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  • Add dpkg .symbols or.shlibs to package made using checkinstall

    - by Hubert Kario
    I have created a simple package using checkinstall of the Oracle Instantclient client libraries, the package installs without problem and is seen in the system. Problem is, that checkinstall doesn't create /var/lib/dpkg/info/oracle-instantclient11.2-basic.symbols or /var/lib/dpkg/info/oracle-instantclient11.2-basic.shlibs files so when I try to create another package (with proper build scripts) that depends on oracle-instantclient11.2-basic the build fails with dpkg-shlibdeps: error: no dependency information found for \ /usr/lib/libclntsh.so.11.1 (used by \ debian/libopendbx1-oracle/usr/lib/opendbx/liboraclebackend.so.1.2.0). dh_shlibdeps: dpkg-shlibdeps \ -Tdebian/libopendbx1-oracle.substvars \ debian/libopendbx1-oracle/usr/lib/opendbx/liboraclebackend.so.1.2.0 \ returned exit code 2 make: *** [binary-arch] Error 9 Is there an easy way to automatically create a package with .symbols or .shlibs files?

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  • best-practices to block social sites

    - by adopilot
    In our company we have around 100 workstation with internet access, And day by day situation getting more worst and worst from perspective of using internet access for the purpose of doing private jobs, and wasting time on social sites. Open hearted I am not for blocking sites like Facebook, Youtube, and others similar but day by day my colleagues do not finishing his tasks and while I looking at their monitor all time they are ruining IE or Mozilla and chat and things like that. In other way Ill like to block youtube sometime when We have very poor internet access speed, Here is my questions: Do other companies blocking social sites ? Do I need dedicated device for that like hardware firewall, super expensive router Or I can do that whit my existing FreeBSD 6.1 self made router with two lan cards and configured nat to act like router. I was trying do that using ipfw and routerfirewall but without success, My code looks like ipfw add 25 deny tcp from 192.168.0.0/20 to www.facebook.com ipfw add 25 deny udp from 192.168.0.0/20 to www.facebook. ipfw add 25 deny tcp from 192.168.0.0/20 to www.dernek. ipfw add 25 deny udp from 192.168.0.0/20 to www.dernek. ipfw add 25 deny tcp from 192.168.0.0/20 to www.youtube. ipfw add 25 deny udp from 192.168.0.0/20 to www.youtube.com

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  • How to power off a hard drive to essentially "hot swap"

    - by Brandon
    I'm looking for either freeware or the programming basics to power off/on a hard drive. Mounting and unmounting a hard drive is simple enough just using the command prompt in Windows XP. Now I need to be able to power down the hard drive so it will not become damaged when being unplugged. I would prefer this to be a simple doable in the command prompt, a simple script, or at worst C++/C#. Freeware that does this exact requirement would also do the job. This script/program will run on Windows XP with .NET 2.0 SP1.

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  • Upgrade AirPort on Macs to support Snow Leopard's Wake on Wireless/WLAN?

    - by wojo
    Snow Leopard now supports Wake on WLAN, but not all hardware supports this. For example, my Octo Mac Pro from early 2008 has an AirPort card, but it does not support this. Nor does my 2007 2.33GHz MacBook Pro. For reference to what is needed, look at http://www.macrumors.com/2009/08/28/a-closer-look-at-snow-leopards-wake-on-demand-feature/ which includes a screenshot of what the System Profiler should show. It's pretty hard to find Apple parts, but is it possible to put newer cards into these machines to have them support Wake on Wireless?

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  • How can I configure Firefox to assume I have less memory?

    - by WoLpH
    Firefox has a few different settings that automatically get tuned based on the system ram. This is all great if you're running nothing besides Firefox, but when you're running half a dozen apps at the same time and they all assume that they can take a decent chunk of mem it just kills the box. Example settings: http://kb.mozillazine.org/Browser.sessionhistory.max_total_viewers http://kb.mozillazine.org/Browser.cache.memory.capacity How can I make Firefox automatically configure all these settings with the assumption that I only have 512MB of memory instead of 4GB (or whatever number, but you get the idea). I am running Ubuntu 12.04 with Firefox 14 Current workarounds: Running a Windows XP virtual machine with 512MB of ram. It actually runs smooth and takes less memory (including Windows) to run than having Firefox (or Chrome for that matter) run standalone. Install the 32 bit version of Firefox By installing the 32 bit version of firefox (apt-get install firefox:i386) the base memory usage is only about 50% of what it is with the 64 bit.

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  • Are speakers wasting power when they are not in use?

    - by Dennis Cheung
    I guess all of you have a pair/set of speakers for your MP3s. I am just interesting to how do they do when they are not playing? How actually the power spent by the speaker? Does any the below cases matter? Idle / Silence input When you computer is off / not connected Raise the volume by hardware (turn/push the button on the speaker) Raise the volume by software (do it with your mouse) BTW, to save the world. I am here to suggest you to unplug it when you leave your PC.

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  • Vagrant-aws not provisioning

    - by SuperCabbage
    I'm trying to spin up and provision an EC2 instance with Vagrant, it successfully creates the instance up and I can then use vagrant ssh to SSH into the it but Puppet doesn't seem to carry out any provisioning. Upon running vagrant up --provider=aws --provision I get the following output Bringing machine 'default' up with 'aws' provider... WARNING: Nokogiri was built against LibXML version 2.8.0, but has dynamically loaded 2.9.1 [default] Warning! The AWS provider doesn't support any of the Vagrant high-level network configurations (`config.vm.network`). They will be silently ignored. [default] Launching an instance with the following settings... [default] -- Type: m1.small [default] -- AMI: ami-a73264ce [default] -- Region: us-east-1 [default] -- Keypair: banderton [default] -- Block Device Mapping: [] [default] -- Terminate On Shutdown: false [default] Waiting for SSH to become available... [default] Machine is booted and ready for use! [default] Rsyncing folder: /Users/benanderton/development/projects/my-project/aws/ => /vagrant [default] Rsyncing folder: /Users/benanderton/development/projects/my-project/aws/manifests/ => /tmp/vagrant-puppet/manifests [default] Rsyncing folder: /Users/benanderton/development/projects/my-project/aws/modules/ => /tmp/vagrant-puppet/modules-0 [default] Running provisioner: puppet... An error occurred while executing multiple actions in parallel. Any errors that occurred are shown below. An error occurred while executing the action on the 'default' machine. Please handle this error then try again: No error message I can then SSH into the instance by using vagrant ssh but none of my provisioning has taken place, so I'm assuming that errors have occured but I'm not being given any useful information relating to them. My Vagrantfile is as following; Vagrant.configure("2") do |config| config.vm.box = "ubuntu_aws" config.vm.box_url = "https://github.com/mitchellh/vagrant-aws/raw/master/dummy.box" config.vm.provider :aws do |aws, override| aws.access_key_id = "REDACTED" aws.secret_access_key = "REDACTED" aws.keypair_name = "banderton" override.ssh.private_key_path = "~/.ssh/banderton.pem" override.ssh.username = "ubuntu" aws.ami = "ami-a73264ce" end config.vm.provision :puppet do |puppet| puppet.manifests_path = "manifests" puppet.module_path = "modules" puppet.options = ['--verbose'] end end My Puppet manifest is as following; package { [ 'build-essential', 'vim', 'curl', 'git-core', 'nano', 'freetds-bin' ]: ensure => 'installed', } None of the packages are installed.

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  • How do you keep track of what's connected to your switches?

    - by Kamil Kisiel
    Currently we manually document the connections to the ports of our switches. Of course, maintenance is a chore, and the documentation is out of date as soon as you save it. Are there any tools for querying switches, preferably via SNMP, that can tell you what is connected on the other end? For the record, we use primarily HP ProCurve switches.

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  • Reverse Proxy Methods for Hosting a Low-Bandwidth Dynamic Website

    - by Casey
    I am building a webcam w/ HTTP server that will be running from a low-bandwith connection. The content on the site will be changing every 5 to 10 minutes. Instead of serving files directly from this connection, are there hosting companies that can act as a reverse proxy for my site? Therefore, if nobody is using the site, the local internet connection remains idle. And if I receive 1000 hits all at the same time, only one HTTP GET is required, and the hosting company (on a fat pipe) continues serving the other 999 requests? This doesn't sound like a very common usage model, but I feel like this would be the optimal solution to my situation.

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  • PHP scripts owned by www-data

    - by matnagel
    I am always running php scripts on a dedicated server as user "webroot". It would be easier for coding and administration if the scripts were owned by www-data, the apache2 user. Also feels more simple and clean. There is no ftp on this box and there are no other users or sites. Why not have the php scripts owned by www-data? If there is anything against it, what is the worst that can happen?

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  • Can Resource Governor for SQL Server 2008 be scripted?

    - by blueberryfields
    I'm looking for a method to, in real-time, automatically, adjust Resource Governor settings. Here's an example: Imagine that I have 10 applications, each hitting a different database on the same database machine. For normal operations, they do not hit the database very hard, so I might want each one to have 10% CPU power reserved. Occasionally, though, one or two of them might spike, and run an operation which could really use the extra power to run faster. I'd like to be able to adjust to compensate (say, reducing the non-spiking apps to 3%, and splitting the difference between the spiking apps). This is a kind of poor man's method of trying to dynamically adjust resource allocation and priorities. Scripts (or something script-like) is preferred, since the requirement is for meta-level adjustments to be possible in real-time, also.

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  • JBD: Spotted dirty metadata buffer

    - by Jake Mach
    Sep 25 22:19:38 host kernel: [7798806.146942] JBD: Spotted dirty metadata buffer (dev = loop0, blocknr = 267). There's a risk of filesystem corruption in case of system crash. Sep 25 22:19:38 host kernel: [7798806.146956] JBD: Spotted dirty metadata buffer (dev = loop0, blocknr = 1). There's a risk of filesystem corruption in case of system crash. Sep 25 22:19:38 host kernel: [7798806.146967] JBD: Spotted dirty metadata buffer (dev = loop0, blocknr = 353). There's a risk of filesystem corruption in case of system crash. Sep 25 22:19:38 host kernel: [7798806.147121] JBD: Spotted dirty metadata buffer (dev = loop0, blocknr = 353). There's a risk of filesystem corruption in case of system crash. Sep 25 22:19:38 host kernel: [7798806.147133] JBD: Spotted dirty metadata buffer (dev = loop0, blocknr = 1). There's a risk of filesystem corruption in case of system crash. Sep 25 22:19:38 host kernel: [7798806.147143] JBD: Spotted dirty metadata buffer (dev = loop0, blocknr = 267). There's a risk of filesystem corruption in case of system crash. [7817859.850517] EXT4-fs error (device loop0): ext4_mb_generate_buddy: EXT4-fs: group 1: 28618 blocks in bitmap, 29028 in gd what does this mean? how did this happen?

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  • Reducing latency for different geographic regions on Amazon Cloud

    - by Shoaibi
    I have got an application which has three components Application code : Amazon EC2 US-EAST-1 instance Application images, and other static data : Amazon S3 with CloudFront Application Database : Amazon RDS In short i need something like Cloud Front for EC2. In long, people using this application from a different region say middle east will have faster static content downloading due to Cloud Front but there would be a lot of latency in communicating to EC2 instance. I want to use a budget friendly way of enhancing this. Launching Amazon Instances in every region that offer is sure a choice, but isn't really cheap, so would try to avoid it unless its last resort. Also say if my clients also need to communicate to the RDS database directly, is there some kind of solution which gives that kind of functionality mentioned above, but for RDS?

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  • HOWTO run Wordpress site along with Tomcat web aplication on the same server

    - by Chantz
    I am building a solution where the CMS part of the site (i.e. About US, Contact etc) will be run on Wordpress & the private pages will be a Java-Servlet based stack run on Tomcat 7. Both of these "apps" have to run on the same server for budget reasons, at least for now. What I want to know how to make this happen (via configurations, setups etc)? So that whenever users come to public pages they will be served content from Wordpress but for private pages (here I am assuming there will be a URL pattern differentiating this) then it will be served by Tomcat I am assuming here that I will be using Apache as the server for fronting the wordpress requests. Also it is an Ubuntu 12.04 server.

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  • How do you manage perl modules on a Debian system?

    - by nagul
    I'd like to know if you have a method for managing perl modules on your Debian system, with respect to the following: Installing new modules Listing of manually installed modules Checking dependencies, and uninstalling modules I have looked at this perlmonks article for background reading: What is the best way to install CPAN modules on Debian? I have previously installed perl modules using the CPAN module. I have also used dh-make-perl in some cases, when following instructions to build other packages that had perl dependencies. I'd like to institute a coherent policy on my machine so I can better manage how and where the modules are installed, and reduce the chance of breaking perl on my system. I would strongly like a system where I can detect and uninstall modules that are no longer being used.

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  • how to Host website from my home ADSL?

    - by Amr ElGarhy
    I knew that i can use DynDNS to setup a hosting which will access my home adsl for hosting a website. I entered there but couldn't figure out how to setup this in steps, i registered a host name but couldn't link to my router, i feel that there somethings missed. Also i checked this article but it didn't help me because i couldn't find options he is talking about in my router. My router is D-Link wireless. And i have a dynamic IP address

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  • Recommendations for Windows Server 2008 Hyper-V VPS Host?

    - by user37042
    I'm looking for a well-respected, high-performing Windows Server 2008 Hyper-V VPS host. For my linux hosting, I use a shared WebFaction account, so I'm spoiled by their incredible service and support. RackSpaceCloud also sounds really good, especially for linux hosting, but it sounds like their Windows hosting is just getting off the ground. I've heard good things about SoftSysHosting, but I didn't know if there were any other VPS providers out there that people will give strong endorsements for (as I do for WebFaction every chance I get).

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  • How to allow IAM users to setup their own virtual MFA devices

    - by Ali
    I want to let my IAM users to setup their own MFA devices, through the console, is there a single policy that I can use to achieve this? So far I can achieve this through a number of IAM policies, letting them list all mfa devices and list users (so that they can find themselves in the IAM console and ... I am basically looking for a more straight forward way of controlling this. I should add that my IAM users are trusted users, so I don't have to (although it will be quite nice) lock them down to the minimum possible, so if they can see a list of all users that is ok.

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  • How do I host multiple SSL websites on a single EC2 instance using Amazon Elastic Load Balancers?

    - by Developr
    If I have 3 separate websites which all require SSL (separate certificates) that I want to host on the same EC2 instance(s) across multiple availability zones so that we have the ability to scale and be highly available, how do I achieve this using ELBs in my Amazon VPC? Each site requires a separate IP address, so I have added multiple private IPs to the EC2 instance, but I am unsure how to bind the ELB to a certain IP on the instance. I was also able to setup multiple ELB pointing to the same instance, but again, I am not seeing any way to bind each ELB to a separate IP on the instance. If this is not possible, what is the best option? Run each site on a separate EC2 instance / ELB combo (expensive and harder to maintain) Give each site a separate public IP and use Route 53 to do the load balancing (seems like a hack) Use a different load balancer option such as HAProxy that should be able to work like a normal load balancer appliance. Please help!

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  • how to Host website from my home ADSL?

    - by Amr ElGarhy
    I knew that i can use DynDNS to setup a hosting which will access my home adsl for hosting a website. I entered there but couldn't figure out how to setup this in steps, i registered a host name but couldn't link to my router, i feel that there somethings missed. Also i checked this article but it didn't help me because i couldn't find options he is talking about in my router. My router is D-Link wireless. And i have a dynamic IP address

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  • ubuntu ppa's and apt precedence

    - by Brad Robertson
    I'm trying to get the latest mplayer installed with vdpau support. Haven't had any luck so far. I found a PPA that says it works and I want to install it. I added the PPA to my apt.sources and did an update. I just wanted to know, how do I know that I'm now installing the mplayer package from the PPA, and not Ubuntu's standard repositories? From what I see I just install the same package using apt-get install mplayer. How do I know which mplayer I'm getting? Where do I specify what takes precedence?

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  • Windows server 2008, Dns. I'm confused

    - by Dejan.S
    Hi. I recently setup a window server 2008 server at work. Keep in mind I have never worked with it before:). Background story is I try to host a couple of sites on the server through iis7, I got domains (currently hosted at other hosters for the moment). I want to point the domain NS to my server on all of them. I have read how to setup a DNS on the server, so far so good. now my dns is companyname.com in the server manager I got DNS / companyname.com in there I got ns.comanyname.com, in there I got Host(A) with the server ip now this is where I get confused about how things work with DNS, NS & Host(A). I dont know how to assign(so to speak) the Host(A) to one of my webapps hosted on the iis7, because that is the pointer right?. To leave an example to work with lets say, Hosted.com is hosted on my iis7, on port 81. You don't understand how great full I would be if somebody could explain this confusion. EDIT: Do I need to create a DNS for every site hosted on my server? Or just make a A Host/Record? Thanks guys

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  • Amazon EC2 root defaults on EBS

    - by CodeShining
    I'm trying to understand why when launching a new instance Amazon defaults to EBS (8gb root) instead of instance storage. Why do they sell instance storage then if it's not used also to boot the base system? Is it safe to uncheck delete on termination, make it bigger (~50GiB) and keep all files on that EBS instead of creating a new one to make sure data will persist and it will also be usable by another instance?

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