OK, when I start/stop the network service, I use the following command.... [root@devserver]# /etc/init.d/network stop Stopping network (via systemctrl) [root@devserver]# /etc/init.d/network start Starting network (via systemctrl) Then I run the commands that you gave earlier after starting fails... This is the result.. network.service loaded failed failed LSB: Bring up/down networking On Tue, Feb 3, 2015 at 11:47 PM, Kevin Fries wrote: > 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 >> > > --------------------------------------------------- > 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 >