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• LXC container can only access host via bridge

  - by vitaut

  I have an LXC container with i686 Ubuntu 12.04 running on a x86_64 Ubuntu 12.04 host. I've set up a bridge using instructions here. However the ping from the container only goes through to the host and not to other machines on the local network. Similarly only the host and not the other machines see the container OS. The host's /etc/network/interfaces file looks as follows: auto lo iface lo inet loopback iface eth0 inet manual auto br0 iface br0 inet dhcp bridge_ports eth0 bridge_fd 0 bridge_maxwait 0 The container's /etc/network/interfaces file looks as follows: auto lo iface lo inet loopback auto eth0 iface eth0 inet dhcp And here's the relevant part of the container's config: lxc.network.type=veth lxc.network.link=br0 lxc.network.flags=up Any ideas what I'm doing wrong? Additional info: The output of iptables-save on host: $ sudo iptables-save # Generated by iptables-save v1.4.12 on Sat Oct 26 06:06:48 2013 *filter :INPUT ACCEPT [6854:721708] :FORWARD ACCEPT [4067:538895] :OUTPUT ACCEPT [4967:522405] COMMIT # Completed on Sat Oct 26 06:06:48 2013 # Generated by iptables-save v1.4.12 on Sat Oct 26 06:06:48 2013 *nat :PREROUTING ACCEPT [82235:21547307] :INPUT ACCEPT [16:1070] :OUTPUT ACCEPT [9386:583359] :POSTROUTING ACCEPT [14693:1291952] -A POSTROUTING -s 10.0.3.0/24 ! -d 10.0.3.0/24 -j MASQUERADE COMMIT # Completed on Sat Oct 26 06:06:48 2013 The output of brctl show on host: $ brctl show bridge name bridge id STP enabled interfaces br0 8000.080027409684 no eth0 vethBkwWyV The output of ifconfig br0 on host: $ ifconfig br0 br0 Link encap:Ethernet HWaddr 08:00:27:40:96:84 inet addr:192.168.1.11 Bcast:192.168.1.255 Mask:255.255.255.0 inet6 addr: fe80::a00:27ff:fe40:9684/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:232863 errors:0 dropped:0 overruns:0 frame:0 TX packets:59518 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:34437354 (34.4 MB) TX bytes:198492871 (198.4 MB) The output of ifconfig eth0 on host: $ ifconfig eth0 eth0 Link encap:Ethernet HWaddr 08:00:27:40:96:84 inet6 addr: fe80::a00:27ff:fe40:9684/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:299419 errors:0 dropped:0 overruns:0 frame:0 TX packets:203569 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:59077446 (59.0 MB) TX bytes:372056540 (372.0 MB) The output of ifconfig eth0 on container: $ ifconfig eth0 eth0 Link encap:Ethernet HWaddr 00:16:3e:74:08:2b inet addr:192.168.1.12 Bcast:192.168.1.255 Mask:255.255.255.0 inet6 addr: fe80::216:3eff:fe74:82b/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:81 errors:0 dropped:0 overruns:0 frame:0 TX packets:113 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:8506 (8.5 KB) TX bytes:9021 (9.0 KB)

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• Is it generally a bad idea to have other types of virtual appliances installed along side a firewall

  - by MGSoto

  I want to run my Firewall/NAT software (pfsense) and an internal NAS (looking at freenas right now) for my SOHO on one machine. Right now I have them separated on two different machines, but I'd like to consolidate them. Is this generally a bad idea? I see the security concern where if the firewall or host OS is compromised, then your data is essentially screwed. But is it really a concern for me?

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• Windows 7 - Group Policy - Allow RDP Credentials to be Saved

  - by barfoon

  Hey everyone, Im trying to use RDP and save my credentials in a file so I dont have to entire it each time I connect. I remember doing it before and it involved changing a group policy setting. What exactly do I need to change in Group Policy within Windows 7 in the host & client machines to accomplish this? Thanks,

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• Windows 7 - Group Policy - Allow RDP Credentials to be Saved

  - by barfoon

  Hey everyone, Im trying to use RDP and save my credentials in a file so I dont have to entire it each time I connect. I remember doing it before and it involved changing a group policy setting. What exactly do I need to change in Group Policy within Windows 7 in the host & client machines to accomplish this? Thanks,

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• Installation of fedora 10 from install DVD, but with no monitor

  - by Don

  Hi all, I have an oldish box running fedora 2. I want to do a fresh install with fedora 10, but I do not have a screen/monitor for it (all my other machines are laptops). To save buying a monitor, does anyone have any idea how I can install with no screen? Thanks, Don.

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• Forefront 2010 as my firewall solution, suitable?

  - by blade

  Hi, I need to lock down my Windows Server. Is Forefront 2010 ideal for my circumstances? These are: -I am the single user of my server -I RDP from other machines (eg the laptop). -I currently have no solution/using windows firewall (how good is this?). Thanks

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• Cisco870, multiple VPN connection, same originating IP, possible?

  - by Dan

  I have 2 users that need VPN into the office from the same originating IP. They are not able to connect simultaneously though. Is this a limitation of the Cisco box, or of the Linksys router on site there? EDIT: Source machines are both using Cisco VPN Client, V5

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• Windows 7 - wireless connection sharing

  - by Chris Ballance

  I am trying to share my mobile broadband internet connection with other machines via wifi and am running windows 7. Users are able to connect to my machine, but not able to obtain an internet connection once they connect to me. Any ideas would be very helpful. Does Windows firewall block this?

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• Can Windows Virtual PC run a 64-bit OS?

  - by Dennis Palmer

  I'm running Windows Virtual PC (RC) on a Windows 7 (RTM) 64-bit host. When I create a new virtual machine an try to install 64-bit Windows 7 on that VM, I get "this CPU is not compatible with 64-bit mode." Is there a way to create 64-bit virtual machines?

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• WinXP 64bit cannot see files on dfs

  - by Kvad

  Hi, I have Server1 Win2008 Storage Server Running DFS Access-based enumeration - off Offline settings - disabled Workstation1 WinXP SP3 32bit Workstation2 WinXP SP2 64bit I have a shared folder on Server1 on the DFS share. Workstation1 can see all files and folders. Workstation2 does not. I have tested with multiple WinXP 64bit PCs and the same files across these machines do not show up. Going directly to the files via the address bar works.

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• Convert KVM virtual machine to LXC container

  - by linkdd

  I have 2 virtual machines (with Debian, using KVM) with virtual hard drives: /srv/kvm/ssh.img /srv/kvm/www.img Both have 3 partitions (/, /home, swap). I want to convert them in a RootFS usable with LXC (in order to use LXC instead of KVM). The only solution I have for the moment is: create a new RootFS copy /home partition into it reproduce the same configuration into it But is there an automated way to do it

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• How do I create a Ghost Boot CD?

  - by Webs

  For a previous job, my boss wanted to keep using Ghost and didn't want to switch to Clonezilla (which I recommend) but wanted a way to Ghost all machines and even future ones from one disk or CD. So I need a Ghose Boot CD that not only clones all systems we have, but would be editable for future systems.

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• recommendations for efficient offsite remote backup solution of vm's

  - by senorsmile

  I am looking for recommendations for backing up my current 6 vm's(and soon to grow to up to 20). Currently I am running a two node proxmox cluster(which is a debian base using kvm for virtualization with a custom web front end to administer). I have two nearly identical boxes with amd phenom II x4's and asus motherboards. Each has 4 500 GB sata2 hdd's, 1 for the os and other data for the proxmox install, and 3 using mdadm+drbd+lvm to share the 1.5 TB's of storage between the two machines. I mount lvm images to kvm for all of the virtual machines. I currently have the ability to do live transfer from one machine to the other, typically within seconds(it takes about 2 minutes on the largest vm running win2008 with m$ sql server). I am using proxmox's built-in vzdump utility to take snapshots of the vm's and store those on an external harddrive on the network. I then have jungledisk service (using rackspace) to sync the vzdump folder for remote offsite backup. This is all fine and dandy, but it's not very scalable. For one, the backups themselves can take up to a few hours every night. With jungledisk's block level incremental transfers, the sync only transfers a small portion of the data offsite, but that still takes at least a half an hour. The much better solution would of course be something that allows me to instantly take the difference of two time points (say what was written from 6am to 7am), zip it, then send that difference file to the backup server which would instantly transfer to the remote storage on rackspace. I have looked a little into zfs and it's ability to do send/receive. That coupled with a pipe of the data in bzip or something would seem perfect. However, it seems that implementing a nexenta server with zfs would essentially require at least one or two more dedicated storage servers to serve iSCSI block volumes (via zvol's???) to the proxmox servers. I would prefer to keep the setup as minimal as possible (i.e. NOT having separate storage servers) if at all possible. I have also briefly read about zumastor. It looks like it could also do what I want, but it appears to have halted development in 2008. So, zfs, zumastor or other?

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• Location of truetype fonts

  - by StackedCrooked

  I would like to create a small script that installs a few truetype fonts on the user's system. On my Ubuntu machine the truetype fonts are located at /usr/share/fonts/truetype. However, I'm not sure if this location is the same on all machines. Is there a way to find out where truetypes fonts are stored on any Linux system?

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• How do I prevent mail from my Exchange server from being blocked?

  - by Mike C

  Recently one of our client machines was infected with a virus and I believe was spamming addresses in the user's contact list. Since then our server has been appearing on blacklists and it has been causing our e-mail to be blocked and returned by many clients. The virus has since been cleared, what can I do to get our server off these blacklists so that we will have more reliable e-mail service? Will I have to change my IP address? Thanks, Mike

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• Set Outlook stationery via Powershell

  - by Ben

  I want to set Outlook stationery to a particular template on all the machines on my network using Powershell (through a login script). Can someone point me in the right direction? Thanks, Ben

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• NLB Accessed Denied from second server

  - by Igor K

  Hello Have NLB set up and working. Just two servers, web1 and web2. I set up NLB on web1 and can view both machines as Converged. (I had to specify a login/pass to connect to web2). On web2, looking at the NLB Manager, it only shows web2 and says in the log "Accessed Denied. Error connecting to web1". Any ideas how to fix?

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• Getting syntax highlighting in shell and emacs via Terminal.app on mac os x

  - by user248237

  How could I enable syntax highlighting on the shell and in emacs when I use Terminal.app on Mac OS X to ssh into other machines? Right now if I ssh and do an "ls" for example, directories are not shown in a different color from flat files, for example, and I'd like to fix that. thanks.

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• how to redirect http request to another internal machine based on URL

  - by Ali Shafai

  I have a windows 2008 server at home (on a vmware server) along with other virtual machines, I want to open port 80 in my firewall, but I want to redirect the request to the correct vm. for example if the request is http://myserver/SVN I want it to go to my svn vm, if it's for http://myserver/Blog I want to go to another vm. what's the best approach?

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• Software or testing pipeline for testing multiple hard drives

  - by lions_leash

  I have a whole bunch of hard drives (maybe 10 or so) from a variety of sources that I'd like to test. If they work, I will put them in use and/or give them away. I was going to simply open up one of my machines and plug each one in, one at a time, and troubleshoot from there. Is there a way (or set of tools) that I can use to make this process easier and/or faster?

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• PHPMyAdmin works with https Only (not http)

  - by 01010011

  Hi I've been having a problem getting phpmyadmin to work consistently on my XP desktop and laptop computers for months now. When I type into Chrome's browser on both machines, localhost/phpmyadmin, I kept getting Error #1045 Access Denied for user at root@localhost (using password yes). Eventually, I realized that I had two (2) versions of mysql installed (XAMPP and MySQL Server 5.1) on both machines. So I uninstalled the MySQL Server 5.1I from the desktop and phpmyadmin worked. But when I uninstalled MySQL Server 5.1 from my laptop, it did not work. But I realized I could still get into MySQL Commandline Client using my password and that my databases were still intact. So I uninstalled and reinstalled XAMPP on the laptop and phpmyadmin worked after that. Now I have a new problem. On phpMyAdmin's home page has a message at the bottom: Your configuration file contains settings (root with no password) that correspond to the default MySQL privileged account. Your MySQL server is running with this default, is open to intrusion, and you really should fix this security hole by setting a password for user 'root'. So I located the following lines in config.inc.php file: /* Authentication type and info */ $cfg['Servers'][$i]['auth_type'] = 'config'; $cfg['Servers'][$i]['user'] = 'root'; $cfg['Servers'][$i]['password'] = ''; $cfg['Servers'][$i]['AllowNoPassword'] = true; and I just changed the last 2 lines as follows: $cfg['Servers'][$i]['password'] = 'mypassword'; $cfg['Servers'][$i]['AllowNoPassword'] = false; As soon as I did that and I tried to access phpmyadmin again, I got the Error #1045 message again, but when I tried https://localhost/phpmyadmin/ I got a red page saying this sites certificate is not trusted would you like to proceed anyway. And now it only works using https. I would really like to settle all my phpmyadmin problems once and for all so here are my questions: 1. Why does my laptop only access phpmyadmin via https? 2. How do I change my password in my configuration file? Also, if you have any other tips regarding phpMyAdmin, they are very welcome. Thanks in advance

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• Script or Batch File to Automate Logon from Welcome Screen

  - by Guy Thomas

  Is there a script or batch file to automate the log-on process from the XP Welcome screen? As all details are the same Username, Password, and Domain in a room of 30 machines. The reason I don't use Windows AutoAdminLogon is I only want to logon temporary at different times as a user to run such things as online test for a class of high school students without the students logging on individually first, also it would be useful for admin tasks if I can change/specify the user details.

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• How can I use my laptop's monitor as my PC's monitor?

  - by Randell

  My PC's monitor just died and I'm not looking at buying a new monitor anytime soon. So I'm thinking of using my laptop's monitor for it. Both machines are running on Fedora linux.

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• DNS settings for resolving Host name to IP not working?

  - by Hasas Ali Khan

  I want to access my IIS hosted application over LAN. First I installed a DNS server. The DNS configuration steps are: Go to DNS Manager - right click on System Name - click on configure a DNS Server. DNS Server wizard open -, click on next button - Select radio button "forward lookup zone" click on next button. In the second window. click on radio button "The server maintains the zone" and then click next. Give the zone name "example.com" Click on radio button, "Do Not allow dynamic updates". and then click next button. In the next window, click on radio button "No it should not forward query" and then click next button. Complete the configure a DNS server wizard and then click on finish button. After it is managing the DNS records: In DNS server wizard. open tree of forward lookup zone and right click on the new zone name "example.com" - properties and click on "Start of authority" and write values on text boxes serial number=1 primary server=systemname.domainname responsible person=hostmaster.domainname Click on server name, highlight domain name, click on edit button and enter IP address of the server where I host my application. Highlight new zone name and right click on it and click "New Host" option. In this window there are three text boxes: Name(user parent name if blank)=scoring Fully Qualified Domain Name=scoring.example.com IP Address= My IP Address and check on "Create associated pointer(PTR) record" and click on "Add Host" Host button and then click done button. I have host header for my application is "scoring" on port 80 and its working fine on server my application setting are I have change its, Advance setting --> Application Pool Identity --> Local System application can access on server with host name "scoring" but it can not access on machines on LAN. When I change LAN machine host file that is under, C:/windows/system32/driver/etc/host and edit it and enter host name with hosted machine IP like this: scoring 192.168.1.20 By making these changes I can run the application over LAN machines as I mentioned above DNS setting by which I can run App over LAN with out editing the client's host file. What mistake am I doing in this configuration?

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• How to index filenames, size and basic informations for every file on a network?

  - by Antoine

  I have several machines, most of then are Linux and one of them is under Mac OS X. Each machine has several internal hard drives, and I also have a few external hard drives. How can I reliably find files with setup ? External drives are not always plugged, but the files don't move often. Ideally I would like to be able to search the metadata given with the 'file' command, and move files over the network.

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