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• OpenVPN and Squid Setup troubleshooting

  - by Adam

  I am trying to setup squid to tunnel via openvpn so that I can just enter an Ip and port in my browser settings and use it as a US proxy. My server is a OpenVZ VM. Running into some issues: I setup openvpn using : http://safesrv.net/install-openvpn-on-centos/ as part of that guide I also ran: iptables -t nat -A POSTROUTING -o venet0 -j SNAT --to-source iptables -t nat -A POSTROUTING -s 10.8.0.0/24 -j SNAT --to-source Installed squid using this guide: http://www.server-world.info/en/note?os=CentOS_6&p=squid from that guide changed acl lan src 10.0.0.0/24 to acl lan src 10.8.0.0/24 Next, I went to my browser proxy settings and put - 10.8.0.1 in the HTTP field. Put the port I had setup in the squid config file and tried to load a page. Nothing connecting. Any help? What am I doing wrong?

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• Cannot connect Solaris 10 to Windows 7

  - by user999353

  I'm trying to connect a Solaris VM (powered by VMware Player) to Windows Explorer in Windows 7. When I try to map the network drive I get the following: The specified server cannot perform the requested operation. I am using the following URL which has worked on a machine I used before. The only thing that has changed is the IP address of the Solaris machine. I am able to connect to the VM via putty. \\1.2.3.4\xxx\yyy I checked and I think samba is running.. root 375 1 0 09:53:39 ? 0:00 /usr/sfw/sbin/smbd -D root 376 375 0 09:53:40 ? 0:00 /usr/sfw/sbin/smbd –D Anyone any ideas?

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• Can't connect to memcached

  - by DMClark

  We currently have memcached running on CentOS. None of our PHP applications can connect, have tried multiple applications trying to establish access. The most informative PHP error we get is: "Memcache::get() [function.Memcache-get]: Server 127.0.0.1 (tcp 11211) failed with: Permission denied (13) in /var/www/.." memcached 1.4.5 PECL 2.25 We can telnet and it works. IP tables is full access from lo to lo. We've tried this on two different servers with both compiled version and the rpm in CentOS 5.5 and get the same result. Is there anything fairly obvious that we are missing?

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• How do I map a friendly name (e.g. www.example.com) to 127.0.0.1:port# on Mac OS X

  - by Fred Finkle

  I am trying to create a demo for a class of mine and I want to configure "fake" domain names on my laptop. A previous question "Can I specify a port in an entry in my /etc/hosts on OS X?" contained an answer indicating that to do it you must use /etc/hosts plus changes to the iptables "If OS X uses iptables you could point xyz.com to some ip in the hosts file like 157.166.226.25 and then: sudo iptables -t nat -A OUTPUT -p tcp --dport 80 -d 157.166.226.25 -j DNAT --to-destination 127.0.0.1:3000 " Since OS X doesn't use iptables, how do I do the equivalent using the tools available on OS X? (the original "asker" seemed to know how to do this, so it wasn't explained). Thanks in advance.

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• "Warning: hostname localhost does not resolve to address ::1: No address associated with hostname" inside an openVZ/Debian container

  - by frlan

  I'm getting the mesage regulary inside mail.log from postfix. In special, but not only, at mails send received mailman. warning: hostname localhost does not resolve to address ::1: No address associated with hostname ::1 as well as 127.0.0.1 are defined as localhost inside /etc/hosts -- as provided by openVZ. Actually inside /etc/hosts these is configured (I removed special domains and IP for reasons): fe00::0 ip6-localnet ff00::0 ip6-mcastprefix ff02::1 ip6-allnodes ff02::2 ip6-allrouters 2a01::<some IPv6> host.example.org host example.org 127.0.0.1 localhost.localdomain localhost # Auto-generated hostname. Please do not remove this comment. xxx.xxx.xxx.xxx host.example.org host example.org ::1 localhost ip6-localhost ip6-loopback And this seems to work: $ host localhost localhost has address 127.0.0.1 localhost has IPv6 address ::1 On this box bley is also running.

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• Print Managment

  - by nardone25

  Hello everyone, I am having a ID10T error LOL,. First I am using window server 2003 r2 edition. I installed on a domian controller print managment. So this is where all 48 printers I have are installed. I just got a new printer. I gave it an IP for the machine and when I head into the server room i tried to add it to the server. I can print a test page, when I am logged on to the print server, but on my client computer when he goes to add a printer in window xp pro the printer isn't listed in add print for network. What did I do wrong?

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• Is this one network or two networks?

  - by colemik

  I have this simple question and really don't know the answer. Does the drawing below show one network or two networks? This is a question about the definition of a network from the OSI / TCP/IP model point of view: From one point of view, those are two L2 networks connected with a bridge. From another point of view, this is one L3 network, that can have a common L3 address space (like 10.1.1.0). PS If this question is too dumb, please move it to Superuser.

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• PING through batch file (looping problem)

  - by pradeetp

  I created a .BAT file in Windows 7 that has the following lines: PING XXX.XXX.XXX.XXX -t (XXX replaces the actual IP number). However, when I double click on this batch file, I can see the PING command repeatedly being executed in a loop. I even tried to rename the .BAT to .CMD but the result is the same. I want to avoid writing PING command through the Command Prompt, which is why I created the batch file. I don't know why the PING command is being continuously called when the same statement is put in a batch file.

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• Ubuntu Wired network(ethernet does not work)

  - by user36777

  It was working just fine, until the other day I yanked it out. The wireless works just fine on the same router. If I login to a windows 7 instance on this dual boot laptop then the ehternet works just fine. So it's not a hardware, cable or router issue. The card even gets an ip, but I can't connect to the internet. Here are the details from route, iptables, ifconfig, ping etc. Any ideas? I have been struggling with this for day, none seems to have an answer. http://pastie.org/954816

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• IE Search Provider: Specifying gTLD / Country-Specific Site

  - by jwa

  I am based in the UK, and as such typically use google.co.uk as my search engine. However, my employer is based in continental Europe, and thus my internet proxy is located overseas. As a result, IP geo-location presents a location outside of the UK. Google detects this, and as a result will redirect my searches from the address bar to a foreign Google domain. This leads to "local" answers having a higher ranking, many of which are not written in English language! Is there a specific search provider / URL I can give to IE which will use a specific gTLD of google (.co.uk), rather than performing the location-based redirect?

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• How to prefer ipv6 over ipv4 only for specific websites?

  - by kria

  I only have ipv6 connectivity via a HE tunnel on my router, so normally I want to prefer ipv4 over ipv6. For some websites however, I would like to prefer ipv6. Right now I have just set DisabledComponents to 0x20 and hard coded the ipv6 resolution into my hosts file for the sites i want to access over ipv6. Since these ip addresses change at times, this is not a good solution. Any ideas on how to handle this in a non-clunky way? Some kind of Chrome/Firefox add-on might do the trick, but I couldn't find one for this purpose.

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• Issues connecting VMWare VM to Windows 7 (host)

  - by MasterGberry

  I am on windows 7 trying to figure out why i cannot ping my computer or my VM from the other one, yet I am able to ping the router on both and other computers on the network. My desktop is running windows 7 64 bit and my vm is running CentOS 64 bit (which is what I use to test my web server stuff). At my school the VM has a dedicated IP and i don't have this issue, but I am home now and having issues trying to set this up behind my dumb router...I had already tried changing the VINC (i believe) to hide the vmnet1 and vmnet8 connections from the windows firewall and this seemed to have worked for like 5 minutes and then stopped... Any ideas? Thanks

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• php5-suhosin Broken Installation

  - by h00j

  Hi i get the following error when trying to install, have you any idea how to fix? apt-get install php5-suhosin Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: php5-suhosin : Depends: phpapi-20090626 E: Unable to correct problems, you have held broken packages. I get the following error in my apache2 error log [Mon May 07 21:43:15 2012] [error] [client ip] PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php5/20100525/suhosin.so' - /usr/lib/php5/20100525/suhosin.so: cannot open shared object file: No such file or directory in Unknown on line 0

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• Can't set up printer

  - by Jason Swett

  I'm trying to set up an HP OFficejet Pro 8500 A909a on my Windows XP machine over the network. I know the IP address of the printer but it's unclear to me how to set it up based on that. I have no idea how to troubleshoot this problem. I've tried installing the drivers but when I do that it tells me the printer is on a different gateway from my workstation, which is not true. Also, other people in the office are able to connect to this printer just fine, although the driver apparently didn't work for them, either.

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• Error code 0x80070035. The network path was not found

  - by user144606

  My system is connected with a local LAN connection with 30 PC's. I'm not able to access the shared drive in the network, but I'm able to ping the IP address in which the drive is present. I have checked to start all the services, which are to be started and i have check the TCP/UDP ports also, but even after that I'm not able to access the drive, the same error message is being displayed again and again. Please help me to rectify the problem. I'm trying to solve the problem for the last 1 week. I have tried various solutions which are present in various web site, but I'm not able to find a proper solution. So please help me.

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• 8GB, but have to run Windows Xp (32 Bit). Anything I can do with the additional memory?

  - by user12889

  I ordered a new computer with 8GB RAM with the plan to run Windows 7, 64Bit. Turns out now, that I need to run a 32Bit OS (XP or 7) due to some software which does not run on 64Bit yet (not even with any of the available compatibility settings / modes). Is there anything I can do with the memory above 4GB in this scenario? I'm willing to consider creative solutions like running a hypervisor under XP that offers the memory as a RAM-Disk for swapping etc. ? The software that does not run on 64Bit is CISCO VPN (there seems to be a half-working solution for that) and CISCO IP phone / webcam integration "CISCO Unified Video Advantage" (there is apparently no solution for that).

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• What is the `/etc/hostname` used/required for?

  - by static

  I found in the /etc/hostname my IP-address, than I deleted it and each time I use sudo - I get a message and a system email sudo: unable to resolve host (none) or if in the /etc/hostname is saved myhostname than sudo: unable to resolve host (myhostname). I know it is used to set the system's hostname via /etc/init.d/hostname.sh while booting process, but what is this setting required for (programs, services, daemons ...)? What if i set to localhost (so it doesn't happen any sudo: unable to resolve host (none) anymore, but is it still ok?)? UPD1: I found some information here: http://jblevins.org/log/hostname, but it is all about how to use it and not about - why it is required.

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• EC2: map multiple applications to different domains

  - by EsseTi

  i'm playing with EC2 and i've been able to create my instance that has a django appliacation on port 80, and a tomcat on 8080. now, with elastic IP i can manage to redirect my domain to django application. now i would like to map subdomains to each tomact applications. for example django app (ec2...:80) --> mydomain.com tomcat (ec2...:8080) --> tomcat.mydomain.com webbapp1 (ec2...:8080/webapp1/) --> webapp1.mydomain.com is this possible with the free account? ciao

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• can I connect two modems and comunicate on two side

  - by GongT

  I just wondering how modems work. I know the process of "modulation" and "demodulation". So I wanto know is "demodulation" are simple revese of "modulation" in real world. The PC can got an IP address when connect as type 1 What will happen when I connect them like type 2? type 1 : [PC] ================= [router] type 2 : [PC] === [m] ------- [m] === [router] [m] : modem(exactly same) === : Ethernet cable --- : DSL cable (phone line, maybe optical fiber, or something else?) ISP has a large number of model, Is them same thing as the one in my home(but with diffrent size/speed/price...etc)? Or it's completely different thing?

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• How to retrieve connection details of CheckPoint SSL Network Extender?

  - by amoe

  My workplace uses a Java-based VPN tool named CheckPoint SSL Network Extender. I would like to configure the VPN connection myself using stock OS tools, because I find the applet to be rather unstable. How would I go about getting all of the connection details needed to manually connect to the VPN? My workplace only supports the official client. When I am connected with the Java applet, if I run ipconfig /all I can see that a hidden network connection is created named Check Point Virtual Network Adapter For SSL Network Extender - Packet Scheduler Miniport. I can see the various IP and DNS details there as well. However, because I need to log in to the applet-based tool, I presume I need to export some kind of key in order to use OS tools to configure this. Is this even possible? Answers for any OS are great although I am using Windows XP to test, and also want to use Linux clients.

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• Which is the cheapest machine where I can run linux and plug in some webcams? (and with network inte

  - by marc.riera

  I'm looking for a very cheap machine to run a linux distro for security(anti-thief) software. I would like to be able to connect to the network and a couple of webcams. May be ip-webcams or usb-webcams. The idea is having a machine with batteryes, laptop style, but there is no need to have a display/monitor attatched all the time. I'm planning to spend no more than 200$, in case it also gets stolen. Any advice on what to buy? (all modifications to this security plan are welcome) Thanks.

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• How to make your apache application accessible within network

  - by guest

  I have a Windows XP machine where I have installed WAMP and made a PHP based web application. I can access the web application from within this machine by using the browser and pointing to: http://localhost/myApp/ --- and the page loads fine. Now I want this site (http://localhost/myApp) to be accessible to all machines within the network (and may be later, to the general public as well). I am quite new to this, how do I make my site accessible to all machines within the network and to the general public in the internet? I tried modifying the httpd.conf file in Apache (WAMP) by changing Listen 80 to Listen 10.10.10.10:80 (where I replaced 10.10.10.10 with the actual IP of this windows xp machine). I also tried "Put Online" feature in WAMP. None seem to work though. How do I make it accessible?

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• iSCSI drives suddenly inaccessible or corrupted

  - by Hammer1

  I have two NAS (Seagate Black Armors) connected to our network through iSCSI to a Dell Optiplex 760 running 32-bit Windows 7 and Windows iSCSI Initiator. For some unknown reason within the last week both are reportedly inaccessible and/or corrupt (that is the error message generated when I attempt to open the on the iSCSI computer). However, connecting to either of them via direct IP goes off without a hitch. I've tried Error checking but received "The disk check could not be performed because Windows could not access the disk." I've tried System Recover to a date almost two weeks back thinking Windows update may have caused the issue but there is no change. Anyone have an explanation and/or a solution to get them reconnected? Thanks.

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• Access from one VM to an Other

  - by meo

  I got a Linux VM Image from a dev in our company to develop on it. This works nice, but now i need to do some Internet Explorer testing, for that i have an other VM with windows on it. I have an entry in my hosts file under macos that redirect some virtual domain to the IP of the linux VM. I tried to modify the hosts file in windows also. But i cant reach Linux VM. How can i access the Server on the linux VM with Windows VM? Are there some settings i missed?

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• How do I transform a LAN subnet to another? (VPN)

  - by Krishath

  I've set up a VPN with a LAN behind it. VPN : 10.2.1.X LAN : 192.168.1.X When I connect from outside where the router via DHCP assigns me a similar IP to my "original LAN" (192.168.1.X) everything starts to be messed up. I can't route my traffic through the VPN and (obviosly) I can't reach my "real" LAN behind my VPN. How can I always reach my LAN? I thought that I can fake my LAN subnet to something like "10.2.2.X" to those PCs out of my VPN but in this way my VPN server should translate 10.2.2.X to 192.168.1.X (locally).[Is this S/D-NAT?] Is this possible? How can I accomplish that? Thank you very much!

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