maintence aka "memberof overlay" would achieve exactly the effect I am looking for. My server is currently running a package installation (slapd on ubuntu) of openldap 2.4.15 which uses "cn=config" style runtime configuration. Most of the examples I have found still reference the older "slapd.conf" method of static configuration and I have tried my best to adapt the configurations to the new directory based model. I have added the following entries to enable the memberof overlay module: Enable the module with olcModuleLoad cn=config/cn\=module\{0\}.ldif dn: cn=module{0} objectClass: olcModuleList cn: module{0} olcModulePath: /usr/lib/ldap olcModuleLoad: {0}back_hdb olcModuleLoad: {1}memberof.la structuralObjectClass: olcModuleList entryUUID: a410ce98-3fdf-102e-82cf-59ccb6b4d60d creatorsName: cn=config createTimestamp: 20090927183056Z entryCSN: 20091009174548.503911Z#000000#000#000000 modifiersName: cn=admin,cn=config modifyTimestamp: 20091009174548Z Enabled the overlay for the database and allowed it to use it's default settings (groupOfNames,member,memberOf,etc) cn=config/olcDatabase={1}hdb/olcOverlay\=\{0\}memberof dn: olcOverlay={0}memberof objectClass: olcMemberOf objectClass: olcOverlayConfig objectClass: olcConfig objectClass: top olcOverlay: {0}memberof structuralObjectClass: olcMemberOf entryUUID: 6d599084-490c-102e-80f6-f1a5d50be388 creatorsName: cn=admin,cn=config createTimestamp: 20091009104412Z olcMemberOfRefInt: TRUE entryCSN: 20091009173500.139380Z#000000#000#000000 modifiersName: cn=admin,cn=config modifyTimestamp: 20091009173500Z My current result: By using the above configuration, I am able to add a NEW "groupOfNames" with any number of "member" entries and have all the involved DNs updated with a "memberOf" attribute. This is part of the behavior I would expect. While I believe the following should have been accomplished with the memberof overlay, I still do not know how to do the following and I would gladly welcome any advice: Add a "member" attribute to an EXISTING "groupOfNames" and have a corresponding "memberOf" attribute be created automatically. Remove a "member" attribute and have the corresponding "memberOf" attribute" be removed automatically.

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• Connection closed by remote host followed by Connection refused

  - by Khosrow

  All of a sudden my ssh connection to server has been damaged. Here is what's happened: $ ssh -vvv -p <PORT> -l <USER> <HOST> OpenSSH_5.3p1 Debian-3ubuntu7, OpenSSL 0.9.8k 25 Mar 2009 debug1: Reading configuration data /home/khosrow/.ssh/config debug1: Reading configuration data /etc/ssh/ssh_config debug1: Applying options for * debug2: ssh_connect: needpriv 0 debug1: Connecting to <HOST> [<IP>] port <PORT>. debug1: Connection established. debug1: identity file /home/khosrow/.ssh/identity type -1 debug1: identity file /home/khosrow/.ssh/id_rsa type -1 debug1: identity file /home/khosrow/.ssh/id_dsa type -1 ssh_exchange_identification: Connection closed by remote host I've recently updated the box with yum update and sshd got updated as well. I honestly don't know if this caused any damages or not. But it's prompted that /etc/ssh/sshd_config was stored as /etc/ssh/sshd_config.rpmnew which was quite normal. I've seen similar posts while googling, but almost all of them suggests that I should check /etc/hosts.allow and /etc/hosts.deny, which in my case, I can't. I can not connect to the box to see what's going on there. I rebooted the box, through web interface of server provider, and it even got worse. I'm now getting this: $ ssh -vvv -p <PORT> -l <USER> <HOST> OpenSSH_5.3p1 Debian-3ubuntu7, OpenSSL 0.9.8k 25 Mar 2009 debug1: Reading configuration data /home/khosrow/.ssh/config debug1: Reading configuration data /etc/ssh/ssh_config debug1: Applying options for * debug2: ssh_connect: needpriv 0 debug1: Connecting to <HOST> [<IP>] <PORT>. debug1: connect to address <IP> port <PORT>: Connection refused ssh: connect to host <HOST> port <PORT>: Connection refused with both <CUSTOM_PORT> and default 22 ports. I would really appreciate if anyone could help me on this.

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• windows 7 virtual wireless adapter keeps going to sleep

  - by conners

  Just a quick question that I can't see mentioned anywhere online. I have a Windows 7 box configured like these guys recommend http://www.itgeekdiary.com/windows-7-as-an-wi-fi-access-point/ simply so that I can have my Windows 7 box as a wifi access point or a wifi emitter. It's also called a Microsoft Virtual WiFi Miniport Adapter. But it powers off and shuts down automatically and stops working. Basically everything works as intended and then - well -it will stopped working when I am not at the Windows 7 PC for a long time. The problem seems to be that every time my PC goes to "power save / sleep" and in the morning the Windows 7 machine "wakes" but blooming heck the wifi has stopped and you have to power cycle the PC (which is very uncool). When I power Cycle I have to do the following as administrator C:\Windows\System32\netsh.exe wlan start hostednetwork I then tried a gazllion things involving services and power management and eventually discovered that if I run the following commands as administrator it will be ok (for a bit) but every 3rd ot 4th time I try this "trick" it simply fails. the trick that seems to work 3 out of 4 times (i.e. "most" of the time) C:\Windows\System32\netsh.exe wlan stop hostednetwork C:\Windows\System32\netsh.exe wlan start hostednetwork But why does this only work "some" of the time? What else I did by myself: on every manage adapter properties (that relates to the wifi) I right clicked [configure] [power management] /disabled/ "allow the computer to power off to save power" <- this made no difference Also (and this is a bit annoying) there is no system tray app/GUI for the Microsoft Virtual WiFi Miniport Adapter output signal ... none... so (lame as it sounds) the ONLY way I can check if it's on is to physically go to another device and SCAN.. lame so my question can probably be solved by any of the following: a) can I stop Windows 7 sleeping this wifi when the machine sleeps b) can I force Windows to force wake this process on wake? if so how? c) what is the service / process REALLY called and how do I restart it if it crashes d) how can I flush the wifi properly rather power cycle the host machine e) anyone have a link to an program or app that can sit in the system tray that shows windows 7 wifi hotspot emission status (on/off/etc etc) Since I am a programmer I can easily write a vbs script / windows exe to fix this (and I will share this solution) and the gui problem if I can work out the actual service that is running that netsh stops/starts

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