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• Move /var directories to to /mnt on an EC2 instance

  - by Geoff Lanotte

  I am trying to work on a standard configuration for a set of EC2 instances running ubuntu 12.04. These servers are going to be primarily web servers for a Ruby on Rails application. When you configure a new large instance, you are given a primary of 8GB and then ephemeral storage of 400 GB that is mounted to /mnt. It seems logical to me to move some directories that have a potential for growth off to the /mnt directory, I was specifically thinking of /var/www and /var/log. My question is two-fold: Is this a good idea or are there pitfalls that I cannot see? If this is a good idea, how should I go about configuring this. I do have the ability to configure new instances and down our old instances. My concern is over long term, doing this in such a way that it prevents downtime. I am a developer with some experience in devops, but mounting drives is something I have not faced before, so explicit directions would be greatly appreciated.

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• How can I best explain what a virtual machine "image" is to a non-technical person?

  - by cagcowboy

  Does anybody have a good description or know where I could find one?

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• Any recommendations on a NAS for a home-super-user?

  - by marc_s

  Can anyone recommend a good NAS for use in a home-server environment? I would request at least 2, preferably 4 disks, and I am most interested in good to excellent throughput for file-server and backup purposes - don't need any of the fancy media-streaming or -sharing features, that's not of interest to me. For a 4 or more disk solution, support for the various RAID levels (0, 1, 1+0, 5) would be a plus - especially if supported in hardware (rather than just a software emulation). I just need a place to put my collection of data, ISO images, and so forth - and since several external disks (self-built and off-the-shelf) have failed so far, I'm looking into a more reliable solution. Marc

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• Alternative to Canned Response in Gmail

  - by Stuck

  I have a mailbox that i share with a colleague. We want a good way to store templates for e-mails that we send often like answers to common questions and so on. We have tried to use Canned Response to store this templates but that GUI really sucks and is kind of unusable for other things then signatures and stuff. Is anyone aware of a good alternative to this? We need to be able to share this templates. So it must be stored "in the cloud". We want "as easy access" as possible directly in gmail. A firefox plugin would be fine since we both use Firefox. We use both Mac and PC so the solution must be cross-platform. Anyone have any ideas on how to solve this?

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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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• MS Access 2007 end user access

  - by LtDan

  I need some good advise. I have used Access for many years and I use Sharepoint but never the two combined. My newly created Access db needs to be shared with many users across the organization. The back end is SQL and the old way to distribute the database would be placing the db on a shared drive, connecting their PC ODBC connections to the SQL db and then they would open the database and have at it. This has become the OLD way. What is the best (and simpliest) way to allow the end users to utilize a frontend for data entry/edit reporting etc. Can I create a link through SharePoint and the user just open it from there. Your good advise is greatly approciated.

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• Textmate: Find and replace across project with contents of one file from said project

  - by griotspeak

  I have a regular expression to find the text I want (I wrapped the relevant section in custom tags), and I can do it by hand without much issue, but what I want is a way to automatically find and replace throughout the entire project. A macro seems like an OK idea, but it would be nice to have a command (to edit and tweak). sed seems like a good bet, but I am pretty unfamiliar with it. I am not so much asking for a complete solution as I am asking for an example that does something close to what I want. I don't really know of a good way to start.

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• Is there a "pattern" or a group that defines *rc files in *nix environments?

  - by Somebody still uses you MS-DOS

  I'm starting to use command line a little more, and I see there are a lot of ways to configure some config files in my $HOME. This is good, since you can customize it the way you really like. Unfortunately, for begginners, having too many options is a little confusing. For example, I created .bash_alias for some alias I'm using. I didn't even know this option existed, I'm used to simply edit .bashrc. Do exist a pattern, a "good practice", envisioning flexibility and modularity in terms of rc files structure? Do exist a standardization group for this, or every body just creates it's own configuration setup?

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• Why would my domain admins turn of UAC?

  - by DanO

  I'm a developer of internal software in our company, I've gotten used to UAC in Win7, I prefer to run with in enabled so that our software works correctly with it enabled. Sysadmins have recently pushed out GPO that turns it off every time we log-in. (So I turn it back on every time I log in.) I can imagine some people are annoyed by it and turn it off, but is that really a good company-wide decision? anyone annoyed by it (local admins) would already have permission to turn it of themselves.. right? On the other hand we don't have to worry creating UAC friendly software if no workstations or servers have it enabled. Is there a good reason for doing this? Other than reducing help-desk calls from recent XP users? I can't see the upside of this decision, help me understand.

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• How do I make control-click in Opera open new tabs?

  - by user21952-is-a-great-name

  Update: As of version 11.50, control-click opens the new tab in background, as desired. Yay! In Opera, as opposed to all other modern browsers I know, control-click does not open a new tab. Moreover, I couldn't find any good way to configure this behavior. The best available option seems to be this. However, it's so hacky that it won't work on HTTPS sites unless you enable user javascript there, which doesn't seem like a good idea. There also seem to be other proposed solutions, but none of them seem to work. I'd like this because my laptop has no middle mouse-button, and I'm a creature of habit. Do people have any ideas (for the latest version, 10.50)? I'd like ctrl-click to open a background tab, but I can do with foreground. Thank you!

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• Why am I having trouble loading Ubuntu alongside Windows as an application?

  - by STEVE PEAVEY

  I have two good CD ISO files. Both load OK, but when I boot to Ubuntu the screen is fragmented by dozens of white lines. Program works but is useless. I'm running Windows XP SP3 on D201GLY MB, CELERON CPU 220 1.02 GHZ, 512 RAM What could be my problem? CPU? Not enough RAM? Or maybe even the graphics card? to be clearer i am trying to load either ubuntu 8.04 or 9.04 inside windows as an aplication from known GOOD cd's. trying to load with the wubi installer that is loaded on the cd's. sis mirage graphics 32mb vid prosser sis 662.

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• Dependency diagramming / mapping tool [closed]

  - by Lars

  I am looking for a tool that allows me to easily create and maintain dependency maps of our mission critical servers, apps, processes, etc. It needs to be intuitive and easy to work with and be able to generate diagrams that clearly show the dependencies graphically. What would be some good tools for this? I have looked at videos for AssetGen Sysmap and BluePrint from Pathwaysystems.com, and they both seem to fit my needs, but there has got to be more good systems like them that I can look at. I want to make sure I pick the best system for our needs (and limited budget).

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• Which motherboard for Intel i7 and how to get RAID working?

  - by jasondavis

  I am wanting to build a new PC, I have a couple questions. 1) I am wanting to go with the Intel Core i7 920 Processor, can anyone reccomend a good reliable motherboard for this processor? Graphics card support does not matter (sli-crossfire). I would like to support a lot of ram, so the more ram slots the better. I have read so many bad reviews about certain boards not working good, I would love recommendation from experience. 2) I am wanting to run a couple SSD drives in RAID-0, I have never done this, will I need to purchase anything additional to the MB and CPU and drives to get raid working?

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• Syncing 1TB+ to a iSCSI device, software needed

  - by mojah

  Hi, I need to sync a local disk to a iSCSI mount on Windows (server 2003), and I'm struggling to find software that's capable of doing so in a reasonable timeframe. Notes on the current 1TB disk: - 800GB currently in use - Contains a folder with several hundred thousand subfolders, which in turn have several thousand files, ... So I'm trying to find a piece of software that can handle such large filelists, and give me a good timeframe on when this will be copied. I've tried DeltaCopy (the rSync GUI client for Windows), but it's intolerably slow and doesn't provide me with a good estimate time remaining. DeltaCopy: http://www.aboutmyip.com/AboutMyXApp/DeltaCopy.jsp Does anyone know alternative software for Windows, that would do this well?

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• What TLDs should I use for my NS records for redundancy? (DNSSEC support required)

  - by makerofthings7

  Question As a general practice, is it a good idea to use multiple TLDs for the name servers? How should I choose between which TLD would be a good candidate for being the root server for my NS name? More Info I am switching over 800 DNS zones to an outsourced DNS provider. I originally planned on setting the zone names to nsX.company.com, but think it would be best to have multiple TLDs such as .net , .org and .info Since I plan on supporting DNSSec at company.com I think all the 1st tier Name servers must support it as well. Part of the inspiration for this question came from our provider UltraDNS. In their configuration screen for our domains, they actively verify and alert us if our name servers aren't exactly: pdns1.ultradns.net pdns2.ultradns.net pdns3.ultradns.org pdns4.ultradns.org pdns5.ultradna.info pdns6.ultradns.co.uk

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• Why does an ampersand in URL cause failure of some command in Mac OS X Terminal?

  - by congliu

  Why does an ampersand in URL cause failure of the following command? I want to open a web page by running Safari in Terminal, placing the URL as an argument. This works as expected: open -a safari "http://endic.naver.com/search.nhn?sLn=en&searchOption=all&query=good" But once the quotes being removed, it wouldn't work as expected: open -a safari http://endic.naver.com/search.nhn?sLn=en&searchOption=all&query=good Instead, it returns: [3] 5395 [4] 5396 [1] Done open -a safari http://endic.naver.com/search.nhn?sLn=en [2] Done searchOption=all Seems like ampersand in the URL was treated as "running previous command in the background", though there is no space following the ampersand in the URL.

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• what do you use for storage discovery / storage management?

  - by lysdexic

  I am looking for some ideas on what would be the best way to discover and manage network storage. Discovery: Any good tools that will scan hosts and storage devices and report back their findings? Maybe using SNMP or WMI? Management: I'm currently looking at Storage Manager by Solar Winds, but it is a bit pricey. Any good open source projects like this? Just looking for ideas of how to get better visibility into the storage infrastructure on this network. It includes a HP Lefthand Iscsi san and EC VNX san. As well as individual hosts with local storage. Thanks for reading and thanks for any input.

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• How much visitors could handle my server ?

  - by coolboycsaba

  I have a website, and I want to host it on my own computer, but I'm wondering if it's good enough. The website check`s if the user is logged in and then displays 15 items (title, description) from a mysql database and the rating (stored in another database) and the comments (another database) for each item. It also displays some stats (number of items, comments). I also have an image for each item. My specs are: AMD Athlon 64 X2 Dual Core Processor 5600+ 2.90 GHz RAM memory: 4.00GB Windows 7 64bit So what do you think, how much visitors and items could it handle (at once or daily) ? My internet connection is good, around 7-10 mb upload and same download speed

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• Is there a "pattern" or a group that defines *rcs files in *nix environments?

  - by Somebody still uses you MS-DOS

  I'm starting to use command line a little more, and I see there are a lot of ways to configure some config files in my $HOME. This is good, since you can customize it the way you really like. Unfortunately, for begginners, having too many options is a little confusing. For example, I created .bash_alias for some alias I'm using. I didn't even know this option existed, I'm used to simply edit .bashrc. Do exist a pattern, a "good practice", envisioning flexibility and modularity in terms of rc files structure? Do exist a standardization group for this, or every body just creates it's own configuration setup?

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• How do I make control-click in Opera open new tabs?

  - by user21952-is-a-great-name

  In Opera, as opposed to all other modern browsers I know, control-click does not open a new tab. Moreover, I couldn't find any good way to configure this behavior. The best available option seems to be this. However, it's so hacky that it won't work on HTTPS sites unless you enable user javascript there, which doesn't seem like a good idea. There also seem to be other proposed solutions, but none of them seem to work. I'd like this because my laptop has no middle mouse-button, and I'm a creature of habit. Do people have any ideas (for the latest version, 10.50)? I'd like ctrl-click to open a background tab, but I can do with foreground. Thank you!

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• Where to start when setting up a gambling website [closed]

  - by molleman

  I don't know if this is the correct place or this question by I couldn't find anywhere else. I am looking into building a gambling website, I have good HTML CSS and JavaScript skills but I do not know enough of the server side to actually build a backend for a gambling website. Firstly where would you start , what language , I work With Wordpress , so I understand php a little but not a lot . Would php be a good place to start . If so what framework would be able to scale if the number of users on the website increased . clearly I would like a backend where you could view 1. Users 2. Transactions 3. input games which you can bet on And so on.. Also users should be able to see all there associated information If anyone could help that would be great.

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• Windows VPS/Cloud Host Recommendations?

  - by user18937

  As Hosting.com are no longer offerring Windows VPS accounts, we are looking for a new US based provider. Looking for something that offers standard Windows IIS hosting for a Dotnetnuke portal site with SQL Server Express or Web. Basic managed services for OS updates as well as regular backups required. Good level of support and solid uptime is critical. Budget in the $150-$200 month range but flexible depeding on quality and services offerred. Anyone have any suggestions and good feedback they can share? Currently looking at Jodohost as an option but would like some other possibilities as their support can be suspect at times we have found. A cloud solution in same range would also be an option.

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• Best cloud based IT Systems management services out there?

  - by Ryk

  Our startup organisation is growing fast in 2 different office locations. That brings new challenges and headaches. Our entire company is cloud based, and I am looking for a good product to manage our remote systems. Currently we do not have on-site AD servers, we are using the Windows Azure AD services, so cannot rely on group policies at this stage. I would like to be able to achieve the following: (they are all laptops) Remote Desktop Support Patch management Lock down software on machines (restrict them) Monitor and manage systems Other benefits would be good, but if I can achieve the ones listed above, it will go a long way. We have a combination of Windows 7 pro & Windows 8 & 8.1 machines. I am currently using Windows Intune, but it is really limited. Really just a glorified patch enforcer. Thank you in advance to your help.

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• Features of Emacs that are complementary to Vim?

  - by redacted

  I've been using Vim extensively for a while now, and I really enjoy working with it. However, I keep reading praises for Emacs. I've decided to take a look at Emacs to round out my knowledge of the Unix editors (not to mention Emacs keybindings are used extensively). But! I'm happy doing most of my daily work in Vim. So ideally what I'd like is to look at (apart from basics) are the gaps that Emacs can fill, or things that it can just do better than Vim. I suppose the canonical example is Lisp/Scheme coding in Emacs versus Vim. Where would you start tinkering with Emacs to really appreciate its power, and to get a good idea of how its approach to editing differs from Vim, and how the editors can complement each other? What would be a good introduction in the same vein?

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• Should I never put a transactional replication distributor on a subscriber server?

  - by Stuart Branham

  What factors into choosing a distribution server for transactional replication? In our topology, we've always had the distributor reside on the publishing server. We rarely generate snapshots and performance is good enough, so this is okay for us today. One of our instances is moving to a cluster, so we need to move the distributor off for resilience/symmetry. Right now our two choices are to use a server physically close to the publishers, or our single subscription server. Our publisher is in our main office, and our subscriber is in a colocation facility off-site which our ISP runs. We have a pretty good line to it. The reason we're even considering the latter is to save work and licensing costs.

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