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Search found 296 results on 12 pages for 'swati singh'.

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  • DNS Server address configured inside Router not working

    - by Charandeep Singh
    Well, I have an ISP router in which I have configured DNS Servers to use (Primary & Secondary) like Google DNS. It works just fine. But now I have setup a computer with DNS server (Simple DNS Plus). I got it working by settings my internal DNS Server IP Address in computer. i.e. 192.168.1.3 So, instead of settings my internal DNS IP Address in every computer in my network, I want to setup DNS Server into my router. So on every DHCP request, computer get DNS Server to use. So I configured it like this: Primary DNS: 192.168.1.3 Secondry DNS: (left blank) After applying and DNS Requests stop resolving. But strange part is DNS request does goes to DNS Server but maybe not returned back, because all DNS request were available in cache logs. I don't know why this is not working, let me know if you have any solution or wordaround for this. Thanks! Update 1: NSLOOKUP Result C:\Users\user>nslookup google.com DNS request timed out. timeout was 2 seconds. Server: UnKnown Address: 192.168.1.1 DNS request timed out. timeout was 2 seconds. DNS request timed out. timeout was 2 seconds. DNS request timed out. timeout was 2 seconds. DNS request timed out. timeout was 2 seconds. *** Request to UnKnown timed-out

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  • How much RAM required by Varnish?

    - by Gobind Singh Deo
    Hi, I'm using Apache for serving static files. Apache2 require too much RAM. I want to reduce the RAM usage. I don't have experience with Varnish. It's said to be faster. I don't know how Varnish works. So, How much RAM needed for running Apache2+Varnish? Will Apache2+Varnish have higher RAM usage than Apache2 without Varnish? Thanks.

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  • Install GRUB bootloader without installing Linux.

    - by Kavitesh Singh
    I have Windows 7 installed on the system and I want to create a separate WinPe bootable partition which system can fallback when things go wrong. Now Win7 does give this option and i might also edit the BCD store to make changes in the boot menu of Win7 or could use EasyBCD. I dont want to use these options as i need to customize hiding/unhiding of partitions at the time of booting etc. I search and found GRUB might the tool i am looking for. I want to use GRUB loader without any version of Linux installed on the system. Can someone guide me how i can install the GRUB on harddisk MBR and configure the bootmenu. I search internet and mostly i came across commands which search the GRUB on the harddisk because of existing linux installation and then try to repair it. In my case there is no Linux at all. I have Ubuntu 9.10 bootable CD/ OpenSUSE 11.2 liveCD and installation disc. Can i use them to install GRUB on my system?

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  • Forward Shibboleth Environment Variables to Tomcat via Apache

    - by Deepak Singh Rawat
    I am using Shibbolethv2.3 with Apache web server and Tomcat application server. I am using Apache as a reverse proxy using mod_proxy.so. I am not able to forward the Shibboleth environment variables from Apache to Tomcat. I am able to forward the attributes in the headers but as already mentioned in the wiki this approach is not safe. I have tried forwarding the environment variables by the following directive : SetEnv AJP_username ${username} then at the Java side I can access the attribute by : request.getAttribute("username"); The strange thing here is that, I get a different value instead of the one set by Shibboleth. I get the Windows account name as a result. If I use any other attribute name, I get a null value. I have searched a lot and have run out of options. Please guide me towards the right solution. My setup details : Shibboleth version : 2.3 OS : Windows XP SP3 Webserver : Apache 2.2 Application Server : Tomcat 6 Proxy module : mod_proxy.so

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  • Process killing trouble

    - by Aditya Singh
    I am trying to program a server software which involves a lot of testing on java / scala platform. Whenever i compile and execute the code. It starts listening on port 80. Sometimes i need to terminate it by Ctrl+C when it hangs. In that case, ubuntu is not freeing the port. So in order to run the process, i have to restart the machine. I see this at ps aux root 1924 0.0 0.0 5796 1660 pts/0 T 05:44 0:00 sudo scala - root 1925 0.2 1.5 491448 40796 pts/0 Tl 05:44 0:03 java -Xmx256M -Xms16M So process 1924 and 1925. I did sudo kill on both these. But then they keep on persisting even after a long time. sudo nmap -T Aggressive -A -v 127.0.0.1 -p 1-65000 Scanning localhost (127.0.0.1) [65000 ports] Discovered open port 80/tcp on 127.0.0.1 It means its still there ! sudo netstat --tcp --udp --listening --program tcp6 0 0 [::]:www [::]:* LISTEN 1925/java tcp6 0 0 ip6-localhost:ipp [::]:* LISTEN 1185/cupsd This means its 1925 - java How to kill it.

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  • Establishing Serial Port communication through USB in Linux

    - by Prashant Singh
    I am new to Ubuntu and I need to establish a serial port communication between my PC and microcontroller MSP430G2452. On connection the USB available with the Launchpad and using lsusb. It identifies the port as: Bus 005 Device 003: ID 0451:f432 Texas Instruments, Inc. eZ430 Development Tool After establishing such a connection what I need to do? My aim is to send a byte of information in Linux.

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  • What to do for a 1 million concurrent web application? [duplicate]

    - by Amit Singh
    This question already has an answer here: How do you do load testing and capacity planning for web sites? 3 answers There are few things that I would like to know here. What server configuration do I need. And if I am deploying it on EC2 how many VMs do I need and what should be their configuration. What options do I have to do a load testing for 1 million concurrent users. Any pointer to (for php) how to code or what to keep in mind for such application. This is for sure that I don't exactly know what to ask because this is my first application on this scale. But one thing is clear that this application should pass a load test of 1 million concurrent request.

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  • what does 999 means here

    - by Brij Raj Singh
    I did ll on one of my directories, what does 999 means here, drwxr-xr-x 9 git mysql 4096 Nov 12 14:41 gitlab/ drwxr-xr-x 6 gitlab_ci 999 4096 Jun 28 13:36 gitlabci/ could these directories be fully owned like gitlab is owned by git and gitlabci to be owned by gitlab_ci I want something like this drwxr-xr-x 9 git git 4096 Nov 12 14:41 gitlab/ drwxr-xr-x 6 gitlab_ci gitlab_ci 4096 Jun 28 13:36 gitlabci/

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  • Sharing internet from a laptop to other laptop

    - by Rocky Singh
    Here is my scenario. I have two laptops with me A and B. A is getting wireless internet connection from a Router. B(no wireless) is connected to A via LAN (I can ping two laptops from each other and this is working). My goal is to connect internet in B from A via proxy. Right now I can only seeing LAN connection but internet connectivity is not there in B. Here is the screenshot of B: What settings I need to make in A computer so that B can access the Internet via A via proxy.

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  • Windows scheduled task not running

    - by Ravi Kumar Singh
    I have several SQL server backups on a server. I have created a batch file which then copies these to network drives. These are mapped to the server, and it works properly. Now, I've created a scheduled task to do this. If I select "run the task when logged in", I can test the task. It works fine. However I cannot test it with the other option "run task if logged in or not". I've read that testing this task is not possible manually. However the task runs when we log off the server automatically.

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  • I want to upgrade my GPU to MSI NVIDIA N630GT-MD4GD3 4 GB DDR3 Graphic card

    - by jatin singh
    Hello every body this is my first post here.. I want to know about my motherboard's PCI express version , my motherboard as I don't have 10 reputation so I am providing image link here http://i.stack.imgur.com/6PWV9.png I have PCI express slot and I want to upgrade it to MSI NVIDIA N630GT-MD4GD3 4 GB DDR3 Graphic card.. this GPU has PCI exp version 2. Here in my city,the shopkeeper said that we have to check if the PCI express of my board is compatible to that GPU but I want to purchase it from flipkart because they sell it for less money (sorry for bad English :/) I mailed to my computers company (Acer) but they didn't reply to any of my mail so my friend told me about Super User.

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  • installed mysql using yum but mysqld dowsnt start: Fedora 16

    - by Sumit Singh Bir
    i installed mysql mysql-server and mysql-libs ... after installation i thought to start the mysql service using command systemctl start mysqld.service Failed to issue method call: Unit mysqld.service failed to load: Invalid argument. See system logs and 'systemctl status mysqld.service' for details. systemctl status mysqld.service this said that it had an invalid argument then i changed the content of mysqld.service with this File: /etc/systemd/system/mysqld.service [Unit] Description=MySQL database server After=syslog.target After=network.target [Service] User=mysql Group=mysql ExecStart=/usr/sbin/mysqld --pid-file=/var/run/mysqld/mysqld.pid ExecStop=/bin/kill -15 $MAINPID PIDFile=/var/run/mysqld/mysqld.pid # We rely on systemd, not mysqld_safe, to restart mysqld if it dies Restart=always # Place temp files in a secure directory, not /tmp PrivateTmp=true [Install] WantedBy=multi-user.target now i found that the error for invalid argument was resolved and mysqld.service was loaded but not enabled ... using systemctl start mysqld.service worked fine ... it workedddd! but then enabling it systemctl enable mysqld.service or service mysqld start did not do anything but the curdor kept on blinking after i pressed enter ... now the thing is that for this f16 i wasted my HDD space for development work and i cannot figure out a way ... please somebody help

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  • Cannot access any remote resource after connecting to Cisco VPN on Vista

    - by Deepak Singh Rawat
    I have installed Cisco vpn client version 5.0.07.0290 on Vista Business SP2. I am able to successfully connnect to the vpn. But after connecting I am not able to access any resource in the vpn (like database, other computers in the network etc.). I have tried the following without any success : Older versions of the client Other vpn clients like Shrewsoft : same issue as the cisco vpn client Disabled Internet Connection Sharing service Installed the client in the root administrator account Run the installer as administrator Run the vpngui and ipsecdialer in XP compatibility mode and as administrator I am not sure how to troubleshoot this issue. Can somebody please help me in troubleshooting this issue? P.S : I've Zonealarm firewall, can that be an issue?

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  • Deleted the GPT partition/ record

    - by Manish Kumar Singh
    A friend of mine had GPT partition n his Lenovo laptop. While formatting the computer and reinstalling the OS, I wiped of all the partitions, and created 4 new partitions. Now after installing everything, when I turned off the laptop. It isn't booting, I checked the BIOS settings, and tried booting Ubuntu off my life disc, it ran well, but again, I can't boot anymore. Later I figured out, that this is happening because I had deleted the GPT partition, and now the OS has tried to create MBR records, so basically this is the problem.

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  • Related to mmicrosoft office 2010 softwere installation.

    - by jitendra singh
    i have dwnloaded microsoft offfice 2010 from the net a trial version but a double click on the.exe icon nero windowa opens and which has only one option to burn a disk .for the installation i have uninstalled the nero but it again open the window of disk burning. is the .exe file corrupt or there is some another method to download and install the microsoft office 2010? simply saying that please guide me to install the microsoft office 2010 office suit file.

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  • Cannot access any remote resource after connecting to Cisco VPN on Vista

    - by Deepak Singh Rawat
    I have installed Cisco vpn client version 5.0.07.0290 on Vista Business SP2. I am able to successfully connnect to the vpn. But after connecting I am not able to access any resource in the vpn (like database, other computers in the network etc.). I have tried the following without any success : Older versions of the client Other vpn clients like Shrewsoft : same issue as the cisco vpn client Disabled Internet Connection Sharing service Installed the client in the root administrator account Run the installer as administrator Run the vpngui and ipsecdialer in XP compatibility mode and as administrator I am not sure how to troubleshoot this issue. Can somebody please help me in troubleshooting this issue? P.S : I've Zonealarm firewall, can that be an issue?

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  • duplicate cache pages: Varnish

    - by Sukhjinder Singh
    Recently we have configured Varnish on our server, it was successfully setup but we noticed that if we open any page in multiple browsers, the Varnish send request to Apache not matter page is cached or not. If we refresh twice on each browser it creates duplicate copies of the same page. What exactly should happen: If any page is cached by Varnish, the subsequent request should be served from Varnish itself when we are opening the same page in browser OR we are opening that page from different IP address. Following is my default.vcl file backend default { .host = "127.0.0.1"; .port = "80"; } sub vcl_recv { if( req.url ~ "^/search/.*$") { }else { set req.url = regsub(req.url, "\?.*", ""); } if (req.restarts == 0) { if (req.http.x-forwarded-for) { set req.http.X-Forwarded-For = req.http.X-Forwarded-For + ", " + client.ip; } else { set req.http.X-Forwarded-For = client.ip; } } if (!req.backend.healthy) { unset req.http.Cookie; } set req.grace = 6h; if (req.url ~ "^/status\.php$" || req.url ~ "^/update\.php$" || req.url ~ "^/admin$" || req.url ~ "^/admin/.*$" || req.url ~ "^/flag/.*$" || req.url ~ "^.*/ajax/.*$" || req.url ~ "^.*/ahah/.*$") { return (pass); } if (req.url ~ "(?i)\.(pdf|asc|dat|txt|doc|xls|ppt|tgz|csv|png|gif|jpeg|jpg|ico|swf|css|js)(\?.*)?$") { unset req.http.Cookie; } if (req.http.Cookie) { set req.http.Cookie = ";" + req.http.Cookie; set req.http.Cookie = regsuball(req.http.Cookie, "; +", ";"); set req.http.Cookie = regsuball(req.http.Cookie, ";(SESS[a-z0-9]+|SSESS[a-z0-9]+|NO_CACHE)=", "; \1="); set req.http.Cookie = regsuball(req.http.Cookie, ";[^ ][^;]*", ""); set req.http.Cookie = regsuball(req.http.Cookie, "^[; ]+|[; ]+$", ""); if (req.http.Cookie == "") { unset req.http.Cookie; } else { return (pass); } } if (req.request != "GET" && req.request != "HEAD" && req.request != "PUT" && req.request != "POST" && req.request != "TRACE" && req.request != "OPTIONS" && req.request != "DELETE") {return(pipe);} /* Non-RFC2616 or CONNECT which is weird. */ if (req.request != "GET" && req.request != "HEAD") { return (pass); } if (req.http.Accept-Encoding) { if (req.url ~ "\.(jpg|png|gif|gz|tgz|bz2|tbz|mp3|ogg)$") { # No point in compressing these remove req.http.Accept-Encoding; } else if (req.http.Accept-Encoding ~ "gzip") { set req.http.Accept-Encoding = "gzip"; } else if (req.http.Accept-Encoding ~ "deflate") { set req.http.Accept-Encoding = "deflate"; } else { # unknown algorithm remove req.http.Accept-Encoding; } } return (lookup); } sub vcl_deliver { if (obj.hits > 0) { set resp.http.X-Varnish-Cache = "HIT"; } else { set resp.http.X-Varnish-Cache = "MISS"; } } sub vcl_fetch { if (beresp.status == 404 || beresp.status == 301 || beresp.status == 500) { set beresp.ttl = 10m; } if (req.url ~ "(?i)\.(pdf|asc|dat|txt|doc|xls|ppt|tgz|csv|png|gif|jpeg|jpg|ico|swf|css|js)(\?.*)?$") { unset beresp.http.set-cookie; } set beresp.grace = 6h; } sub vcl_hash { hash_data(req.url); if (req.http.host) { hash_data(req.http.host); } else { hash_data(server.ip); } return (hash); } sub vcl_pipe { set req.http.connection = "close"; } sub vcl_hit { if (req.request == "PURGE") {ban_url(req.url); error 200 "Purged";} if (!obj.ttl > 0s) {return(pass);} } sub vcl_miss { if (req.request == "PURGE") {error 200 "Not in cache";} }

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  • Measuring performance indicators on a cluster

    - by Aditya Singh
    My architecture is based on Amazon. A ELB load balancer balances POST requests among m1.large instances. Every instance has a nginx server on port 80 which distributes the requests to 4 python-tornado servers on backend which handle the request. These tornado servers are taking about 5 - 10ms to respond to one request but this is the internal compute time of every request. I want to put this thing on test and i want to measure the response time from ELB to upstream and back and how does it vary when the QPS throughput is increased and plot a graph of Time vs. QPS vs. Latency and other factors like CPU and Memory. Is there a software to do that or should i log everything somewhere with latency checks and then analyze the whole log to get the stuff out. I would also need to write a self-monitor which keeps checking the whole response time. Is it possible to do it with a script from within the server. If so, will it be accurate ?

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  • When HDD becomes full, how to create a symbolic link to the data store on another disk?

    - by Brij Raj Singh
    I have a Linux Ubuntu machine which has an X GB hard disk. There is folder, say, /opt/software/data. The disk /dev/sda1 is almost full and I have attached another disk at /dev/sda2 which is mounted at /hdd2. Is it possible for me to link the folders /opt/software/data with /hdd2/software/data so, that every file get stored in the /hdd2/software/data but may be referred from the /opt/software/data? I can't do a reinstall of the software that creates this data, to change the default location of storage.

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  • Access Configuration Page of Modem (in bridge mode) through router

    - by Ujjwal Singh
    Given the Network Configuration: Internet (121.243.x.y/27) | (121.243.x.z) Static : Public Global IP Modem Bridge Mode | WiMAX (192.168.1.1/24) +169.254.1.1/24 : Modem Configuration Page | (192.168.1.2) Router DLink DIR 615 | Ethernet + WiFi (192.168.0.1/24) | Local network (192.168.0.2) Workstation Ethernet | no WiFi Is there any way, maybe using Routing Tables, to access the Modem configuration page at 169.254.1.1 from my local network, using a Windows 7 PC? Note that the modem is currently able to display its configuration page at 169.254.1.1, i.e. even while it is in bridge mode.

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  • Vlan Tagging at Access Port in Switch

    - by singh
    I'm Confused from the fact that Vlan tagging is done at access port and trunk port always gets tagged packets (until its case of native vlan).But I still believe in other fact which says tagging happen only when a frame hit the trunk port which means trunk port gets untagged frame and tagging is not possible at access port. Would like to know where actually this tagging happens ? and also which command we can use to encapsulate 802.1q protocol to access port ? The way we do at trunk port is switchport trunk encapsulation dot1q Is the above command applicable for access mode also?

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  • Issues trying to download Windows 8.1 using official downloader

    - by Aviral Singh
    I had been trying to download Windows 8.1 ISO from the last 3-4 days but a silly issue is preventing me to download it.As many posts over the internet explain,I tried to use generic keys to download(as I don't have Windows 8),but the installer always shows "We can't connect right now,please check you internet connection.".Isn't it silly?,I have a working internet connection.No matter whatever key I use it always ends at this message.I've tried every single generic key,and almost every key was accepted by the installer as valid,but then the message. Can anyone please explain why is this happening and any workarounds ?

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  • Trunking at Router Port

    - by singh
    After reading a bit about interVLAN routing got a doubt regarding how trunking takes place at router and at switch.In case of switch we configure a port interface as trunk port and say all vlan's are allowed here but in case of router we configure sub interface as trunk saying particular vlan belongs to particular subinterface .Can't we configure only a single port interface on router just like Switch and say all vlan's are allowed here on this interface ,why to go for sub interfaces? Hope I'm able to put my question in right way.

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