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• Apache localhost problem

  - by hart1994

  I have set up Apache on my Windows 7 PC. Now I have it working fine on the PC, by going to localhost or the IP (192.168.1.71). However when I go to my Mac I try to connect to it via its IP and it doesn't connect. I have also tried this on another computer. Oops! Google Chrome could not connect to 192.168.1.71 Now is there something wrong with the code in the Apache httpd file? EDIT: I have also tried to ping the IP address and it works fine.

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• Windows Server 2012 VPN Server on AWS VPC EC2 Instance

  - by abran

  I'd like to use window server 2012 VPN on a AWS VPC EC2 instance. The VPC has one public subnet and the EC2 instance has one network adapter. I've taken the following steps, but have been unsuccessful; am I missing a step or configuration? Thanks. Configured an elastic IP for the VPC Enabled protocols 47, 50, & 51 Added the RRAS role to the (EC2 instance) server Configured the RRAS for vpn only. Note: I'm able to RDP to the EC2 instance, but not able to ping the external IP.

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• Cloudstack virtual machines can't communicate with virtual routers when they are on different hosts

  - by Jorge Suárez de Lis

  I'm using Cloudstack 2.2.14 on a Ubuntu 10.04 set of hosts, and I have a problem on my setup. I have two hosts running. When a virtual router is created on host 1 and a virtual machine using that virtual router is created on host 2, or vice versa, I have no connectivity at all on the virtual machine. First of all, I have to setup the network manually on that virtual machine -usually DHCP is working, but not here-. Then, I can't ping to the virtual router from the virtual machine or vice versa. When both virtual router and virtual machine are created on the same host, everything works! Maybe those packages are being filtered somehow? I have no clue on how to proceed. Both hosts can communicate directly outside the virtualization.

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• Connect to internet through DC with 2 network interfaces

  - by Ali Foroughi

  I have a network like this : Client 1 <== Wireless ==> Access Point <== Wire ==> DC <== Wireless ==> ADSL Modem Client 1 : IP : 192.168.1.181 DG : 192.168.1.100 DNS : 192.168.1.100 Access Point : IP : 192.168.1.10 DG : 192.168.1.100 DC : IP : 192.168.1.100 DG : 192.168.1.1 DNS : 127.0.0.1 ADSL Modem : IP : 192.168.1.1 I can ping yahoo.com from client1, but cannot browse the internet. UPDATE1 : my DC has two network interfaces that I bridge together. UPDATE2 : I powered down the DC firewall UPDATE3 : I set a forwarder for my DC to 8.8.8.8 (Google dns)

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• New CAT5 cable run is unstable - bad jacks? Bad cable?

  - by BeemerGuy

  This is a little project I'm doing at home. I wanted to wire two rooms together (basically, the router is one room, and the switch is in the second room). So I ran a CAT5 between the two rooms, and wired an RJ45 jack in each room. I then hooked up the two jacks with two CAT5 cable to run it through the cable tester, and all 8 wires seem good. Now, when I connect the switch and the router, the connection is unstable -- I ping the router and it barely holds on for two pings before it disconnects, and stays in that unstable state. Just to make sure the router and the switch are ok, I connected them with long wire between the two rooms and the connection is absolutely stable, and pings continuously. What could be the cause for the unstable connection? Especially that it pings a few times, so there IS a connection. But why is it unstable? And how come the cable tester says it's ok, but it's unstable?

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• Cannot connect to Musicbrainz VirtualBox through SSH using Mac

  - by olovholm

  I am trying to connect my mac terminal shell to a VirtualBox running the Musicbrainz server. I have configured the network through a BridgeAdapter and running ifconfig on both the host and the guest show corresponding IP addresses. I can now ping the guest, but I cannot connect through SSH. The verbose output from the SSH client on my mac states: (olaenv)hf-79-202:Python oclovhol$ ssh -vv [email protected] OpenSSH_5.6p1, OpenSSL 0.9.8r 8 Feb 2011 debug1: Reading configuration data /etc/ssh_config debug1: Applying options for * debug2: ssh_connect: needpriv 0 debug1: Connecting to 127.0.0.1 [127.0.0.1] port 22. debug1: Connection established. debug1: identity file /Users/oclovhol/.ssh/id_rsa type -1 debug1: identity file /Users/oclovhol/.ssh/id_rsa-cert type -1 debug1: identity file /Users/oclovhol/.ssh/id_dsa type -1 debug1: identity file /Users/oclovhol/.ssh/id_dsa-cert type -1 ssh_exchange_identification: Connection closed by remote host

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• How to force a host to not send a broadcast for an IP address in its own subnet?

  - by Bruce

  For a LAN, instead of a switch, I have built a topology where each machine is connected to a router. Each host is assigned an IP address from 10/8. Here are the interface details: Lets say I ping 10.16.0.3 from this host. The routing table of 10.16.0.2 has been configured to use the router (10.16.0.1) as the default gateway. But since the destination IP address (10.16.0.3) is in the same subnet it sends out an ARP broadcast. I want to disable this behavior of sending an ARP broadcast and instead force it to use the routing table. How do I accomplish this?

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• Rsyslog mail module not working

  - by Henry-Nicolas Tourneur

  I would like to email snort alerts from my Debian Lenny fw. Syslog is sending log messages from the firewalls to a central rsyslog. On my central rsyslog, I got something like : $ModLoad ommail $ActionMailSMTPServer server.company.local $ActionMailFrom [email protected] $ActionMailTo [email protected] $ActionExecOnlyOnceEveryInterval 1 $template mailSubject,"[SNORT] Alert from %hostname%" $template mailBody,"Snort message\r\nmsg='%msg%'" $ActionMailSubject mailSubject if $msg regexp 'snort[[0-9]]: [[0-9]:[0-9]:[0-9]].*' then ommail:;mailBody But I doesn't get any mails, I even can trigger snort with something like ping -s 1400, it logs things like following but still no mail ! 2010-01-08T09:25:58+00:00 Hostname snort[4429]: [1:499:4] ICMP Large ICMP Packet [Classification: Potentially Bad Traffic] [Priority: 2]: {ICMP} ip_dest - ip_src Any idea ?

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• Configuring a Genius GW-7200 Access Point

  - by alex

  I came across an access point we had a few years ago. I'm now trying to get it set up to work on our network. here are a couple of pictures: http://twitpic.com/194u06/full http://twitpic.com/194u0v/full I have plugged this into our network via the network port on the back. I set up a DHCP reservation, based on the MAC address on the back of the access point, however I cannot ping it, nor access the web interface. I've held down the reset button for 10 seconds, to see if that would do anything. Google doesn't come up with anything on the matter :-(

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• test of ICMP block

  - by Marcos

  In my bash scripts I have been using something like: until fping -u google.com; do echo "$0[$$] Network/DNS down?? $(date)" 1>&2 && sleep $(($RANDOM%(1 + ++trynum * 1) +1)).222; done to test for online connectivity. It halts in place, sleeping growing random intervals, until it can ping google.com again. Problem: At some sites ICMP pings are blocked altogether, and web pages are still reachable. What's a short way to test for this general case? Based on that test I will switch over to an http-based test like the exit status of curl -s google.com >/dev/null if that is a good one.

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• How can I delete virtual networks from command line?

  - by David Cobb

  I have Hyper-V Server 2008 R2 (without GUI) running at my colo for a week. I was connected via RDP and could use the menu interface and command line. I figured out how to connect Hyper-V Manager from my Win7 laptop (THANK YOU HVREMOTE!), and created and installed my VM. I created a virtual network that didn't work (no connectivity from my VM) so I created another using different settings, and now have lost access to the Hyper-V host. No ping, no RDP. Since I don't have console access, I cannot troubleshoot. I believe if I deleted the Virtual Networks I'd regain access, but I need a command line instruction for this, that the staff onsite could enter to accomplish this. I find no help anywhere obvious (MSDN, etc), the keywords are too general. Can anyone refer me to simple steps how to do this over command line or with the menu based interface on the console?

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• Trouble opening my router to my web server [closed]

  - by justin

  Here's the story. I have a webs server created and connected to my router. The website works great when I'm connected to the router, but when I'm off the network I can't access the website. I got the IP for my router by googling "what is my ip." I have opened ports 80 to 10080 to link to the server in the router. THe firewall is off. I can ping the router. One odd thing that I don't understand. When I am in network if I access XXX.XXX.XX.XX:80 I can access the web page no problem. If I access XXX.XXX.XX.XX:81 (or any other port) I get the error "Cannot access server." Any idea what the problem could be? Could it be my ISP?

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• How to Automate .inf PnP Windows 7 Drivers with Wildcard?

  - by Dos_Probie

  I am trying to automate the PnP driver installs for Windows 7 with either of the below batch files via For loop and wildcard for the .inf file. The rundll32 batch reads and echos the correct .inf file but then gives me the "Error Installation failed" and with the pnputil batch it runs without any error put does not install. How can I correct the batch files to install the inf correctly? @echo off&color a&setlocal enabledelayedexpansion cd %~dp0 set PnP=rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 .\*.inf for /f "delims=" %%a in ('dir/b %PnP%') do ( echo == Installing PnP Drivers == "%%a" ::or set PnP=pnputil -i -a "*.inf" for /f "delims=" %%a in ('dir/b %PnP%') do ( echo == Installing PnP Drivers == "%%a" ping -n 3 localhost 1>nul start "" /wait %PnP%\%%a ) cls echo. * DONE * pause exit

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• Innodb : cannot allocate the memory for the buffer pool

  - by mingyeow

  My innodb keeps crashing. This is the error message below. Does anyone know why this keeps happening? InnoDB: by InnoDB 49201616 bytes. Operating system errno: 12 InnoDB: Check if you should increase the swap file or InnoDB: ulimits of your operating system. InnoDB: On FreeBSD check you have compiled the OS with InnoDB: a big enough maximum process size. InnoDB: Note that in most 32-bit computers the process InnoDB: memory space is limited to 2 GB or 4 GB. InnoDB: We keep retrying the allocation for 60 seconds... 0 processes alive and '/usr/bin/mysqladmin --defaults-file=/etc/mysql/debian.cnf ping' resulted in /usr/bin/mysqladmin: connect to server at 'localhost' failed error: 'Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)' Check that mysqld is running and that the socket: '/var/run/mysqld/mysqld.sock' exists! InnoDB: Fatal error: cannot allocate the memory for the buffer pool [ERROR] Default storage engine (InnoDB) is not available

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• WEP key not working on laptop running Ubuntu

  - by stupid-idiot

  I can't connect to my router via wifi from my laptop (running Ubuntu) even if I'm 100% sure the WEP key I punch in is correct. It works via LAN though. I'm also not able to ping localhost 127.0.0.1. I had some problems setting up the radio on my network card but I think that that works since it finds some wireless networks. (Although it's much much faster than Windows it's useless since I can't download any libraries for development.) What could be wrong with my setup?

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• Vmware sphere setting up external network

  - by Tom Beech

  I've just setup vmware vsphere 5 on a remote server (rented dedicated server). I've added my first VPS (centos 5.8) barebones. It's not finding any IP (internal or external) on boot. I've had an extra external IP assigned to my server that I wanted to use on the VPS. I tried editing the eth0 config and adding the IP in there and turning off the DHCP, but it can't find any IP or ping google or do any networking type things. How do I route the IP to my VPS so I can access it remotely?

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• Network Configuration

  - by Dario

  Hello, This is my situation: Router A: IP 192.168.1.1 Mask 192.168.1.0/24 - Connected to the internet. Server: - Interface eth0: inet addr:10.1.1.125 Mask:255.255.255.0 (connected to router B) - Interface ra0: inet addr:192.168.1.125 Mask:255.255.255.0 (connected to router A) Router B: IP 10.1.1.254 Mask 10.1.1.0/24 - Connected to Server's eth0 Computer: connected to Router B via WiFi connection. I configured a static route on Router B that use as default gateway 192.168.1.125 and i can ping that ip from computer. The problem is: how i can connect to the internet ? In other words, traffic coming from Server eth0 should use ra0 as gateway. Any suggestion ? Thank you

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• google.com different IP in different countries. How?

  - by HeavyWave

  If you ping google.com from different countries you will get replies from local google servers. How does that work? Can a DNS record have multiple A addresses? Could someone point me to the technology they use to do that? Update. OK, so Google's DNS server gives out a different IP based on the location. But, as Alexandre Jasmin pointed out, how do they track the location? Surely their DNS won't ever see your IP address. Is the server querying Google's DNS guaranteed to be from the location it represents?

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• DNS error only in IE

  - by Le_Quack

  Our Intranet page has stopped working on some machines/some user accounts. The error I am getting points to a DNS issue but If I ping the site from the command line the it responds fine. The error I'm gettting on IE is Error: The web filter could not find the address for the requested site Why are you seeing this: The system is unable too determine the IP address of intranet.example.com I'm not quite sure why it mentions the web filter as there is a proxy exception for the intranet page and if I run a trace route it doesn't go via the web proxy (filtering system). Finally it isn't affecting everyone, just random users, also it doesn't affect the random users on all the client machines they use. I have one user where it happens on any client they log onto where most its just certian clients. It's even "fixed" itself for a few peoples. EDIT: hey Mikey thanks for the fast response. Proxies are correct and automatic configuration is off (both via GPO)

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• NIS client cannot find NIS server (Opensuse)

  - by Tony

  I installed NIS server on head node of a virtual cluster(VirtualBox). One of the node (let's say node-1) can find NIS server and work with it, but another node (node-2) just can't find the NIS server in Yast while it can ping and ssh to both head node and node-1. BTW, all the nodes are VMs, head node and node-1 are on the same physical machine, node-2 is on another physical machine. I set the domain name in /etc/hosts and /etc/yp.conf, and ypwhich sometimes gives the correct domainname several minutes later complains about "ypwhich: Can't communicate with ypbind", and will back to work after some time. Also tried rpcinfo -p hostname and it worked as expected. I almost tried every thing I can find on internet, but seems that not many people had this problem. Any help would be very appreciated.

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• Single-port 2600 router with 2900XL switch

  - by Slava Maslennikov

  I have a setup, where the single port 2600 router is in port 0/2 in the switch, outside network is on port 0/1, and the rest (0/3-0/24) should be clients for the second network that would be managed by the 2600 router. I configured everything with two VLANs: 100 for outside (0/2-0/24), 200 for inside (0/1-0/2). 0/2 is a trunk port for the two VLANs. The issue that came about is that I can't have two VLANs on at once: software doesn't allow it. Now, I can ping the outside network devices (172.16.7.1, 172.16.7.103), and even google (8.8.8.8) from the router, but not the switch. Devices on connected get a DHCP lease properly but can't ping outside the network, just the router - 172.17.7.1 and the switch itself, 172.17.7.7. The configuration for both the router and the switch are here, as well as below. Router: rt.throom#sho run Building configuration... Current configuration : 1015 bytes ! version 12.1 no service single-slot-reload-enable service timestamps debug uptime service timestamps log uptime no service password-encryption ! hostname rt.throom ! enable password To053cret ! ! ! ! ! no ip subnet-zero ip dhcp excluded-address 172.17.7.1 172.17.7.2 ip dhcp excluded-address 172.17.7.3 172.17.7.4 ip dhcp excluded-address 172.17.7.5 ! ip dhcp pool VLAN200 network 172.17.7.0 255.255.255.0 default-router 172.17.7.1 dns-server 8.8.8.8 ! ip audit notify log ip audit po max-events 100 ! ! ! ! ! ! ! interface Ethernet0/0 no ip address ! interface Ethernet0/0.100 encapsulation dot1Q 100 ip address 172.16.7.15 255.255.255.0 ip nat outside ! interface Ethernet0/0.200 encapsulation dot1Q 200 ip address 172.17.7.1 255.255.255.0 ip nat inside ! router eigrp 20 network 172.16.0.0 network 172.17.0.0 no auto-summary no eigrp log-neighbor-changes ! no ip classless no ip http server ! access-list 1 permit 172.17.7.0 0.0.0.255 ! ! line con 0 line aux 0 line vty 0 4 login ! end Switch: sw.throom#sho run Building configuration... Current configuration: ! version 11.2 no service pad no service udp-small-servers no service tcp-small-servers ! hostname sw.throom ! enable password Oh5053cret ! ! no spanning-tree vlan 100 no spanning-tree vlan 200 ip subnet-zero ! ! interface VLAN1 no ip address no ip route-cache ! interface FastEthernet0/1 switchport access vlan 100 spanning-tree portfast ! interface FastEthernet0/2 switchport trunk encapsulation dot1q switchport mode trunk ! interface FastEthernet0/3 switchport access vlan 200 spanning-tree portfast ! interface FastEthernet0/4 switchport access vlan 200 spanning-tree portfast ! interface FastEthernet0/5 switchport access vlan 200 spanning-tree portfast ! interface FastEthernet0/6 switchport access vlan 200 spanning-tree portfast ! interface FastEthernet0/7 switchport access vlan 200 spanning-tree portfast ! interface FastEthernet0/8 switchport access vlan 200 spanning-tree portfast ! interface FastEthernet0/9 switchport access vlan 200 spanning-tree portfast ! interface FastEthernet0/10 switchport access vlan 200 spanning-tree portfast ! interface FastEthernet0/11 switchport access vlan 200 spanning-tree portfast ! interface FastEthernet0/12 switchport access vlan 200 spanning-tree portfast ! interface FastEthernet0/13 switchport access vlan 200 spanning-tree portfast ! interface FastEthernet0/14 switchport access vlan 200 spanning-tree portfast ! interface FastEthernet0/15 switchport access vlan 200 spanning-tree portfast ! interface FastEthernet0/16 switchport access vlan 200 spanning-tree portfast ! interface FastEthernet0/17 switchport access vlan 200 spanning-tree portfast ! interface FastEthernet0/18 switchport access vlan 200 spanning-tree portfast ! interface FastEthernet0/19 switchport access vlan 200 spanning-tree portfast ! interface FastEthernet0/20 switchport access vlan 200 spanning-tree portfast ! interface FastEthernet0/21 switchport access vlan 200 spanning-tree portfast ! interface FastEthernet0/22 switchport access vlan 200 spanning-tree portfast ! interface FastEthernet0/23 switchport access vlan 200 spanning-tree portfast ! interface FastEthernet0/24 switchport access vlan 200 spanning-tree portfast ! ! line con 0 stopbits 1 line vty 0 4 login line vty 5 9 login ! end sho ip route gives: Gateway of last resort is 172.16.7.1 to network 0.0.0.0 172.17.0.0/24 is subnetted, 1 subnets C 172.17.7.0 is directly connected, Ethernet0/0.200 172.16.0.0/24 is subnetted, 1 subnets C 172.16.7.0 is directly connected, Ethernet0/0.100 S* 0.0.0.0/0 [1/0] via 172.16.7.1

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• Internet wireless connected with limited access, windows vista

  - by r0ca

  I had some malware in my computer so I did a bit of manual work to remove it including resetting TCP/IP. Now the malware is gone. I can see my home wireless network and I can get connected to it but when connected I get the Internet wireless connected with limited access message. When I go to the IE I cannot browse. When I tried to ping 192.168.1.1 I got an Error Code 1231 Unconnected Network Problem. I have deactivated my Windows firewall as I thought it could be hyperactive security. Still no luck. I have Norton but it is not active, I have also Avast and AVG installed but they are not active. Any ideas?

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• HowTo access Samba Share over VPN Tunnel?

  - by Jeff

  I don't know how to access a Samba share running on a Ubuntu 10.04 server through OpenVPN 2.1.0. I've installed & configured OpenVPN and everything works. The server end of the tunnel has the IP of 10.8.0.1. When I connect from XP (over our local network) I'm given the IP of 10.8.0.6. I can ping and trace route from both ends of the tunnel. Now, I'm lost...how to access the Samba share from XP and from OS X?

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• Setting up a static IP address (public) in Ubuntu

  - by ycseattle

  I have a business class internet connection and need to setup a static ip address for a machine. I did a search online and only find how to setup static local ip addresses (like 192.168..). I tried the same technique, and only setup the ip address and netmask, but after restart networking the computer could not connect to the outside world. This is what I did: 1) edit /etc/network/interfaces iface eth0 inet static address 173.10.xxx.xx netmask 255.255.255.252 2) edit /etc/resolv.conf search wp.comcast.net nameserver xx.xx.xx.xxx nameserver xx.xx.xx.xxx 3) restart network sudo /etc/init.d/networking restart Now the last step didn't report error, ifconfig shows the ip address was set, but this server cannot connect to outside world, ping google.com and reports "unknown host google.com". Any ideas?

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• Testing Tomcat with Virtual Hosts

  - by Marty Pitt

  I'm trying to test Tomcat virtual hosts on my dev machine (windows 7/Tomcat 6). I'd like to have requests for localhost, test1.localhost and test2.localhost all route through to the same tomcat instance. I've edited my hosts file to look as follows: 127.0.0.1 localhost ::1 localhost 127.0.0.1 test1.localhost 127.0.0.1 test2.localhost And added modified the Engine in server.xml as follows: <Engine defaultHost="localhost" name="Catalina"> <Realm className="org.apache.catalina.realm.UserDatabaseRealm" resourceName="UserDatabase" /> <Host appBase="webapps" autoDeploy="true" name="localhost" unpackWARs="true" xmlNamespaceAware="false" xmlValidation="false"> <Alias>test1.localhost</Alias> <Alias>test2.localhost</Alias> </Host> </Engine> However, I'm getting a 404 when hitting test1.localhost:8080/myWebApp, although localhost:8080/myWebApp works fine. I can ping test1.localhost fine. What have I missed?

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