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• Network Share unavailable after DNS Change

  - by Justin Largey

  Hi, I have a server, called Server1 with various network shares on it. Our users map to this share using \\Server1\FileShareName1. During a DR Test, we rerouted all network traffic from Server1 to Server21. All folder shares are set up on Server21. We were hoping the the network shares would still be accessible using \\Server1\FileNameShare1, unfortunately, they are not. Does anyone know why this is happening? This is a Win2003 Environment, and DNS was flushed. I confirmed that IP addresses are matching between the two servers. Any help or insight is much appreciated.

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• How to create launch icons on Ubuntu Desktop?

  - by MattSlay

  I installed Ubuntu in a VM using VirtualBox, and after a few hours of Googling all the things I had to install and configure for the rest of the environment, I am finally up and running with a Ruby on Rails IDE and have MySql up and running. After I start up the Ubuntu VM, I have to go to a terminal window and do this to start MySql: /etc/init.d/mysql start So that works fine, but, since I am such a GUI person, I’m wondering how I can create an icon on the Ubuntu Desktop that I can click on to launch this command. Can you tell me how to do that?

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• What do I put on my developers box in regard to SharePoint 2010

  - by Jisaak

  So we are venturing out into the world of SharePoint and it seems that I have to install SharePoint Server directly on each developer's box. Is this correct? I have SharePoint up and running on a separate sever so it seems redundant to have to install it on each box. Not to mention installing SharePoint on Windows 7 is a pain in the ars. I'm just trying to clarify how to correctly set the environment up. I've been using this link as a guide so far: http://msdn.microsoft.com/en-us/library/ee554869(office.14).aspx Any advice is greatly appreciated!

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• How to rewrite index.php (and other valid default files) to the document root using mod_rewrite?

  - by TMG

  Hello, I would like to redirect index.php, as well as any other valid default file (e.g. index.html, index.asp, etc.) to the document root (which contains index.php) with something like this: RewriteRule ^index\.(php|htm|html|asp|cfm|shtml|shtm)/?$ / [NC,L] However, this is of course giving me an infinite redirect loop. What's the right way to do this? If possible, I'd like to have this work in both the development and production environment, so I don't want to specify an explicit url like http://www.mysite.com/ as the target. Thanks!

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• How to find malformed - corrupted - dos - BOMByte Files in Linux

  - by Syquus

  I've several problems maintaining large production servers, in which some developers drop files from Windows environments, sometime with BOM-bytes (We use UTF8, and no need for that), causing lots of troubles. Other times, I got a "no end of line" and "[DOS]" labels when vim-editing files directly on the server. I recently discovered how to find for the bom byte, and how to delete it in a batch script. What about illegal bytes, bad EOLs? Is it safe to use DOS Text Files on a linux environment? Any drawbacks If I use to convert them with dos2unix cmd ? Regards

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• Why do mapped drives only reappear after logging out and back in, and not after a reboot?

  - by razumny

  I work in a corporate environment, where we use mostly Windows 7 Professional computers, though some legacy applications are still being run on Windows XP. We have security in place on the network not to allow access to network resources to computers that are not members of Active Directory. When logging in, our users get their home folder and a common network drive mapped to H: and F:, respectively. Sometimes, this does not happen, and the drives are not mapped. The solution is to have the user log off, and back in to Windows. If they reboot, the drives remain unmapped. Does anyone know why this may be?

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• SharePoint 2010 MySites - Host on separate servers

  - by Chris W

  We're playing with the SP 2010 Beta ahead of a planned deployment later this year in an academic environment. We anticipate that the majority of traffic will be through MySites when everything is provisioned so we're looking at how we can plan our SP topology to scale nicely. An initial thought is to run the main portal on one server, host "Student" MySites on one server and "Staff" on another. Is it acutally possible to do this easily or are we going down a bad path? Specifically - can we have 2 different MySites site collections, each hosted on a dedicated server? If so, can we configure SharePoint to work out from the users's logon account type of user they are and route them to the correct server?

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• freebsd dev server on virtualbox over windows

  - by g_kaya

  I need a unixy environment for development purposes. I hate doing things on windows but it is more stable for daily use and I don't have a mac, so I'm having to use windows (7). I want to run freebsd in a virtual machine, configure it to be the localhost server, be able to connect using ssh (within my home-network) and be able to install vbox guest addons. If guest additions aren't the best, I can use solaris or linux flavours. I need no gui. I don't know anything about network stuff, so I need a detailed explanation from vise people here, or a nice doc to read. Edit : To be more specific as requested, I use following on unices: *django 1.4 *apache *python (2.7) *emacs *mysql *probably node.js *bash scripting I use windows to be able to do daily things easily, like connecting to my tablet, browsing and learning java. And I don't want to use linux as my desktop os, beacuse it gets broken a lot, it's annoying to maintain wlan problems and some more.

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• Clone current host OS to a guest virtual machine.

  - by ProfKaos

  I would like to run a few repeated checks on a setup procedure I am documenting, to verify my document. I would like to somehow create a VM that replicates the environment on my machine, i.e. the host machine, onto a guest VM. Then I can use Windows' System Restore on the guest to start at the point before I commenced the setup procedure and repeat it as many times as required until no more trial-and-error etc. is required to supplement my document. I have Virtual PC and VirtualBox available to install as host environments, running on Windows 7 Professional.

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• SCCM 2012: How to properly update the content of an application?

  - by Omnomnomnom

  I recently set up a new SCCM 2012 environment at my workplace and now we are creating our applications for distribution. Some applications are set up using a script. When during testing, something was not right and the content of the application needs to be changed. The distribution point keeps on serving the old content to the clients. I was wondering what the proper procedure is for updating the DP's when the content of an application changes. I have tried redistributing to the distribution points and deleting old revisions but to no avail.

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• Best practice for administering a (hadoop) cluster

  - by Alex

  Dear all, I've recently been playing with Hadoop. I have a six node cluster up and running - with HDFS, and having run a number of MapRed jobs. So far, so good. However I'm now looking to do this more systematically and with a larger number of nodes. Our base system is Ubuntu and the current setup has been administered using apt (to install the correct java runtime) and ssh/scp (to propagate out the various conf files). This is clearly not scalable over time. Does anyone have any experience of good systems for administering (possibly slightly heterogenous: different disk sizes, different numbers of cpus on each node) hadoop clusters automagically? I would consider diskless boot - but imagine that with a large cluster, getting the cluster up and running might be bottle-necked on the machine serving the OS. Or some form of distributed debian apt to keep the machines native environment synchronised? And how do people successfully manage the conf files over a number of (potentially heterogenous) machines? Thanks very much in advance, Alex

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• Automated VLAN creation with residential Wireless devices

  - by Zephyr Pellerin

  We've got a few WRT devices from Linksys here, and the issue has arisen to deploy them in a relatively small environment, However, in the interest of manageability we'd like to be able to automatically VLAN (ideally NOT subnet) every user from one another. It seems obvious to me that the default firmware isn't capable of this - can OpenWRT/Tomato/DD-WRT support any sort of functionality such that new users are automatically VLANed or otherwise logically separated from other users? It seems like there's an easy IPtables or PF solution here, but I've been wrong before. (If that seemed a little ambiguous, heres an example) User 1 sends DHCP request to server, new VLAN (We'll call VLAN 1) is created, user is placed in that VLAN. Then, user 2 sends a DHCP request and is placed in VLAN 2 etc. etc.

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• How to set/keep directory permissions?

  - by Dylan

  I'm using CwRsync to connect from my Windows development machine to a linux webserver : rsync -avuz -e ./ssh --exclude=".svn" /cygdrive/c/xampp/htdocs/project123/ [email protected]:/home/user123/public_html This syncs my development project directory nicely and fast to the server. But after doing this, all directory properties are reset to the local user user123 only, so the website is not available anymore. I need to manually reset those properties. Why is this happening, and how to prevent it? PS. coming from a Windows environment I'm having a really hard time understanding rsync. I copied the above command from some examples... just need to get this one small thing working too...

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• How to make a secure MongoDB server?

  - by Earlz

  Hello, I'm wanting my website to use MongoDB as it's datastore. I've used MongoDB in my development environment with no worries, but I'm worried about security with a public server. My server is a VPS running Arch Linux. The web application will also be running on it, so it only needs to accept connections from localhost. And no other users(by ssh or otherwise) will have direct access to my server. What should I do to secure my instance of MongoDB?

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• I'm trying to setup Xvfb to run an GUI app on a remote server with no display

  - by jz87

  I have a 3rd party java app that I need to run on a remote server. Unfortunately, the app is designed for the desktop and assumes a GUI is available. The thing is I would like to leave this app running on the remote server without having to tie up my desktop machine with a persistent VNC connection to the remote machine. I'm trying to setup Xvfb on the remote machine so emulate a graphical environment, connect to the remote machine via VNC to launch the app and configure parameters and then log off and let it run. Here's what I have so far: I have ubuntu 11.04 server apt-get install xvfb apt-get install fluxbox apt-get install x11vnc Xvfb :1 -screen 0 1024x768x16 & fluxbox & At this point I run into a problem because it gives a very undescriptive error: Cannot connect to server. How do I know if the server is running and that it's running properly?

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• How to configure installed Ruby and gems?

  - by NARKOZ

  My current gem env returns: RubyGems Environment: - RUBYGEMS VERSION: 1.3.6 - RUBY VERSION: 1.8.7 (2008-08-11 patchlevel 72) [x86_64-linux] - INSTALLATION DIRECTORY: /home/USERNAME/.gems - RUBYGEMS PREFIX: /home/narkoz - RUBY EXECUTABLE: /usr/bin/ruby1.8 - EXECUTABLE DIRECTORY: /home/USERNAME/.gems/bin - RUBYGEMS PLATFORMS: - ruby - x86_64-linux - GEM PATHS: - /home/USERNAME/.gems - /usr/lib/ruby/gems/1.8 - GEM CONFIGURATION: - :update_sources => true - :verbose => true - :benchmark => false - :backtrace => false - :bulk_threshold => 1000 - "gempath" => ["/home/USERNAME/.gems", "/usr/lib/ruby/gems/1.8"] - "gemhome" => "/home/USERNAME/.gems" - REMOTE SOURCES: - http://rubygems.org/ How can I change path /home/USERNAME/ to my own without uninstalling? OS: Debian Linux

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• What is your approach to draw a representation of your network ?

  - by Kartoch

  Hello, I'm looking to the community to see how people are drawing their networks, i.e. using symbols to represent complex topology. You can have hardware approach, where every hardware unit are represented. You can also have "entity" approach, where each "service" is shown. Both are interesting but it is difficult to have both on the same schema (but this is needed, especially using virtualization environment). Furthermore, it is difficult to have complex informations on such representation. For instance security parameters (encrypted link, need for authentication) or specific details (protocol type, ports, encapsulation). So my question is: where your are drawing a representation of your network, what is your approach ? Are you using methodology and/or specific softwares ? What is your recommendations for information to put (or not) ? How to deal with the complexity when the network becomes large and/or you want to put a lot of information on it ? Examples and links to good references will be appreciated.

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• MySQL server hangs after approximately 1 month (CentOS)

  - by user25061

  Hey guys, I've got a web server running Apache/PHP and MySQL (CentOS), and MySQL seems to hang once every month or so. As far as I can tell, there are a few slow queries that are being resolved, but other than that I can't really see any reason why MySQL would hang. I'm having problems determining the problem - nothing is showing up in /var/log/mysqld.log, and again there are a few slow queries, but nothing out of the ordinary. Load is average at the time of the crashes... Can I please get some hints on how to work out the issue? I can't reproduce on our staging environment, so I'm a little stuck.

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• How to move mail accounts when migrating webhosting

  - by pkswatch

  I am migrating my website abc.com from one webhosting company to another in a shared hosting environment. Both have cpanel. And the second hosting account i am preparing to move is my multi-domain hosting account with 3 domains already in it. The problem is, i have many email accounts associated with my website abc.com, which are accessed using webmail. So if i move it to the other host, will i lose all those accounts and their emails? If yes, then how should i synchronise the email accounts so that all the accounts and the contained emails remain intact? I saw some several sync tools like IMAP Sync, etc. But these require two hosts while synchronizing, and as you see, i have just one domain name to be synchronized over 2 servers. PS, i do not have any ssh access on either of them, and i have made complete backup of all files using backup wizard in cpanel.

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• SharePoint Session Management - which SQL Server option?

  - by frumious

  We're developing some custom web parts for our WSS 3 intranet, and have just run into something we'd like to use ASP.NET sessions for. This isn't currently enabled on the development server. We'd like to use SQL Server as the storage mechanism, because the production environment is a web farm with very simple load-balancing. There are 3 options you can choose from to set up the SQL Server session storage, tempdb, default separate DB, named DB. Both tempdb and default separate DB create a new DB to store certain information in; tempdb stores the actual session info in tempdb, which doesn't survive a reboot, and default separate DB stores everything in the new DB. Since you've got to create the new DB either way, my question is this: why would you ever choose to store the session info in tempdb? The only thing I can think of is if you'd like to have the ability to wipe the session by rebooting the server, but that seems quite apocalyptic!

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• Is it a good idea to take onsite/offsite backups of server images?

  - by ServerAdminGuy45

  Assuming a non-virtualized environment it a good idea to take actual images of servers (using something like Acronis True Image) and store them on\off site? Backing up data is great but I feel it would be good to have copies of OS images in the event hardware dies or an upgrade gets botched I can always revert back. What would be your recommended way to do this (preferably using a NAS and an online backup service)? I was talking with the Iron Mountain folks and the service they described is more geared toward taking incremental snapshots of data. I'm not sure if there's a way to backup images in an incremental way such that only the changes between them are saved (that way I'm not wasting X GB each time I take an image).

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• Map localhost to IP address on Windows XP & Internet Explorer 7+?

  - by roblocop

  I'm trying to map 'localhost' to an IP address elsewhere on the network, say '10.0.1.1' for example. I've tried editing my hosts file, changing the entry from: 127.0.0.1 localhost to 10.0.1.1 localhost with no luck. The closest I've gotten is using DNS spoofing via Charles. Adding a DNS spoof entry mapping the host name 'localhost' to '10.0.1.1' works fine in Firefox, but fails in Internet Explorer, basically showing IE's 404 page. I'm wondering if there's some specific setting or way I can get DNS spoofing to work in IE? The main issue I'm trying to resolve is that our development environment points to 'localhost' and rather than setting the dev env up in a legacy Windows laptop to try and debug, point to a server that has it all setup and I can make the changes remotely.

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• How can I "shadow" the filesystem on Linux?

  - by happy_emi

  On a Linux environment sometimes I need to run a script as root which will add/modify serveral files on my fs. Basically I'd like to know exactly which files are modified and how WITHOUT opening the script and trying to guess the code. I was thinking about using something like unionfs: the main fs would be accessible in readonly mode and all changes are written on a file used as a partition and "mounted" in write mode. Are there other ways to achieve the same goal (i.e. other than unionfs)?

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• Set up a "relay" service

  - by trikks

  Hi! I'm trying to create a 'left client' server < 'right client' setup but need some advice and tips. Let's say that I have a server-daemon on the left side, like a vnc-server that connects to the middle server. On the right side I've got a client that want to connect to the left server-daemon, but it has to be done through the middle server. I assume this should be done with some tunneling service. The server environment is a fully featured Debian Linux or Mac OS X Server host. Any idéas? Thanks / Trikks

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• Windows server 2003SP2 as LDAP replica master for Mac OSX 10.6

  - by FrancoR

  Hello there, we have a single domain controller with Windows 2003 with few child. All the users are in the main DC. We have already created a connection from AD to Mac Xserve 10.6 and can read all the users, but: 1. If the DC goes down (or the net), Mac lose all the users, so no file access, no emails, no nothing. 2. the users are in read only. Mac admin cannot reset password, change attribute and so on. What we need is a stable environment where both AD admins and LDAP admins can manage the users; if one server goes offline the users of the other server should work (email, shared folders) just fine. Thanks in advance P.S. we already tried to connect the MacOSX to Windows LDAP, instead of AD, but we're unable to do it: MacOSX requires DNS IP (gotcha), user admin and password (ok) and a root LDAP password we're unable to find any reference of it in Windows 2003.

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