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• Toolkit & Habits for Linux Network & System Administration [closed]

  - by slashmais

  I am tasked with the administration of a small office network as well as several workstations running mostly Debian and Ubuntu. There are two servers: one database & print-server, and one backup & file server. Being relatively new to this side of things, knowing enough to help myself to some degree on Linux, I would like to know what software tools and tasks/habits I can use/acquire to learn this field and be effective while doings so. I don't need to know what is the best, just what a newbie sys-admin can use as a starter-pack to learn and use as a base to grow into proper system administration. [edit] What I need is those few basic tools to start with, and the kind of things I need to do regularly, e.g.: which logs to check, when & what to monitor, the kind of 'right' place to start and to which I can ad as I need.

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• Simple web-frontend for remote svn administration?

  - by Stefan Lasiewski

  We run a SVN repository. Some of our more advanced users need to be able to perform some SVN administration without relying on the system administrator. They need to be able to do things like create SVN repositories, delete SVN repositories,, and perform commands like 'svnadmin dump' and 'svnadmin load'. We'd like to avoid SSH access on these FreeBSD machines, and would rather provide a service interface through a Web UI. I'm looking for a simple script (or a small number of scripts) which use Perl or PHP. I found svnadmin or svnadmin.pl, but was hoping to find something with a larger user community or which has been recommended by others. It looks like Trac allows SVN administration, but comes with may more features then we need.

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• SQL Server 2008 lincensing question relating to web servers

  - by Matty Brown

  We purchased SQL Server 2008 Standard licences last year under the server + device CAL licencing model. Since our server has 2 physical CPUs and only 46 clients, this option was by far the cheapest. Now we'd like to be able to query a small number of stored procedures from our Windows Server 2003 Web Edition server, which is in a seperate zone on our firewall. I think SQL Server 2008 Web Edition could be an option to us, but is it possible to replicate/mirror stored procedures and tables to such a server and would we be breaking any rules by doing so? Is this a form of multiplexing? Also, would replication/mirroring work both ways, if we were to want to write back data from the web server?

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• How to convert eps file to a large jpeg image

  - by Anand

  Hello, I am using Linux. I want to convert an eps file to jpeg file. I find that I can use "convert" command. However, the resulting image looks very small. I want to enlarge the jpeg file by -resize option. It seems not to work. The resulting image is a pure black one. Do anyone has the same problem? Here are more details: 1: if I use convert -scale 1000x1000 your.eps your.jpg the resulting image looks like a low quality image. The eps vector image is not scaled properly. 2: if I use convert -geometry 300% your.eps your.jpg I get a pure black image. Here is my phf file: 2shared.com/document/RXl2Be-g/askquestions.html and my eps file: 2shared.com/file/qrmwKegj/askquestions.html Thank you very much for your help!

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• How do I get my server to recognise a change in users?

  - by Gareth

  I'm new in post running a small charity. As a result I've inherited a system from the previous manager that was poorly run. In my enthusiasm to change login details etc. I appear to have killed my microsoft outlook account. When trying to access outlook it prompts me for my user name, domain name and password - which I'm obviously not filling in correctly because it's not accepting my answers. Is there a way to determine that information from the server side? I have access to the server and the staff computers.

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• Samba4 advice for production use

  - by pgb

  I have an old Samba 3 + LDAP server installed that needs to be rebuilt. I'm weighting my options, and Windows Server seems too expensive at the moment, and Samba 4 appeared to be a nice option, coupled with the last Bind 9 that can dynamically add the computers to the DNS. I have about 30 workstations, so I still consider it a small network. My questions are: Is Samba 4 stable enough for production? It seems as if the Samba team is too cautious on when to call their version final, or even beta, as compared with other open source projects. What Linux distribution would you recommend to set it up? I usually use Ubuntu Server, but may use another one if installing / maintaining Samba 4 is better on that one.

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• Could a too low voltage during long periods damage my computer fan?

  - by Sopalajo de Arrierez

  Computer fans use to run at 12Volt, but most as for today they allow 9Volt or even less to slow down the fan speed (RPM, Revolutions Per Minute). In cases of too low voltage, the fan stops, but I can see it "trying to start again". For example: my Tacens 9dB fan stops at about 10 Volts, but to start it again, 10.5Volt is not enough, and the engine tries to move the fan (I can see a small movement as an "attempt" to move) each 1-5 seconds, but it does not succees, so the fan keeps at 0 RPM. Maybe that "attempt" to move could damage the internal engine of the fan when it last for hours or days?

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• How to deploy SQL Server 2005 Reporting Services on a network without a domain server?

  - by ti

  I have a small Windows network (~30 machines) and I need to deploy SQL Server 2005 Reporting Services. Because I use SQL Server Standard Edition and not Enterprise, I am forced to use Windows Authentication to the users. I am a Linux admin, and have near zero knowledge on Active Directory. As deep as my shallow knowledge goes, I think that I would need to invest in a domain server, a mirrored backup of that domain server. I think that I need to change every computer to use this domain too, and if the domain server goes down, every computer will be unavailable. Is there a easier way to deploy Windows Authentication so that users can access Reporting Services from their computers without changing the infra-structure that much? Thanks!

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• SolidWorks ratio issue with printing in landscape

  - by jamiemmp

  We run SolidWorks 2010 on XP. On one workstation when printing to the plotter in a 1:1 ratio in landscape mode it's off by small increments. He needs to adjust manually from 1:1 to 1:1.009 (for example) in order to correctly print 1:1. The increments by which it's off varies from drawing to drawing. None of the other workstations have this issue. All five of the workstations have the same settings and all print to one networked plotter. Three out of five have the same graphics card. Scale to fit is not checked. I read this site often, but this is the first time I've posted. I'm hoping someone here has run across this before. Thanks.

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• MSDeploy - possible to call setAcl on multiple destinations in one go?

  - by growse

  I'm building a nice little continuous integration environment for our development team, based on TeamCity. It's working rather nicely, as it can build a mix of .NET and PHP projects, and push them to our internal and external platforms. I'm primarily using MsDeploy to push everything to the internal platform, as that's all IIS based. However, there's a number of builds where I need to set directory permissions on the destination directory. I can use the setAcl operator just fine, but that only seems to take a single destination as an argument. Therefore, if I need to alter the permissions on 5 destination directories, I need to call MsDeploy 5 times, which seems a lot of overhead. Is there a sensible way around this? Reading the documentation, I don't think MsDeploy takes more than a single argument for the setAcl operator, but could be wrong. Is there a better way for a build server to set multiple directory permissions in one go?

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• VMware Virtual vCenter and High Availability

  - by rufo

  To continue with this question: Should be Vmware vCenter server high available? According to the response there even if vCenter is down HA will continue to work. So, if my vCenter is a VM, using the express sql edition in the same VM, and that VM is hosted in the same cluster it manages (and the cluster is setup for HA): Am I correct to assume that if the host that hosts the vCenter goes down HA will vmotion the vCenter VM to another host and it will continue to function? BTW: my environment is small, two ESXi 5.0 hosts, with about 50 VMs, using iSCSI shared storaged for everything.

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• For large files compress first then transfer or rsync -z? which would be fastest?

  I have a ton of relativity small data files but they take up about 50 GB and I need them transferred to a different machine. I was trying to think of the most efficient way to do this. Thoughts I had were to gzip the whole thing then rsync it and decompress it, rely on rsync -z for compression, gzip then use rsync -z. I am not sure which would be most efficient since I am not sure how exactly rsync -z is implemented. Any ideas on which option would be the fastest?

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• Chromium always starts as floating in awesome.wm

  - by xhochy

  I'm using awesome as window manager for a small surf&info terminal. Chromium is started directly after login on the first workspace and should be displayed fullscreen. I've set the layout of all workspaces to awful.layout.suit.max and followed Awesome FAQ so that Chromium and all other (automatically) started programs will be shown on the right workspace. All programs except Chromium will start correctly in fullscreen mode. I tried { rule = { class = "chromium-browser" }, properties = {floating = false, tag = tags[1][1]}} and { rule = { class = "chromium-browser" }, properties = {tag = tags[1][1]}} but Chromium will always start in floating mode. This is a bit annoying as you still see awesome's panel at the top.

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• What is the best OS for a server hosting a simple Ruby on Rails based pastebin

  - by Koning Baard XIV

  I have created a simple pastebin in Ruby on Rails and Python. I want to host it in an intranet and it will have like about 1000 users. I want to use one Apache server with a cluster of Mongrel servers. The server itself is a 2 GHz Intel Centrino with 2 GB RAM. What do you think is the best OS to host this? I thought about Damn Small Linux or a custom LFS system. Ubuntu servers come with loads of stuff I don't need. Maybe there are some better OSes? It must be capable of: Running Apache Running Ruby Running Python Running Mongrel with Ruby on Rails SSH Can anyone reccomend me one? Thanks. PS: I am not going to run Windows Server or Mac OS X Server (Mac's are expensive).

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• How can I sync Nokia smartphones' calendars with Snow Leopard Server's iCal Server?

  - by Joe Carroll

  I've just installed and configured a Mac Mini Server for a customer who wanted to stop using Google Apps for their email. The plan was to also use the new server's calendaring service but we've hit a small snag: the staff all use iCal on Macs and Nokia E71s and there doesn't seem to be a way to use a single calendar for each person that syncs with both. iSync/iCal doesn't appear to allow their manually-synced phones to sync with the CalDAV calendars on the server, only with local calendars on their Macs. Nor does Nokia's organiser software support CalDAV but rather SyncML for live networked syncing. I was wondering if there's a plugin for iCal Server that would provide a bridge to a SyncML service I could run on the server... or anything else that would work (preferably FOSS)!

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• cloud computing ? Eucalyptus

  - by neolix

  Hi Greeting!! I want to setup small cloud computing using our old 2 core server system? we are new to cloud system we have google for the same. We are looking host VM's on top any one has done pls share me doc or how to ? we have 50 plus server which we are not using. 2 core each 4GB RAM, 1TB HDD centos is my base os we looking host windows. Right now we can use this server only paravirtualization ignore my english Thanks

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• In *nix, how to determine which filesystem a particular file is on?

  - by smokris

  In a generic, modern unix environment (say, GNU/Linux, GNU/Solaris, or Mac OS X), is there a good way to determine which mountpoint and filesystem-type a particular absolute file path is on? I suppose I could execute the mount command and manually parse the output of that and string-compare it with my file path, but before I do that I'm wondering if there's a more elegant way. I'm developing a BASH script that makes use of extended attributes, and want to make it Do The Right Thing (to the small extent that it is possible) for a variety of filesystems and host environments.

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• How can you test communication on a COM/Serial port?

  - by Andy

  We have a OHAUAS Weighting scales with a COM port. if we connect this to a PC we should be able to get the weight on the computer by sending a command to it. Is there a way to test this? i tried the command line echo "LP" com1 but this does nothing. A small C# application that listens to this port seems to be continuously receive Hexadecimal numbers (2 digits then an enter), however sending a command through this application doesn't give readable results. When i do listen on the port though, the echo "LP" com1 command gives an unavaible error, so sending the command works in cmd. Does anyone have any knowledge on a simple way to test a send and receive on a com port?

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• Finding a laptop to fit my spec's

  - by Mick

  I have a small list of characteristics that are required for a new laptop and have been looking for websites where I can specify my requirements and see which laptops fit the bill. I want to specify OS/RAM/HDD size/CD drive/screen resolution/battery life. I have found several sites so far where I can specify everything except battery life. Does such a site exist? I know that this is not a shopping site - but before any moderator rushes to close this question - please note that I am not asking "where do I buy this laptop" - merely what laptop fits this specs. I don't even care what country the website is based in.

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• How to Uninstall License key

  - by balexandre

  I have bought and updated my Win 7 Pro to Windows 8 Professional and it's great ... all in all, I wanna keep using Windows 8, but something went wrong with Visual Studio 2012 Professional installation and there is no way I can install the target version for .NET 4.0 and I really need this to comply with old projects without affecting all the other developers. I do have an official license key bought when installing Windows 8, my question is, now that I need to format Install Win 7 Pro Upgrade to Win 8 Pro how do I make sure my next activation is successfully? In other words, how can I, not change, but remove my license so I can re-use it again when everything is fresh and updated

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• Reset user passwd when you don't know it

  - by warren

  I have a small problem. I have shared keys setup on my domain, so I never type my password to login anymore. I've forgotten my password now. This is a problem because only my user can sudo. Password authentication for root has been disabled, so without my password, I cannot do maintenance on my web server. Is there a way to reset my password as my [now only] key-authenticated user? Specifically, can this be done on CentOS 4?

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• Minimalistic flatfile "wall" software with authentication and RSS?

  - by Nicolas Raoul

  I am looking for an open-source minimalistic "message board" PHP software. Not a forum, more something like one simple facebook wall. The only thing a user can do is post a new message. With RSS, and able to run on flat files (no database) with Apache+PHP Authentication based on a configuration file, no management UI needed. For now I use this software, but it lacks RSS: http://nrw.free.fr/data/projects/pano/demo/index.php?pano=ifc Anyone knows a software that matches my description? Thanks! Usage: communication between my family's 5 members living on different continents.

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• Recommendations for Spam Filter

  - by dotdev

  We are currently using MxGuardDog for spam filtering. It works by pointing our MX records at their mail servers. The service seems pretty good, it keeps out the obvious spam, but I would still say it let's through mail that to me is spam, but I accept that on the surface those emails may not flag any of the universally recognised indicators for spam. If an email comes through that I believe is spam, I can login to the Web Console and blacklist the email/domain. However, 99% of the time I don't because it's inconvenient - or, should i say, it's far less convenient than a button in Outlook that allows me to report the email/domain as spam. So, what we're looking for is a similar service i.e. cloud spam filtering that has an Outlook plugin so that Administrators/Users can report spam. We are only a small company, 10 users, so cost is of course an issue for us. Many thanks dotdev

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• External mouse clicks not working during UAC prompt/windows or other elevated privilege programs

  - by user26453

  I have a Logitech Revolution VX, a small portable mouse. I use it on my laptop running Windows 7 64bit Professional. When a UAC prompt comes up, I can use the mouse to move the pointer, however any clicking via the external mouse is disabled. I have to use my trackpad to actually click. This continues on into whatever UAC window comes next, such as a program install. The mouse pointer can move via my external mouse, but no button clicks register except on the trackpad. This also happens if I am to right click a program and select "Run as Administrator". The external mouse will move the pointer, but no button clicks work. I've tried to google for this issue but haven't found anything. To be it seems generally a problem with my external mouse driver not running with elevated privileges itself. Any help would be appreciated.

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• Google Mini Search Does Not Return Results

  - by James Lawruk

  I pointed the Google Mini to a small intranet site. (8 simple HTML pages) It crawls all 8 pages just fine, but a simple search with a word clearing contained within the body of the pages returns 0 results. If I enter a search like this: "site:mysite.net", it returns all 8 pages. If I enter a search with a word contained in a Url, it will return that Url. In the search results, only the Url is returned in the list items. There is no Page Title or blurb text you normally see in Google search results. It's as if it is only indexing the Url and skipping the page title, body, etc. I have an old software Version 3.4.14, but I wanted to try to get this thing working without an upgrade. It worked before for another domain, so why would it not work now. Any ideas?

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