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  • How to deal with the extremely big *.ost files in a Terminal Server environment which is running out of space

    - by Wolfgang Kuehne
    Our Terminal Server is running out of hard disk space, and the major files which occupy most of the space are *.ost files of the Outook, which come form the users which use the Terminal Server all the time through remote desktop. The Outlook is installed on the Terminal Server and various users can use it. What would be a solution in this case. Is there a way to limit the size of the *.ost files? I read in forums that having the Outlook 2010 set up in Cached Exchange Mode isn't the best practice for an environment where the hdd space is a major constraint. First thing that came to my mind is using folder redirection, and place the ost files (together with the AppData forlder) in a network share, but this does not help, because the ost files are saved a part of the AppData folder which can not be redirected. Then I thought if it is possible to limit the size of the ost file? Or limit the time that it keeps emailed cached, say just emails from the last 6 months are sufficient. Another solutions that came to my mind, moving the ost files somewhere else, this required the old ost file to be removed, and creation of a new one. I am not quite sure if the new OST file will still have cached the emails which where available in the old ost, or will it start caching from where the other one left. What do you suggest?

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  • Error upgrading Ubuntu server from Intrepid to Jaunty

    - by Martin
    I'm trying to upgrade an old ubuntu server from 8.10 (Intrepid) to 9.04 (Jaunty). But it fails. root@server1:/# do-release-upgrade Checking for a new ubuntu release Failed Upgrade tool signature Failed Upgrade tool Done downloading extracting 'jaunty.tar.gz' Failed to extract Extracting the upgrade failed. There may be a problem with the network or with the server. Does anyone have an idea why I get this error and how to fix it? UPDATE: I think i might have tracked the problem down. My /etc/update-manager/meta-release looks like this: [METARELEASE] URI = http://changelogs.ubuntu.com/meta-release URI_LTS = http://changelogs.ubuntu.com/meta-release-lts URI_UNSTABLE_POSTFIX = -development URI_PROPOSED_POSTFIX = -proposed If i go to http://changelogs.ubuntu.com/meta-release it has this info for Jaunty: Dist: jaunty Name: Jaunty Jackalope Version: 9.04 Date: Thu, 23 Apr 2009 12:00:00 UTC Supported: 0 Description: This is the 9.04 release Release-File: http://archive.ubuntu.com/ubuntu/dists/jaunty/Release ReleaseNotes: http://changelogs.ubuntu.com/EOLReleaseAnnouncement UpgradeTool: http://archive.ubuntu.com/ubuntu/dists/jaunty-proposed/main/dist-upgrader-all/0.111.8/jaunty.tar.gz UpgradeToolSignature: http://archive.ubuntu.com/ubuntu/dists/jaunty-proposed/main/dist-upgrader-all/0.111.8/jaunty.tar.gz.gpg Those links starting with archive.ubuntu.com are broken since jaunty is EOL. I guess i could fix this by copying this file, replacing "archive" with "old-releases", host the modified file somewhere and change the url in the meta-release file. Is this a good solution or will it make me run into worse problems?

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  • virtualisation with kvm: export services from guest to the host

    - by ascobol
    Hello, I would like to export some services from the guest os to the host os, via kvm, and by the same way learn some things about networking. I have tried the following commands: In the host (kubuntu 10.4): $ sudo tunctl -u ascobol Set 'tap0' persistent and owned by uid 2401 $ sudo ifconfig tap0 192.168.2.1 netmask 255.255.255.0 broadcast 192.168.2.255 The ifconfig command returns: $ /sbin/ifconfig tap0 Link encap:Ethernet HWaddr 3e:4e:e3:cc:bc:92 inet addr:192.168.2.1 Bcast:192.168.2.255 Mask:255.255.255.0 inet6 addr: fe80::3c4e:e3ff:fecc:bc92/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:17 overruns:0 carrier:0 collisions:0 txqueuelen:500 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) $ route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 192.168.2.0 0.0.0.0 255.255.255.0 U 0 0 0 tap0 Then I run the virtual machine (ubuntu server 10.4): $ sudo kvm -hda ubuntuserver104.qcow2 -net nic -net tap,name=tap0,script=no (I'm using sudo because without it fails with the following message:) warning: could not configure /dev/net/tun: no virtual network emulation With sudo the virtual machine boots, I just get this message: pci_add_option_rom: failed to find romfile "pxe-rtl8139.bin" In the virtual machine: $ ifconfig eth0 192.168.2.2 netmask 255.255.255.0 broadcast 192.168.2.255 Now if I run: $ ssh 192.168.2.2 I just get a No route to host What is wrong with this setup ? Thanks !

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  • CentOS tftp server is broken

    - by Mike Pennington
    I'm trying to run tftpd from xinetd on CentOS 6; however, I can only tftp from localhost. I have a file in /opt/tftpboot/fw.test.conf that I can retrieve if I tftp to localhost: [mpenning@localhost ~]$ tftp localhost tftp> get fw.test.conf tftp> quit [mpenning@localhost ~]$ ls fw.test.conf [mpenning@localhost ~]$ However, I cannot receive this file if I tftp to eth1 on this server (the address on eth1 is 172.16.1.4). [mpenning@localhost ~]$ sudo tshark -i eth1 udp and host 172.16.1.5 Running as user "root" and group "root". This could be dangerous. Capturing on eth1 0.000000 172.16.1.5 -> 172.16.1.4 TFTP Read Request, File: fw.test.conf\000, Transfer type: netascii\000 5.000133 172.16.1.5 -> 172.16.1.4 TFTP Read Request, File: fw.test.conf\000, Transfer type: netascii\000 10.000184 172.16.1.5 -> 172.16.1.4 TFTP Read Request, File: fw.test.conf\000, Transfer type: netascii\000 15.000297 172.16.1.5 -> 172.16.1.4 TFTP Read Request, File: fw.test.conf\000, Transfer type: netascii\000 20.000331 172.16.1.5 -> 172.16.1.4 TFTP Read Request, File: fw.test.conf\000, Transfer type: netascii\000 ^C5 packets captured [mpenning@localhost ~]$ I have the following xinetd configuration: [root@localhost mpenning]# cat /etc/xinetd.d/tftp # default: off # description: The tftp server serves files using the trivial file transfer \ # protocol. The tftp protocol is often used to boot diskless \ # workstations, download configuration files to network-aware printers, \ # and to start the installation process for some operating systems. service tftp { socket_type = dgram protocol = udp wait = yes user = root server = /usr/sbin/in.tftpd server_args = -s /opt/tftpboot disable = no per_source = 11 cps = 100 2 flags = IPv4 } [root@localhost mpenning]#

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  • How to backup a NAS drive to a USB drive?

    - by Tim Murphy
    How would you backup 600+ GB of data on a NAS (Network-Attached Storage) drive to a USB external drive? The NAS drive does not contain mission critical data nonetheless I wish to make weekly copies of it just in case. The NAS drive is almost exclusively used as an archive dump and is rarely updated. However the backup strategy used must have a simple restore procedure so I can confidently say the data now on the NAS drive is exactly how it was at the time of backup. I did try xcopy but seemed like it would take many-many hours and eventually crashed with insufficient memory. http://www.ctunion.com/node/114 suggests I would need to use xxcopy instead due to folder/file name lengths. My concern with xcopy/xxcopy is the length of time it takes. Hoping something else is faster. NAS drive is DLink DNS-313. 1TB drive installed. Connected to router via Ethernet cable. USB drive is Seagate 1TB. Can be connected to Windows Vista (preferred) or Windows 7 PCs. Both PCs are usually connected Wirelessly however ethernet cable can be used during backup to speed up the process.

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  • Lenovo S110 netbook screen resolution Ubuntu

    - by Neigyl R. Noval
    I am still stuck with 800x600 resolution. Here is the output of lspci: 00:00.0 Host bridge: Intel Corporation Device 0bf2 (rev 03) 00:02.0 VGA compatible controller: Intel Corporation Device 0be2 (rev 09) 00:1b.0 Audio device: Intel Corporation N10/ICH 7 Family High Definition Audio Controller (rev 02) 00:1c.0 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 1 (rev 02) 00:1c.1 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 2 (rev 02) 00:1c.2 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 3 (rev 02) 00:1d.0 USB Controller: Intel Corporation N10/ICH7 Family USB UHCI Controller #1 (rev 02) 00:1d.1 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #2 (rev 02) 00:1d.2 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #3 (rev 02) 00:1d.3 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #4 (rev 02) 00:1d.7 USB Controller: Intel Corporation N10/ICH 7 Family USB2 EHCI Controller (rev 02) 00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev e2) 00:1f.0 ISA bridge: Intel Corporation NM10 Family LPC Controller (rev 02) 00:1f.2 SATA controller: Intel Corporation N10/ICH7 Family SATA AHCI Controller (rev 02) 00:1f.3 SMBus: Intel Corporation N10/ICH 7 Family SMBus Controller (rev 02) 01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 05) 02:00.0 Network controller: Realtek Semiconductor Co., Ltd. Device 8176 (rev 01) Also, I tried modifying /usr/lib/X11/xorg.conf.d/10-monitor.conf to fix this problem, but still does not work: Section "Monitor" Identifier "Monitor0" VendorName "Monitor Vendor" ModelName "Monitor Model" EndSection Section "Screen" Identifier "Screen0" Monitor "Monitor0" Device "Card0" SubSection "Display" Viewport 0 0 Depth 1 Modes "1024x768" EndSubSection SubSection "Display" Viewport 0 0 Depth 4 Modes "1024x768" EndSubSection SubSection "Display" Viewport 0 0 Depth 8 Modes "1024x768" EndSubSection SubSection "Display" Viewport 0 0 Depth 15 Modes "1024x768" EndSubSection SubSection "Display" Viewport 0 0 Depth 16 Modes "1024x768" EndSubSection SubSection "Display" Viewport 0 0 Depth 24 Modes "1024x768" EndSubSection EndSection Section "Device" Identifier "Card0" Driver "vesa" VendorName "Intel Corporation Device" EndSection I'm using Gnome. System Preference Monitor screen resolution sticks to 800x600. What am I going to do?

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  • FTP Server on Centos 5.8 - Transfer fails randomly

    - by Diego
    Hi have ProFTPD runningon a brand new CentOS 5.8 server with Plesk, and its behaviour is inconsistent at best. I tried to transfer a directory from my PC, and every time I get a transfer failed on a random file. It's never the same one that fails, it just fails. Sometimes it's a .gif, sometimes it's a .css, sometimes it's a JPG. Of several hundred files, a dozen is always failing for no apparent reason. The error that I get is the following: COMMAND:> [27/11/2012 11:43:52] STOR main_border.gif [27/11/2012 11:43:53] 500 Invalid command: try being more creative ERROR:> [27/11/2012 11:43:53] Syntax error: command unrecognized. The above is just an example, the "command unrecognized" occurs with LIST and other commands as well. Here's the ProFTPD configuration, just in case: ServerName "ProFTPD" #ServerType standalone ServerType inetd DefaultServer on <Global> DefaultRoot ~ psacln AllowOverwrite on </Global> DefaultTransferMode binary UseFtpUsers on TimesGMT off SetEnv TZ :/etc/localtime Port 21 Umask 022 MaxInstances 30 ScoreboardFile /var/run/proftpd/scoreboard TransferLog /usr/local/psa/var/log/xferlog #Change default group for new files and directories in vhosts dir to psacln <Directory /var/www/vhosts> GroupOwner psacln </Directory> # Enable PAM authentication AuthPAM on AuthPAMConfig proftpd IdentLookups off UseReverseDNS off AuthGroupFile /etc/group Include /etc/proftpd.include Note: file /etc/proftpd.include is blank. The above is the default configuration set by Plesk 11. I don't know much of why is that way, my knowledge of Linux System Administration is very basic and the one of ProFTPD is a complete zero. Thanks in advance for the help. Update Issue experienced with CuteFTP and FileZilla. Update Replaced ProFTPd with PureFTPd, issue persists. Sometimes I get "command unrecognized", sometimes "failed to establish data connection". I'm starting to think that it could be a network issue, but I have completely zero knowledge of networking.

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  • Cisco QoS Guidance

    - by Kyle Brandt
    I have a 10M connection to the internet that is hooked into a 100M port. I am getting started with QoS, and am hopping for a little guidance on setting it up on a Cisco 3825 router. Right now I am going forward with the idea that I have to implement it on my router, and the provider can't provide QoS for me. How I envision it working is that the QoS will drop or queue packets on my router and that will help prevent a situation where the provider has to start dropping a lot of packets. Right now all I am tasked with is making sure that one of the 3 LANs gets a certain slice (say 3M for Gig Lan1) of the 10M internet connection (But ideally this will be more flexible in the Future). 10M Internet on 100M port on HWIC-4ESW +-----------------------+ | | Gig Lan1 | Cisco 3825 | Lan3 on HWIC-4ESW | | +-----------------------+ Gig Lan2 I need to learn more about QoS, but having a target technology and maybe example configuration will help me wrap my head around the reading I am doing a little more. Which Cisco QoS Technology do you recommend for this particular situation? Have a basic sample config of how this might work? Right now the 10M line is not congested, so this more to have something in place in case it starts to become mildly congested in the future. I do have VOIP at one location connected to this one over the Internet that goes through a VPN tunnel. Everything else that is between this location and other offices is on a separate MPLS network.

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  • Can't remove route from routing table

    - by anon
    (I am on Windows Server 2003.) I see a couple of unusual entries in my routing table that I would like to remove: Network Destination Netmask Gateway Interface Metric XXX.27.44.1 255.255.255.255 127.0.0.1 127.0.0.1 20 XXX.27.255.255 255.255.255.255 XXX.27.44.1 XXX.27.44.1 20 All the "XXX"'s are the same octet. I would strongly prefer NOT to clear the routing table, since this is a production server. Here is what I've tried: route delete XXX.27.44.1 The route specified was not found. route delete XXX.27.44.1 mask 255.255.255.255 127.0.0.1 metric 20 The route specified was not found. route delete XXX.27.255.255 The route specified was not found. route delete XXX.27.255.255 mask 255.255.255.255 XXX.27.44.1 metric 20 The route specified was not found. I also tried adding the routes in hopes that I could delete them: route add XXX.27.44.1 mask 255.255.255.255 127.0.0.1 metric 20 The route addition failed: The parameter is incorrect. route add XXX.27.255.255 mask 255.255.255.255 XXX.27.44.1 metric 20 The route addition failed: The parameter is incorrect. Bonus question: What do these entries do, and how did they get there?

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  • Apache2 slow serving static while healthy

    - by user45339
    My Apache status looks like; 201 requests/sec - 98.8 kB/second - 504 B/request 85 requests currently being processed, 345 idle workers _____CCW_C_____C__C__C_R____C_WC_________C__C____CW__C__CCC_____ __C____W______C___C___CW__C_C______C__W_C__C_____CCC____C______R CC_C_______C___C____C______________C______C__C________________C_ ___________________C______________________C_______C___C_____C___ CC____C__C___R_____C_C_CC__________C___C___________R____C_C_C___ ______C______W_W__W___C____________________C__WCC__R__R_C_______ R__RC________________________C___R____W__C____.................. .................................................... Server load is average 2 on a 4 core machine. IO utilization is 10-15% and doesn't have many jumps over 70%. Machine has almost 4 gb free and uses 0 swap. The site on the machine is a PHP site. All PHP code is optimized and fast mostly when it gets accessed, however sometimes requests get stuck. Stuck meaning; no response for at least 10 sec. We debugged the PHP code, but it is quite optimal and fast. We spend a lot of time on it until we decided to test the requesting of: <html><body>test</body></html> test.html page. This static resource also gets 'stuck' in the same manner the php pages get 'stuck'. How is the possible given the health of the system? I tested the network, but, when the PHP shows 'slowness' in the site monitoring, the html test files also take (far longer) than 10 sec to load using; time lynx -dump http://127.0.0.1/test.html We are kind of desperate to solve this problem, but we cannot seem to tackle it.

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  • NTOP gives warnings on startup

    - by FR6
    I just installed ntop 1.4.4 and when I start it, it give me infinite warnings "packet truncated": ... RRD_DEBUG: umask 0066 RRD_DEBUG: DirPerms 0700 THREADMGMT: RRD: Started thread (t2992630672) for data collection THREADMGMT[t2992630672]: RRD: Data collection thread starting [p30923] INIT: Created pid file (/var/run/ntop.pid) THREADMGMT[t3086329552]: ntop RUNSTATE: INITNONROOT(3) Now running as requested user 'nobody' (99:99) Note: Reporting device initally set to 0 [eth0] (merged) THREADMGMT[t3086329552]: ntop RUNSTATE: RUN(4) THREADMGMT[t2982140816]: NPS(1): Started thread for network packet sniffing [eth0] THREADMGMT[t2982140816]: NPS(eth0): pcapDispatch thread starting [p30923] THREADMGMT[t2982140816]: NPS(eth0): pcapDispatch thread running [p30923] THREADMGMT[t3047009168]: SIH: Idle host scan thread running [p30923] THREADMGMT[t3057499024]: SFP: Fingerprint scan thread running [p30923] **WARNING** packet truncated (8814->8232) **WARNING** packet truncated (10274->8232) **WARNING** packet truncated (8814->8232) **WARNING** packet truncated (8814->8232) ... Do I need to configure something? I tried to access the web interface (http://localhost:3000) but it does not work. Note: I'm on CentOS. EDIT: Not sure if it helps but there is my "ifconfig": eth0 Link encap:Ethernet HWaddr 00:16:76:BC:7E:77 inet addr:192.168.0.221 Bcast:192.168.0.255 Mask:255.255.255.0 inet6 addr: fe80::216:76ff:febc:7e77/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:15496640 errors:0 dropped:0 overruns:0 frame:0 TX packets:19256813 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:836230629 (797.4 MiB) TX bytes:608496148 (580.3 MiB) Memory:dffe0000-e0000000

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  • Using radvd to advertise ipv6 over VPN connection using DD-wrt

    - by Sean Madden
    My ultimate goal is to allow VPN users to have access to my internal IPv6 network from across the intertubes. I've got a linksys WRT54GSv2 running DD-WRTv24SP1 and have configured the little guy as specified here http://www.dd-wrt.com/wiki/index.php/IPv6 and it works wonderfully over the br0 interface (LAN/WLAN bridge). Here's the issue though, when I add an additional interface to the radvd config file on the router (specifically ppp0, for the VPN traffic), radvd refuses to start. The kicker is that on DDWRT, it doesn't give an error message, it just fails outright. Any suggestions on where to proceed from here? /jffs/radvd.conf: interface br0 { AdvSendAdvert on; prefix 0:0:0:1::/64 { AdvOnLink on; AdvAutonomous on; }; }; interface ppp0 { AdvSendAdvert on; prefix 0:0:0:1::/64 { AdvOnLink on; AdvAutonomous on; }; }; The documentation I've found for radvd is slim, but if anyone has a decent idea on how to proceed I'd love to hear it.

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  • PFSense VPN Routing

    - by SvrGuy
    We use PFSense firewalls at three installations with the following LAN networks: 1.) Datacenter #1: 10.0.0.0/16 2.) Datacenter #2: 10.1.0.0/16 3.) HQ: 10.2.0.0/16 All of these locations are linked via an IPSEC tunnel that works properly. Hosts in any of the above networks can communicate with hosts in any other of the above networks. Now, for our laptops etc. we established a road warrior network 10.3.0.0/16 and have implemented OpenVPN to link the laptops etc. to Datacenter #1. This works great too, so our laptops can connect and communicate with any host in Datacenter #1 (anything on 10.0.0.0/16) The problem is the laptops can't communicate with any hosts that Datacenter #1 can reach by its IPSEC tunnel to Datacenter #2 (and/or the HQ for that matter). Does anyone know what to do configuration wise on the PFSense box in Datacenter #1 to configure to route packets received on the OpenVPN tunnel to Datacenter #2 over the IPSEC tunnel? It could be a setting on the OpenVPN or some sort of static route or some such. Any ideas?

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  • DNS issue for internal website routing internet connection from remote location

    - by Michael Paul
    I have an issue that I could use some help with. Our company has a main location and a remote location. Previously, the remote location was connected to the main location through an internet connection VPN tunnel. The connection was pitifully slow at 1.5Mbps, so we upgraded it with a 75Mbps direct link. That meant the remote location lost it's internet access, so we routed their access through the main office internet connection. Everything works perfect except for one thing. The website we host is not accessible from the remote location unless the IP address is used. If I do NSLOOKUP on our website address from a machine connected to the main location network, it resolves correctly to the inside IP address. However, if I do the same from a remote location machine, it resolves to the website's outside IP address. Our internal DNS server(s) have a pointer and CNAME records set up, and everything was working perfectly before the connection was upgraded. In addition, the remote location has a domain controller, DNS server and DHCP server to service these requests at the remote location and prevent these requests from getting routed back and forth over the link. So I think was it happening is that for some reason the DNS server at the remote location is not resolving our website name correctly and passing the requests on to the routers, which then push the request out to the internet DNS system. That resolves the name to our external IP. This is purely a DNS issue, everything else works just fine. I am just stumped on this one. Any ideas on how to fix this? Edit: I forgot to mention that at the remote side of the link is a Cisco ASA-5505 and at the main office there is a Cisco ASA-5510. The link is connected between these 2 devices and the routing is handled in the 5510. Thanks, Michael

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  • Mac OS X - configuring ntpd server with on LAN with D-Link DIR-655

    - by Mark C
    Hey all, This question is pretty specific, but I hope someone will have seen this error elsewhere. I a configuring a machine running OS X 10.5.8 to be an NTP server for machines connected to a LAN that is not connected to the Internet. I am not too worried about knowing the "right" time on all the machines, but rather worried about making sure everyone has the same notion of time. I configured the NTP daemon on Mac by turning on the Set date and time automatically in System Preferences, using the server's clock, 127.127.1.0 as the reference clock. I figured I should see if the server can NTP query itself before proceeding to the clients. The weird part is when I run the ntpq -p command in a command-prompt when connected to my D-Link DIR-655 (firmware: 1.33), it hangs for about a minute or so each time before finally giving me some output. I thought the problem might have to do with Port Forwarding, so I configured the router to forward port 123 for the IP of the server, but that did not improve the situation. When I run the ntpq -p command on my school's network, on a Linksys WRT54G router, or with the wireless Airport card turned off - I have absolutely no problems - the command returns a response instantly. Is this normal? I can see why a query might take a minute or so, but I don't understand why one router does it faster than the other. I tried messing around with the ntp.conf file adding the burst, minpoll, and maxpoll options: server 127.127.1.0 burst minpoll 4 maxpoll 5 Figuring that perhaps I am polling too often and the configuration file is slowing me down, but even with this, the ntpq still hangs on the D-Link DIR-655, but does just fine on the other routers. Any thoughts on where the lag is coming from or if the lag is even a problem?

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  • Migrateing to Windows Server 2008 R2 Domain Controllers - a few Questions/Issues

    - by Chris
    Ok so here's our setup: We have 2 Windows2k3 Domain Controllers. I am trying to replace them with Windows 2008 R2. The Win2k3 servers are DC01 and DC02. The Windows2k8 servers are DC1 and DC2. I prepared the Windows Server 2003 Forest Schema for a Domain Controller That Runs Windows Server 2008 or Windows Server 2008 R2. Then with both of the new servers up as member servers I dcpromo'd DC1 using the advanced option and added it successfully to my exisiting domain. Roles are GC, DNS and Active Directory Domain Services.I transferred The PDC, RID pool manager and Infrastructure master FSMO to the new DC.(DC1) The Schema master and Domain naming master are still on the old DC (DC01). The first issue I'm encountering is when i dcpromo the second DC (DC2) and select "Replicate data over the network from and existing domain controller" I select the new DC to replicate from (DC1) I get the following error: "Failed to identify the requested replica partner (dc1.xxx.org) as a valid domain controller with a machine account for (DC2$). This is likely due to either the machine account not being replicated to this domain controller because of replication latency or the domain controller not advertising the Active Directory Domain Services. Please consider retrying the operation with \dc01.xxx.org as the replica partner. "The server is unwilling to process the request." Is this because the Schema master and Domain naming master roles are still on the old DC (DC01)? And if so, if I transfer Schema master and Domain naming master roles to DC1 what is the risk or breaking my AD? I'm a little paranoid because this process HAS to be transparent. ANY down time or interruption will result in me getting a verbal ass kicking from my I.T. Director. Both of the new servers DNS point the the old DNS servers (DC01 and DC02) not themselves by the way. Thanks in Advance -Chris

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  • Add IPv6 support to DirectAdmin server

    - by George Boot
    I just set up an new DirectAdmin, and I want to prepare it for IPv6 use. My ISP have gave me an range of IPv6 addresses that I can use. Lets say that address is 2a01:7c8:**:1f::. My neworkadapter user DHCP to resolves its IP-addresses. When i type ifoncig eth0 I get the following result: eth0 Link encap:Ethernet HWaddr 52:**:**:**:ce:f3 inet addr:37.**.**.44 Bcast:37.**.**.255 Mask:255.255.255.0 inet6 addr: 2a01:7c8:****:1f::/64 Scope:Global inet6 addr: fe80::5054:ff:fe87:cef3/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:38941 errors:0 dropped:0 overruns:0 frame:0 TX packets:29439 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:3779534 (3.6 MiB) TX bytes:5089379 (4.8 MiB) As you can see, I have an IPv6 address set, but I can't ping6 an IPv6 host. I get the error: connect: Network is unreachable. I decided that I needed an gateway, so I tryed to add one: ip -6 route add default via 2a01:7c8:****::1 dev eth0 (2a01:7c8:**::1 is the gateway of my ISP). But it trows an error: RTNETLINK answers: No route to host. Does somebody know what to do, and how to solve this issue? Thanks a lot!

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  • Microsoft , Hotmail , Live , MSN, Outlook , unable to send emails and no support received from microsoft in 3 months we are trying asking for that

    - by bombastic
    Ok this is somenthing unbelievable, we have a website, users sign up and receives links to confirm they signed up BUT: 1 - microsoft blocked our IP (no one with microsoft email account can receive our emails) 2 - we tryed contacting microsoft submitting the detailed form about our problem 3 - we posted 3 times in their community about our problem 4 - we tweeted they about our problem 5 - we tryed finding out some telephone support number (the few there are arent' helping at all) Do you think we solved? the answer is NO :/ We still unable to send emails from our IP to microsoft email accounts, since 3 months back. Our emails are perfect we checked all the email headers following microsoft guidelines but it seems not enought, checking our IP reputation it seems everythings ok, indeed we can send email easly to any other provider , gmail, yahoo, etc Do you know any other way to try to get help ? FULL STACK ERROR FROM MICROSOFT: host mx1.hotmail.com[65.55.37.120] said: 550 SC-001 (COL0-MC4-F28) Unfortunately, messages from 94.23.***** weren't sent. Please contact your Internet service provider since part of their network is on our block list. You can also refer your provider to http://mail.live.com/mail/troubleshooting.aspx#errors. (in reply to MAIL FROM command) We are running a Virtual Private Server , so no HOSTING SITE, using NGINX too

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  • Should I upgrade to Symantec Endpoint Protection?

    - by Alex C.
    I'm the IT manager at an animal shelter in Upstate New York. We have a Windows network with about 50 desktops running Windows XP Pro. We used to use CA eTrust Antivirus, but that product didn't work too well (too many infections got through). About six months ago, we switched to using Symantec Antivirus Corporate Edition ver. 10.1.8.8000. If anything, the Symantec product is even worse. The last six weeks in particular have been very bad -- we've had about seven or eight PCs get hit with those malware infections that masquerade as antivirus software. In most of those cases, Symantec didn't even flag the malware at all. So... what gives with the Symantec Antivirus? As far as I can tell, it's installed correctly and downloading updated definitions nightly. I can upgrade to Symantec Endpoint Protection for $220 (we get non-profit pricing), but I don't want to do it if it's not going to be significantly better. Any advice? Should I switch to something else entirely? Thanks!

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  • Are same IP address with different submask unique?

    - by xEnOn
    In a same block of IPv4 addresses, can there be same IPs with different submasks? For example, can I have this: 180.70.65.140/26 180.70.65.140/25 180.70.65.140/24 All the 3 addresses above have the same numbers but different subnet mask. Are all the 3 addresses distinct of their own? In other words, 180.70.65.140/25 belongs to User A, 180.70.65.140/25 belongs to User B and 180.70.65.140/24 belongs to User C? After applying the submask, their network addresses look like this: 180.70.65.140/26 --> 180.70.65.128/26 180.70.65.140/25 --> 180.70.65.128/25 180.70.65.140/24 --> 180.70.65.0/24 If the addresses are recognised uniquely, how is it so? How would each of the these addresses being recognised to be unique? I am thinking like once I have 180.70.65.140/26, I can't reuse the same numbers of 180.70.65.140 again but since classless is meant to increase the number of IP addresses, it would do much if I can't reuse.

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  • Swap static public IPs without creating DNS conflicts?

    - by Jakobud
    Our ISP is Comcast and we have 5 static public IPs from them that we use for various services, including customers connecting to our network, VPN, web, DNS, etc... We need more IP addresses from Comcast. Unfortunately, Comcast is telling us that they can't just simply give us 5 more addresses. They only give static IP addresses in blocks of 1, 5 or 13. In order for us to get more static IPs, they have to take away our current 5 static IPs and give us 13 new ones. How do we make this transition without causing all sorts of DNS chaos? We run public DNS servers, so we can make the DNS changes ourselves, but it will take some time obviously for those DNS changes to propagate throughout the internet. Are there any easy ways to make this transition? Like create some type of fallback DNS entry or something? Surely there must be some sort of procedure for this kind of thing. The Comcast support guy was useless.

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  • can't backup to a NAS drive as offline schedule task

    - by imageng
    I have seen this problem issue discussed in several forums including this one, but could not find a solution. On MS server 2003 I configured a Backup task, the target backup is on a NAS disc (Seagate BlackArmor NAS 110). The backup task is working well as a scheduled task or by a direct command, when I am logged on. It is not working when the user is offline (in this case - Administrator). I already tried the following actions: 1) addressing to the target as network drive (Y:location..), 2)Using UNC instead, 3) making the drive a domain member (the NAS admin S/W allows to define itself as a domain member) The result log message for 1 and 2 is: "The operation was not performed because the specified media cannot be found." The result log message for 3 is empty file. The schedule task "RUN" command is: C:\WINDOWS\system32\ntbackup.exe backup "@C:\Documents and Settings\Administrator\Local Settings\Application Data\Microsoft\Windows NT\NTBackup\data\de-board.bks" /a /d "Set created 2/14/2010 at 5:10 PM" /v:yes /r:no /rs:no /hc:off /m incremental /j "de-board" /l:s /f "\10.0.0.8\public\Backups\IBMServer\de-board.bkf" 10.0.0.8 is the static IP of the NAS. "Run only if logged on" is NOT marked. Password of the administrator user is set. It is obvious that there is no access to the NAS when the user is logged-out. Do you have any idea how can I solve it? Thanks

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  • Video output vanishes and it isn't the video card... suggestions?

    - by Ira Baxter
    I have a high-end dual processor Dell workstation that operated for several years without problem. Recently, the video output has gone flaky, in the sense that after 2-3 days, it loses synch with the monitor (sometimes you can still see a hashed-mess of the what you expect to see on the screen). Poking at the keyboard, and accessing the file system on the machine from over the network, indicates that the machine is running fine and its just the video. A reboot fixes the problem... for another day or two. This in effect makes the machine unusable. So, I replaced the video card with an exact duplicate bought from e-bay. (I checked after the dupe arrived to be sure, yep, same model number). I still get the same behavior. So unless I believe that both video cards are broken the same way, I have to beleive this is a problem with the motherboard/power supply, neither of which I am inclined to replace. The only other possibility I can think of is a Windows update to the graphics driver. How would I check for this? Anybody had a similar problem? Otherwise we're junking what used to be a perfectly good machine. (Another couple of hours of more wasted effort and that's it in terms of economics anyway).

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  • HAproxy with MySQL Master-Master Replication incredibly slow

    - by Yayap
    I have two MySQL servers in multi-master mode, with an HAproxy machine for simple load balancing/redundancy. When I am connected to one of the servers directly and try to update about 100,000 entries, it is completed including replication in about half a minute. When connecting through the proxy it takes usually over three whole minutes. Is it normal to have that type of latency? Is something amiss with my proxy configuration (included below)? This is getting really frustrating as I assumed the proxy would do some sort of load balancing, or at least have little to no overhead. #--------------------------------------------------------------------- # Example configuration for a possible web application. See the # full configuration options online. # # http://haproxy.1wt.eu/download/1.4/doc/configuration.txt # #--------------------------------------------------------------------- #--------------------------------------------------------------------- # Global settings #--------------------------------------------------------------------- global # to have these messages end up in /var/log/haproxy.log you will # need to: # # 1) configure syslog to accept network log events. This is done # by adding the '-r' option to the SYSLOGD_OPTIONS in # /etc/sysconfig/syslog # # 2) configure local2 events to go to the /var/log/haproxy.log # file. A line like the following can be added to # /etc/sysconfig/syslog # # local2.* /var/log/haproxy.log # log 127.0.0.1 local2 # chroot /var/lib/haproxy # pidfile /var/run/haproxy.pid maxconn 4096 user haproxy group haproxy daemon #debug #quiet # turn on stats unix socket stats socket /var/lib/haproxy/stats #--------------------------------------------------------------------- # common defaults that all the 'listen' and 'backend' sections will # use if not designated in their block #--------------------------------------------------------------------- defaults mode tcp log global #option tcplog option dontlognull option tcp-smart-accept option tcp-smart-connect #option http-server-close #option forwardfor except 127.0.0.0/8 #option redispatch retries 3 #timeout http-request 10s #timeout queue 1m timeout connect 400 timeout client 500 timeout server 300 #timeout http-keep-alive 10s #timeout check 10s maxconn 2000 listen mysql-cluster 0.0.0.0:3306 mode tcp balance roundrobin option tcpka option httpchk server db01 192.168.15.118:3306 weight 1 inter 1s rise 1 fall 1 server db02 192.168.15.119:3306 weight 1 inter 1s rise 1 fall 1

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  • sharing a folder between linux and windows over the internet

    - by valya
    Hello Currently my job is to make websites with Django. I use many things like virtualenv, PIL, etc. The problem is, I can't stand Linux on my desktop. I like it on servers, It's greate to use it over the SSH. But for desktop? No way. But for the development Linux is quite essential. Of course almost everything is ported to Windows, but it's not as simple to use as in Linux. For example, Windows shell is awful in comparison with Linux. So I've tried Cygwin, but it's too damn slow. Every time django dev server reloads, it tooks almost 20-30 seconds. In comparison, then using "native" python on Windows or Linux, it reloads instantly. Even worse, Cygwin makes all my system very slow. I've been thinking about it and have thought up a way to go. I can share a folder with my application with some Linux box. The devserver and everything will run on that box, while I'll be happy editing files and running the browser on my Windows 7. SSH shell is much quickier and handy than Cygwin. Currently there are no Linux boxes in my home network (except for my android phone :) but I have several VDS boxes with Debian. So, how do I share a Windows folder with VDS box? I can't rely on my desktop IP but I can rely on the VDS's one. I need sharing to be as quick as possible (well, 2-3 seconds ping is OK) and "native" for both systems, so I could use a folder like a normal folder in both Windows and Linux.

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