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• Office365 SPF record has too many lookups

  - by Sammitch

  For some utterly ridiculous administrative reasons we've got a split domain with one mailbox on Office365 which requires us to add include:outlook.com to our SPF record. The problem with this is that that rule alone requires nine DNS lookups of the maximum of 10. Seriously, it's horrible. Just look at it: v=spf1 include:spf-a.outlook.com include:spf-b.outlook.com ip4:157.55.9.128/25 include:spfa.bigfish.com include:spfb.bigfish.com include:spfc.bigfish.com include:spf-a.hotmail.com include:_spf-ssg-b.microsoft.com include:_spf-ssg-c.microsoft.com ~all Given that we have our own large-ish mail system we need to have rules for a, mx, include:_spf1.mydomain.com, and include:_spf2.mydomain.com which puts us at 13 DNS lookups which causes PERMERRORs with strict SPF validators, and completely unreliable/unpredictable validation with non-strict/badly implemented validators. Is it possible to somehow eliminate 3 of those include: rules from the bloated outlook.com record, but still cover the servers used by O365? Edit: Commentors have mentioned that we should simply use the shorter spf.protection.outlook.com record. While that is news to me, and it is shorter, it's only one record shorter: spf.protection.outlook.com include:spf-a.outlook.com include:spf-b.outlook.com include:spf-c.outlook.com include:spf.messaging.microsoft.com include:spfa.frontbridge.com include:spfb.frontbridge.com include:spfc.frontbridge.com Edit² I suppose we can technically pare this down to: v=spf1 a mx include:_spf1.mydomain.com include:_spf2.mydomain.com include:spf-a.outlook.com include:spf-b.outlook.com include:spf-c.outlook.com include:spfa.frontbridge.com include:spfb.frontbridge.com include:spfc.frontbridge.com ~all but the potential issues I see with this are: We need to keep abreast of any changes to the parent spf.protection.outlook.com and spf.messaging.microsoft.com records. If anything is changed or [god forbid] added we would have to manually update ours to reflect that. With our actual domain name the record's length is 260 chars, which would require 2 strings for the TXT record, and I honestly don't trust that all of the DNS clients and SPF resolvers out there will properly accept a TXT record longer than 255 bytes.

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• Installing gitosis and closed port?

  - by Nicolas GUILLAUME

  I'm trying to install gitosis on a Server (hosted by OVH and running Ubuntu server 11.04). I've done it a few times and never had any problems. But this time I have something very wired when I simply try to clone gitosis. [root@ovks-1:~/]#git clone git://eagain.net/gitosis.git Cloning into gitosis... eagain.net[0: 208.78.102.120]: errno=Connection refused fatal: unable to connect a socket (Connection refused) zsh: exit 128 git clone git://eagain.net/gitosis.git Based on my searches it looks like the port 9418 is closed. But I don't understand, a server by definition shouldn't have any closed port and I can't find a way to see if they are. So how can I check is a port is open and how can I open it if closed? Thank you for your help. Requested by WesleyDavid: iptables -L result [root@odeoos-vks-1:~/]#iptables -L Chain INPUT (policy ACCEPT) target prot opt source destination Chain FORWARD (policy ACCEPT) target prot opt source destination Chain OUTPUT (policy ACCEPT) target prot opt source destination I have no idea what it means... Thanks :)

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• postfix + opendkim not signing correctly. how to debug this?

  - by Dean Hiller

  EDIT: I did get a little further but all posts on my search say permissions are wrong or regenerate key but I fixed that to be 644 as well as owned by DKIM AND I keep regenerating the key but it is not helping. My latest error now is this Apr 21 21:19:12 Sniffy opendkim[8729]: BB5BF3AA66: dkim_eom(): resource unavailable: d2i_PrivateKey_bio() failed Apr 21 21:19:12 Sniffy postfix/cleanup[8627]: BB5BF3AA66: milter-reject: END-OF-MESSAGE from localhost[127.0.0.1]: 4.7.0 resource unavailable; from=<[email protected]> to=<[email protected]> proto=SMTP helo=<abcs.com> I am looking for a way to simply debug this(don't necessarily need the answer but a way to get logs from opendkim would be good). If I stop opendkim, I see postfix log connection refused which is good. but when I send mail with opendkim started, I see no logs whatsoever. I even add the "LogWhy Yes" line to my opendkim.conf file as well and still see no logs there. Since I see opendkim running under user opendkim, I changed the owner of /etc/opendkim/* and /etc/opendkim and /etc/opendkim.conf all to opendkim user. I am running on ubuntu. My opendkim.conf file is # Log to syslog Syslog yes # Required to use local socket with MTAs that access the socket as a non- # privileged user (e.g. Postfix) UMask 002 # Sign for example.com with key in /etc/mail/dkim.key using # selector '2007' (e.g. 2007._domainkey.example.com) #Domain example.com Domain sniffyapp.com #KeyFile /etc/mail/dkim.key KeyFile /etc/opendkim/keys/sniffyapp.com/default.private #Selector 2007 Selector default # Commonly-used options; the commented-out versions show the defaults. #Canonicalization simple Mode sv #SubDomains no #ADSPDiscard no Socket inet:8891:localhost ExternalIgnoreList refile:/etc/opendkim/TrustedHosts InternalHosts refile:/etc/opendkim/TrustedHosts LogWhy Yes I of course have these lines added to main.cf in postgres smtpd_milters = inet:127.0.0.1:8891 non_smtpd_milters = $smtpd_milters milter_default_action = accept

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• Coldfusion on VPS, how much JVM heap memory?

  - by Steven Filipowicz

  Recently I got a VPS server and I'm running Coldfusion, the website was running fine until it got more and more traffic and I started to encounter 'OutOfMemory' exceptions. I thought simply to rise the memory of the VPS server, but this didn't help. After doing some Google searches I found a setting in de CF Admin settings to set the JVM Heap memory. It was on the standard: Max Heap size 512MB and Min Heap size was empty. After playing around a bit I have now set it to Min 50MB and Max 200MB, good things is that I'm not getting the 'OutOfMemory' exceptions anymore. So far so good! But with about 50 active visitors on the website, the website starts to get slow. The CPU usage is only about 8% (Windows Taskmanager), also the taskmanager show only about 30% of the 3GB RAM in use. So I'm thinking that my values could be tweaked to use more of the RAM. Honestly I don't understand these JVM Memory heap settings, so I have no clue what is a good setting for me. I found a CF script that displays the memory usage, the details are: Heap Memory Usage - Committed 194 MB Heap Memory Usage - Initial 50.0 MB Heap Memory Usage - Max 194 MB Heap Memory Usage - Used 163 MB JVM - Free Memory 31.2 MB JVM - Max Memory 194 MB JVM - Total Memory 194 MB JVM - Used Memory 163 MB Memory Pool - Code Cache - Used 13.0 MB Memory Pool - PS Eden Space - Used 6.75 MB Memory Pool - PS Old Gen - Used 155 MB Memory Pool - PS Perm Gen - Used 64.2 MB Memory Pool - PS Survivor Space - Used 1.07 MB Non-Heap Memory Usage - Committed 77.4 MB Non-Heap Memory Usage - Initial 18.3 MB Non-Heap Memory Usage - Max 240 MB Non-Heap Memory Usage - Used 77.2 MB Free Allocated Memory: 30mb Total Memory Allocated: 194mb Max Memory Available to JVM: 194mb % of Free Allocated Memory: 16% % of Available Memory Allocated: 100% My JVM arguments are: -server -Dsun.io.useCanonCaches=false -XX:MaxPermSize=192m -XX:+UseParallelGC - Dcoldfusion.rootDir={application.home}/../ -Dcoldfusion.libPath={application.home}/../lib Can I give the JVM more memory? If so, what settings should I use? Thanks very much!!

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• Nginx case-insensitive reverse proxy rewrites

  - by BrianM

  I'm looking to setup an nginx reverse proxy to make some upcoming server moves and load balanced implementations much easier within our apps. Since our servers are all IIS case sensitivity hasn't been an issue, but now with nginx it's becoming one for me. I am simply looking to do a rewrite regardless of case. Infrastructure notes: All backend servers are IIS Most services are WCF services I am trying to simplify the URLs so I can move services around as we continue to build out I can't set my location to case insensitive due to the following error: nginx: [emerg] "proxy_pass" cannot have URI part in location given by regular expression, or inside named location, or inside "if" statement, or inside "limit_except" block in /etc/nginx/sites-enabled/test.conf:101 The main part of my conf file where I am trying to handle the rewrite is as follows location /svc_test { proxy_set_header x-real-ip $remote_addr; proxy_set_header x-forwarded-for $proxy_add_x_forwarded_for; proxy_set_header host $http_host; proxy_pass http://backend/serviceSite/WFCService.svc; } location ~* /test { rewrite ^/(.*)/$ /svc_test/$1 last; } It's the /test location that I can't get figured out. If I call http://nginxserver/svc_test/help I get the WCF help page to display correctly and I can make all available REST calls. This HAS to be a boneheaded regex issue on my part, but I have tried several variations and all I can get are 404 or 500 errors from nginx. This is NOT rocket science so can someone point me in the right direction so I can look like an idiot and just move on?

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• "No more threads can be created in the system" in Network and Sharing Center

  - by Zell Faze

  A while back I noticed on one of our laboratory computers (Windows 7, very little extra software installed) that the network connection icon in the system tray would claim that it had no network connection, even though it did. This issue would go away after the computer was rebooted, but would surface again the next time I looked at the computer (a few days later). Upon opening the Network and Sharing Center I am shown an actual error message, but not one that seems to give me a lot of information about what the problem is. In the place of the usual information about network adapters and whether you are connected to the Internet it simply says: "No more threads can be created in the system." The Event Viewer shows hundreds of events from different services also with the same message. "Volume Shadow Copy Service error: Unexpected error calling routine CoCreateInstance. hr = 0x800700a4, No more threads can be created in the system."; "The WinHTTP Web Proxy Auto-Discovery Service service failed to start due to the following error: A thread could not be created for the service."; "The IP Helper service terminated with the following error: No more threads can be created in the system." As far as I can tell, this message seems to mean that there is some sort of resource leak in Windows where something is creating a large number of threads and those threads are not being killed off? I've tried restarting WMI and several services related to networking, without avail. Can anyone provide more information on what "No more threads can be created in the system" might mean and what I might be able to do to fix the issue? Currently the only solution appears to be restarting.

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• How to compare old laptop to new laptop?

  - by Lasse V. Karlsen

  I hope this question doesn't get closed at once :) I have an old laptop, a Compaq NC4200, which is going its final laps around the track these days. Battery is dead, and everything kinda runs slow. It also has only 1GB of memory, and even though I don't know if it can take more, I probably wouldn't be able to get hold of any that matches without having to special order it. The size, however, has been ideal for my usage pattern, so I'm looking to replace it with a similarly sized laptop, at least in the same size category. However, it's been a while since I tried keeping track of CPUs, so I have a question. The old laptop has a Intel Pentium M 760 1.86GHz processor. One laptop I found online has a Intel Pentium SU4100 1.3GHz dual-core. This type of processor seems to be quite common in the price and size-range I've been looking. What kind of relative performance boost could I expect from the old one to the new one? I am not expecting a "about 7.45x speed", but some indication would be nice. For instance, dual-core tells me it might be akin to 2.6GHz, but I assume I can't simply compare 1.86GHz to 2.6GHz and expect the new one to run about 1.4x as fast, I expect more these days. Or is that unrealistic for this kind of processor? Do I need to up my price range and go for a 2+ GHz processor?

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• Zscaler. Certs, cookies, and port 80 traffic

  - by 54's_lol

  So I work at HQ for a large company that shall remain nameless. We use Zscaler and I had to roll out a 2048 cert per zscaler's request. People around me at work dont understand the technology and think that the cert's are what is allowing internet connectivity. From my understanding(and please chime in) is the cookie located C:\Users\$$$$$$4$$\AppData\Roaming\Macromedia\Flash Player#SharedObjects\Q3JQJQJV\gateway.zscaler.net\zscaler.swf here that gets created when you provide your creds the first time you use the browser. The cert's are just simply a way of inspecting the SSL traffic as zscaler had no way of doing this before without them. They are essentially using the classic MITM attack to parse your SSL traffic. Gmail is smart enough to recognize this as you get a warning. My question is this, is there a product or service that I can use to verify my web browser when at home(I.E. off company network) isn't still getting routed to zscaler's cloud? If i do a tracert that will work fine. It's the port 80 and 443 web traffic zscaler and my company is after. I would like to verify that when I'm off their premise that my web traffic is using only my isp and the path to whatever content I'm searching for. Do the cert's i'm pushing and browser authentication do something behind the curtain that forces web traffic to get routed to zscaler? I searched quite a bit and would very much like to know if I'm ever off company scrutiny. I do know zscaler offers the service to force the scenario im asking about. Can I prove how my web traffic is getting routed? Thanks for any insight. I've been a fan for a long time and your guy's kung fu is very strong:-)

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• FTP timing out after login

  - by Imran

  For some reasons I cant access any of my accounts on my dedicated server via FTP. It simply times out when it tried to display the directories. Heres a log from FileZila... Status: Resolving address of testdomain.com Status: Connecting to 64.237.58.43:21... Status: Connection established, waiting for welcome message... Response: 220---------- Welcome to Pure-FTPd [TLS] ---------- Response: 220-You are user number 3 of 50 allowed. Response: 220-Local time is now 19:39. Server port: 21. Response: 220-This is a private system - No anonymous login Response: 220-IPv6 connections are also welcome on this server. Response: 220 You will be disconnected after 15 minutes of inactivity. Command: USER testaccount Response: 331 User testaccount OK. Password required Command: PASS ******** Response: 230-User testaccount has group access to: testaccount Response: 230 OK. Current restricted directory is / Command: SYST Response: 215 UNIX Type: L8 Command: FEAT Response: 211-Extensions supported: Response: EPRT Response: IDLE Response: MDTM Response: SIZE Response: REST STREAM Response: MLST type*;size*;sizd*;modify*;UNIX.mode*;UNIX.uid*;UNIX.gid*;unique*; Response: MLSD Response: ESTP Response: PASV Response: EPSV Response: SPSV Response: ESTA Response: AUTH TLS Response: PBSZ Response: PROT Response: 211 End. Status: Connected Status: Retrieving directory listing... Command: PWD Response: 257 "/" is your current location Command: TYPE I Response: 200 TYPE is now 8-bit binary Command: PASV Response: 227 Entering Passive Mode (64,237,58,43,145,153) Command: MLSD Response: 150 Accepted data connection Response: 226-ASCII Response: 226-Options: -a -l Response: 226 18 matches total Error: Connection timed out Error: Failed to retrieve directory listing I have restarted the FTP service serveral times but still It doesnt loads. I only have this problem when my server is reaching it peak usage which is still only 1.0 (4 cores), 40% of 4GB ram. The ftp connections isnt maxed out because only me and my colleague have access to FTP on the server.

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• certutil -ping fails with 30 seconds timeout - what to do?

  - by mark

  The certificate store on my Win7 box is constantly hanging. Observe: C:\1.cmd C:\certutil -? | findstr /i ping -ping -- Ping Active Directory Certificate Services Request interface -pingadmin -- Ping Active Directory Certificate Services Admin interface C:\set PROMPT=$P($t)$G C:\(13:04:28.57)certutil -ping CertUtil: -ping command FAILED: 0x80070002 (WIN32: 2) CertUtil: The system cannot find the file specified. C:\(13:04:58.68)certutil -pingadmin CertUtil: -pingadmin command FAILED: 0x80070002 (WIN32: 2) CertUtil: The system cannot find the file specified. C:\(13:05:28.79)set PROMPT=$P$G C:\ Explanations: The first command shows you that there are –ping and –pingadmin parameters to certutil Trying any ping parameter fails with 30 seconds timeout (the current time is seen in the prompt) This is a serious problem. It screws all the secure communication in my app. If anyone knows how this can be fixed - please share. Thanks. P.S. 1.cmd is simply a batch of these commands: certutil -? | findstr /i ping set PROMPT=$P($t)$G certutil -ping certutil -pingadmin set PROMPT=$P$G EDIT1 I have succeeded to pin down the single windows API that causes the problem - DsGetDcName According to the windbg, the certutil -ping invokes it like so: PDOMAIN_CONTROLLER_INFO pdci; DWORD ret = ::DsGetDcName(NULL, NULL, NULL, NULL, DS_DIRECTORY_SERVICE_PREFERRED, &pdci); On my workstation it times out for 30 seconds and then returns error code 1355, which is ERROR_NO_SUCH_DOMAIN No domain controller is available for the specified domain or the domain does not exist. On another machine, which is accidentally a windows server 2003, it returns almost immediately with the correct domain controller name inside the returned DOMAIN_CONTROLLER_INFO structure. Now the question is what is missing on my workstation for that API to find the correct domain controller?

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• Appcrash and possible malware

  - by Chris Lively

  First off, I'm running MS Intune Endpoint Protection. It is completely up to date. On 10/25 @ 11:53PM I came across a site that caused Intune to freak out: Microsoft Antimalware has detected malware or other potentially unwanted software. For more information please see the following: http://go.microsoft.com/fwlink/?linkid=37020&name=Trojan:Win64/Sirefef.B&threatid=2147646729 Name: Trojan:Win64/Sirefef.B ID: 2147646729 Severity: Severe Category: Trojan Path: file:_C:\Windows\System32\consrv.dll Detection Origin: Local machine Detection Type: Concrete Detection Source: Real-Time Protection User: NT AUTHORITY\SYSTEM Process Name: C:\Windows\explorer.exe Signature Version: AV: 1.115.526.0, AS: 1.115.526.0, NIS: 10.7.0.0 Engine Version: AM: 1.1.7801.0, NIS: 2.0.7707.0 I, of course, elected to simply delete the file. Since then my machine has been randomly giving an error about "Host Process for Windows Services" stopped working. There are generally two different pieces of info: Description Faulting Application Path: C:\Windows\System32\svchost.exe Problem signature Problem Event Name: BEX64 Application Name: svchost.exe Application Version: 6.1.7600.16385 Application Timestamp: 4a5bc3c1 Fault Module Name: StackHash_52d4 Fault Module Version: 0.0.0.0 Fault Module Timestamp: 00000000 Exception Offset: 000062bdabe00000 Exception Code: c0000005 Exception Data: 0000000000000008 OS Version: 6.1.7601.2.1.0.256.27 Locale ID: 1033 Additional Information 1: 52d4 Additional Information 2: 52d47b8b925663f9d6437d7892cdf21b Additional Information 3: ed24 Additional Information 4: ed24528f3b69e8539b5c5c2158896d3e and Description Faulting Application Path: C:\Windows\System32\svchost.exe Problem signature Problem Event Name: APPCRASH Application Name: svchost.exe Application Version: 6.1.7600.16385 Application Timestamp: 4a5bc3c1 Fault Module Name: mshtml.dll Fault Module Version: 9.0.8112.16437 Fault Module Timestamp: 4e5f1784 Exception Code: c0000005 Exception Offset: 00000000002ed3c2 OS Version: 6.1.7601.2.1.0.256.27 Locale ID: 1033 Additional Information 1: 3e9e Additional Information 2: 3e9e8b83f6a5f2a25451516023078a83 Additional Information 3: 432a Additional Information 4: 432a0284c502cce3bbb92a3bd555fe65 Intune claims the machine is clean. I've also tried some of the online scanners like trendmicro, all of which claimed the system is clean. Finally, I tried the "sfc /scannow" and it said all was good. I left my machine on after I left last night and there were about 50 of those messages. Ideas on how to proceed?

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• Nginx upload PUT and POST

  - by w00t

  I am trying to make nginx accept POST and PUT methods to upload files. I have compiled nginx_upload_module-2.2.0. I can't find any how to. I simply want to use only nginx for this, no reverse proxy, no other backend and no php. Is this achievable? this is my conf: nginx version: nginx/1.2.3TLS SNI support enabled configure arguments: --prefix=/etc/nginx --sbin-path=/usr/sbin/nginx --conf-path=/etc/nginx/nginx.conf --error-log-path=/var/log/nginx/error.log --http-log-path=/var/log/nginx/access.log --pid-path=/var/run/nginx.pid --lock-path=/var/run/nginx.lock --http-client-body-temp-path=/var/cache/nginx/client_temp --http-proxy-temp-path=/var/cache/nginx/proxy_temp --http-fastcgi-temp-path=/var/cache/nginx/fastcgi_temp --http-uwsgi-temp-path=/var/cache/nginx/uwsgi_temp --http-scgi-temp-path=/var/cache/nginx/scgi_temp --user=nginx --group=nginx --with-http_ssl_module --with-http_realip_module --with-http_addition_module --with-http_sub_module --with-http_dav_module --with-http_flv_module --with-http_mp4_module --with-http_gzip_static_module --with-http_random_index_module --with-http_secure_link_module --with-http_stub_status_module --with-mail --with-mail_ssl_module --with-file-aio --with-ipv6 --with-cc-opt='-O2 -g' --add-module=/usr/src/nginx-1.2.3/nginx_upload_module-2.2.0 server { listen 80; server_name example.com; location / { root /html; autoindex on; } location /upload { root /html; autoindex on; upload_store /html/upload 1; upload_set_form_field $upload_field_name.name "$upload_file_name"; upload_set_form_field $upload_field_name.content_type "$upload_content_type"; upload_set_form_field $upload_field_name.path "$upload_tmp_path"; upload_aggregate_form_field "$upload_field_name.md5" "$upload_file_md5"; upload_aggregate_form_field "$upload_field_name.size" "$upload_file_size"; upload_pass_form_field "^submit$|^description$"; upload_cleanup 400 404 499 500-505; } } And as an upload form I'm trying to use the one listed at the end of this page: http://grid.net.ru/nginx/upload.en.html

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• I need a piece software to use with my HP F4280 scanner.

  - by D Connors

  So, I got this printer/scanner about a year ago, and I'm really happy with it. The only thing is that I never really liked the HP scanning software that came with it. A few months ago I reformatted and reinstalled windows 7. Then, once I plugged in the printer, I noticed that windows recognized it automatically, and offered to install all the drivers by itself. So instead of manually installing the driver that came in the CD, I simply let windows automatically install it from its servers, and so far it's great. Instead of HP's scanning software (that really wasn't pleasing me), I got a very simplified interface that is more than enough for my ocasional scanning habits. Until today. Today I had to scan a bunch of old pictures for my father. And that simple interface felt like it was lacking quite a few features to make this repetitive task a little easier. And that's why I'm now looking for a good software to use for scanning. By "good" I mean anything well thought out, and specially anything that will make my life easier when repetitive-scanning. It doesn't need to have professional tweaking options, but having them is not a problem either. You guys got anything?

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• CHKDSK: What option DOES NOT delete files and turn them into .chk files?

  - by CHKDSKuser

  I had a recent power outage while using my computer, with a 1TB hard drive being directly accessed as the power went out. When the power came back on, and I rebooted my computer, one of my 1TB hard drives would not register with WinXP SP3, and showed a Total Space of 0, and an Available Space of 0. The file system (NTFS) also did not register...every entry for the drive was either blank or zeroed. My assumption is that the file tables were damaged/corrupted because the drive was being directly accessed when the power went out. After doing some research, I ran CHKDSK with whatever default options it runs with (I'm not sure what they are as I didn't see them displayed). Upon completion of CHKDSK, the drive registered with WinXP as a 1TB hard drive, with an accurately-reflected amount of available space. But CHKDSK also deleted about 16GB of files from their original directories, and changed them all into sequentially-named *.chk files. My question is how can CHKDSK be run in a situation like mine where the file tables needed to be restored, but without having CHKDSK delete any files from their original directories, even if they may be damaged/corrupt? I'd simply like to be able to run CHKDSK and have it restore the file tables, and repair bad sector damage, as it did, but not have it do anything else such as delete files and convert them to CHK files. Any ideas? Or is there a CHKDSK alternative that can perform the same functions without the file deletions?

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• How to make 7zip faster

  - by user34463

  I normally use winRAR over 7Zip simply because its faster and only a little less efficient with compression. I did a few tests on different filetypes and sizes comparing the 7zip and winRAR default settings on their normal compression and their best compression, and in a lot of cases winRAR was 50% faster and in some it was actually 100% faster. But, I do like FOSS more. So here are my questions: Is there a way to make 7zip speed up? I'd like it to at least be on par with rar's speed Is there a way to make recovery segments in 7zip like you can in rar? I didn't see any, but I guess it could be a command line thing. I tested winrar and 7zip using the latest stable version of each (4.something with 7zip). Is the 9.x beta release noticeably faster at compression? I'm talking about faster at a comparable setting in WinRAR, not just lowering to bare minimum compression. If it matters, I use a quad core intel i7 720 (1.6ghz)/(2.8ghz) with 4gb DDR3 ram, and the 64-bit version of 7zip.

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• Accessing network shares on Windows7 via SonicWall VPN client

  - by Jack Lloyd

  I'm running Windows7 x64 (fully patched) and the SonicWall 4.2.6.0305 client (64-bit, claims to support Windows7). I can login to the VPN and access network resources (eg SSH to a machine that lives behind the VPN). However I cannot seem to be able to access shared filesystems. Windows is refusing to do discovery on the VPN network. I suspect part of the problem is Windows persistently considers the VPN connection to be a 'public network'. Normally, you can open the network and sharing center and modify this setting, however it does not give me a choice for the VPN. So I did the expedient thing and turned on file sharing for public networks. I also disabled the Windows firewall for good measure. Still no luck. I can access the server directly by putting \\192.168.1.240 in the taskbar, which brings up the list of shares on the server. However, trying to open any of the shares simply tells me "Windows cannot access \\192.168.1.240\share You do not have permission to access ..."; it never asks for a domain password. I also tried Windows7 native VPN functionality - it couldn't successfully connect to the VPN at all. I suspect this is because SonicWall is using some obnoxious special/undocumented authentication system; I had similar problems trying to connect on Linux with the normal IPsec tools there. What magical invocation or control panel option am I missing that will let this work? Are there any reasonable debugging strategies? I'm feeling quite frustrated at Windows tendency to not give me much useful information that might let me understand what it is trying to do and what is going wrong.

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• Windows Server 2008 R2 Print Server - Change Printer Names on All Client Systems

  - by Jeramy

  I have a Windows Server 2008 R2 print server set up hosting out multiple printers to my end users. I would like to change the naming convention for all of the printers hosted on the print server and want this change reflected on the client end. For example: I have a HP4000 printer named "Cottage" on the print server. I want to rename the printer "HR-1stFloor-220a" on the print server and I want this printer to appear on every client system with the new name. Simply renaming the printer on the server automatically creates a link from the old printer name to the new one, so all the clients work but the actual name, from their perspective, has not changed. Renaming the share name also does not visibly effect the end user (though it does update the port information). I would like to have the names of the printers be meaningful information regarding department and location, but this means that when they change hands or move I would need to update this information, and currently I am not seeing a way short of writing custom start-up scripts and remove/replacing them through AD. Is there a simple way of accomplishing this task? Thank you for your help.

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• Nagios returns "No output returned from plugin" running process

  - by user56291

  I have a nagios server and a bunch of nagios clients that i currently monitor. All the clients are setup with the following nrpe configuration. check_users, check_load... metrics are successfully displayed on the nagios interface but check_nginx and check_server_proxy displayed as "Unknown"-(No output returned from plugin). As far as i understood nagios simply runs ps command and looks for either the argument strings or the name of the command to verify whether the service is running. Also with -c flag, one can give nagios a threshold to determine the output (ie: -c 1 returns 'OK' for if it finds at least 1 process.) nrpe_local.cfg: ###################################### # Do any local nrpe configuration here ###################################### allowed_hosts =127.0.0.1,10.0.2.181 command[check_users]=/usr/lib/nagios/plugins/check_users -w 5 -c 10 command[check_load]=/usr/lib/nagios/plugins/check_load -w 15,10,5 -c 30,25,20 command[check_all_disks]=/usr/lib/nagios/plugins/check_disk -w 20% -c 10% command[check_zombie_procs]=/usr/lib/nagios/plugins/check_procs -w 5 -c 10 -s Z command[check_total_procs]=/usr/lib/nagios/plugins/check_procs -w 150 -c 200 command[check_swap]=/usr/lib/nagios/plugins/check_swap -w 50% -c 25% command[check_server_proxy]=/usr/lib/nagios/plugins/check_procs -c 1 -a "api-v1/server.js" command[check_nginx]=/usr/lib/nagios/plugins/check_procs -c 1:30 -C nginx nagios_server.cfg ... define host{ use generic-host ; Name of host template to use host_name plum alias plum address 10.0.2.88 check_command check-host-alive-by-ssh } ... #Check api-proxy-server define service{ use generic-service host_name plum service_description check api proxy service check_command check_nrpe!check_server_proxy } define service { use generic-service ; Name of service template to use host_name plum service_description CHECK_NGINX check_period 24x7 max_check_attempts 3 normal_check_interval 5 retry_check_interval 3 check_command check_nrpe!check_nginx notifications_enabled 1 } Also when i run the command on the nagios client: /usr/lib/nagios/plugins/check_procs -c 1 -a "api-v1/server.js" I get the desired output PROCS OK: 1 process with args 'api-v1/server.js' I would really appreciate any pointers that might help me solve why it nrpe command does not return the desired output on the nagios server panel.

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• Samba Server Make Multiple User Permissions Profiles

  - by Scriptonaut

  I have a Samba file server running, and I was wondering how I could make multiple user accounts that have different permissions. For example, at the moment I have a user, smbusr, but when I ssh to the share, I can read, write, execute, and even navigate out of the samba directory and do stuff on the actual computer. This is bad because I want to be able to give out my IP so friends/family can use the server, but I don't want them to be able to do just anything. I want to lock the user in the samba share directory(and all the sub directories). Eventually I would like several profiles such as (smbusr_R, smbusr_RW, smbguest_R, smbguest_RW). I also have a second question related to this, is SSH the best method to connect from other unix machines? What about VPN? Or simply mounting like this: mount -t ext3 -o user=username //ipaddr/share /mnt/mountpoint Is that mounting command above the same thing as a vpn? This is really confusing me. Thanks for the help guys, let me know if you need to see any files, or need anymore information.

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• Samba Server Make Multiple User Permissions Profiles

  - by Scriptonaut

  I have a Samba file server running, and I was wondering how I could make multiple user accounts that have different permissions. For example, at the moment I have a user, smbusr, but when I ssh to the share, I can read, write, execute, and even navigate out of the samba directory and do stuff on the actual computer. This is bad because I want to be able to give out my IP so friends/family can use the server, but I don't want them to be able to do just anything. I want to lock the user in the samba share directory(and all the sub directories). Eventually I would like several profiles such as (smbusr_R, smbusr_RW, smbguest_R, smbguest_RW). I also have a second question related to this, is SSH the best method to connect from other unix machines? What about VPN? Or simply mounting like this: mount -t ext3 -o user=username //ipaddr/share /mnt/mountpoint Is that mounting command above the same thing as a vpn? This is really confusing me. Thanks for the help guys, let me know if you need to see any files, or need anymore information.

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• SQL Server 2008 Express + Reporting Services on Windows 7

  - by TimothyP

  I'm trying to install SQL Server Express 2008 and Reporting Services on a x64 Windows 7 Machine for development purposes. I've installed SQL Server 2008 Express with the Microsoft Web Platform Installer I had to manually enable the SQL Server Browser in the Sql Server Configuration Manager and tried to enable the SQL Server Agent but that simply doesn't work. Keeps throwing an RPC error: "The remote procedure call failed. [0x800706be]". The start mode is set to Disabled and I cannot change it. Even though I selected the SQL Server Express with advanced services in the web platform installer I could not find any reference to SQL Server Reporting Services so I used the SQL Server Installation Center x64 application to "upgrade" to SQL Server Express 2008 with advanced services... this installed many things but still I couldn't find any reference to SQL Server Reporting Services other than an application called: "Reporting Services Configuration Manager" This opens up a dialog called "Reporting Services Configuration Connection" which is asking for a server name (shows the name of my machine) and a Find button. When I click the find button I get: "Unable to connect to the Reporting Server WMI provider. Details: Invalid Namespace". I found some references on the web to solve this problem, but they refer to a directory: "%ProgamFiles%\Microsoft SQL Server\MSRS10.SQL2008\Reporting Services\" which does not exist anywhere on my system. (The directories for SQL Server are there, but there is no Reporting Services directory anywhere). What am I doing wrong here? Wasn't the web platform installer supposed to handle all this? Thnx for any advice. PS: Most google results refer to 2005 vs 2008 problems, but I never had 2005 installed on this system, it's a newly installed development machine.

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• help Add Any Application Shortcut in Desktop Context Menu

  - by blackjack

  i got the info here but after adding that i didn't get any shortcut on my desktop contest menu :( pls help me i want it only on my desktop context menu Open regedit and goto: CODEHKEY_CLASSES_ROOT\Directory\Background\shell now under this key create another key with any name and in right-side pane set its value to the label, which you want to show in desktop context menu, like Media Player, Winamp, Firefox, anything else. Now create another key under this newly created key with name command. and in right-side pane set its value to the exact path of application, like: C:\Program Files\Windows Media Player\wmplayer.exe C:\Program Files\Winamp\winamp.exe etc... Thats it. Now you can check your favorite application shortcut in desktop context menu. You can create as many shortcut as you want. Simply create a separate key for all the applications. Following is a ready-made code: CODEWindows Registry Editor Version 5.00 [HKEY_CLASSES_ROOT\Directory\Background\shell\WMP] @="Windows Media Player" [HKEY_CLASSES_ROOT\Directory\Background\shell\WMP\command] @="C:\Program Files\Windows Media Player\wmplayer.exe" Just change the label and path to ur desired application and save with the name "vishal.reg" (including the quotes) and run it. U can also set the application shortcut to show only when u press key by adding "Extended" String value in right-side pane of the newly created key: CODEWindows Registry Editor Version 5.00 [HKEY_CLASSES_ROOT\Directory\Background\shell\WMP] @="Windows Media Player" "Extended"="" [HKEY_CLASSES_ROOT\Directory\Background\shell\WMP\command] @="C:\Program Files\Windows Media Player\wmplayer.exe"

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• Cygwin - Repo with Separate Git/Working Dir Doesn't Work

  - by Kyle Lacy

  Since I've switched to OS X and Vim, I've found it easiest to manage all of my 'dotfiles' (all of my configuration files and miscellaneous scripts) with Git. Having already set up my dotfiles in a repo following this tutorial, I figured it would also be easy enough to migrate all of my settings into my Cygwin setup on my Windows partition. Already having the repo setup on Github, I simply clone'd the repo, and moved all of the files over to my home directory, making it a mirror of my OS X home directory. Unfortunately, I cannot seem to use the actual repo any further within Cygwin. The problem is that I cannot use my dotfiles repo with git within Cygwin. The setup is unique from most normal git repos, in that the working directory and the git directory are in different locations. Specifically, the working directory is $HOME (/Users/kyle on OS X, /home/kyle in Cygwin), and the git repo is $HOME/.dotfiles.git. So, if I wanted to get the status of the repo, for example, I would type the following command (which I alias to reduce typing, of course): git --work-tree=$HOME --git-dir=$HOME/.dotfiles.git status -uno While this works fine on OS X, this refuses to work within Cygwin. Regardless of whether or not I use my alias, or whether or not I substitute $HOME by hand, I get the following git error: fatal: Not a git repository: /home/Kyle/dotfiles/.git/modules/.build/git I don't understand where this error comes from, but the path /home/Kyle/dotfiles was the original location of the git repo when I initially cloned it. Additionally, it's important to note that the repo relies heavily on submodules. If specifics are necessary, the repo in question can be found on GitHub. The commands I ran to setup the repo in Cygwin can also be found within the Readme file.

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• PXE with WDS & Windows Server 2012 - no filename option in DHCP lease?

  - by user1799

  I'm trying to configure Windows Server 2012 (a virtual box VM) with WDS so I can PXE boot some Windows 7 VMs (also virtual box). All the machines involved are only attached to the "host only network", 192.168.56.0/24. The Server 2012 machine has been setup as an AD DS machine, has DNS installed and working along with DHCP with option 60 - PXEClient - set and WDS is set to not listen on DHCP ports. I've followed http://technet.microsoft.com/en-us/library/jj648426.aspx very closely. I've used the boot.wim and install.wim files from the Win 7 installation DVD and they're configured as 'boot' and 'installation' images respectively. When I boot the target machine, it gets an IP address, but I simply get 'no filename' and the boot won't proceed any further. I've tried setting option 66 to 192.168.56.2 (the WDS server) and option 67 to both Boot\x64\wdsnbp.com and Boot\x64\pxeboot.n12 but all to no avail. I can't seem to see anything in the event log, either. Can anyone out there spot what I'm doing wrong? Or give tips to narrow down a diagnostic?

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• NSclient++ NRPE issues

  - by Kyle

  I have had NSclient++ working with Nagios for a while now. Recently I started testing Nagwin just to see how it would work, out of pure curiosity. I stopped checking a test server with my main Nagios config, set NSclient++ to NRPE mode, and pointed Nagwin at it. It worked great for a few hours then suddenly I started seeing "UNKNOWN: No Handler for that command." I figured it has to be Nagwin's fault since it's so new, I'll just unload NRPElistner.dll and return my server to being monitored by check_NT. However now check_NT doesn't work my main Nagios server returns timeout errors and is unable to connect at all. My Nagwin server can connect to it, the server just doesn't know how to handle the check_NRPE commands even though it did with no changes a few hours earlier. I have been working on this for a day now and am fairly certain it is NSclient++ who is to blame here. My nagwin box has successfully stayed connected to a similar server throughout the night, without any issues. And my main Nagios config is not having any problems at all. I have been able to successfully switch another server between being monitored by nagios and nagwin without any problems by simply loading and unloading the NRPE.dll. I have tried uninstalling NSclient++ and reinstalling with fresh configuration but still receive the errors. As of now the firewall is off on the server, NSclient++ is setup to accept connection from any server, there is no password, I have also turned ssl off, and the NRPE module is loaded. Any Ideas would be appreciated, I am not an advanced Nagios user but I do know my way around it and can easily break it down and set it up again. I also want to add that while in test mode NSclient++ is unable to handle check_NRPE commands there either.

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