If your interface has no IP, you can't communicate out to anywhere, and we are back to the conversation about starting and enabling your network service. On Feb 3, 2015 11:45 PM, "Michael Torres" wrote: > thats the point.... I dont have an IP address...there is nothing that I > put to scan it. My NIC was allowing it when I was at Starbucks.. That is > why I think its my router, as such isnt the router that assigns IP address > to the network when using DHCP? > > On Tue, Feb 3, 2015 at 11:39 PM, Kevin Fries wrote: > >> Ok, down to two possibilities. >> >> Nmap is a scanner. It is trying to identify your VM and probe for open >> ports. >> >> When you scanned by name... it did not understand that name. Your router >> is external to all of this, and should not be involved at all. >> >> Try nmap by IP address. >> >> If that still results in nothing, add a virtual network via VMware or >> VBox. Next add a new virtual network adapter to your VM, and connect it to >> the new network. This should be a private network between host and >> client. Config your interface in the VM. This will resolve your problem. >> In this case, your NIC is not allowing traffic to go out, then back in to >> itself. The traffic is almost certainly not going to your router then back. >> >> HTH >> Kevin >> On Feb 3, 2015 10:41 PM, "Michael Torres" wrote: >> >>> netstat -plant >>> >>> liastening on ports 25 and 22 both for IPv4 nad IPv6 >>> >>> Result from the nmap(windows version) >>> Starting Nmap 6.47 ( http://nmap.org ) at 2015-02-03 22:36 US Mountain >>> Standard Time >>> >>> NSE: Loaded 118 scripts for scanning. >>> >>> NSE: Script Pre-scanning. >>> >>> NSE: Script Post-scanning. >>> >>> Read data files from: C:\Program Files (x86)\Nmap >>> >>> Nmap done: 0 IP addresses (0 hosts up) scanned in 4.20 seconds >>> >>> Raw packets sent: 0 (0B) | Rcvd: 0 (0B) >>> >>> Failed to resolve "devserver". >>> >>> WARNING: No targets were specified, so 0 hosts scanned. >>> >>> I would ahave asusmed the the above results as the dhcp server is not >>> generating a IPv4 address >>> >>> >>> so... >>> >>> 1) The netstat does not show the binding to port 21... this means SSHD >>> did not start. >>> >>> I am guessing port 22 is OK >>> >>> 2) netstat shows SSHD, but the firewall is not allowing it. Open the >>> firewall >>> >>> Firewall is already disabled >>> >>> 3) netstat shows SSHD, the firewall is open, but you still don't see >>> the port open via nmap. >>> >>> 3a) if you see other ports open, I would look at the Windows firewall >>> >>> Windows firewall allowed it on a Public network (startbuck), so why not >>> allow it at my home >>> >>> 3b) If you don't see any ports open, you have two options here. >>> >>> 3b1) Make sure your NIC (from the Windows side) is in promiscuous >>> mode. >>> >>> dont know how to do that. >>> >>> 3b2) If it is already in promiscuous mode, then this may not work >>> in this configuration. In this case, try adding a private network on a >>> second NIC, and communicate with the VM over that. >>> Ill try to connect to my ethernet adpater and see if that is it, maybe >>> its my wireless adapter.... >>> >>> Mike >>> >>> >>> On Tue, Feb 3, 2015 at 10:22 PM, Kevin Fries >>> wrote: >>> >>>> Ok, sorry, I misunderstood. >>>> >>>> Nmap could be your friend here. Install it on your Windows machine. >>>> It will install the graphical tool automatically in Windows. Point this at >>>> your VM, and do a "intense scan" >>>> >>>> Next, on the Linux VM, do a >>>> # netstat -plant >>>> >>>> Zenmap/Nmap will tell you what ports it can see open from its side of >>>> the link. The netstat command will tell you which ports are opened by >>>> running software. >>>> >>>> Lastly, on the Linux VM, do a >>>> # ip tables -L >>>> >>>> This will tell you which ports the firewall will allow. >>>> >>>> Now, you have a few possibilities: >>>> >>>> 1) The netstat does not show the binding to port 21... this means >>>> SSHD did not start. >>>> >>>> 2) netstat shows SSHD, but the firewall is not allowing it. Open the >>>> firewall >>>> >>>> 3) netstat shows SSHD, the firewall is open, but you still don't see >>>> the port open via nmap. >>>> >>>> 3a) if you see other ports open, I would look at the Windows >>>> firewall >>>> >>>> 3b) If you don't see any ports open, you have two options here. >>>> >>>> 3b1) Make sure your NIC (from the Windows side) is in >>>> promiscuous mode. >>>> >>>> 3b2) If it is already in promiscuous mode, then this may not >>>> work in this configuration. In this case, try adding a private network on >>>> a second NIC, and communicate with the VM over that. >>>> >>>> Let me how it goes. >>>> >>>> Kevin >>>> On Feb 3, 2015 9:58 PM, "Michael Torres" wrote: >>>> >>>>> Well, no, I didnt issue any commands other than >>>>> /path/to/network/script/network start /path/to/network/script/network stop >>>>> and the commands to disable firewall/SELINUX >>>>> >>>>> I know I didnt use any systemctrl commands., but I tried to run the >>>>> commands that you just provided and nothing happened. I should probably >>>>> say that I know that IPv6 is enalbed and have network connection to the net >>>>> work and I can ping yahoo.com etc..... I just cant SSH(putty) to the >>>>> server. >>>>> >>>>> This all leads me to beleive that there is a configuration in my >>>>> router that is not allowing me to get a IPv4 address. Does the default >>>>> gateway have to be a certain number? I have manually configured that IP on >>>>> my router a long time ago, but even then I had Bridged networking working >>>>> correctly. >>>>> >>>>> Mike >>>>> >>>>> >>>>> >>>>> On Tue, Feb 3, 2015 at 9:48 PM, Kevin Fries >>>>> wrote: >>>>> >>>>>> Your network is probably not getting started. The enp0p3 is the name >>>>>> of an interface started almost definantly by systemd, not the old RHEL >>>>>> way. This is likely why the networking-scripts didn't work. >>>>>> >>>>>> When you were at Starbucks, you likely did a systemctl start on the >>>>>> interface. Look in your history for it. If you find it, issue the same >>>>>> command again. If your interface comes up correctly, reissue the command >>>>>> once again, substituting enable for start. This second command is similar >>>>>> to a chkconfig command. >>>>>> >>>>>> Let me know how that works. >>>>>> >>>>>> Kevin >>>>>> On Feb 3, 2015 9:13 PM, "Michael Torres" >>>>>> wrote: >>>>>> >>>>>>> The result of that command is: >>>>>>> >>>>>>> 0 loaded units listed >>>>>>> >>>>>>> >>>>>>> So I ran a what it suggested: systemctl list-unit-files >>>>>>> majority of everything says "static" but some are "enabled" or >>>>>>> "disabled" >>>>>>> >>>>>>> again, because I cannot copy or capture a screen shot, is there a >>>>>>> specific list item that you need to see?" >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> On Tue, Feb 3, 2015 at 8:44 PM, Kevin Fries >>>>>>> wrote: >>>>>>> >>>>>>>> Do a >>>>>>>> >>>>>>>> # systemctl --failed >>>>>>>> >>>>>>>> And post the results >>>>>>>> >>>>>>>> Kevin >>>>>>>> On Feb 3, 2015 8:37 PM, "Michael Torres" >>>>>>>> wrote: >>>>>>>> >>>>>>>>> Arrghh....yes its configured. But I am having an issue getting >>>>>>>>> the cat /etc/sysconfig/network-script/ifcfg-enp0s3..........because I cant >>>>>>>>> connect, I cant ssh in to use outty so I can copy using my mouse. I tried >>>>>>>>> taking a screen shot, but VBox for some reason wont display on on the >>>>>>>>> "print screen"command. >>>>>>>>> >>>>>>>>> is there a particular setting you are looking for? again, the >>>>>>>>> file is configured and it is reading it. >>>>>>>>> >>>>>>>>> Mike >>>>>>>>> >>>>>>>>> On Tue, Feb 3, 2015 at 8:15 PM, Stephen M >>>>>>>>> wrote: >>>>>>>>> >>>>>>>>>> I don't remember if this is a problem in centos 7 as it was in >>>>>>>>>> 6. But check to make sure the eth0 is configured. But yes a print out of >>>>>>>>>> ifconfig inside vox would be great. >>>>>>>>>> On Feb 3, 2015 8:07 PM, "Michael Torres" >>>>>>>>>> wrote: >>>>>>>>>> >>>>>>>>>>> Hello all, >>>>>>>>>>> >>>>>>>>>>> I have an problem that I cannot seem to figure out..... >>>>>>>>>>> >>>>>>>>>>> I am trying to use "Bridged" networking in Virtual Box to a >>>>>>>>>>> CentOS 7 minimum install distro that I want to use for my development >>>>>>>>>>> server. >>>>>>>>>>> >>>>>>>>>>> I have used Bridged networking in the past and never had any >>>>>>>>>>> issues but that was with older versions of CentOS >>>>>>>>>>> >>>>>>>>>>> The issue.... DHCP will not assign a IPv4 address to the server. >>>>>>>>>>> >>>>>>>>>>> Here is the weird part... I was at startbucks and actually got >>>>>>>>>>> it to work! (Please, hold the "Just use it at starbucks then" comments..I >>>>>>>>>>> know....) >>>>>>>>>>> >>>>>>>>>>> Here is the process I used... >>>>>>>>>>> >>>>>>>>>>> -Installed a fresh CentOS 7 on VBox >>>>>>>>>>> -While on NAT, I performed "yum update" so my server was fresh >>>>>>>>>>> with the latest >>>>>>>>>>> -Disabled SELinux >>>>>>>>>>> -Disabled the Firewall >>>>>>>>>>> -Shut down server to reconfigure the adapter to "Bridged" >>>>>>>>>>> -used adapter type of "Intel Pro 1000 MT Desktop (82540EM)" >>>>>>>>>>> -set it to "Promiscuous Mode" >>>>>>>>>>> -restart the server >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> Again, at Starbucks it assigned a IP address, so this leads me >>>>>>>>>>> to believe that the issue is with a configuration on my router. >>>>>>>>>>> >>>>>>>>>>> I am not very good at networking, so any help would be >>>>>>>>>>> appreciated. >>>>>>>>>>> >>>>>>>>>>> If you need error messages or other output, let me know (and >>>>>>>>>>> possibly the command as I don't know networking that well other than >>>>>>>>>>> "ifconfig") >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> Mike >>>>>>>>>>> >>>>>>>>>>> --------------------------------------------------- >>>>>>>>>>> PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org >>>>>>>>>>> To subscribe, unsubscribe, or to change your mail settings: >>>>>>>>>>> http://lists.phxlinux.org/mailman/listinfo/plug-discuss >>>>>>>>>>> >>>>>>>>>> >>>>>>>>>> --------------------------------------------------- >>>>>>>>>> PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org >>>>>>>>>> To subscribe, unsubscribe, or to change your mail settings: >>>>>>>>>> http://lists.phxlinux.org/mailman/listinfo/plug-discuss >>>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> --------------------------------------------------- >>>>>>>>> PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org >>>>>>>>> To subscribe, unsubscribe, or to change your mail settings: >>>>>>>>> http://lists.phxlinux.org/mailman/listinfo/plug-discuss >>>>>>>>> >>>>>>>> >>>>>>>> --------------------------------------------------- >>>>>>>> PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org >>>>>>>> To subscribe, unsubscribe, or to change your mail settings: >>>>>>>> http://lists.phxlinux.org/mailman/listinfo/plug-discuss >>>>>>>> >>>>>>> >>>>>>> >>>>>>> --------------------------------------------------- >>>>>>> PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org >>>>>>> To subscribe, unsubscribe, or to change your mail settings: >>>>>>> http://lists.phxlinux.org/mailman/listinfo/plug-discuss >>>>>>> >>>>>> >>>>>> --------------------------------------------------- >>>>>> PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org >>>>>> To subscribe, unsubscribe, or to change your mail settings: >>>>>> http://lists.phxlinux.org/mailman/listinfo/plug-discuss >>>>>> >>>>> >>>>> >>>>> --------------------------------------------------- >>>>> PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org >>>>> To subscribe, unsubscribe, or to change your mail settings: >>>>> http://lists.phxlinux.org/mailman/listinfo/plug-discuss >>>>> >>>> >>>> --------------------------------------------------- >>>> PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org >>>> To subscribe, unsubscribe, or to change your mail settings: >>>> http://lists.phxlinux.org/mailman/listinfo/plug-discuss >>>> >>> >>> >>> --------------------------------------------------- >>> PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org >>> To subscribe, unsubscribe, or to change your mail settings: >>> http://lists.phxlinux.org/mailman/listinfo/plug-discuss >>> >> >> --------------------------------------------------- >> PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org >> To subscribe, unsubscribe, or to change your mail settings: >> http://lists.phxlinux.org/mailman/listinfo/plug-discuss >> > > > --------------------------------------------------- > PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org > To subscribe, unsubscribe, or to change your mail settings: > http://lists.phxlinux.org/mailman/listinfo/plug-discuss >