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  • for loop vs while loop

    - by Atul
    We can use for loop and while loop for same purpose. in what means they effect our code if I use for instead of while? same question arises between if-else and switch-case? how to decide what to use? for example which one you would prefer? This code: int main() { int n; cin>>n; for(int i=0;i<n;i++) { do_something(); } return 0; } Or this code: int main() { int n,i=0; cin>>n; while(i<n) { do_something(); i++; } return 0; } if using for or while loop does not effect the code by any means then may I know What was the need to make 2 solution for same problem?

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  • Advance DataGird Header column Drag drop

    - by Atul Yadav
    Hi.. I want to prevent drag drop in some column header . Thanks My code private function _headerShift(evt:IndexChangedEvent):void{ var dg:AdvancedDataGrid= AdvancedDataGrid(evt.currentTarget); var column:AdvancedDataGridColumn = dg.columns[evt.newIndex]; var dropTarget:AdvancedDataGrid = AdvancedDataGrid(evt.currentTarget); if(evt.oldIndex > 3){ evt.stopImmediatePropagation(); evt.preventDefault(); dropTarget.validateNow(); } }

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  • Why is this C or C++ macro not expanded by the preprocessor?

    - by Atul
    Can someone points me the problem in the code when compiled with gcc 4.1.0. #define X 10 int main() { double a = 1e-X; return 0; } I am getting error:Exponent has no digits. When i replace X with 10, it works fine. Also i checked with g++ -E command to see the file with preprocessors applied, it has not replaced X with 10. I was under the impression that preprocessor replaces every macro defined in the file with the replacement text with applying any intelligence. Am I wrong? I know this is a really silly question but I am confused and I would rather be silly than confused :). Any comments/suggestions.

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  • Problem while compiling the code

    - by Atul
    Can someone points me the problem in the code when compiled with gcc 4.1.0. #define X 10 int main() { double a = 1e-X; return 0; } I am getting error:Exponent has no digits. When i replace X with 10, it works fine. Also i checked with g++ -E command to see the file with preprocessors applied, it has not replaced X with 10. I was under the impression that preprocessor replaces every macro defined in the file with the replacement text with applying any intelligence. Am I wrong? I know this is a really silly question but I am confused and I would rather be silly than confused :). Any comments/suggestions.

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  • How to create festival calendar in ASP.net

    - by Atul
    I want to make a festival calendar using asp.net from that I used two ajax calendar and one textbox it is a festival textbox where we enter festival which FromDate and ToDate respectively. I want to do this as following point If I enter in textbox Christmas and Choose Fromdate=25/12/2011 and ToDate=31/12/2011 then it will be valid If I choose fromDate=25/12/2011 and ToDate=24/12/2011 then it will invalid If I choose Fromdate=25/12/2011 and Todate=28/12/2011 then also it is invalid because it coming in between 25/12/2011 and 31/12/2011 If I Choose fromdate=1/1/2011 and ToDate=1/1/2011 then it is valid If I choose fromdate=21/12/2011 and 25/12/2011 then it is invalid because of already Christmas done in 1/1/2011 And all date should show in gridview like 25-dec-2011 format Here is my code: DateTime dt1 = Convert.ToDateTime(txt_fromdate.Text); DateTime dt2 = Convert.ToDateTime(txt_todate.Text); if (dt1 > dt2) { con.Open(); com = new SqlCommand("BTNN_MovieDB_Festival_Details_Insert", con); com.Parameters.Add("@fromdate", SqlDbType.VarChar).Value = dateformat_mmdd(txt_fromdate.Text.ToString().Trim()); com.Parameters.Add("@todate", SqlDbType.VarChar).Value = dateformat_mmdd(txt_todate.Text.ToString().Trim()); com.Parameters.Add("@return", SqlDbType.VarChar).Direction = ParameterDirection.ReturnValue; com.ExecuteNonQuery(); con.Close(); showdata(); } else if (dt1 < dt2) { lblerror.Text = "ToDate should be greater than FromDate"; }

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  • 7 reasons you had to be at JavaOne Latin America 2012

    - by Bruno.Borges
    Yesterday was 12/12/12, and everybody went crazy on Twitter with cool memes like this one. And maybe you are now wondering why I mentioned 7 (seven) on the blog title. Because I want to play numbers? Yes! Today is 7 days after JavaOne Latin America 2012 is over (... and I had to figure out an excuse for taking so long to blog about it...). So unless you were at JavaOne Latin America this year, here are 7 things you missed: OTN Lounge mini-theatreThere was a mini-theatre holding several lightning talks. We had people from SouJava JUG, GoJava JUG, Globalcode, and several other Java gurus and companies running demos, talks, and even more. For example, @drspockbr talked about the ScrumToys project, that demonstrates the power of JSF. Hands On Lab for JAX-RS and WebSocketsOne of the cool things to do during JavaOne is to come to these Hands On labs and really do something using new technologies with the help of experts. This one in particular, was covered by me, Arun Gupta, and Reza Rahman. The HOL had more people than laptops (and we had 48 laptops!) interested on understanding and learning about the new stuff that is coming within Java EE 7. Things like JAX-RS, Server-sent Events and WebSockets. Hey, if you want to try this HOL by yourself, it is available on Github, so go for it! If you have questions, just let me know! Java Community KeynoteThis keynote presented a lot of cool things like startups using Java in their projects, the Duke Awards, SouJava winning the JCP Outstanding Award, the Java Band, and even more! It was really a space where the Java community could present what they are doing and what they want to do. There's a lot of interest on the Adopt-a-JSR program and the Adopt-OpenJDK. There's also an Adopt-a-JavaEE-JSR program! Take a look if you want to participate and Make the Future Java. Java EE (JMS, JAX-RS) sessions from Reza Rahman, the HeavyMetal guyReza is a well know professional and Java EE enthusiast from the communitty who just joined Oracle this year. His sessions were very well attended, perhaps because of a high interest on the new things coming to Java EE 7 like JMS 2.0 and JAX-RS 2.0. If you want to look at what he did at this JavaOne edition, read his blog post. By the way, if you like Java and heavymetal, you should follow him on Twitter as well! :-) Java EE (WebSockets, HTML5) sessions from Arun Gupta, the GlassFish guyIf you don't know Arun Gupta, no worries. You will have time to know about him while you read his Java EE 6 Pocket Guide. Arun has been evangelizing Java EE for a long time, and is now spreading his word about the new upcoming version Java EE 7. He gave one talk about HTML5 Productivity on the Java EE 7 platform, and another one on building web apps with WebSockets. Pretty neat! Arun blogged about JavaOne Latin America as well. Read it here. Java Embedded and JavaFXIf there are two things that are really trending in the Java World right now besides Java EE 7, certainly they are JavaFX and Java Embedded. There were 14 talks covering Java Embedded, from Java Cards to Raspberry.pi, from Java ME to Java on your TV with Ginga-J. The Internet of Things is becoming true, and Java is the only platform today that can connect it all in an standardized and concise way. JavaFX gained a lot of attention too. There were 8 sessions covering what the platform has to offer in terms of Rich User Experience. The JavaFX Scene Builder is an awesome tool to start playing designing an UI, and coding for JavaFX is like coding Swing with 8 hands, one holding your coffee cup. You can achieve a lot, with your two hands (unless, you really have 8 hands, then you can achieve 4 times more :-). If you want to read more about JavaFX, go to Stephen Chin's blog post. GlassFish and Friends Party, 1st edition at JavaOne Lating AmericaThis is probably the thing that I'm most proud. We brought to Brasil the tradition of holding a happy hour for all GlassFish, Java EE friends. This party started almost 7 years ago in San Francisco, and it was about time to bring it to Brazil! The party happened on Tuesday night, right after JavaOne General Keynote, at the Tribeca Pub. We had about 80 attendees and met a lot of Java EE developers there! People from JUGs, Oracle, Locaweb and Red Hat showed up too, including some execs from Oracle that didn't resist and could not miss a party like this one.Lots of caipirinhas, beer and food to everyone, some cool music... even The Fish walking around the party with Juggy!You can see more photos from the party on an album I shared with the recently created GlassFish Brasil community on Google+ here (but you may be more interested in joining the GlassFish english community). There's also more pictures that Arun took and shared on this link. So now you may want to consider coming to Brazil next year! Java EE 7 is on its way, and Brazil is happily and patiently waiting for it, with a lot of enthusiasm. By the way, GlassFish and Java EE 6 just celebrated a Happy Birthday!

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  • DNS lookup failed --- dig: couldn't get address for 'ns1.p34.dynect.net': failure

    - by Udit Gupta
    I am a Network Admin from India, managing a large University Network of more than 15000 users. Here goes my problem - My DNS is unable to get ip address for ns1.p34.dynect.net. when i use dig +trace twitter.com on my DNS Server i get this messages:- dig: couldn't get address for 'ns1.p34.dynect.net': failure and this is happening with all those sites listed with dynect.net like twitter,linkedin,quora etc. Find the attached screen shot for the same message. Right now I have temporally fixed (not actually fixed) the problem using Google DNS (8.8.8.8) What could be the issue as It is able to resolve all other sites perfectlly. Thanks Edit: As suggested in answer, I am attaching one more screen shot.

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  • Restarting Haproxy Gracefully

    - by Anand Gupta
    As per various blogs, HAproxy can be gracefully restarted using the following command: sudo haproxy -f /etc/haproxy/haproxy.cfg -p /var/run/haproxy.pid -sf $(cat /var/run/haproxy.pid) TO verify this, I had set up a apache bench script which contiguously sent message to haproxy. Ideally, whenever I restarted my server the script should not have an affect on the apache bunch execiton. But, it seems that whenever Haproxy is restarted apache bench scripts terminate and the connection to load balancer is lost. Here is the details of my HaProxy configuration file : global nbproc 4 log 127.0.0.1 local0 log 127.0.0.1 local1 notice #log loghost local0 info maxconn 4096 #chroot /usr/share/haproxy user haproxy group haproxy daemon pidfile /var/run/haproxy.pid stats socket /home/ubuntu/haproxy.sock #debug #quiet defaults log global mode http option httplog option dontlognull retries 3 option redispatch maxconn 2000 contimeout 5000 clitimeout 50000 srvtimeout 50000 listen webstats bind 0.0.0.0:1000 stats enable mode http stats uri /lb?stats stats auth anand:aaaaaaaa #stats refresh listen web-farm 0.0.0.0:80 mode http balance roundrobin option httpchk HEAD /index.php HTTP/1.0 server server2.com 1.1.1.1:80 server serve1.com 1.1.1.2:80 ~ Please let me know what am I missing here.

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  • possible SYN flooding on port 80. Sending cookies

    - by Sparsh Gupta
    I recently had a server downtime. I looked everywhere and the only thing I found in my log files is: Feb 17 18:58:04 localhost kernel: possible SYN flooding on port 80. Sending cookies. Feb 17 18:59:33 localhost kernel: possible SYN flooding on port 80. Sending cookies. Can someone give me more information about it. WHat is it, How can I debug the cause and how can I fix the same. I also posted ipconntrack suddenly became toooo large which has another data point I found unusual, wondering if the two things is connected as they occured exactly at the same time but at different servers. One at reverse proxy and other at actual backend Varnish server) Thanks

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  • HTTP response time profiling

    - by Sparsh Gupta
    Hello I have a nginx reverse proxy. The server is close to serving 600-700 requests per second. I have a Munin HTTP load time plugin which is outputting this: http://monitor.wingify.com/munin/visualwebsiteoptimizer.com/lb1.visualwebsiteoptimizer.com-http_loadtime.html Now, the problem is I am seeing some spikes in the graph. Expected response times should always be under 200ms. I am keeping an eye on syslog and messages but I am unable to figure out the actual cause of this. I was wondering if there is any good HTTP response time profiling system which I can install / embed with this nginx server and get a detailed reports / logs on the breakup of time taken by different things and what exactly is the cause of the spikes. The profiling system would also help me understand bottlenecks and how can I further optimize the latency. Most important right now is to investigate the cause of the spikes in the HTTP load time graphs (similar pattern is reported by external monitors - Pingdom) and to fix it to get consistent response times Thanks

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  • Uknown nginx Error Messages

    - by Sparsh Gupta
    Hello, I am getting some nginx errors as I can see them in my error.log which I am unable to understand. They look like: ERRORS: 2011/03/13 21:48:21 [crit] 14555#0: *323314343 open() "/usr/local/nginx/proxy_temp/0/95/0000000950" failed (13: Permission denied) while reading upstream, client: XX.XX.XX.XX, server: , request: "GET /abc.jpg 2 HTTP/1.0", upstream: "http://192.168.162.141:80/abc.jpg", host: "example.com", referrer: "http://domain.com" 2011/03/13 22:00:07 [crit] 14552#0: *324171134 open() "/usr/local/nginx/proxy_temp/1/95/0000000951" failed (13: Permission denied) while reading upstream, client: XX.XX.XX.XY, server: , request: "GET mno.png HTTP/1.1", upstream: "http://192.168.162.141:80/mno.png", host: "example.com", referrer: "http://domain2.com" I also looked at these locations but found that there is no file by this name. root@li235-57:/var/log/nginx# /usr/local/nginx/proxy_temp/1/ 00/ 01/ 02/ 03/ 04/ 05/ 06/ 07/ 08/ 09/ 10/ 11/ 12/ 13/ 14/ 15/ 16/ 17/ 18/ 19/ 20/ 21/ 22/ 23/ 24/ 25/ 26/ 27/ 28/ 29/ 30/ 31/ 32/ 33/ 34/ 35/ 36/ 37/ root@li235-57:/var/log/nginx# ls /usr/local/nginx/proxy_temp/0/ 01/ 02/ 03/ 04/ 05/ 06/ 07/ 08/ 09/ 10/ 11/ 12/ 13/ 14/ 15/ 16/ 17/ 18/ 19/ 20/ 21/ 22/ 23/ 24/ 25/ 26/ 27/ 28/ 29/ 30/ 31/ 32/ 33/ 34/ 35/ 36/ 37/ Can someone help me whats going on / how can I debug this more and better fix this Thanks

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  • Upgrade MySQL on Plesk on Windows

    - by Cyril Gupta
    I just got a nasty surprise when I installed a website in Unicode Hindi (Indian language) on a server, all freshly entered unicode data is turning into question marks on the server. On my dev machine it works perfectly. I found that I have MySQL version 5.0.45 (installed in default by Plesk I guess). On my dev machine i have version 5.1.33. I believe the problem could be due to the version difference. The new version of MySQL apparently has better support for Unicode than the older one. I want to upgrade MySQL on my Windows Server machine with Plesk installed on it I am reluctant to just install the new version using the mysql installer because Plesk maintains some custom settings for mysql and I am afraid the new version could change those settings and break my db. Can anyone tell me do I have to do anything special to install MySQL on plesk on windows or can I just use the new version installer?

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  • Server Configuration / Important Parameter for 500Req/Second

    - by Sparsh Gupta
    I am configuring a server to be used as nginx server for a very heavy traffic website. It is expected to receive traffic from a large number of IP addresses simultaneously. It is expected to get 500Req/Second with atleast 20Million unique IPs connecting it. One of the problems I noticed in my previos server was related to iptables / ipconntrack. I am not aware of this behaviour and would be glad to know which all parameters of a ubuntu / debian (32/64) bit machine should I tweek to get maximum performance from the server. I can put in a lot of RAM on the server but mission critical task is the response times. We ideally dont want any connection to be hanging / timing out / waiting and want as low as possible overall response times. P.S. We are also looking for a kick ass freelancer system admin who can help us figuring / setting this all up. Reach me incase you have some spare time and interested in working on some very heavy traffic website servers.

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  • DHCP request error. Send_packet now permitted, How to debug, What does it mean

    - by Sparsh Gupta
    Hello I recently installed CSF firewall and have made live a new server which is accepting around 600req/second. Its basically a reverse proxy and I found in pingdom and munin that for a particular time, the response times of the server increased by 3 folds. I looked into logs and exactly at that point, I found loads of entries like this: Feb 27 15:22:09 li235-57 dhclient: DHCPREQUEST of <My IP address> on eth0 to 207.192.68.72 port 67 Feb 27 15:22:09 li235-57 dhclient: send_packet: Operation not permitted Can you help me understand what went wrong and what exactly happened. Is there any settings I should change in CSF or any pointer to debug this further Thanks

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  • Upgrade MySQL on Plesk on Windows

    - by Cyril Gupta
    I just got a nasty surprise when I installed a website in Unicode Hindi (Indian language) on a server, all freshly entered unicode data is turning into question marks on the server. On my dev machine it works perfectly. I found that I have MySQL version 5.0.45 (installed in default by Plesk I guess). On my dev machine i have version 5.1.33. I believe the problem could be due to the version difference. The new version of MySQL apparently has better support for Unicode than the older one. I want to upgrade MySQL on my Windows Server machine with Plesk installed on it I am reluctant to just install the new version using the mysql installer because Plesk maintains some custom settings for mysql and I am afraid the new version could change those settings and break my db. Can anyone tell me do I have to do anything special to install MySQL on plesk on windows or can I just use the new version installer?

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  • Sql Server 2005 database lost, How to recover all records. MDF/LDF size is same as it should be

    - by Shantanu Gupta
    Few months back, I installed a sql server 2005 on one of my client machine. I gave him a backup option to take backup timely but he never took any backup. Today he called me that "i m not able to see any record of mine." I visited at my clients system and saw that none of the record was present on the tables. There was not even a single row in any of the tables. Then I checked if he has any backup file which i found to be absent. I asked him the reason what could be the possible cause. He said it might be due to virus. After this I checked the size of mdf and ldf file and found it should be what it is. when i created his server mdf ldf file had 2MB of database now it is 83 MB and 193Mb mdf/ldf respectively. This shows the data is still present in it but it is not being displayed. What could be the possible cause and how can i restore all data back to my tables ?

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  • Microsoft signed driver appears as publisher not verfied

    - by Priyanka Gupta
    Task at hand: Microsoft sign drivers on Win 7. I microsoft signed my driver package 3 times every time thinking I might have missed a step or something. However, I cannot seem to get rid of the Windows Security error message "Windows can't verify the publisher of this driver software'. This is not the first time I have signed the driver packages. I was successfully able to sign other driver packages a few months ago. However, with this driver package I keep getting Windows security dialog box. Here's the procedure I follow - Create a new cat file using INF2CAT tool. Self sign the driver using a Versign Class 3 Public Primary Certification Authority - G5.cer. Run the microsoft tests on DTM Servers and clients with the devices that use this driver. Create WLK submission package. Self sign the cab file. Submit the package for certification. The catalog file that comes back after successfully passing tests says Name of signer "Microsoft Windows Hardware Comptibility Publisher". When I check the validity of signature using SignTool, it says the signature is vaild. However, when I try to install the driver with new signed catalog file the windows complain. Any ideas? Edit 11/12/2012: Reply to Eugene's comment Thanks for the help, Eugene. Yes. I did sign two other driver packages before. One of them was modified version of WinUSB driver. I am using the same certificate I used when I signed those two driver packages a few months ago. It costs $250 per signing from Microsoft. I would think that Microsoft would complain about it during certification if the certificate is wrong. I use the following command to self sign the CAT file. I don't have to specify the ceritificate name as there's only one certificate in the directory - Signtool sign /v /a /n CompanyName /t http://timestamp.verisign.com/scripts/timestamp.dll OurCatalogFile.cat Below is the result from running Verify command on the Microsoft signed OurCatalogFile.cat C:\Program Files\Microsoft SDKs\Windows\v7.1\Bin\x64signtool verify /v "C:\User s\logotest\Documents\serialdriversigning\OurCatalogFile.cat" Verifying: C:\Users\logotest\Documents\serialdriversigning\OurCatalogFile.cat" Hash of file (sha1): BDDF39B1DD95881B462164129758A7FFD54F47D9 Signing Certificate Chain: Issued to: Microsoft Root Certificate Authority Issued by: Microsoft Root Certificate Authority Expires: Sun May 09 18:28:13 2021 SHA1 hash: CDD4EEAE6000AC7F40C3802C171E30148030C072 Issued to: Microsoft Windows Hardware Compatibility PCA Issued by: Microsoft Root Certificate Authority Expires: Thu Jun 04 16:15:46 2020 SHA1 hash: 8D42419D8B21E5CF9C3204D0060B19312B96EB78 Issued to: Microsoft Windows Hardware Compatibility Publisher Issued by: Microsoft Windows Hardware Compatibility PCA Expires: Wed Sep 18 18:20:55 2013 SHA1 hash: D94345C032D23404231DD3902F22AB1C2100341E The signature is timestamped: Tue Nov 06 11:26:48 2012 Timestamp Verified by: Issued to: Microsoft Root Authority Issued by: Microsoft Root Authority Expires: Thu Dec 31 02:00:00 2020 SHA1 hash: A43489159A520F0D93D032CCAF37E7FE20A8B419 Issued to: Microsoft Timestamping PCA Issued by: Microsoft Root Authority Expires: Sun Sep 15 02:00:00 2019 SHA1 hash: 3EA99A60058275E0ED83B892A909449F8C33B245 Issued to: Microsoft Time-Stamp Service Issued by: Microsoft Timestamping PCA Expires: Tue Apr 09 16:53:56 2013 SHA1 hash: 1895C2C907E0D7E5C0292B92C6EA8D0E236F525E Successfully verified: C:\Users\logotest\Documents\serialdriversigning\OurCatalogFile.cat" Number of files successfully Verified: 1 Number of warnings: 0 Number of errors: 0 Thank you!

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  • iptables forward rule not working in openwrt

    - by Udit Gupta
    I am trying to apply some iptables forwarding rules in openwrt. Here is my scenario - My server has two cards ath0 and br-lan. br-lan is connected to internet and ath0 to private network. The other m/c in n/w also has ath0 that connects with this server's ath0 and they are able to ping each other. Now, I want other m/c in network to use internet using br-lan of server so I thought of using iptables forwarding rule- Here is what I tried - Server : $ ping 1.1.1.6 // <ath0-ip of client> works fine $ iptables -A FORWARD -i ath0 -o br-lan -j ACCEPT $ /etc/init.d/firewall restart Client : $ ping 1.1.1.5 // <ath0-ip of server> works fine $ ping 132.245.244.60 // <br-lan ip of server> (not working) I am new to iptables stuff and openwrt. What I am doing wrong here ?? Any other help if anyone could suggest for my scenario Edit- m/c - machine n/w - network

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  • Connect laptop to mobile wifi

    - by Arnab Sen Gupta
    I have a nokia N97. In my apartment there's a wifi network that we all use to connect to the internet. But for the past few days my laptop is not able to find the network..Initially I thought it was a problem of the network,but hen I found out that others were able to use it..My vista os laptop is able to detect other available networks but not the required one..Then i tried to connect my cell phone to the network and it did easily!! I tried restoring the network settings to default but it showed the network for just 2 mins and it ws back to square one.. I wanted to know can I connect my laptop to the cell using USB and browse internet through that?? I have done it when I used GPRS but am not sure if it cn be done in this situation when the cell is connected toa wifi network..plz help..

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  • Microsoft signed drivers appears as publisher not verfied

    - by Priyanka Gupta
    Task at hand: Microsoft sign drivers on Win 7. I microsoft signed my driver package 3 times every time thinking I might have missed a step or something. However, I cannot seem to get rid of the Windows Security error message "Windows can't verify the publisher of this driver software'. This is not the first time I have signed the driver packages. I was successfully able to sign other driver packages a few months ago. However, with this driver package I keep getting Windows security dialog box. Here's the procedure I follow - Create a new cat file using INF2CAT tool. Self sign the driver using a Versign Class 3 Public Primary Certification Authority - G5.cer. Run the microsoft tests on DTM Servers and clients with the devices that use this driver. Create WLK submission package. Self sign the cab file. Submit the package for certification. The catalog file that comes back after successfully passing tests says Name of signer "Microsoft Windows Hardware Comptibility Publisher". When I check the validity of signature using SignTool, it says the signature is vaild. However, when I try to install the driver with new signed catalog file the windows complain. Any ideas? Edit 11/12/2012: Reply to Eugene's comment Thanks for the help, Eugene. Yes. I did sign two other driver packages before. One of them was modified version of WinUSB driver. I am using the same certificate I used when I signed those two driver packages a few months ago. It costs $250 per signing from Microsoft. I would think that Microsoft would complain about it during certification if the certificate is wrong. I use the following command to self sign the CAT file. I don't have to specify the ceritificate name as there's only one certificate in the directory - Signtool sign /v /a /n CompanyName /t http://timestamp.verisign.com/scripts/timestamp.dll OurCatalogFile.cat Below is the result from running Verify command on the Microsoft signed OutCatalogFile.cat C:\Program Files\Microsoft SDKs\Windows\v7.1\Bin\x64signtool verify /v "C:\User s\logotest\Documents\serialdriversigning\OurCatalogFile.cat" Verifying: C:\Users\logotest\Documents\serialdriversigning\OurCatalogFile.cat" Hash of file (sha1): BDDF39B1DD95881B462164129758A7FFD54F47D9 Signing Certificate Chain: Issued to: Microsoft Root Certificate Authority Issued by: Microsoft Root Certificate Authority Expires: Sun May 09 18:28:13 2021 SHA1 hash: CDD4EEAE6000AC7F40C3802C171E30148030C072 Issued to: Microsoft Windows Hardware Compatibility PCA Issued by: Microsoft Root Certificate Authority Expires: Thu Jun 04 16:15:46 2020 SHA1 hash: 8D42419D8B21E5CF9C3204D0060B19312B96EB78 Issued to: Microsoft Windows Hardware Compatibility Publisher Issued by: Microsoft Windows Hardware Compatibility PCA Expires: Wed Sep 18 18:20:55 2013 SHA1 hash: D94345C032D23404231DD3902F22AB1C2100341E The signature is timestamped: Tue Nov 06 11:26:48 2012 Timestamp Verified by: Issued to: Microsoft Root Authority Issued by: Microsoft Root Authority Expires: Thu Dec 31 02:00:00 2020 SHA1 hash: A43489159A520F0D93D032CCAF37E7FE20A8B419 Issued to: Microsoft Timestamping PCA Issued by: Microsoft Root Authority Expires: Sun Sep 15 02:00:00 2019 SHA1 hash: 3EA99A60058275E0ED83B892A909449F8C33B245 Issued to: Microsoft Time-Stamp Service Issued by: Microsoft Timestamping PCA Expires: Tue Apr 09 16:53:56 2013 SHA1 hash: 1895C2C907E0D7E5C0292B92C6EA8D0E236F525E Successfully verified: C:\Users\logotest\Documents\serialdriversigning\OurCatalogFile.cat" Number of files successfully Verified: 1 Number of warnings: 0 Number of errors: 0 Thank you!

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  • Very Large number of connections in TIME_WAIT state; Server is slow, ipconntrac

    - by Sparsh Gupta
    I have a nginx server with load balancing and reverse proxy. Right now its behing another nginx but very soon I plan to make it front, where it will receive TCP connections from clients directly at a rate of 500req/second I am having some big troubles with the server. I have pasted my configurations here and I am kinda sure that the problem is with ipconntrac and similar things which are alient to me http://paste.org/pastebin/view/28543 root@load_balancer:/proc/sys/net/ipv4# netstat -an|awk '/tcp/ {print $6}'|sort|uniq -c 67 CLOSING 727 ESTABLISHED 173 FIN_WAIT1 183 FIN_WAIT2 19 LAST_ACK 5 LISTEN 447 SYN_RECV 1 SYN_SENT 27970 TIME_WAIT Its a ubuntu machine with mainly nginx (load balancer and reverse proxy) installed. It surely isnt great. Can you help me understand whats going on and how can I fix it. This is my live server and I am sure its in a bad shape right now. Any document or commands to fix this, or settings I should make to make this better and reduce time wait and fin_wait1/2 better would be awesome.

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  • How to install MySQL on Windows 7

    - by akash gupta
    Please help me how to install MySQL on Windows 7. When I tried to install, I am getting errors as: The security settings could not be applied to the database because the connection has failed of the following errors ERROR NR:1045 Access denied for user 'root@'localhost(using password yes). I tried to uninstall MySQL completely and install again, but it shows this error again and again. I have changed my firewall setting also and tried unstalling antivirus sotware too. But it also did not work.

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