Search Results

Search found 8 results on 1 pages for 'kenn sebesta'.

Page 1/1 | 1 

  • How do I configure my 2 RAID drives so I can use it as /home?

    - by Kenn
    I've installed Ubuntu 11 64-bit to a 2 TB drive. it is on /dev/sda - port 1 of SATA Host Adaptor. This contains /dev/sda1 (1 MB boot), /dev/sda2 (2TB EXT4), /dev/sda3 8.6GB SWAP. I also have: /dev/sdb 2TB RAID COMPONENT /dev/sdc 2TB RAID COMPONENT which also show as /dev/dm-0 not partitioned /dev/dm-2 not partitioned which is mounted as /media/RAID_HOME I'm completely stumped as to how to use this version of Ubuntu to make these drives seem as just one raid mirrored drive and then how to transfer /home onto it.

    Read the article

  • Apache-style multiviews with Nginx

    - by Kenn
    I'm interested in switching from Apache/mod_php to Nginx for some non-CMS sites I'm running. The sites in question are either completely static HTML files or simple PHP, but the one thing they have in common is that I'm currently using Apache's mod_negotiation to serve them up without file extensions. I'm not concerned with actual content negotiation; I'm using this just so I don't have to use file extensions in my URLs. For example, the file at /info/contact.php is accessed via a URL of just /info/contact The actual file is a .php file in that location, but I don't use the extension in the URLs. This gives me slightly shorter, cleaner URLs and also doesn't expose what's essentially a meaningless implementation detail to the user. In Apache, all this takes is enabling mod_negotiation and adding +MultiViews to the Options for the site. In Nginx I gather I'll be rewriting somehow but being new to Nginx, I'm not exactly sure how to do it. These sites are currently working fine proxied from Nginx to Apache, but I'd like to try running them solely with Nginx/fastcgi. They work fine this way as long as I'm using the extensions, so the fastcgi aspect is working great. My concern now is just with removing those extensions. It's important to keep in mind that the filename is not always in the URL, in the case of subdirectories. That is, /foo/bar should look for /foo/bar.php or /foo/bar/index.php /foo/ should look for /foo/index.php Is there a simple way to achieve this with Nginx or should I stick with proxying to Apache?

    Read the article

  • mod_rpaf problems with Nginx front, Apache back-end after Ubuntu upgrade

    - by Kenn
    I'm running an Nginx front-end for static files, and proxying to an Apache backend for PHP and Passenger, using Apache's mod_rpaf to set the correct remote IP address on the backend. Everything worked fine until I upgraded to Ubuntu 12.04 (Precise). Now Apache reports all connections coming from 127.0.0.1. Here's the relevant configuration. Nothing here changed with the upgrade. Nginx: proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; mod_rpaf: <IfModule mod_rpaf.c> RPAFenable On RPAFsethostname On RPAFproxy_ips 127.0.0.1 ::1 RPAFheader X-Forwarded-For </IfModule> I'm using %{X-Forwarded-For}i in my Apache LogFormat directive and the access logs are showing the correct remote address, so I know Nginx is passing the address along properly. In a phpinfo() test, HTTP_X_FORWARDED_FOR is showing the correct remote address, but REMOTE_ADDR is 127.0.0.1. This is reflected in PHP applications as well, such as WordPress comments. I've tried switching Nginx and mod_rpaf to X-Real-IP with no effect. Did something change that I missed? Relevant version info, everything installed from the Ubuntu repository: Nginx 1.1.19 Apache 2.2.22 mod_rpaf 0.6

    Read the article

  • Trying to parse OpenCV YAML ouput with yaml-cpp

    - by Kenn Sebesta
    I've got a series of OpenCv generated YAML files and would like to parse them with yaml-cpp I'm doing okay on simple stuff, but the matrix representation is proving difficult. # Center of table tableCenter: !!opencv-matrix rows: 1 cols: 2 dt: f data: [ 240, 240] This should map into the vector 240 240 with type float. My code looks like: #include "yaml.h" #include <fstream> #include <string> struct Matrix { int x; }; void operator >> (const YAML::Node& node, Matrix& matrix) { unsigned rows; node["rows"] >> rows; } int main() { std::ifstream fin("monsters.yaml"); YAML::Parser parser(fin); YAML::Node doc; Matrix m; doc["tableCenter"] >> m; return 0; } But I get terminate called after throwing an instance of 'YAML::BadDereference' what(): yaml-cpp: error at line 0, column 0: bad dereference Abort trap I searched around for some documentation for yaml-cpp, but there doesn't seem to be any, aside from a short introductory example on parsing and emitting. Unfortunately, neither of these two help in this particular circumstance. As I understand, the !! indicate that this is a user-defined type, but I don't see with yaml-cpp how to parse that.

    Read the article

  • How are Implicit-Heap dynamic Storage Binding and Dynamic type binding similar?

    - by Appy
    "Concepts of Programming languages" by Robert Sebesta says - Implicit Heap-Dynamic Storage Binding: Implicit Heap-Dynamic variables are bound to heap storage only when they are assigned values. It is similar to dynamic type binding. Can anyone explain the similarity with suitable examples. I understand the meaning of both the phrases, but I am an amateur when it comes to in-depth details.

    Read the article

  • Drawing a Web Graph

    - by Kenn
    I'm trying to draw a graph on an ASP webpage. I'm hoping an API can be helpful, but so far I have not been able to find one. The graph contains labeled nodes and unlabeled directional edges. The ideal output would be something like this. Anybody know of anything pre-built than can help?

    Read the article

  • Does the OSS Backup Solution amanda.org support sparse files?

    - by user97961
    I want to (or better have to) do Backups of my KVM Virtual Machine images. I have searched for days for a good Backup Soloution. I know amanda is a very good solution. It would be kinf if someone kenn tell me if the following is supported: Trigger the Creation of LVM Snapshot (by invoking a Shell Script that I will write for that purpose) Do a Differential/Delta Backup on my KVM LVM qcow2 sparse file. = I only want to copy the actually changed bits/bytes (=Delta Backup). And it has to support that the file to be backuped up is a sparse file. (Rsync seems to have some kind of problems in regard to this (if the file does not exist yet on the other side... Then it will create a full file, not a sparse file)) Release the LVM Snapshot (By invoking a Script that I will write for that purpose) It's strange, I have nowhere found any documentation about this fact when searching the internet. Zmanda (Commercial Edition) has support vom XEN VM Backup (but not for KVM as far as I can tell)...

    Read the article

1