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• How to start networking on a wired interface before logon in Ubuntu Desktop Edition

  - by Burly

  Problem Ubuntu 9.10 Desktop Edition (and possibly previous versions as well, I haven't tested them) has no network connections after boot until at least 1 user logs in. This means any services that require networking (e.g. openssh-server) are not available until someone logs in locally either via gdm, kdm, or a TTY. Background Ubuntu 9.10 Desktop Edition uses the NetworkManager service to take commands from the nm-applet in Gnome (or it's equivalent in KDE). As I understand it, while NetworkManager is running at boot, it is not issued any commands to connect until you login for the first time because nm-applet isn't running until you login and your Gnome session starts (or similar for KDE). I'm not sure what prompts NetworkManager to connect to the network when you login via a TTY. There are several relevant variables involved in starting up the network connections including: Wired vs Wireless (and the resulting drivers, SSID, passwords, and priorities) Static vs DHCP Multiple interfaces Constraints Support Ubuntu 9.10 Karmic Koala (bonus points for additional supported versions) Support wired eth0 interface Receive an IP address via DHCP Receive DNS information via DHCP (obviously the DHCP server must provide this information) Enable networking at the proper time (e.g. some time after file systems are loaded but before network services like ssh start) Switching distros or versions (e.g. to Server Edition) is not an acceptable solution Switching to a Static IP configuration is not an acceptable solution Question How to start networking on a wired interface before logon in Ubuntu Desktop Edition? What I have tried Per this guide, adding the following entry into /etc/network/interfaces so that NetworkManager won't manage the eth0 interface: auth eth0 iface inet dhcp After reboot eth0 is down. Issuing ifconfig eth0 up brings the interface up but it receives no IP address. Issuing dhclient eth0 instead Does bring up the interface and it Does receive an IP address. Completely removing the NetworkManager package in addition to the settings above. I'm a bit confused with the whole UpStart/SysVinit mangling that's going in Ubuntu currently (I'm more familiar with the CentOS world). However, directly issuing sudo /etc/init.d/networking start Or sudo start networking does not bring up the eth0 interface at all, much less get an IP address. See-Also How to force NetworkManager to make a connection before login? References Ubuntu Desktop Edition Ubuntu Networking Configuration Using Command Line Automatic Network Configuration Via Command-Line Start network connection before login

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• Partitioning recommendations for a Proxmox VM Server (OpenVZ)

  - by luison

  We are new to virtualization and we are planning to turn our online server into a virualized one, mainly for maintenance, backup and recovery improvements. Initially we would only have one real virtual system with load plus 1-3 copys for testing and recovering and maybe a small centralized syslog virtual machine. We would like, if possible the host machine to include an iptables plus rsync to back up to other machines and some other global security systems. Due to this and the offerings of our hosting supplier we are mainly considering Proxmox for its simplicity (we like the idea of its web admin panel) and as I also understand that the container approach of OpenVMZ systems may fit well resource wise with our setup. The base system comes with debian so we can personalise it to our requirements. Proxmox installations default installs an LVM partition for the VMs. Our doubts are with the fact of what would be the best partition structure for this considering that: we would like to have a mirror of the root partition we could boot from if required (our provider supports booting the system from another partition via control panel) we ideally would like to have a partition that could be shared among the VM systems. We still don't know if this is possible directly with OpenVMZ containers, otherwise we are considering doing this by sharing it via NFS on the host machine. we want to use the backup system available on the proxmox host administrator to programme VMs backups and then rsync it to another machine. With this based on a Linux Raid of aprox (750Gb) we are considering something like: ext3_1/ - (20Gb) ext3_2/bak_root - (20Gb) mostly unmounted, root partition sync LVM_1 /var/lib/vz - (390Gb) partition for virtual images LVM_2 /shared_data - (30Gb) LVM_3 /backups - (300Gb) where all backups would be allocated Our initial tests with Proxmox seem to have issues with snapshots backups like this, perhaps caused by the fact that they can not be done to another LVM partition (error: command 'lvcreate --size 1024M --snapshot --name vzsnap-ns204084.XXX.net-0 /dev/pve/LV' failed with exit code 5) in which case we might have to use a standart ext3 partition (but unsure if we can do this with the 4 primary partition limitations). Does this makes more or less sense? Would it be mad to for example write VMs /var/logs to a NFS mounted partition (on the host system)? Are their any other easier ways to mount host system partitions (or folders) to the VMs?

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• pxe boot fails with message: no DEFAULT or UI configuration directive found

  - by spockaroo

  I am trying to pxe-boot a machine (client), and in the process I am trying to setup a tftp server that this machine can boot off. On the server, which runs Ubuntu 10.10, I have setup dhcp, dns, nfs, and tftp-hpa servers. All the servers/deamons start fine. I tested the tftp server by using a tftp client and downloading a file that the server directory hosts. My /etc/xinet.d/tftp looks like this service tftp { disable = no socket_type = dgram wait = yes user = nobody server = /usr/sbin/in.tftpd server_args = -v -s /var/lib/tftpboot only_from = 10.1.0.0/24 interface = 10.1.0.1 } My /etc/default/tftpd-hpa looks like this RUN_DAEMON="yes" OPTIONS="-l -s /var/lib/tftpboot" TFTP_USERNAME="tftp" TFTP_DIRECTORY="/var/lib/tftpboot" TFTP_ADDRESS="0.0.0.0:69" TFTP_OPTIONS="--secure" My /var/lib/tftpboot/ directory looks like this initrd.img-2.6.35-25-generic-pae vmlinuz-2.6.35-25-generic-pae pxelinux.0 pxelinux.cfg -- default I did sudo chmod 644 /var/lib/tftpboot/pxelinux.cfg/default chmod 755 /var/lib/tftpboot/initrd.img-2.6.35-25-generic-pae chmod 755 /var/lib/tftpboot/vmlinuz-2.6.35-25-generic-pae /var/lib/tftpboot/pxelinux.cfg has the following contents SERIAL 0 19200 0 LABEL linux KERNEL vmlinuz-2.6.35-25-generic-pae APPEND root=/dev/nfs initrd=initrd.img-2.6.35-25-generic-pae nfsroot=10.1.0.1:/nfsroot ip=dhcp console=ttyS0,19200n8 rw I copied /var/lib/tftpboot/pxelinux.0 from /usr/lib/syslinux/ after installing the package syslinux-common. Also just for completeness, /etc/dhcp3/dhcpd.conf the following lines (relevant to this interface) subnet 10.1.0.0 netmask 255.255.255.0 { range 10.1.0.100 10.1.0.240; option routers 10.1.0.1; option broadcast-address 10.1.0.255; option domain-name-servers 10.1.0.1; filename "pxelinux.0"; } When I boot the client machine, and watch the output over the serial port, I notice that the client requests an ip address from the server and gets it. Then I see TFTP being displayed - indicating that it is trying to connect to the TFTP server. This succeeds, and I see TFTP.|, which return immediately displaying the following message PXELINUX 4.01 debian-20100714 Copyright (C) 1994-2010 H. Peter Anvin et al No DEFAULT or UI configuration directive found! boot: /var/log/syslog shows Feb 20 15:24:05 ch in.tftpd[2821]: tftp: client does not accept options What option is it talking about in the syslog? I assume it is referring to OPTIONS or TFTP_OPTIONS, but what am I doing wrong?

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• How to read MAC address with python

  - by getjoefree

  Earlier, I could read MAC address with awk tools in Windows or Windows PE 4.0, but now it don't support Windows PE 4.0 64-bit. I want to get this result "set mac=A4BADB9D1E8E" with python 2.6, who could help to me. As follows: ipconfig -all|sed -nrf getmac.sed | sed -e "s/-//g" > D:\LOG\WINMAC.BAT getmac.sed: /Realtek/ { n; s/.*: ([-0-9A-F]+)/set winmac=\1/p; } and "ipconfig -all" command log as bellows ipconfig -all >mac.log Ethernet adapter Ethernet: Media State . . . . . . . . . . . : Media disconnected Connection-specific DNS Suffix . : WKSCN.WISTRON Description . . . . . . . . . . . : Realtek PCIe FE Family Controller Physical Address. . . . . . . . . : 24-B6-FD-1F-41-E7 DHCP Enabled. . . . . . . . . . . : Yes Autoconfiguration Enabled . . . . : Yes --------------------------------------- we can get Physical Address when plug in lan cable, but not plug the network cable, it is impossible to obtain IP address.

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• Too many Tunnel Adapter Interfaces

  - by Tomas Lycken

  If I open a command prompt on my machine and type ipconfig /all, I see lots of Tunnel adapter Local Area Connection* 9: Media state . . . . . . . . . . . . . : Media disconnected Connection-specific DNS Sufficx . . . : Description . . . . . . . . . . . . . : Microsoft 6to4 Adapter #5 Physical address. . . . . . . . . . . : 00-00-00-00-00-00-00-E0 DHCP Enabled. . . . . . . . . . . . . : No Autoconfiguration Enabled . . . . . . : Yes In fact, they're so many that my "real" adapters are pushed out of the stack, and can't be seen anymore. Is there any flag I can use on ipconfig to hide all virtual interfaces? Or is there some other way around this problem? Since they always say "Media disconnected" I suppose disabling could be an option, but if possible I'd rather not turn any functionality off. I just want to control what output I get from ipconfig. Also, I know these are related to IPv6 stuff. However, most of what I find on google merely states what these are, and that they're harmless - nothing about hiding/removing them.

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• How to read MAC address with sed vs python

  - by getjoefree

  Earlier, I could read MAC address with awk tools in Windows or Windows PE 4.0, but now it don't support Windows PE 4.0 64-bit. I want to get this result "set mac=A4BADB9D1E8E" with python 2.6, who could help to me. As follows: ipconfig -all|sed -nrf getmac.sed | sed -e "s/-//g" > D:\LOG\WINMAC.BAT ----------------------------------------------------------------------- getmac.sed: /Realtek/ { n; s/.*: ([-0-9A-F]+)/set winmac=\1/p; } and "ipconfig -all" command log as bellows: ipconfig -all >mac.log ---------------------- Ethernet adapter Ethernet: -------------------------- Media State . . . . . . . . . . . : Media disconnected ------------------------------------------------------ Connection-specific DNS Suffix . : WKSCN.WISTRON ------------------------------------------------ Description . . . . . . . . . . . : Realtek PCIe FE Family Controller --------------------------------------------------------------------- Physical Address. . . . . . . . . : 24-B6-FD-1F-41-E7 ----------------------------------------------------- DHCP Enabled. . . . . . . . . . . : Yes --------------------------------------- Autoconfiguration Enabled . . . . : Yes ---------------------------------------

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• Apache2 name based virtual host always redirect 301

  - by Francesco

  I've got a server (runnging Debian Squeeze) with Apache 2.2, there are 4 site running there. I'm using namebased virtulhosts because I've got a single IP. Initial configuration has been made with Webmin and probably something has been messed up.. firstdomain.com is my default domain and is working correctly, seconddomain.com is another site that is working. Now I want to add lastdomain.tk as a new site, so I've made this config file: root@webamp:/etc/apache2# cat sites-available/lastdomain.tk.conf <VirtualHost *:80> DocumentRoot /home/server/Condivisione/RAID/lastdomain.tk ServerName www.alazanes.tk ServerAlias alazanes.tk </VirtualHost> I've added it to enabled-sites and restarted apache. The problem is that if I go to lastdomain.tk (or www.lastdomain.tk) I'm redirected to firstdomain.com with a 301 redirect. Both lastdomain.tk and www.lastdomain.tk are A DNS records pointing to my IP address. Strange thing is that if a change DocumentRoot of lastdomain.tk to DocumentRoot /home/server/Condivisione/RAID/Sito_SecondDomain I correctly see seconddomain.com content without being redirected (lastdomain.tk is showed on address bar) These are the other configurations I'm using. root@webamp:/root# source /etc/apache2/envvars ; /usr/sbin/apache2 -S VirtualHost configuration: wildcard NameVirtualHosts and _default_ servers: *:443 webamp.firstdomain.com (/etc/apache2/sites-enabled/ssl.bbteam:1) *:80 is a NameVirtualHost default server firstdomain.com (/etc/apache2/sites-enabled/000-default:7) port 80 namevhost firstdomain.com (/etc/apache2/sites-enabled/000-default:7) port 80 namevhost www.lastdomain.tk (/etc/apache2/sites-enabled/lastdomain.tk.conf:1) ## other domains ## port 80 namevhost seconddomain.com (/etc/apache2/sites-enabled/seconddomain.com.conf:1) Syntax OK Content of default config file is root@webamp:/etc/apache2# cat sites-available/default <VirtualHost *:80> ServerAdmin [email protected] ServerName firstdomain.com ServerAlias www.firstdomain.com direct.firstdomain.com DocumentRoot /home/server/Condivisione/RAID/Sito_Web_Apache_su_80 ErrorLog /var/log/apache2/error.log LogLevel warn CustomLog /var/log/apache2/access.log combined </VirtualHost> content of second domain config file is root@webamp:/etc/apache2# cat sites-available/seconddomain.com.conf <VirtualHost *:80> DocumentRoot /home/server/Condivisione/RAID/Sito_SecondDomain ServerName seconddomain.com ServerAlias www.seconddomain.com direct.seconddomain.com #redirect 301 / http://www.seconddomain.com/ <Directory "/home/server/Condivisione/RAID/Sito_SecondDomain"> allow from all Options +Indexes </Directory> </VirtualHost> Probably a file permission problem? root@webamp:/root# ls -lh /home/server/Condivisione/RAID/ total 7.1M drwxrwxr-x 15 www-data server 4.0K Jun 5 13:29 Sito_SecondDomain drwxrwxrwx 23 server server 4.0K Jun 7 16:22 Sito_Web_Apache_su_80 drwxrwxr-x 17 www-data server 4.0K Jun 8 09:56 alazanes.tk Do someone have an idea of what is happening? Thanks, Francesco

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• DHCP "no answer" on CentOS 6.4

  - by Kev

  I installed a DHCP server (yum install dhcp) and this is my conf: # create new # specify domain name option domain-name "mydomain.name"; # specify DNS's hostname or IP address option domain-name-servers 10.0.1.1, 10.0.1.2; option ntp-servers 10.0.1.1, 10.0.1.2; allow unknown-clients; # default lease time default-lease-time 2628000; # max lease time max-lease-time 2628000; # about a month # this DHCP server to be declared valid authoritative; # specify network address and subnet mask subnet 10.0.0.0 netmask 255.0.0.0 { # specify the range of lease IP address range dynamic-bootp 10.0.2.1 10.0.2.50; # specify broadcast address option broadcast-address 10.255.255.255; # specify default gateway option routers 10.0.0.1; allow unknown-clients; } service dhcp start reports [ OK ]. Yet, if I disable my other DHCP server (Win2k3) and get a client to try renewing its IP lease, it times out. So I installed dhcping. No matter what options I try, including directing dhcping at my server, adding a client address in the range, adding my hardware address, it replies 'no answer'. I'm also trying -i since that seems to be more akin to what a WinXP client would try to do, based on /var/log/messages. It logs the attempts (from dhcping here) as: Oct 24 18:55:13 newdc dhcpd: DHCPINFORM from 10.0.2.15 via eth0:4 Oct 24 18:55:13 newdc dhcpd: DHCPACK to 10.0.2.15 (00:11:25:66:4e:7f) via eth0:4 Oct 24 18:55:13 newdc dhcpd: DHCPINFORM from 10.0.2.15 via eth0:3 Oct 24 18:55:13 newdc dhcpd: DHCPACK to 10.0.2.15 (00:11:25:66:4e:7f) via eth0:3 Oct 24 18:55:13 newdc dhcpd: DHCPINFORM from 10.0.2.15 via eth0 Oct 24 18:55:13 newdc dhcpd: DHCPACK to 10.0.2.15 (00:11:25:66:4e:7f) via eth0 The :3 and :4 are because I have a few extra Host(A) records for this server so it responds on more than one IP for our intranet app. No answer? It sounds like it should be getting three answers...no? (And if that's the problem, how do I limit the DHCP service to replying from eth0?)

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• My current iptable configuration doesn't work [on hold]

  - by Brad

  sudo chkconfig iptables off /etc/init.d/iptables on ### Clear/flush iptables sudo iptables -F sudo iptables -P INPUT ACCEPT sudo iptables -P OUTPUT ACCEPT sudo iptables -P FORWARD ACCEPT ### Allow SSH iptables -A INPUT -i eth0 -p tcp --dport 22 -m state --state NEW,ESTABLISHED -j ACCEPT iptables -A OUTPUT -o eth0 -p tcp --sport 22 -m state --state ESTABLISHED -j ACCEPT ### Allow YUM updates sudo iptables -A OUTPUT -o eth0 -p tcp --dport 80 --match owner --uid-owner 0 --state NEW,ESTABLISHED -j ACCEPT sudo iptables -A OUTPUT -o eth0 -p tcp --dport 443 --match owner --uid-owner 0 --state NEW,ESTABLISHED -j ACCEPT ### Add your rules form the link above, here # ftp,smtp,imap,http,https,pop3,imaps,pop3s sudo iptables -A INPUT -i eth0 -p tcp -m multiport --dports 21,25,143,80,443,110,993,995 -m state --state NEW,ESTABLISHED -j ACCEPT sudo iptables -A OUTPUT -o eth0 -p tcp -m multiport --sports 21,25,143,80,110,443,993,995 -m state --state NEW,ESTABLISHED -j ACCEPT ## allow dns sudo iptables -A OUTPUT -p udp -o eth0 --dport 53 -j ACCEPT && sudo iptables -A INPUT -p udp -i eth0 --sport 53 -j ACCEPT # handling pings sudo iptables -A INPUT -p icmp --icmp-type echo-request -j ACCEPT && sudo iptables -A OUTPUT -p icmp --icmp-type echo-reply -j ACCEPT sudo iptables -A OUTPUT -p icmp --icmp-type echo-request -j ACCEPT && sudo iptables -A INPUT -p icmp --icmp-type echo-reply -j ACCEPT # manage ddos attacks sudo iptables -A INPUT -p tcp --dport 80 -m limit --limit 25/minute --limit-burst 100 -j ACCEPT ## Implement some logging so that we know what's getting dropped sudo iptables -N LOGGING sudo iptables -A INPUT -j LOGGING sudo iptables -A LOGGING -m limit --limit 2/min -j LOG --log-prefix "IPTables Packet Dropped: " --log-level 7 sudo iptables -A LOGGING -j DROP # once a rule affects traffic then it is no longer managed # so if the traffic has not been accepted, block it sudo iptables -A INPUT -j DROP sudo iptables -I INPUT 1 -i lo -j ACCEPT sudo iptables -A OUTPUT -j DROP # allow only internal port forwarding sudo iptables -A FORWARD -i eth0 -o eth1 -j ACCEPT sudo iptables -P FORWARD DROP # create an iptables config file sudo iptables-save > /root/dsl.fw ### Append the following to the rc.local file sudo nano /etc/rc.local ####--- /sbin/iptables-restore < sudo /root/dsl.fw ####--- /etc/init.d/iptables save ## check to see if this setting is working great. sudo service iptables restart ## log out/in testing sudo chkconfig iptables on What is the problem with this setup? If I restart the server it doesn't allow me back in SSH, and there may be a problem with Yum Original source of information: https://gist.github.com/Jonathonbyrd/1274837#file-instructions

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• vSphere Client vCenter Template Customization Specification Using Windows Sysprep Unattended Answer XML File

  - by Brian

  I'm trying to setup a vSphere Client vCenter v5.0.0 Build 455964 Template Customization Specification using a Windows Sysprep unattended answer XML file for Win2008R2. However I didn't know how Sysprep worked before attempting this so it was a time-consuming nightmare (even after reviewing VMware vSphere ESXi 5's documentation)! I think I've figure out what I'm supposed to be doing, but it's still not working. The biggest problem at this point is that vSphere Client vCenter Customization Specification IP address information is not sticking when I load a Sysprep XML file with just 1 basic setting! This can only be a bug. Here is the process I'm using: PROCESS for Windows - vSphere Client Install Windows OS install VM Tools customize Windows (GPOs can be used to do this after deployment) install Applications (GPOs can be used to do this after deployment too) shutdown the VM convert the VM to a template create a custom Windows Sysprep XML answer file with desired customizations View Management Customization Specifications Manager create "New" Specification for "Target Virtual Machine OS" select Windows check "Use Custom Sysprep Answer File" (ADDS: Custom Sysprep File. KEEPS: Network (IP), Operating System Options (SID, Sysprep /generalize). REPLACES: Registration Information of Owner Name & Organization, Computer Name, Windows License (Key), Administrator Password, Time Zone, Run Once, Workgroup or Domain) name it as "VMwareCS-OS####R#x32/64w/Sysprep-TEST" (CS=Customization Specification) set Description as "Created YYYY/MM/DD by FLast" NEXT import a Sysprep answer file from secure location NEXT Custom settings NEXT click "..." box to right of "Use DHCP" set "Use the following IP settings:" for "IP Address" fill out the first 2 octets set appropriate values for other 2-3 fields set DNS server addresses OK NEXT check "Generate New Security ID (SID)" ALWAYS as template is likely a domain-member computer so it can be updated occasionally NEXT Finish View Inventory VMs and Templates right-click previously completed template Deploy Virtual Machine from this Template provide the new OS name (max15char) select inventory location NEXT select Host/Cluster (wait for validation to succeed) NEXT select Resource Pool (wait for validation to succeed) NEXT select Storage location NEXT check "Power on this virtual machine after creation" select "Customize using an existing customization specification" select desired specification select "Use the Customization Wizard to temporarily adjust the specification before deployment" NEXT NEXT Custom settings? NEXT check "Generate New Security ID (SID)" ALWAYS as template is likely a domain-member computer so it can be updated occasionally NEXT Finish Finish. I know a community member named "brian" (http://serverfault.com/users/25904/brian) has worked with this scenario before, but I couldn't figure out how to contact him directly, so Brian if you see this message could you provide some information to help? Thanks, Brian

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• csync2 ERROR: Connection to remote host failed

  - by Emil Salama

  I was unable to find any articles to answer this question, so my best bet was to post this here: Scenario We have 2x application servers in production hosting a PHP website and I would like some folders to be syncronized between the 2, the same was setup for the development environment with no issues, I've followed all instructions from the URL "http://www.cloudedify.com/synchronising-files-in-cloud-with-csync2/", I still seem to have the same result, firewall has been disabled on both boxes for troubeshooting purposes: Config Files: cysnc2.cfg nossl * *; group production { host server1; host server2; key /etc/csync-production-group.key; include /etc/httpd/sites-available; include /xxxxxx/public_html/files include /xxxxxxx/magento/media/catalog/product include /xxxxxxx/magento/media/brands exclude *.log; exclude /xxxx/public_html/file/cache; exclude /xxxxx/public_html/magento/var/cache; exclude /xxxx/public_html/logs; exclude /xxxxx/public_html/magento/var/log; backup-directory /data/sync-conflicts/; backup-generations 2; auto younger; } /etc/xinetd.d/csync2 csync2.cfg service csync2 { disable = no flags = REUSE socket_type = stream wait = no user = root group = root server = /usr/sbin/csync2 server_args = -i -D /data/sync-db/ port = 30865 type = UNLISTED log_type = FILE /data/logs/csync2/csync2-xinetd.log log_on_failure += USERID } I've made sure that the daemon is listening on both server on port 30865 and the keys matched on both servers I've run a tcpdump on each server, output as follows: 12:20:31.366771 IP server1.49919 server2.csync2: Flags [S], seq 445156159, win 14600, options [mss 1460,sackOK,TS val 794864936 ecr 0,nop,wscale 7], length 0 12:20:31.366810 IP server2.csync2 server1.49919: Flags [S.], seq 450593575, ack 445156160, win 14480, options [mss 1460,sackOK,TS val 794798911 ecr 794864936,nop,wscale 7], length 0 12:20:31.367101 IP server1.49919 server2.csync2: Flags [.], ack 1, win 115, options [nop,nop,TS val 794864937 ecr 794798911], length 0 12:20:31.367138 IP server1.49919 server2.csync2: Flags [P.], seq 1:9, ack 1, win 115, options [nop,nop,TS val 794864937 ecr 794798911], length 8 12:20:31.367147 IP server2.csync2 server1.49919: Flags [.], ack 9, win 114, options [nop,nop,TS val 794798912 ecr 794864937], length 0 12:20:31.368625 IP server2.csync2 server1.49919: Flags [R.], seq 1, ack 9, win 114, options [nop,nop,TS val 794798913 ecr 794864937], length 0 Is there anything else i'm missing or should be doing?

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• Why can I not get a WDS-originated PXE boot to progress past the first file download?

  - by Jeff Shattock

  I'm trying to work out an automated Windows install process, and thought I'd give WDS a look. After some promising initial progress, I seem to have hit a wall. I imported the boot and install WIMs, and created the capture WIM successfully. However, whenever I try to PXE boot the reference machine against the WDS server, it kinda craps out. It finds the server and downloads WDSNBP.COM successfully, and then gives the message "TFTP download failed." According to WireShark, the only communication between the WDS box and the client box is the successful TFTP request and download of boot\x86\WDSNBP.COM. No further requests are sent. The WDS log on the server shows the same thing, one successful download and no more activity. I've tried every combination of the following, with exactly zero change in behaviour: Win Server 2008R2 vs 2012 vs 2012R2 WDS virtualized on KVM, ESXi, VirtualBox, VMWare Workstation Client virtualized on KVM, ESXi, VirtualBox, VMWare Workstation Every network adaptor type offered by the virtualization platforms. "Actual" network vs isolated, virtual network. MS DHCP server vs Linux isc-dhcp-server Joined to a domain vs Stand-alone I tried changing the boot filename in DHCP to pxeboot.com instead, and it has no problem downloading that file instead, but it then crabs about Boot\BCD being corrupted. Also, with 2012, it doesnt appear that WDSNBP.com does the architecture detection, or at least does'nt report that it did. 2008 reports that it found x64, and then errors. I find myself out of things to check, and I dont see anything immediately wrong. Where do I go from here? WDS server is at 192.168.1.50, DHCP/DNS at 192.168.1.7. Console of the client computer after the boot: MAC: 52:54:00:28:94:0E UUID: blah blah Searching for server (DHCP)..... Me: 192.168.1.155, DHCP: 192.168.1.7, Gateway 192.168.1.1 Loading 192.168.1.50:boot\x86\wdsnbp.com ...(PXE).................done Downloaded WDSNCP... TFPT download failed Interesting parts of /etc/dhcp/dhcpd.conf on the Linux DHCP server: allow booting; allow bootp; option option-60 code 60 = string; option option-66 code 66 = string; option option-67 code 67 = string; subnet 192.168.1.0 netmask 255.255.255.0 { range 192.168.1.110 192.168.1.253; next-server 192.168.1.50; option tftp-server-name "192.168.1.50"; option option-60 "PXEClient"; filename "boot\\x86\\wdsnbp.com"; option bootfile-name "boot\\x86\\wdsnbp.com"; }

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• I can't send email from my server to gmail addresses

  - by brianegge

  I'm using postfix, and have setup spf, dkim, and domainkeys. I can get my email to go to Yahoo, but not gmail. Here's the headers from an email send to Yahoo. Yahoo reports the email as domain key verified. X-Apparently-To: brianegge at yahoo.com via 68.142.206.167; Sat, 20 Mar 2010 05:29:19 -0700 Return-Path: <domains at theeggeadventure.com> X-YahooFilteredBulk: 67.207.137.114 X-YMailISG: x7_Rl9EWLDuugoqPcORhih0FeQMOaIIpz4qfuu9ttx1xbo3uKI2kz.CLUy2cJ1BTtHAwuJtrsGRsveHIx.Dx95avNGlPPGWy_cSpnEwWLXGxBciO.YgtSQxdURQiWLCLvbHej0QPjQIHFjAFjdeGhJd2Y8NgTW1wcExq45Sb7LMlOGvtGMjSQuc8QazwXUxpZrQbIxgSQUTmzQO1x30xaZ2Us6TQTab7Wpya6OgAX.emKOM3phfS5kfhYj9FLQ.qi32sFNWnAoFdVK596OTP2F63PAJOVM5qPsM2jIAbJylIBmnj94LO7hOVr3KOS6XLtCPRn2Oe X-Originating-IP: [67.207.137.114] Authentication-Results: mta1055.mail.mud.yahoo.com from=theeggeadventure.com; domainkeys=pass (ok); from=theeggeadventure.com; dkim=pass (ok) Received: from 127.0.0.1 (EHLO mail.theeggeadventure.com) (67.207.137.114) by mta1055.mail.mud.yahoo.com with SMTP; Sat, 20 Mar 2010 05:29:19 -0700 Received: by mail.theeggeadventure.com (Postfix, from userid 1003) id BB5B01C16A4; Sat, 20 Mar 2010 12:29:16 +0000 (UTC) DomainKey-Signature: a=rsa-sha1; s=2010; d=theeggeadventure.com; c=simple; q=dns; b=JHbK9VhqyQTfpQFqaXxJrKpEG9h9H0IZ0LdWoBooJEA7hv3SYWmFUtyE247EuwoaG gzApKJ1DuRhwESZ7PswrbzuaUL8poAUO8LmMvZ+OqnDolgNSJUYWu0FcO+fe3H4m9ZD grkj0xMpHw+uFjXV4plKO+sa8olJXJAmP+9cMEo= X-DKIM: Sendmail DKIM Filter v2.8.2 mail.theeggeadventure.com BB5B01C16A4 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=theeggeadventure.com; s=2010; t=1269088156; bh=bUlMldcnzFCmCmNT8qjpRl6fiY1YyjiZiC9jhCXASOw=; h=Subject:To:Message-Id:Date:From; b=EVNolTlh4Gch5/HIrrHaRQvcApl7wkB42gB44NsPcLZD2QrhuOvnhanhnEB4UbV0e A+3dAOjhX7LKzgGrn11jXNTiEjNX1vQDsX3HyG0fNra73aWiGTzr1nHJfnuEJ7Ph0j 5tp0HRL5jjikD1XJcvmsYzTpT22mxuz60HXYRB1s= Subject: cron To: <brianegge at yahoo.com> X-Mailer: mail (GNU Mailutils 1.2) Message-Id: <[email protected]> Date: Sat, 20 Mar 2010 12:29:16 +0000 (UTC) From: This sender is DomainKeys verified [email protected] (domains) View contact details Content-Length: 818 When I send to gmail, I see the following in my server log, but the message doesn't even reach my spam folder. Mar 20 12:59:12 Everest postfix/pickup[27802]: C81C61C16A4: uid=1000 from=<egge> Mar 20 12:59:12 Everest postfix/cleanup[27847]: C81C61C16A4: message-id=<[email protected]> Mar 20 12:59:13 Everest postfix/qmgr[27801]: C81C61C16A4: from=<[email protected]>, size=2784, nrcpt=1 (queue active) Mar 20 12:59:14 Everest postfix/smtp[27849]: C81C61C16A4: to=<brianegge at gmail.com>, relay=gmail-smtp-in.l.google.com[209.85.223.24]:25, delay=2.1, delays=0.39/0.28/0.13/1.3, dsn=2.0.0, status=sent (250 2.0.0 OK 1269089954 32si4566750iwn.51) Mar 20 12:59:14 Everest postfix/qmgr[27801]: C81C61C16A4: removed I've send to email to test services, and the report everything verifies ok. I've also checked all the RBL lists, and I'm not on any of them.

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• Can't connect to DeploymentShare$ from PC attempting to MDT, but can other PCs on the network

  - by Moman10

  I am in the process of setting up MDT and have run across a problem. MDT is installed on a Windows 2012 server, MDT version 6.2.5019.0. Using WDS as well. Active Directory domain, the server is up to date and on the network. I boot up the PC, it gets an address from DHCP, pulls down the LiteTouchPE_x64.wim image and goes into the MS Solution Accelerators screen, the Processing Bootstrap Settings box comes up and processes for a couple of seconds, then goes away, it sits there for another minute or so and then gives the error: A connection to the deployment share (\\Acme-MDT\DeploymentShare$) could not be made. Can not reach the DeployRoot. Possible Cause: Network Routing error or Network Configuration Error." I can then retry or cancel. I have seen this error online but so far nothing that helps fix it, but seems to be an issue with the FQDN. I verified that I am getting an IP address and that I can successfully ping the MDT server if I use the FQDN, but can not just by it's A record of Acme-MDT. I tried manually mapping the network share using net use and it works if I use the FQDN, but it fails with an error code 53, "Network path not found" if I just use the A record of Acme-MDT. Here is the net use command I'm using: net use * \\Acme-MDT\DeploymentShare$ /u:Domain\Administrator It gives the error System Error 53, Network path not found (and doesn't prompt for a password), but if I use the FQDN of \\Acme-MDT.domain.com\DeploymentShare$ it works fine to map the drive. I guess the problem is, when it tries to load the image, it is trying to start from \\Acme-MDT\DeploymentShare$ and I need it to start from \\Acme-MDT.domain.com\DeploymentShare$, but not sure how to get it to do that. I've put the fully qualified path in CustomSettings.ini and bootstrap, updated the deployment share, regenerated the boot image and replaced the boot wim in WDS. Or, if someone has an idea as to why it's acting this way and knows a way around it. The end result is what matters! :) I did verify in DNS that Acme-MDT is there, with the proper IP, and I can successfully use the net use command to map this drive from a couple other computers that are already on the network. I am assuming it has something to do with that computer not already being part of the domain, but I'm honestly at a loss as to how to fix it. Any ideas are appreciated, thanks in advance for your help!

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• backup and restoration of a freeipa infrastructure

  - by Sirex

  I'm finding the documentation on ipa server backup and restoration sadly lacking, and being so centrally critical it's not something i'm really happy about shooting in the dark with - could some kind soul more knowledable in the matter please attempt to provide an idiot-proof guide to backing up and restoring of IPA server(s) ? Particularly the main server (the cert signing one). ...We're looking towards rolling out ipa in a two server setup (1 master, 1 replica). I'm using dns srv records to handle failover, hence a loss of the replica isn't a big deal as i could make a new one and force a resync to happen - it's losing the master that bothered me. The thing that i'm really struggling with is locating a step-by-step procedure for backing up and restoring the master server. I'm aware that whole-VM snapshot is the recommended way of doing IPA server backup, but that isn't an option at this time for us. I'm also aware that freeipa 3.2.0 includes some sort of backup command build in, but that isn't in the ipa version of centos, and i don't expect it will be for some time yet. I've been trying many different methods, but none of them seem to restore cleanly, amongst others, i've tried; a command similar to db2ldif.pl -D "cn=directory manager" -w - -n userroot -a /root/userroot.ldif the script from here to produce three ldif files -- one for the domain ({domain}-userroot), and two for the ipa server (ipa-ipaca and ipa-userroot): Most of the restores i've tried have been similar to the form of: ldif2db.pl -D "cn=directory manager" -w - -n userroot -i userroot.ldif which seems to work and reports no errors, but totally borks the ipa install on the machine and i can no longer login with either the admin password on the backed up server, or the one i set it to on installation before attempting the ldif2db command (i'm installing ipa-server and running ipa-server-install, then attempting the restore). I'm not overly bothered about losing the CA, having to rejoin the domain, losing replication etc etc (although it'd be awesome if that could be avoided) but in the instance of the main server dropping i'd really like to avoid having to re-enter all the user/group information. I guess in the instance of losing the main server i could promote the other one and replicate in the other direction, but i've not tried that, either. Has anyone done that ? tl;dr: Can someone provide an idiots guide to backing up and restoring an IPA server (preferably on CentOS 6) in a clear enough way that'd make me feel confident it'll actually work when the dreaded time comes ? Crayons are optional, but appreciated ;-) I can't be the only person struggling with this, seeing how widely used IPA is, surely ?

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• MD3200 - 3 to 4x less throughput than MD1220. Am I missing something here?

  - by Igor Polishchuk

  I have two R710 servers with similar configuration. One in my office has MD1220 attached. Another one in the datacenter of my hosting services vendor has MD3200. I'm getting significantly worse throughput from MD3200 at my vendors setup. I'm mostly interested in sequential writes, and I'm getting these results in bonnie++ and dd tests: Seq. writes on MD1220 in my office: 1.1 GB/s - bonnie++, 1.3GB/s - dd Seq. writes on MD3200 at my vendor's: 240MB/s - bonnie++, 310MB/s - dd Unfortunately, I could not test the exactly the same configurations, but the two I have should be comparable. If anything, my good performing environment is cheaper than the bad performing. I expect at least similar throughput from these two setups. My vendor cannot really help me. Hopefully, somebody more familiar with the DAS performance can look at it and tell if I'm missing something here and my expectations are too high. To summarize, the question here is it reasonable to expect about 100MB/s of sequential write throughput per each couple of drives in RAID10 on MD3200? Is there any trick to enable such performance in MD3200 with dual controller as opposed to simple MD1220 with a single H800 adapter? More details about the configurations: A good one in my office: Dell R710 2CPU X5650 @ 2.67GHz 12 cores 96GB DDR3, OS: RHEL 5.5, kernel 2.6.18-194.26.1.el5 x86_64 20x300GB 2.5" SAS 10K in a single RAID10 1MB chunk size on MD1220 + Dell H800 I/O controller with 1GB cache in the host Not so good one at my vendor's: Dell R710 2CPU L5520 @ 2.27GHz 8 cores 144GB DDR3, OS: RHEL 5.5, kernel 2.6.18-194.11.4.el5 x86_64 20x146GB 2.5" SAS 15K in a single RAID10 512KB chunk size, Dell MD3200, 2 I/O controllers in array with 1GB cache each Additional information. I've also ran the same tests on the same vendor's host, but the storage was: two raids of 14x146GB 15K RPM drives RAID 10, striped together on the OS level on MD3000+MD1000. The performance was about 25% worse than on MD3200 despite having more drives. When I ran similar tests on the internal storage of my vendor's host (2x146GB 15K RPM drives RAID1, Perc 6i) I've got about 128MB/s seq. writes. Just two internal drives gave me about a half of 20 drives' throughput on MD3200. The random I/O performance of the MD3200 setup is ok, it gives me at least 1300 IOPS. I'm mostly have problems with sequentioal I/O throughput. Thank you for looking into it. Regards Igor

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• All the Gear and No Idea: Suggestions for re-designing my home/office/entertainment network

  - by 5arx

  Help/ Advice/ Suggestions please: I have a load of kit that I love but which currently operate in disconnected, sometimes counter-productive way. Because I never really had a masterplan I just added these things one after another and connected them up in ad hoc ways. Since I bought my Macbook I've found I spend much less time on the MacPro that was until then my main machine. Perversely, as my job involves writing .Net software, I spend a lot of Mac time actually inside a Windows 7 VM. I stream media from the HP box to the PS3 and thus to the TV, but its not without its limitations/annoyances. We listen to each other's iTunes libraries but the music files are all over the place and it would be good to know they were all safely in one location (and fully backed up). I need to come up with a strategy that will allow me to use all the kit for work, play (recording live music, making tunes, iMovie work), pushing/streaming media to the TV and sharing files with my other half (she uses a Windows laptop and her iPod touch). Ideally I'd like to be able to work on any of the machines and have a shared homedrive that was visible to all machines so all my current files were synced up wherever i was. It would be great if I could access everything securely and quickly over the web. I'd also like to be able to set up a background backup process. The kit list thus far: Apple MacPro 8GB/3x250GB RAID0 + 1TB Apple MacBook Pro 13" 8GB/250GB - I spend a lot of my work time on a Windows 7 VM on this. Crappy Acer laptop (for children's use - iPlayer, watching movies/tv files) HP Proliant Server 4GB/80GB+160GB+300GB Sun Ultra 10 2 x 80GB (old, but in top-notch condition) PS3 160GB iPod Classic 2 x 8GB iPod Touch Observations: Part of the problem is our dual use of Windows and OS X - we can't go for a pure NT style roaming profile. Because the server is also used for hosting test/beta applications and a SQL Server db, it can't be dedicated to file serving. The two Macs really could do with sharing a roaming profile or similar. I'd love to be able to do something useful with the Ultra 10. My other half has been trying to throw it away for over five years now and regularly ask what function it serves in my study :-( I've got no shortage of 500GB external USB hard drives iMovie files are very large and ideally would be processed on a RAID system. Apple's TimeMachine isn't so great. If anyone could suggest all or part of a setup that would fulfil some of my requirements I'd be very grateful. I am willing to consider purchasing one or two more bits of kit (an Apple TV and a Squeezebox have been moted by friends) if they will help make efficiencies rather than add to the chaos and confusion. Thanks for looking.

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• BAD DC transfering FSMO Roles to ADC

  - by Suleman

  I have a DC (FQDN:server.icmcpk.local) and an ADC (FQDN:file-server.icmcpk.local). Recently my DC is facing a bad sector problem so I changed the Operation Masters to file-server for all five roles. but when ever i turn off the OLD DC the file-server also stops wroking with AD and GPMC further i m also unable to join any other computer to this domain. For Test purpose i also added a new ADC (FQDN:wds-server.icmcpk.local) but no succes with the old DC off i had to turn the old DC on and then joined it. I m attaching the Dcdiags for all three servers. Kindly help me so that i b able to reinstall new HDD and it can go online again. --------------------------------------- Server --------------------------------------- C:\Program Files\Support Tools>dcdiag Domain Controller Diagnosis Performing initial setup: Done gathering initial info. Doing initial required tests Testing server: Default-First-Site-Name\SERVER Starting test: Connectivity ......................... SERVER passed test Connectivity Doing primary tests Testing server: Default-First-Site-Name\SERVER Starting test: Replications [Replications Check,SERVER] A recent replication attempt failed: From FILE-SERVER to SERVER Naming Context: DC=ForestDnsZones,DC=icmcpk,DC=local The replication generated an error (1908): Could not find the domain controller for this domain. The failure occurred at 2012-05-04 14:07:13. The last success occurred at 2012-05-04 13:48:39. 1 failures have occurred since the last success. Kerberos Error. A KDC was not found to authenticate the call. Check that sufficient domain controllers are available. [Replications Check,SERVER] A recent replication attempt failed: From WDS-SERVER to SERVER Naming Context: DC=ForestDnsZones,DC=icmcpk,DC=local The replication generated an error (1908): Could not find the domain controller for this domain. The failure occurred at 2012-05-04 14:07:13. The last success occurred at 2012-05-04 13:48:39. 1 failures have occurred since the last success. Kerberos Error. A KDC was not found to authenticate the call. Check that sufficient domain controllers are available. [Replications Check,SERVER] A recent replication attempt failed: From FILE-SERVER to SERVER Naming Context: DC=DomainDnsZones,DC=icmcpk,DC=local The replication generated an error (1908): Could not find the domain controller for this domain. The failure occurred at 2012-05-04 14:07:13. The last success occurred at 2012-05-04 13:48:39. 1 failures have occurred since the last success. Kerberos Error. A KDC was not found to authenticate the call. Check that sufficient domain controllers are available. [Replications Check,SERVER] A recent replication attempt failed: From WDS-SERVER to SERVER Naming Context: DC=DomainDnsZones,DC=icmcpk,DC=local The replication generated an error (1908): Could not find the domain controller for this domain. The failure occurred at 2012-05-04 14:07:13. The last success occurred at 2012-05-04 13:48:39. 1 failures have occurred since the last success. Kerberos Error. A KDC was not found to authenticate the call. Check that sufficient domain controllers are available. [Replications Check,SERVER] A recent replication attempt failed: From FILE-SERVER to SERVER Naming Context: CN=Schema,CN=Configuration,DC=icmcpk,DC=local The replication generated an error (1908): Could not find the domain controller for this domain. The failure occurred at 2012-05-04 14:07:13. The last success occurred at 2012-05-04 13:48:39. 1 failures have occurred since the last success. Kerberos Error. A KDC was not found to authenticate the call. Check that sufficient domain controllers are available. [Replications Check,SERVER] A recent replication attempt failed: From WDS-SERVER to SERVER Naming Context: CN=Schema,CN=Configuration,DC=icmcpk,DC=local The replication generated an error (1908): Could not find the domain controller for this domain. The failure occurred at 2012-05-04 14:07:13. The last success occurred at 2012-05-04 13:48:39. 1 failures have occurred since the last success. Kerberos Error. A KDC was not found to authenticate the call. Check that sufficient domain controllers are available. [Replications Check,SERVER] A recent replication attempt failed: From WDS-SERVER to SERVER Naming Context: DC=icmcpk,DC=local The replication generated an error (1908): Could not find the domain controller for this domain. The failure occurred at 2012-05-04 14:07:13. The last success occurred at 2012-05-04 13:48:39. 1 failures have occurred since the last success. Kerberos Error. A KDC was not found to authenticate the call. Check that sufficient domain controllers are available. ......................... SERVER passed test Replications Starting test: NCSecDesc ......................... SERVER passed test NCSecDesc Starting test: NetLogons ......................... SERVER passed test NetLogons Starting test: Advertising ......................... SERVER passed test Advertising Starting test: KnowsOfRoleHolders ......................... SERVER passed test KnowsOfRoleHolders Starting test: RidManager ......................... SERVER passed test RidManager Starting test: MachineAccount ......................... SERVER passed test MachineAccount Starting test: Services ......................... SERVER passed test Services Starting test: ObjectsReplicated ......................... SERVER passed test ObjectsReplicated Starting test: frssysvol ......................... SERVER passed test frssysvol Starting test: frsevent There are warning or error events within the last 24 hours after the SYSVOL has been shared. Failing SYSVOL replication problems may cause Group Policy problems. ......................... SERVER failed test frsevent Starting test: kccevent ......................... SERVER passed test kccevent Starting test: systemlog An Error Event occured. EventID: 0x80001778 Time Generated: 05/04/2012 14:05:39 Event String: The previous system shutdown at 1:26:31 PM on An Error Event occured. EventID: 0x825A0011 Time Generated: 05/04/2012 14:07:45 (Event String could not be retrieved) An Error Event occured. EventID: 0x00000457 Time Generated: 05/04/2012 14:13:40 (Event String could not be retrieved) An Error Event occured. EventID: 0x00000457 Time Generated: 05/04/2012 14:14:25 (Event String could not be retrieved) An Error Event occured. EventID: 0x00000457 Time Generated: 05/04/2012 14:14:25 (Event String could not be retrieved) An Error Event occured. EventID: 0x00000457 Time Generated: 05/04/2012 14:14:38 (Event String could not be retrieved) An Error Event occured. EventID: 0xC1010020 Time Generated: 05/04/2012 14:16:14 Event String: Dependent Assembly Microsoft.VC80.MFCLOC could An Error Event occured. EventID: 0xC101003B Time Generated: 05/04/2012 14:16:14 Event String: Resolve Partial Assembly failed for An Error Event occured. EventID: 0xC101003B Time Generated: 05/04/2012 14:16:14 Event String: Generate Activation Context failed for An Error Event occured. EventID: 0xC1010020 Time Generated: 05/04/2012 14:16:14 Event String: Dependent Assembly Microsoft.VC80.MFCLOC could An Error Event occured. EventID: 0xC101003B Time Generated: 05/04/2012 14:16:14 Event String: Resolve Partial Assembly failed for An Error Event occured. EventID: 0xC101003B Time Generated: 05/04/2012 14:16:14 Event String: Generate Activation Context failed for An Error Event occured. EventID: 0x825A0011 Time Generated: 05/04/2012 14:22:57 (Event String could not be retrieved) An Error Event occured. EventID: 0xC1010020 Time Generated: 05/04/2012 14:22:59 Event String: Dependent Assembly Microsoft.VC80.MFCLOC could An Error Event occured. EventID: 0xC101003B Time Generated: 05/04/2012 14:22:59 Event String: Resolve Partial Assembly failed for An Error Event occured. EventID: 0xC101003B Time Generated: 05/04/2012 14:22:59 Event String: Generate Activation Context failed for An Error Event occured. EventID: 0xC1010020 Time Generated: 05/04/2012 14:22:59 Event String: Dependent Assembly Microsoft.VC80.MFCLOC could An Error Event occured. EventID: 0xC101003B Time Generated: 05/04/2012 14:22:59 Event String: Resolve Partial Assembly failed for An Error Event occured. EventID: 0xC101003B Time Generated: 05/04/2012 14:22:59 Event String: Generate Activation Context failed for ......................... SERVER failed test systemlog Starting test: VerifyReferences ......................... SERVER passed test VerifyReferences Running partition tests on : ForestDnsZones Starting test: CrossRefValidation ......................... ForestDnsZones passed test CrossRefValidation Starting test: CheckSDRefDom ......................... ForestDnsZones passed test CheckSDRefDom Running partition tests on : DomainDnsZones Starting test: CrossRefValidation ......................... DomainDnsZones passed test CrossRefValidation Starting test: CheckSDRefDom ......................... DomainDnsZones passed test CheckSDRefDom Running partition tests on : Schema Starting test: CrossRefValidation ......................... Schema passed test CrossRefValidation Starting test: CheckSDRefDom ......................... Schema passed test CheckSDRefDom Running partition tests on : Configuration Starting test: CrossRefValidation ......................... Configuration passed test CrossRefValidation Starting test: CheckSDRefDom ......................... Configuration passed test CheckSDRefDom Running partition tests on : icmcpk Starting test: CrossRefValidation ......................... icmcpk passed test CrossRefValidation Starting test: CheckSDRefDom ......................... icmcpk passed test CheckSDRefDom Running enterprise tests on : icmcpk.local Starting test: Intersite ......................... icmcpk.local passed test Intersite Starting test: FsmoCheck ......................... icmcpk.local passed test FsmoCheck ---------------------- File-Server ---------------------- C:\Users\Administrator.ICMCPK>dcdiag Directory Server Diagnosis Performing initial setup: Trying to find home server... Home Server = FILE-SERVER * Identified AD Forest. Done gathering initial info. Doing initial required tests Testing server: Default-First-Site-Name\FILE-SERVER Starting test: Connectivity ......................... FILE-SERVER passed test Connectivity Doing primary tests Testing server: Default-First-Site-Name\FILE-SERVER Starting test: Advertising Warning: DsGetDcName returned information for \\Server.icmcpk.local, when we were trying to reach FILE-SERVER. SERVER IS NOT RESPONDING or IS NOT CONSIDERED SUITABLE. ......................... FILE-SERVER failed test Advertising Starting test: FrsEvent ......................... FILE-SERVER passed test FrsEvent Starting test: DFSREvent ......................... FILE-SERVER passed test DFSREvent Starting test: SysVolCheck ......................... FILE-SERVER passed test SysVolCheck Starting test: KccEvent ......................... FILE-SERVER passed test KccEvent Starting test: KnowsOfRoleHolders ......................... FILE-SERVER passed test KnowsOfRoleHolders Starting test: MachineAccount ......................... FILE-SERVER passed test MachineAccount Starting test: NCSecDesc Error NT AUTHORITY\ENTERPRISE DOMAIN CONTROLLERS doesn't have Replicating Directory Changes In Filtered Set access rights for the naming context: DC=ForestDnsZones,DC=icmcpk,DC=local Error NT AUTHORITY\ENTERPRISE DOMAIN CONTROLLERS doesn't have Replicating Directory Changes In Filtered Set access rights for the naming context: DC=DomainDnsZones,DC=icmcpk,DC=local ......................... FILE-SERVER failed test NCSecDesc Starting test: NetLogons Unable to connect to the NETLOGON share! (\\FILE-SERVER\netlogon) [FILE-SERVER] An net use or LsaPolicy operation failed with error 67, The network name cannot be found.. ......................... FILE-SERVER failed test NetLogons Starting test: ObjectsReplicated ......................... FILE-SERVER passed test ObjectsReplicated Starting test: Replications ......................... FILE-SERVER passed test Replications Starting test: RidManager ......................... FILE-SERVER passed test RidManager Starting test: Services ......................... FILE-SERVER passed test Services Starting test: SystemLog An Error Event occurred. EventID: 0x00000469 Time Generated: 05/04/2012 14:01:10 Event String: The processing of Group Policy failed because of lack of network con nectivity to a domain controller. This may be a transient condition. A success m essage would be generated once the machine gets connected to the domain controll er and Group Policy has succesfully processed. If you do not see a success messa ge for several hours, then contact your administrator. An Warning Event occurred. EventID: 0x8000A001 Time Generated: 05/04/2012 14:07:11 Event String: The Security System could not establish a secured connection with th e server ldap/icmcpk.local/[email protected]. No authentication protocol was available. An Warning Event occurred. EventID: 0x00000BBC Time Generated: 05/04/2012 14:30:34 Event String: Windows Defender Real-Time Protection agent has detected changes. Mi crosoft recommends you analyze the software that made these changes for potentia l risks. You can use information about how these programs operate to choose whet her to allow them to run or remove them from your computer. Allow changes only if you trust the program or the software publisher. Windows Defender can't undo changes that you allow. An Warning Event occurred. EventID: 0x00000BBC Time Generated: 05/04/2012 14:30:36 Event String: Windows Defender Real-Time Protection agent has detected changes. Mi crosoft recommends you analyze the software that made these changes for potentia l risks. You can use information about how these programs operate to choose whet her to allow them to run or remove them from your computer. Allow changes only if you trust the program or the software publisher. Windows Defender can't undo changes that you allow. ......................... FILE-SERVER failed test SystemLog Starting test: VerifyReferences ......................... FILE-SERVER passed test VerifyReferences Running partition tests on : ForestDnsZones Starting test: CheckSDRefDom ......................... ForestDnsZones passed test CheckSDRefDom Starting test: CrossRefValidation ......................... ForestDnsZones passed test CrossRefValidation Running partition tests on : DomainDnsZones Starting test: CheckSDRefDom ......................... DomainDnsZones passed test CheckSDRefDom Starting test: CrossRefValidation ......................... DomainDnsZones passed test CrossRefValidation Running partition tests on : Schema Starting test: CheckSDRefDom ......................... Schema passed test CheckSDRefDom Starting test: CrossRefValidation ......................... Schema passed test CrossRefValidation Running partition tests on : Configuration Starting test: CheckSDRefDom ......................... Configuration passed test CheckSDRefDom Starting test: CrossRefValidation ......................... Configuration passed test CrossRefValidation Running partition tests on : icmcpk Starting test: CheckSDRefDom ......................... icmcpk passed test CheckSDRefDom Starting test: CrossRefValidation ......................... icmcpk passed test CrossRefValidation Running enterprise tests on : icmcpk.local Starting test: LocatorCheck ......................... icmcpk.local passed test LocatorCheck Starting test: Intersite ......................... icmcpk.local passed test Intersite --------------------- WDS-Server --------------------- C:\Users\Administrator.ICMCPK>dcdiag Directory Server Diagnosis Performing initial setup: Trying to find home server... Home Server = WDS-SERVER * Identified AD Forest. Done gathering initial info. Doing initial required tests Testing server: Default-First-Site-Name\WDS-SERVER Starting test: Connectivity ......................... WDS-SERVER passed test Connectivity Doing primary tests Testing server: Default-First-Site-Name\WDS-SERVER Starting test: Advertising Warning: DsGetDcName returned information for \\Server.icmcpk.local, when we were trying to reach WDS-SERVER. SERVER IS NOT RESPONDING or IS NOT CONSIDERED SUITABLE. ......................... WDS-SERVER failed test Advertising Starting test: FrsEvent There are warning or error events within the last 24 hours after the SYSVOL has been shared. Failing SYSVOL replication problems may cause Group Policy problems. ......................... WDS-SERVER passed test FrsEvent Starting test: DFSREvent ......................... WDS-SERVER passed test DFSREvent Starting test: SysVolCheck ......................... WDS-SERVER passed test SysVolCheck Starting test: KccEvent ......................... WDS-SERVER passed test KccEvent Starting test: KnowsOfRoleHolders ......................... WDS-SERVER passed test KnowsOfRoleHolders Starting test: MachineAccount ......................... WDS-SERVER passed test MachineAccount Starting test: NCSecDesc Error NT AUTHORITY\ENTERPRISE DOMAIN CONTROLLERS doesn't have Replicating Directory Changes In Filtered Set access rights for the naming context: DC=ForestDnsZones,DC=icmcpk,DC=local Error NT AUTHORITY\ENTERPRISE DOMAIN CONTROLLERS doesn't have Replicating Directory Changes In Filtered Set access rights for the naming context: DC=DomainDnsZones,DC=icmcpk,DC=local ......................... WDS-SERVER failed test NCSecDesc Starting test: NetLogons Unable to connect to the NETLOGON share! (\\WDS-SERVER\netlogon) [WDS-SERVER] An net use or LsaPolicy operation failed with error 67, The network name cannot be found.. ......................... WDS-SERVER failed test NetLogons Starting test: ObjectsReplicated ......................... WDS-SERVER passed test ObjectsReplicated Starting test: Replications ......................... WDS-SERVER passed test Replications Starting test: RidManager ......................... WDS-SERVER passed test RidManager Starting test: Services ......................... WDS-SERVER passed test Services Starting test: SystemLog An Error Event occurred. EventID: 0x0000041E Time Generated: 05/04/2012 14:02:55 Event String: The processing of Group Policy failed. Windows could not obtain the name of a domain controller. This could be caused by a name resolution failure. Verify your Domain Name Sysytem (DNS) is configured and working correctly. An Error Event occurred. EventID: 0x0000041E Time Generated: 05/04/2012 14:08:33 Event String: The processing of Group Policy failed. Windows could not obtain the name of a domain controller. This could be caused by a name resolution failure. Verify your Domain Name Sysytem (DNS) is configured and working correctly. ......................... WDS-SERVER failed test SystemLog Starting test: VerifyReferences ......................... WDS-SERVER passed test VerifyReferences Running partition tests on : ForestDnsZones Starting test: CheckSDRefDom ......................... ForestDnsZones passed test CheckSDRefDom Starting test: CrossRefValidation ......................... ForestDnsZones passed test CrossRefValidation Running partition tests on : DomainDnsZones Starting test: CheckSDRefDom ......................... DomainDnsZones passed test CheckSDRefDom Starting test: CrossRefValidation ......................... DomainDnsZones passed test CrossRefValidation Running partition tests on : Schema Starting test: CheckSDRefDom ......................... Schema passed test CheckSDRefDom Starting test: CrossRefValidation ......................... Schema passed test CrossRefValidation Running partition tests on : Configuration Starting test: CheckSDRefDom ......................... Configuration passed test CheckSDRefDom Starting test: CrossRefValidation ......................... Configuration passed test CrossRefValidation Running partition tests on : icmcpk Starting test: CheckSDRefDom ......................... icmcpk passed test CheckSDRefDom Starting test: CrossRefValidation ......................... icmcpk passed test CrossRefValidation Running enterprise tests on : icmcpk.local Starting test: LocatorCheck ......................... icmcpk.local passed test LocatorCheck Starting test: Intersite ......................... icmcpk.local passed test Intersite

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• TPROXY Not working with HAProxy, Ubuntu 14.04

  - by Nyxynyx

  I'm trying to use HAProxy as a fully transparent proxy using TPROXY in Ubuntu 14.04. HAProxy will be setup on the first server with eth1 111.111.250.250 and eth0 10.111.128.134. The single balanced server has eth1 and eth0 as well. eth1 is the public facing network interface while eth0 is for the private network which both servers are in. Problem: I'm able to connect to the balanced server's port 1234 directly (via eth1) but am not able to reach the balanced server via Haproxy port 1234 (which redirects to 1234 via eth0). Am I missing out something in this configuration? On the HAProxy server The current kernel is: Linux extremehash-lb2 3.13.0-24-generic #46-Ubuntu SMP Thu Apr 10 19:11:08 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux The kernel appears to have TPROXY support: # grep TPROXY /boot/config-3.13.0-24-generic CONFIG_NETFILTER_XT_TARGET_TPROXY=m HAProxy was compiled with TPROXY support: haproxy -vv HA-Proxy version 1.5.3 2014/07/25 Copyright 2000-2014 Willy Tarreau <[email protected]> Build options : TARGET = linux26 CPU = x86_64 CC = gcc CFLAGS = -g -fno-strict-aliasing OPTIONS = USE_LINUX_TPROXY=1 USE_LIBCRYPT=1 USE_STATIC_PCRE=1 Default settings : maxconn = 2000, bufsize = 16384, maxrewrite = 8192, maxpollevents = 200 Encrypted password support via crypt(3): yes Built without zlib support (USE_ZLIB not set) Compression algorithms supported : identity Built without OpenSSL support (USE_OPENSSL not set) Built with PCRE version : 8.31 2012-07-06 PCRE library supports JIT : no (USE_PCRE_JIT not set) Built with transparent proxy support using: IP_TRANSPARENT IPV6_TRANSPARENT IP_FREEBIND Available polling systems : epoll : pref=300, test result OK poll : pref=200, test result OK select : pref=150, test result OK Total: 3 (3 usable), will use epoll. In /etc/haproxy/haproxy.cfg, I've configured a port to have the following options: listen test1235 :1234 mode tcp option tcplog balance leastconn source 0.0.0.0 usesrc clientip server balanced1 10.111.163.76:1234 check inter 5s rise 2 fall 4 weight 4 On the balanced server In /etc/networking/interfaces I've set the gateway for eth0 to be the HAProxy box 10.111.128.134 and restarted networking. auto eth0 eth1 iface eth0 inet static address 111.111.250.250 netmask 255.255.224.0 gateway 111.131.224.1 dns-nameservers 8.8.4.4 8.8.8.8 209.244.0.3 iface eth1 inet static address 10.111.163.76 netmask 255.255.0.0 gateway 10.111.128.134 ip route gives: default via 111.111.224.1 dev eth0 10.111.0.0/16 dev eth1 proto kernel scope link src 10.111.163.76 111.111.224.0/19 dev eth0 proto kernel scope link src 111.111.250.250

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• Iptables config breaks Java + Elastic Search communication

  - by Agustin Lopez

  I am trying to set up a firewall for a server hosting a java app and ES. Both are on the same server and communicate to each other. The problem I am having is that my firewall configuration prevents java from connecting to ES. Not sure why really.... I have tried lot of stuff like opening the port range 9200:9400 to the server ip without any luck but from what I know all communication inside the server should be allowed with this configuration. The idea is that ES should not be accessible from outside but it should be accessible from this java app and ES uses the port range 9200:9400. This is my iptables script: echo -e Deleting rules for INPUT chain iptables -F INPUT echo -e Deleting rules for OUTPUT chain iptables -F OUTPUT echo -e Deleting rules for FORWARD chain iptables -F FORWARD echo -e Setting by default the drop policy on each chain iptables -P INPUT DROP iptables -P OUTPUT ACCEPT iptables -P FORWARD DROP echo -e Open all ports from/to localhost iptables -A INPUT -i lo -j ACCEPT echo -e Open SSH port 22 with brute force security iptables -A INPUT -p tcp -m tcp --dport 22 -m state --state NEW -m recent --set --name SSH --rsource iptables -A INPUT -p tcp -m tcp --dport 22 -m recent --rcheck --seconds 30 --hitcount 4 --rttl --name SSH --rsource -j REJECT --reject-with tcp-reset iptables -A INPUT -p tcp -m tcp --dport 22 -m recent --rcheck --seconds 30 --hitcount 3 --rttl --name SSH --rsource -j LOG --log-prefix "SSH brute force " iptables -A INPUT -p tcp -m tcp --dport 22 -m recent --update --seconds 30 --hitcount 3 --rttl --name SSH --rsource -j REJECT --reject-with tcp-reset iptables -A INPUT -p tcp -m tcp --dport 22 -j ACCEPT echo -e Open NGINX port 80 iptables -A INPUT -p tcp --dport 80 -j ACCEPT echo -e Open NGINX SSL port 443 iptables -A INPUT -p tcp --dport 443 -j ACCEPT echo -e Enable DNS iptables -A INPUT -p tcp -m tcp --sport 53 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT iptables -A INPUT -p udp -m udp --sport 53 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT And I get this in the java app when this config is in place: org.elasticsearch.cluster.block.ClusterBlockException: blocked by: [SERVICE_UNAVAILABLE/1/state not recovered / initialized];[SERVICE_UNAVAILABLE/2/no master]; at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:292) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1185) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:537) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:475) at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:304) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:300) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:195) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:700) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:760) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:482) at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:403) Do any of you see any problem with this configuration and ES? Thanks in advance

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• Ubuntu 12.04: apt-get "failed to fetch"; apt is trying to fetch via old static IP

  - by gabe

  Sample error: W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/precise-security/universe/i18n/Translation-en Unable to connect to 192.168.1.70:8118: Now this was working just fine until I changed the IP this morning. I have the server set to a static IP of 10.0.1.70 and for years it has been 192.168.1.70 - the IP apt-get is trying to use right now. I use privoxy and tor thus the 8118 port. Like I said it all worked until I changed the static IP from 192.168.1.70 to 10.0.1.70. I was forced to do so because of router issues. (Long and involved story, I didn't really want to change the IP because I know something like this would happen.) The setup for TOR/Privoxy requires that has you point Privoxy at TOR via 127.0.0.1:9050. Then point curl, etc to Privoxy via $HOME/.bashrc. Typically you would set the listen to IP for Privoxy to 127.0.0.1 but if you want it accessible to the rest of the LAN you set the IP to the server's LAN IP. Which I did a long time ago and was working fine until this morning. I have changed all instances of 192.168.1.70 to 10.0.1.70 in both /etc/privoxy/config and $HOME/.bashrc. What makes this really strange for me is that curl is working fine. I curl icanhazip.com and voila I get a new IP every 10 minutes or so. I curl CNN.com and I get the short but sweet permanently moved to www.cnn.com message I expect. Firefox works fine. Ping works fine. And I've tested all of this via Remote Desktop over my LAN. So the connection appears to be fine for everything except apt. I've also rebooted hoping that would clear 192.168.1.70 from apt. So the connection to the internet and DNS aren't an issue for these programs. And they are, as far as I can tell, using Privoxy/TOR just fine. The real irony here is that I've tried to open up Privoxy to go to Ubuntu's servers directly without going through TOR to speed up the downloads from Ubuntu (did this months ago). So somewhere that I have not been able to find, apt has stored the IP 192.168.1.70. And 192.168.1.70 is no longer valid. Thanks for the help

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• Multi-Role Domain Controllers for Small Offices (< 50 clients)

  - by kce

  Warning: I'm a Linux/*NIX admin so this is all new to me. I understand that it's not considered a good idea to have only a single domain controller, and that it is also probably a good idea for a domain controller to only do AD/DHCP/DNS (Here). We have two offices, location A with 30 users and location B with 10 users. Our two offices are separated by a WAN that is not particularly robust so I have be instructed that we need to have standalone services in each office. This means that according to "best practices" we will need to build a domain controller and a separate file server in each office. Again, I am not knowledgeable in the ways of Windows but this seems a little unnecessary for an organization of 40 users. People have commented that I could "get away with" running file services on the domain controller as long as the "load is light". That just seems to generate more questions than it answers. What constitutes light load? What are the potential consequences of mixing these roles? Ideally I would prefer to only have one physical machine at each location. The one in location A (the location with IT staff) can act as the primary domain controller and the one in the smaller office can act as the backup domain controller. If either domain controller fails we can still use the other one for authentication (albeit with some latency) and if the WAN connection fails each office still has access to their respective "local" domain controller. If the file services are ALSO run on each server (and synchronized with something like DFS), a similar arrangement in terms of redundancy can be had without having to purchase, build and install two additional separate servers. It's not that I'm adverse to that (well, any more adverse than I am to whole thing to begin with) but to my simple mind it just seems, well a bit overkill. I can definitely see the benefits of functional separation when we're talking larger organizations, but I need to consider the additional overhead too. None of this excludes having a DRP setup for the domain controller/s. I assume you can lose two domain controllers just as easily as one.

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• Emails from Google Apps to custom SMTP server delayed by 1 hour consistently

  - by vimalk

  The outgoing mails from Google Apps/Gmail to our own custom SMTP server are getting delayed by 1 hour consistently. mxtoolbox.com diagnostics of our custom SMTP server are looking OK. Our custom SMTP server is receiving emails from other sources (yahoo, hotmail etc.) on time. Looking at the SMTP logs show a delay in a google intermediate SMTP server. Received: by qwi2 with SMTP id 2so1989393qwi.3 for <[email protected]>; Thu, 27 Jan 2011 03:54:23 -0800 (PST) MIME-Version: 1.0 Received: by 10.224.19.203 with SMTP id c11mr1587082qab.170.1296125657457; Thu, 27 Jan 2011 02:54:17 -0800 (PST) This setup has been working fine for a year though our custom email server was missing a reverse DNS entry and SPF records. Thinking that this could be the cause of the issue, we added these entries a week ago. But the issue still persists. Here are are more details: We are using Google Apps to host our primary domain email (say: mydomain.com) The custom SMTP server (say: s1.mydomain.com) hosts our subdomain (say: sub.mydomain.com) This is how the email log looks from [email protected] to [email protected] Return-Path: [email protected] Received: from localhost.localdomain (LHLO s1.mydomain.com) (127.0.0.1) by s1.mydomain.com with LMTP; Thu, 27 Jan 2011 17:24:28 +0530 (IST) Received: from localhost (localhost.localdomain [127.0.0.1]) by s1.mydomain.com (Postfix) with ESMTP id 605116A6565 for <[email protected]>; Thu, 27 Jan 2011 17:24:28 +0530 (IST) X-Virus-Scanned: amavisd-new at sub.mydomain.com X-Spam-Flag: NO X-Spam-Score: 2.984 X-Spam-Level: ** X-Spam-Status: No, score=2.984 tagged_above=-10 required=6.6 t ests=[AWL=-0.337, BAYES_50=0.001, DNS_FROM_OPENWHOIS=1.13, FH_DATE_PAST_20XX=3.188, HTML_MESSAGE=0.001, HTML_OBFUSCATE_05_10=0.001, RCVD_IN_DNSWL_LOW=-1] autolearn=no Received: from s1.mydomain.com ([127.0.0.1]) by localhost (s1.mydomain.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id RBjF7Wwr44mP for <[email protected]>; Thu, 27 Jan 2011 17:24:24 +0530 (IST) Received: from mail-qw0-f44.google.com (mail-qw0-f44.google.com [209.85.216.44]) by s1.mydomain.com (Postfix) with ESMTP id BB5DE6A6512 for <[email protected]>; Thu, 27 Jan 2011 17:24:23 +0530 (IST) Received: by qwi2 with SMTP id 2so1989393qwi.3 for <[email protected]>; Thu, 27 Jan 2011 03:54:23 -0800 (PST) MIME-Version: 1.0 Received: by 10.224.19.203 with SMTP id c11mr1587082qab.170.1296125657457; Thu, 27 Jan 2011 02:54:17 -0800 (PST) Received: by 10.220.117.17 with HTTP; Thu, 27 Jan 2011 02:54:17 -0800 (PST) Date: Thu, 27 Jan 2011 16:24:17 +0530 Message-ID: <[email protected]> Subject: test : 16:24 From: X <[email protected]> To: [email protected] Content-Type: multipart/alternative; boundary=0015175cba2865a5fe049ad1c5cd We appreciate any help that could help solve this issue :)

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• Setting up a fileserver, some questions?

  - by Tanax

  Recently I've become very interested in setting up a fileserver, mostly for home usage but also because of the fact that I live in 2 places, I need to be able to access my files from both homes. I have already done some research into this but I am unclear about some things. My requirements are the following; Needs to work on both Mac and PC(only using Windows atm on PC but could be good if it supports more OS's to make it futureproof in case I need Linux or something else) Need to be able to set up a folder/drive/network space to act as a link to a certain folder on the fileserver All files should only be stored on the fileserver, e.g. no "shared" folders like in Dropbox where files are stored on the client computer Would prefer it if folders are password protected or that I can somehow specify what users can access the fileserver's shares Fileserver's OS most likely have to be Windows due to other factors outside of being just a fileserver I've already kinda figured out that I will need to set up a VPN so that I can access my fileserver from outside the local network. Probably going to use OpenVPN. Question 1: How would I go about to set up a VPN server so that I can connect to my local network at the fileserver's location? I know that since I'm on a dynamic IP I will have to get some sort of dynamic DNS server - I've already checked into this and I'm fairly sure I know how to fix that. I also know that I will have to forward the port OpenVPN uses in my router. Question 2: How would I actually share the folders on the fileserver so that I can access them on my other computers? I've researched into Samba but I'm uncertain if it needs to be run on a Linux OS. I know that the clients connecting to it can be Windows for example but can the Samba "server" be run on Windows? Also it appears that Samba shares a folder, meaning it works like Dropbox - I don't want that. So how would I share a folder in that case to make it work like I want it to? Sorry for the incredibly long question, I tried to structure it the best I could for easier read. Thanks in advance!

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• Setting up a fileserver, some questions?

  - by Tanax

  Recently I've become very interested in setting up a fileserver, mostly for home usage but also because of the fact that I live in 2 places, I need to be able to access my files from both homes. I have already done some research into this but I am unclear about some things. My requirements are the following; Needs to work on both Mac and PC(only using Windows atm on PC but could be good if it supports more OS's to make it futureproof in case I need Linux or something else) Need to be able to set up a folder/drive/network space to act as a link to a certain folder on the fileserver All files should only be stored on the fileserver, e.g. no "shared" folders like in Dropbox where files are stored on the client computer Would prefer it if folders are password protected or that I can somehow specify what users can access the fileserver's shares Fileserver's OS most likely have to be Windows due to other factors outside of being just a fileserver I've already kinda figured out that I will need to set up a VPN so that I can access my fileserver from outside the local network. Probably going to use OpenVPN. Question 1: How would I go about to set up a VPN server so that I can connect to my local network at the fileserver's location? I know that since I'm on a dynamic IP I will have to get some sort of dynamic DNS server - I've already checked into this and I'm fairly sure I know how to fix that. I also know that I will have to forward the port OpenVPN uses in my router. Question 2: How would I actually share the folders on the fileserver so that I can access them on my other computers? I've researched into Samba but I'm uncertain if it needs to be run on a Linux OS. I know that the clients connecting to it can be Windows for example but can the Samba "server" be run on Windows? Also it appears that Samba shares a folder, meaning it works like Dropbox - I don't want that. So how would I share a folder in that case to make it work like I want it to? Sorry for the incredibly long question, I tried to structure it the best I could for easier read. Thanks in advance!

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