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  • Connection timed out exception, why?

    - by Dheeraj Kumar Aggarwal
    I am developing an application which uses embedded tomcat server 7, and deploys a web application on embedded server. My application accesses the embedded webapp through Rest APIs, but my clients are getting Connection Timed Out exceptions and port is also not blocked. I never gets this exception when I install this application on my local machine. Some points: IP address is used in the host name part (They are able to access this IP address on other port) Port is not blocked We are using Apache HttpClient library to access the URL Timeout interval seems not to be an issue. What are the possible reasons for this exception Connection Timed Out? or How can I simulate this problem on my local machine? Any pointers would be helpful.

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  • Closing telnet connection gracefully from session mode itself without going to telnet prompt.

    - by Kumar Alok
    a normal telnet connection is like this: telnet localhost 22 Trying 127.0.0.1... Connected to localhost. Escape character is '^]'. SSH-2.0-OpenSSH_4.2 ^] telnet close Connection closed. I want to close it from telnet session itself without coming to telnet prompt by pressing. My requirement is that if i press some control character from telnet session itself like CTRL+A so it will come out of session and close it automatically. something like this: $ telnet localhost 22 Trying 127.0.0.1... Connected to localhost. Escape character is '^]'. SSH-2.0-OpenSSH_4.2 ^A Connection closed. $ I tried all the options given at the man page and tried to do some $HOME/.telnetrc file tests but couldn't achieve it, as telnetrc will execute all the commands written in it with the given host whenever a telnet to that host is done. Can anyone help me in this, like how it can be achieved.

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  • MySQL - allow connection from remote machine as root user

    - by Senthil Kumar
    Hi all, When I installed MySQL server in Windows, there was an option "Allow root connection from remote machine". I checked that option and I had no probs when using it. I installed MySQL server in Ubuntu 9.04 using apt-get install. I can connect to the sql server from the same machine but when I try to connect from a virtual machine, it doesn't work. My guess is that I should allow root connection from remote machine. How to do that?

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  • VPN clients under PROXY SERVER

    - by Kumar P
    I want to set proxy server for my windows xp desktops. Currently using Windows 2003 as server. But client machines using VPN clients for our work. I installed and run FREEPROXY for proxy connections. But after i installed proxy, i can't connect VPN. What can i do here for setup proxy server with vpn connection. If change server from windows to linux, i am ready for it too.

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  • squid configuration change to accept http request on LAN

    - by Ratan Kumar
    installed squid + dansguardian to block adult content on my linux (ubuntu 12.10) . everything worked fine. it has blocked as expected . now the problem is i am also running an apache server for my LAN . ( kind of website ) but when accessing it via 192.168.0.1 , it says squid has blocked the connection , this is the exact error The following error was encountered while trying to retrieve the URL: http: //192.168.0.16/ Connection to 192.168.0.16 failed. The system returned: (113) No route to host The remote host or network may be down. Please try the request again. Your cache administrator is webmaster. before configuring the squid it was working fine . what changes in the squid.conf i have to make . i tried acl Safe_ports 80 allow_all Safe_ports ( i want to know how i can configure it again to listen HTTP request from LAN )

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  • Explanation of various domain name records?

    - by Kumar
    At the time of hosting, normally we just change name servers in the domain control panel. It's fine if both mail and web servers are the same. When they're different, we need to change the DNS records. When I try to point my blog to my domain name, I came to know about the various types of DNS records - A Records, AAA Records, MX Records, CNAME Records, NS Records, TXT Records, SRV Records, SOA Records, etc. I searched on Google, but would like to know more about these deeply. I found this link on the Internet - http://www.directnic.com/help/faq/?question_id=103 and got some idea about the different DNS records. But I have some more questions. How do the domain name records work? Is there any difference between NS record and other records in the way they work? Where should the NS record point to when using A record, CNAME record and MX record?

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  • Web Server with phpMyAdmin

    - by Kumar P
    We have web development company, We using RHEL 5 as local (proxy) server with few windows XP client machines. Now i want to make my Server machine as Web Server ( LAN only ), with mysql and phpMyAdmin. I installed httpd,php,mysql by yum. How to install phpMyAdmin ? And Where i want to installl ? Now i want to make my client machines can create php files in web folder, Also use mysql and phpMyAdmin. How can i do it ? Give me clear steps to do it .

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  • Access control to non root users

    - by Sirish Kumar
    Hi I am setting up development environment based on SLED, we have installed required software as root user. We have configuered users Login through NIS. Developers needs access to almost all partitions for complete access including write and execute when they login using their ID's, Log in through their own id's is mandatory . What is the best way to give this access?

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  • unknown monitor in lenova laptop

    - by kumar
    I have set of two lenova laptops in which Fedora core 13 is installed. In one machine, the monitor is detected properly such that It is possible to connect another monitor. But In another laptop, monitor is shown as unknown monitor. I tried to fix it by reinstalling xorg-x11-drv-intel.i686. But the problem remains same(unknown monitor). it is not possible to connect another monitor with this setting. Laptop model: G460. Graphics card: Intel Graphics Media accelerator HD. Thanks!

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  • System-install-packages missing

    - by Kumar P
    i am using RedHat Enterprise Linux 5.1. When i use add-remove software in application menu, i think, that i wrongly uninstalled something. so after reboot that menu item missing. Also i can't use system-install-packages in terminal. When i double click rpm package it open as archive. And i specifically open it as software installer by open with other application, it saying error /usr/bin/system-install-packages missing. Help me to solve this problem ...

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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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  • Unable login any web account in VM through proxy

    - by Sirish Kumar
    Hi, I have installed Suse Enterprise desktop in VMWare work station, and out company provides proxy for internet access. I am able to browse through the guest operating system( SLED ) but I am unable to log in to any web accounts like stackoverflow,google etc... It just times out And also after setting network proxy in Eclipse I am unable to install or update any plugins. Can anybody help me in diagnosing this issue.

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  • Anti Virus automatic update problem with linux squid proxy

    - by Kumar P
    I am using RHEL 5 linux server with 10 Windows XP client machines, I installed bit defender internet security 2009 in my windows machines, My Problem is automatic updates are not performing, I get following error I can't find what i want to do changes in my proxy. I am using squid 2.6 stable When i use Norton , get same error. What i want to do, for update it ?

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  • problem with intel 82865 motherboard graphic driver in windows 7

    - by Sanjay Kumar Yadav
    I have cpu with Pentium 4 3GHz processor. My motherboard is Intel 82865. I have installed the graphic driver for intel 82865 by using the graphic driver of Windows XP and changing the program's compatibility to Windows XP SP2. I got many thing ok with that. For example many resolutions and I can also play GTA. But what I want to know is why I cant view Aero and transparency effect in windows 7. It says contact the manufacturer for compbatible WDDM graphic driver.

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  • Windows Virtual PC File Copy from host very slow

    - by Shiv Kumar
    I have a Windows 7 desktop on which I've installed Windows Virtual PC and an instance Windows 7. I also have virtual XP instance on the same host. The problem I am having is that copying files from the host to the virtual machine is dog slow. I'm talking 17KB/sec. The host machine has a gigbit NIC. While using the XP virtual instance to do the same I didn't notice a huge difference but on the Window 7 virtual instance the time is really slowing me down. Is there something I need to do (settings) to fix this? I've attached an image of the Resource monitor (of the virtual Windows 7 instance) that shows my network traffic going in bursts rather than relatively steady. The files are on a "public" folder on my host machine.

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  • Unknown monitor in Lenovo laptop

    - by kumar
    I have set of two Lenovo laptops on which Fedora core 13 is installed. On one machine, the monitor is detected properly such that it is possible to connect another monitor. But on another laptop, the monitor is shown as unknown monitor. I tried to fix it by reinstalling xorg-x11-drv-intel.i686. But the problem remains same (unknown monitor) and it is not possible to connect another monitor with this setting. Laptop model: Lenovo G460. Graphics card: Intel Graphics Media accelerator HD. Thanks!

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  • Get/Assign IP addresses assigned by the DHCP sever with DLink switches in between

    - by Ranjith Kumar
    In our office the setup is like we have a UBUNTU server with DHCP Server connected to all the PCS via 24 port and 8 port DLink switches. How can I find all the PCS(with client name, ip and mac address)in the network?? When I do "vi /var/lib/dhcp3/dhcpd.leases", I get all the ip addresses for the switches. I have used "arp-scan --interface=eth0 --localnet" to get all the IPs and MAC Addresses in my local network. I couldn't find any option to diplay client name. Also I would like to assign particular IP for a particular PC. I have done the changes in the dhcp.conf file but it is not working as they are not directly connected to DHCP-server(DLink switches in between). How can I assign IPs for PCs in this kind of setup. Thanks in advance

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  • Virtual Hosting in RHEL5

    - by Kumar P
    We having RHEL5 linux server with few windows xp clients. We providing web development in php. Now my developers as for common local php server for keep their projects in same place. Currently proxy server and samba sharing are running in RHEL5 server. I installed httpd,php,MySQL in server. And i would like to configure virtual hosting too for LAN. What i want do for it ? In server we have 2 Ethernet ports, 1 for local connection and another one for Internet. Internet provided by ADSL provider. (192.168.0.0 series for ADSL modem connection and 10.1.1.0 for LAN connection. If i want to use virtual hosting , am i want to setup local DNS server ? My requirements are, setup php with mySQL server for Local clients with multiple hosting , without disturbing proxy and samba. Help me to solve it.

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