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  • One vs. many domain user accounts in a server farm

    - by mjustin
    We are in a migration process of a group of related computers (Intranet servers, SQL, application servers of one application) to a new domain. In the past we used one domain user account for every computer (web1, web2, appserver1, appserver2, sql1, sqlbackup ...) to access central Windows resources like network shares. Every computer also has a local user account with the same name. I am not sure if this is necessary, or if it would be easier to configure and maintain to use one domain user account. Are there key advantages / disadvantages of having one single user account vs. dedicated accounts per computer for this group of background servers? If I am not wrong, one advantage besides easier administration of the user account could be that moving installed applications and services around between the computers does not require a check of the access rights anymore. (Except where IP addresses or ports are used)

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  • Ubuntu 11.10 firewall/gateway - no client internet access

    - by Siriss
    I have read many other posts but cannot figure this out. eth0 is my external connected to a Comcast modem. The server has internet access with no issues. eth1 is internal and running DHCP for the clients. I have DHCP working just fine, all my clients can get an IP and ping the server but they cannot access the internet. I am using ISC-DHCP-SERVER and have set /etc/default/isc-dhcp-server to INTERFACE="eht1" Here is my dhcpd.conf file located in /etc/dhcp/dhcpd.conf ddns-update-style interim; ignore client-updates; subnet 10.0.10.0 netmask 255.255.255.0 { range 10.0.10.10 10.0.10.200; option routers 10.0.10.2; option subnet-mask 255.255.255.0; option domain-name-servers 208.67.222.222, 208.67.220.220; #OpenDNS # option domain-name "example.com"; default-lease-time 21600; max-lease-time 43200; authoritative; } I have made the *net.ipv4.ip_forward=1* change in /etc/sysctl.conf here is my interfaces file: auto lo iface lo inet loopback auto eth0 iface eth0 inet dhcp iface eth1 inet static address 10.0.10.2 netmask 255.255.255.0 network 10.0.10.0 auto eth1 And finally- here is my iptables.conf file: # Firewall configuration written by system-config-firewall # Manual customization of this file is not recommended. *nat :PREROUTING ACCEPT [0:0] :OUTPUT ACCEPT [0:0] :POSTROUTING ACCEPT [0:0] -A POSTROUTING -s 10.0.10.0/24 -o eth0 -j MASQUERADE #-A PREROUTING -i eth0 -p tcp --dport 59668 -j DNAT --to-destination 10.0.10.2:59668 COMMIT *filter :INPUT ACCEPT [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [0:0] -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT -A INPUT -p icmp -j ACCEPT -A INPUT -i lo -j ACCEPT -A INPUT -i eth1 -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp --dport 80 -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp --dport 443 -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp --dport 53 -j ACCEPT -A INPUT -m state --state NEW -m udp -p udp --dport 53 -j ACCEPT -A FORWARD -s 10.0.10.0/24 -o eth0 -j ACCEPT -A FORWARD -d 10.0.10.0/24 -m state --state ESTABLISHED,RELATED -i eth0 -j ACCEPT -A FORWARD -p icmp -j ACCEPT -A FORWARD -i lo -j ACCEPT -A FORWARD -i eth1 -j ACCEPT #-A FORWARD -i eth0 -m state --state NEW -m tcp -p tcp -d 10.0.10.2 --dport 59668 -j ACCEPT -A INPUT -j REJECT --reject-with icmp-host-prohibited -A FORWARD -j REJECT --reject-with icmp-host-prohibited COMMIT I am completely stuck. I cannot figure out why the clients cannot access the internet. Am I missing a service? Is a service not running? Any help would be greatly appreciated. I tried to be as thorough as possible but please let me know if I have missed something. Thank you!

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  • Adding multiple websites with different SSL certificates in IIS 7

    - by Timka
    I'm having troubles using SSL for 2 different websites on my IIS 7 server. Please see my setup below: website1: my.corporate.portal.com SSL certificate for website1: *.corporate.portal.com https/443 binded to my.corporate.portal.com website2: client.portal.com SSL certificate issued for: client.portal.com When I try to bind https in IIS7 with the client's certificate, I don't have an option to put host name(grayed out) and as soon as I select 'client.portal.com' cert, I'm getting the following error in IIS: At least one other site is using the same HTTPS binding and the binding is configured with a different certificate. Are you sure that you want to reuse this HTTPS binding and reassign the other site or sites to use the new certificate? If I click 'yes' my.corporate.portal.com website stops using the proper SSL cert. Could you suggest something?

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  • How to configure what certificates can be issued using Web Enrollment in Windows Server 2008 R2 Enterprise?

    - by antik
    I have a CA installed on of my Windows Servers in a small farm of systems. I've installed the Certification Authority Web Enrollment and Certificate Enrollment Web Service roles on the CA. I want to issue a Computer certificate to a computer not jointed to my domain. The user attempting web enrollment has domain credentials. The user was able to navigate to https://myServerHostname/certsrv and request a User certificate successfully. However, the user needs a Computer cert as well. From the certsrv site, the user tried the following: Advanced Certificate Request Create and Submit a Request to this CA However, the Computer certificate template is not available under the Certificate Template heading. He is only seeing "User" and "Basic EFS". How do I configure the CA to allow him to request a Computer cert for his system?

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  • Do I need to recycle web server after modifying hgrc?

    - by slolife
    I have setup a Mercurial website in IIS7 using this tutorial: http://mercurial.selenic.com/wiki/HgWebInIisOnWindows I am slowly figuring out all of the options that I can tweak for the served repositories. But I'd like to know if and when I need to recycle the website process in order to pick up changes made to any of the repositories' hgrc files? Does the website pick up the changes on the next request or do I need to always recycle? Additionally, do I need to "restart" the website or run iisreset?

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  • How to get the IP Address for your Local Area Connection on Windows Server?

    - by Geo
    I want to create a batch or vbs file that will put together a url and executed. Part of that url needs to be the actual ip address of the machine. How I am able to get that IP address in a variable to include it on the script? EDIT 1: I found out that the command below will give me the IP Address, but still don't know how to get that value into a variable to use it in a script. c:\> wmic NICCONFIG WHERE IPEnabled=true GET IPAddress /format:csv Node,IPAddress IP-0AFB,{10.25.5.2}

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  • Windows FTP Client - Think Transmit for Mac

    - by richzilla
    Hi All, Im on the hunt for a decent FTP client for windows. Im looking for something that works in a similar way to transmit for mac. Features im looking for ideally would be the ability to synchronize files between local and server, and most interestingly, to mount an ftp server as a seperate drive. I know i can get individual programs to do each if those, but im looking for an all in one solution... Any ideas?

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  • What to have in sources.list on an Ubuntu LTS server (production)?

    - by nbr
    I have several Ubuntu 10.04 LTS servers in production and I'm using apticron to check that my software is up to date, security-wise. However, by default, Ubuntu has the lucid-updates repository enabled. This means lots of low-priority updates (such as this) that I don't need and thus, extra work for me. Is it okay to just remove the lucid-updates line(s) in sources.list? I still get security updates via lucid-security, right? So, this is what my sources.list would look like. deb http://se.archive.ubuntu.com/ubuntu/ lucid main restricted deb http://se.archive.ubuntu.com/ubuntu/ lucid universe deb http://security.ubuntu.com/ubuntu lucid-security main restricted deb http://security.ubuntu.com/ubuntu lucid-security universe

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  • Deploy EAR with Websphere Application Server wsadmin.bat without loosing security role-mapping?

    - by Tommy
    We're running CI towards our WAS with wsadmin.bat The applications are updated with this command $AdminApp update ${projectName}EAR app {-operation update -update.ignore.new -contents {${artifactsDir}/${projectName}-${buildVersion}.ear}} This causes all the "Security role to user/group mapping"-settings to reset, even though all the other settings are preserved with the -update.ignore.new Anyone know how to fix this?

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  • Weird nfs performance: 1 thread better than 8, 8 better than 2!

    - by Joe
    I'm trying to determine the cause of poor nfs performance between two Xen Virtual Machines (client & server) running on the same host. Specifically, the speed at which I can sequentially read a 1GB file on the client is much lower than what would be expected based on the measured network connection speed between the two VMs and the measured speed of reading the file directly on the server. The VMs are running Ubuntu 9.04 and the server is using the nfs-kernel-server package. According to various NFS tuning resources, changing the number of nfsd threads (in my case kernel threads) can affect performance. Usually this advice is framed in terms of increasing the number from the default of 8 on heavily-used servers. What I find in my current configuration: RPCNFSDCOUNT=8: (default): 13.5-30 seconds to cat a 1GB file on the client so 35-80MB/sec RPCNFSDCOUNT=16: 18s to cat the file 60MB/s RPCNFSDCOUNT=1: 8-9 seconds to cat the file (!!?!) 125MB/s RPCNFSDCOUNT=2: 87s to cat the file 12MB/s I should mention that the file I'm exporting is on a RevoDrive SSD mounted on the server using Xen's PCI-passthrough; on the server I can cat the file in under seconds ( 250MB/s). I am dropping caches on the client before each test. I don't really want to leave the server configured with just one thread as I'm guessing that won't work so well when there are multiple clients, but I might be misunderstanding how that works. I have repeated the tests a few times (changing the server config in between) and the results are fairly consistent. So my question is: why is the best performance with 1 thread? A few other things I have tried changing, to little or no effect: increasing the values of /proc/sys/net/ipv4/ipfrag_low_thresh and /proc/sys/net/ipv4/ipfrag_high_thresh to 512K, 1M from the default 192K,256K increasing the value of /proc/sys/net/core/rmem_default and /proc/sys/net/core/rmem_max to 1M from the default of 128K mounting with client options rsize=32768, wsize=32768 From the output of sar -d I understand that the actual read sizes going to the underlying device are rather small (<100 bytes) but this doesn't cause a problem when reading the file locally on the client. The RevoDrive actually exposes two "SATA" devices /dev/sda and /dev/sdb, then dmraid picks up a fakeRAID-0 striped across them which I have mounted to /mnt/ssd and then bind-mounted to /export/ssd. I've done local tests on my file using both locations and see the good performance mentioned above. If answers/comments ask for more details I will add them.

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  • Finding day of week in batch file? (Windows Server 2008)

    - by Daniel Magliola
    I have a process I run from a batch file, and i only want to run it on a certain day of the week. Is it possible to get the day of week? All the example I found, somehow rely on "date /t" to return "Friday, 12/11/2009", however, in my machine, "date /t" returns "12/11/2009". No weekday there. I've already checked the "regional settings" for my machine, and the long date format does include the weekday. The short date format doesn't, but i'd really rather not change that, since it'll affect a bunch of stuff I do. Any ideas here? Thanks! Daniel

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  • How do I install the latest Sun Java JRE on Ubuntu Server 9.10?

    - by blackrobot
    Unfortunately, if I try to install sun-java via apt-get, it's not found in the repositories. # apt-get install sun-java6-jre Reading package lists... Done Building dependency tree Reading state information... Done Package sun-java6-jre is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source E: Package sun-java6-jre has no installation candidate If I try to install it using the bin from Sun's website, here's the issue: # ./jre-6u18-linux-i586.bin (license agreement...) Do you agree to the above license terms? [yes or no] yes Unpacking... Checksumming... Extracting... ./jre-6u18-linux-i586.bin: 366: ./install.sfx.10648: not found Failed to extract the files. Please refer to the Troubleshooting section of the Installation Instructions on the download page for more information. Thanks for the help.

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  • Oracle: 1 Large Server vs. 2 Smaller Servers?

    - by nvahalik
    We are in the planning stages of setting up our production Oracle 10gR2 environment. Our budget gives us the ability to buy 2 processor licenses of Oracle DB Standard Edition. We have minimal experience with Oracle so I'll defer to anyone who has used it. We are trying to decide if we should set up a single dual quad-core box or 2 individual quad-core boxes in a RAC configuration. Our DB right now is about 60 GB, and at our peak, we'll have up to 150 concurrent users. Most of the big stuff is done via batch processing at night. My gut tells me that having 2 boxes in a RAC configuration can't be a bad thing because it provides a true hardware failover solution. DB stored in a shared LUN on a SAN via iSCSI. Plus if we ever need to add capacity, we already have boxes in place that can be upgraded with extra procs (I assume with zero downtime, since it's set up in a RAC config) if we add extra licenses, or RAM. Does RAC have any performance penalties? Will it add extra latency? Is there any true advantage for having dual processor boxes running these systems? If we build out the Oracle boxes with special hardware: hardware iSCSI cards, TOE NICs, will these boxes be solid? We are deploying on 64-bit Windows. So what would you do? One box or two?

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  • Remotely Managing Storage on Hyper-V 2012 Core

    - by Vazgen
    I have a core Hyper-V Server 2012 that I am remotely managing from a Windows 8 client. I can connect in Hyper-V Manager, Server Manager, and MMC. However, I don't understand how I can manage the physical hard drive (for ex, deleting vhdx files, creating folders, etc) from my Windows 8 client. I tried to attach the remote share as follows: q: \\MyServer\c$ It said command completed successfully, but I don't see the drive on my client's Explorer. I can get to it in cmd.exe on the client but how can I manage it in a GUI? explorer q: Throws error:

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  • migration of physical server to a virtual solution, what i have to do?

    - by bibarse
    Hello I'm new in this forum, so i would like that you forgive me for my blissfully and my low English level. I'm a trainee in company one month ago, and my mission is to migrate 3 physicals servers to a virtualization technology. The company edit softwares for E-learning so there are lots of data like videos, flash and compressed (zip). This is some inventory of the servers: OS: Debian, 2 redhat, apache, php/mysql, sendMail/Dovecot, webmin with virtualmin template to create dynamically the web sites because there is no sysadmin ... The future provider will be responsible of to secure, update and create the virtual machines (outsourcing) and with a RedHat OS's. So i want that you help me to choose a virtualisation technologie (for the i prefer KVM of Redhat RHEV, VMWare is expensive), how evaluate the hardware needs (this for evolution of 4 or 5 years) and to elaborate a good planing to don't forget any think. Thank you for your responses.

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  • Jabber client for windows 7

    - by Anders
    I am looking for a jabber client with some specific functions. I have spent 1½ day looking for one and it is getting tiresome. Clients that I have been using, that have what I need, but I am not interesting for a reason in are: Pidgin, does not show complete messages in their popups. Miranda IM, I have a constant disconnect issue that does not seem to be resolved in my case. What I need are: Popups A popup that shows broadcasts to users. A popup that show when my username is typed in a conference chat. I need to be able to view the full message in the popup. No configuration of a theme to make this enabled, or if there is a working theme for it already. Preferable placement is on the top right of the screen. Able to 'popup' when running full screen applications, much like games. Conferences Easy access to bookmarked conferences. I do not want to go through submenus to rejoin a disconnected or closed conference. If I close the conference window I want to be connected to the conference until I exit the client. Tabbed interface. Configuration Sober configurations, options are great but there is a limit and the above needs to be availble in the options in a understandable manner. What I wish for: MSN Not needed! If it is avaible then it is a big plus. Facebook Not needed! If it is avaible then it is a big plus. Conferences/chats Not needed! Eyecandy is always nice.

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  • Reinstallation or redeployment after hardware crash?

    - by HAY
    What is the best way to bring back the server online after hardware crash. I suppose image won't work after hardware change. So I like to know what is the fastest way to bring everything back. I've the following software running on the server: MSSQL IIS Custom Server Software FTP Server Then there is configuration: Registering asp.net 4.0 Configuration files for server software (these can be put back from backup) Configuration if windows firewall. Thanks in advance

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