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  • Good SLA

    - by PointsToShare
    © 2011 Dov Trietsch What is a good SLA? I have frequently pondered about Service Level Agreements (SLA). Yesterday after ordering and while waiting, and waiting, and waiting for the food to arrive, I passed the time reading and re-reading the restaurant menu (again and again..) until I noticed their very interesting SLA.   Because (as promised) we had to wait even longer and the conversation around me was mostly in Russian, I ended doodling some of my thoughts of the menu, on the menu. People are both providers and consumers of services. As a service consumer – maybe the SLA above sucks – though to be honest, had the service been better, I would not have noticed this and you, the reader, would have been spared this rambling monograph. As a provider, I think it’s great! Because I provide services in the form of business software, I extend the idea to the following principles of design: 1: Wygiwyg. You guessed it. What You Get Is What You Get. 2: Ugiwugi.  U Get It When U Get It. How’s this for a developer friendly SLA? I’ll never be off the spec, or late. And BTW, the food was good, so when I finally got what I got, I liked it. That's All Folks!!

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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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  • Vista Remote Desktop Mouse Drag Not Working

    - by Paul Lynch
    I've been using Remote Desktop to connect from a Windows Vista machine to a Windows XP machine. Everything used to work fine, but a few weeks ago I found that I could not drag things with my mouse. I can click on things just fine, but I cannot move or resize windows or select text with the mouse. I did some experimenting, and it seems that the remote machine behaves as though it gets a mouse up event shortly after it gets the mouse down event, even though I am still holding the button down. On both machines, things work fine outside of Remote Desktop. I did reinstall the OS and software on my Windows Vista machine a couple of months ago, and that might have been about the same time that this problem appeared. I don't frequently use Remote Desktop, so I can't be sure. Does anyone have any suggestions?

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  • Where can I learn various hacking techniques on the web?

    - by Carson Myers
    I would like to try my hand at hacking -- that is, exploiting various website vulnerabilities. Not for any illegal purpose mind you, but so I can have a better understanding and appreciation of these exploits while writing my own web software. I seem to recall that there was a community that hosted a bunch of demo websites, and you had to find and exploit certain vulnerabilities with each one. I can't remember what it is called but this is the sort of thing I am looking for -- I have read a tonne of little XSS and CSRF examples but have yet to find a real-life hands-on example of one. Does anyone know of such a place, where I can be given an example page and look for security holes? I would really rather not try this with actual websites, I don't want to break any laws.

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  • How do you stay productive when dealing with extremely badly written code?

    - by gaearon
    I don't have much experience in working in software industry, being self-taught and having participated in open source before deciding to take a job. Now that I work for money, I also have to deal with some unpleasant stuff, which is normal of course. Recently I was assigned to add logging to a large SharePoint project which is written by some programmer who obviously was learning to code on the job. After 2 years of collaboration, the client switched to our company, but the damage was done, and now somehow I need to maintain this code. Not that the code was too hard to read. Despite problems - each project has one class with several copy-pasted methods, enormous if nestings, Systems Hungarian, undisposed connections — it's still readable. However, I found myself absolutely unproductive despite working on something as simple as adding logging. Basically, I just need to go through the code step by step and add some trace calls. However, the idiocy of the code is so annoying that I get tired within 10 minutes of starting. In the beginning, I used to add using constructs, reduce nesting by reversing if's, rename the variables to readable names—but the project is large, and eventually I gave up. I know this is not the task I should be doing, but at least reducing the mess gave me some kind of psychological reward so I could keep going. Now the trick stopped working, and I still have 60% of my work to do. I started having headaches after work, and I no longer get the feeling of satisfaction I used to get - which would usually allow me to code for 10 hours straight and still feel fresh. This is not just one big rant, for I really do have an actual question: Is there a way to stay productive and not to fight the windmills? Is there some kind of psychological trick to stay focused on the task, instead of thinking “How stupid is that?” each time I see another clever trick by the previous programmer? The problem with adding logging is that I actually have to understand what the code does, and doing so hurts my brain in an unpleasant fashion.

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  • JkWorkersFile: Can't find the workers file specified

    - by Vasan
    I am trying to set up a simple horizonatal Tomcat clustering in windows XP. Have created a workers.properties file in conf/ directory next to httpd.conf file. However, when trying to start apache using httpd.exe, I am getting the below error. JkWorkersFile: Can't find the workers file specified httpd.conf has below entry: LoadModule jk_module modules/mod_jk.so JkLogFile "logs/mod_jk.log" JkLogLevel error JkMount /TestProject loadbalancer JkMount /TestProject/* loadbalancer JkWorkersFile conf/workers.properties I tried specifying the absoluate path as well i.e. JkWorkersFile "C:/Program Files/Apache Software Foundation/Apache2.2/conf/workers.properties" But still ended up with the same problem. Below are the entries from workers.properties workers.tomcat_home=$TOMCAT_HOME workers.java_home=$JAVA_HOME ps=/ worker.list=tomcatA,tomcatB,tomcatC,loadbalancer worker.tomcatA.port=8109 worker.tomcatA.host=localhost worker.tomcatA.type=ajp13 worker.tomcatA.lbfactor=1 worker.tomcatB.port=8209 worker.tomcatB.host=localhost worker.tomcatB.type=ajp13 worker.tomcatB.lbfactor=1 worker.tomcatC.port=8309 worker.tomcatC.host=localhost worker.tomcatC.type=ajp13 worker.tomcatC.lbfactor=1 worker.loadbalancer.type=lb worker.loadbalancer.balanced_workers=tomcatA,tomcatB,tomcatC worker.loadbalancer.sticky_session=1 Can anyone help me to resolve this please ?

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  • Current alternative to the old CHECKSUM program

    - by faulty
    I'm looking for an application that does md5/sha hash check on specific files/folders periodically and store an index file per folder for future verification. I remember such application exist in DOS days, to detect files infected by virus. The main purpose for this is to detect corrupted copy of backup, as I understand that consumer grade hardware are not 100% error free when doing backup or file transfer from device to device. The hash can also be used to generate a list of changed files for backup. Most of the software I can find is hash manually. EDIT: Windows based application, preferably a shell extension which I can right click on a folder and do a checksum/verify all files in that folder. Even better if that can integrate with a backup/sync program like BeyondCopy

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  • Firebox Edge 11 and SBS 2008 VPN produces error 721

    - by Charlie Bear
    My VPN has stopped working. I have sbs 2008 and have run the VPN wizard. I have opened the port 1723 on my firebox edge as it instructed me to do. It was working but I think that an upgrade of the firebox software to version 11 has affected it. The port is still open. When connecting I get to verifying username and password then I get Error 721. Not sure whats wrong here. can anyone help?

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  • Utilize different region format for a single application on Mac OS X

    - by Jeff Hellman
    Is there a way to have a single Mac OS X application utilize a different region format than the system default? For example, I'd like to keep my system operating in English with US date formats but have my lesson planning software utilize French date formats. If I put my entire computer into French mode, I get the desired results, but I'd rather keep my entire system in US mode and have the Planbook application work with French region formats. I know about Language Switcher but that only allow per-app selections of localizations to be used, not which date format to use. I don't care about having the French localization of Planbook appear, I just want the date format to be French.

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  • Time Machine for Windows

    - by Kevin L.
    A simple Google search for "Time Machine for Windows" results in a flurry of different little apps. But instead of relying on forum anecdotes and advertisements, I call on the much wiser Super User beta community for some depth on this one. Having Time Machine running on Leopard is like a warm, fuzzy blanket of comfort that I never got with RAID, rsync, or SyncToy on Windows. I'm not asking the community what the "best" backup software for Windows is, but instead: Is there any true Time Machine clone for Windows, one that includes as many of the following as possible: Completely transparent, "set-it-and-forget-it" backup Incremental backups (changes only) for every hour for a day, every day for a month, and every week until the backup disk is full Ability to rebuild from this backup disk in case of main drive meltdown (the backup doesn't have to be bootable; neither are Time Machine disks) Extremely easy to use UI (target user == wife). Bonus points for a beautiful UI

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  • Load balance between two virtual directories on a single machine running IIS6

    - by Emil Lerch
    I'm trying to simulate a production environment using a single VM. The production environment will have 3 servers behind a load balancer with sticky sessions. Production will be using IIS6. For development, I have no need to distribute load, but I want to make sure the team does not write code that relies on a single-server module. I have been hoping to set up two virtual directories and find some isapi filter to perform some rudimentary software load balancing, but I've been unable to locate anything suitable. isapi_rewrite comes close but there's no ability for a random rewrite. I don't even need sticky sessions since the application does not (in theory) rely on them. Is there something easy/free to do this, or am I stuck with multiple VMs and a NLB setup (which seems like total overkill)?

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  • Work Item Keyboard Shortcuts, Resolving Mercurial Work Items, WikiPlex 2.0

    [Do you tweet? Follow us on Twitter @matthawley and @adacole_msft] We deployed the latest version of the CodePlex software yesterday. Keyboard Shortcuts With this release, we have added a set of keyboard shortcuts for common tasks in the Issue Tracker.  This feature is a popular request in the CodePlex Issue Tracker.  The CodePlex team visits the issue tracker frequently when researching and considering new features.  If you haven’t visited it recently, please take a few moments to log an idea or vote for the features you would most like to see implemented on CodePlex.   To view the available shortcuts, type ? from any page within the issue tracker to see this help dialog: You can see what each shortcut invokes below: Please give us feedback on this feature and let us know what additional shortcuts would be useful. Resolve Work Items When Pushing Mercurial Changes Another feature we added is the ability to resolve work items when push changes to your Mercurial repository, which has been available to our TFS / SVN users for quite some time. The required format is identical to the SVN format listed here. When committing your changes locally, add "Work Items: Id, AnotherId" to your commit message. When you push, CodePlex will detect this comment, add a commit message, and resolve the work item. WikiPlex Goes 2.0! CodePlex continues to improve WikiPlex, our open source wiki engine.  Wikiplex hit another major milestone today with the release of version 2.0!  We have added several new features, including:  interleaving ordered and unordered lists, specifying the height and width for images, a multi-line indentation macro, and a restructuring of some of the API. Visit Matt's announcement for more information on the release or grab the binaries via NuGet or CodePlex.

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  • Automate #include refactoring in C++ [on hold]

    - by Mikhail
    I have a big project with hundreds of files. And as it often happens to C++ projects, #include directives are in messed up. I want to refactor them to increase clarity, decrease compilation time and simplify analysis. For each .h file I want to make sure that: It have #include directives only for types it is using But it have only forward declarations of types that are used as T* or T& For each .cpp file I want to make sure that: It have #include directives only for types it is using and not already included by another headers (no indirect includes when possible) I'm looking for a tool which will help me to automate this refactoring. For now I only know of tools that helps to remove redundant includes, they are many: PC-lint include-what-you-use cppclean ProFactor IncludeManager But I know of no tools to help me to move necessary includes in .h files or replace includes with forward declarations. Any ideas? Tools for Windows and Visual Studio are preferred. Update. Considered to be off-topic. Please, follow the link on Software Recommendations http://softwarerecs.stackexchange.com/q/4461/3331

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  • How to solve 'Connection refused' errors in SSH connection?

    - by frbry
    I have an Ubuntu Server 10.10 32-bit in my home. I'm making SSH connections to it from my PC via Putty. The problem is, sometimes I'm able to login seamlessly. However, sometimes it gives me an error like this: Network error: Connection refused. Then, I dont't change anything, try to login a few times more, wait a while and try again. Sometimes I can log in, sometimes I cannot. It seems pretty random to me. What can I do to solve this? Edit: And Sometimes, Putty gives Network error: Software caused connection abort error after displaying login as: text. Here is the ping -t output: Pinging 192.168.2.254 with 32 bytes of data: Reply from 192.168.2.254: bytes=32 time=6ms TTL=64 Reply from 192.168.2.254: bytes=32 time=65ms TTL=6 Reply from 192.168.2.254: bytes=32 time=88ms TTL=6 Reply from 192.168.2.254: bytes=32 time=1ms TTL=64 Reply from 192.168.2.254: bytes=32 time=3ms TTL=64 Reply from 192.168.2.254: bytes=32 time=1ms TTL=64 Reply from 192.168.2.254: bytes=32 time=1ms TTL=64 Reply from 192.168.2.254: bytes=32 time=1ms TTL=64 Reply from 192.168.2.254: bytes=32 time=1ms TTL=64

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  • BSOD 0x000000f4(Probably caused by : wininit.exe)

    - by vacuum
    I have BSOD with 0x000000f4 code. It appears when system is not loaded at all. No new hardware where intalled. Only nvidia drivers where updated 3 days ago and they are up to date for now(version 296.10). System Health Report(perfmon /report) shows nothing interesting(only complained on disabled UAC) System is on SSD disk(WDC SSC-D0064SC-2100 B) Dump Spec: OS Name Microsoft Windows 7 Ultimate Version 6.1.7601 Service Pack 1 Build 7601 System Manufacturer Gigabyte Technology Co., Ltd. System Model P31-DS3L System Type x64-based PC Processor Intel(R) Core(TM)2 Duo CPU E7200 @ 2.53GHz, 2534 Mhz, 2 Core(s), 2 Logical Processor(s) BIOS Version/Date Award Software International, Inc. F9, 10.07.2008 Any suggestions?

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  • Teredo and IPV6 web servers

    - by Sandro Antonucci
    Hello, I have two different questions, the first one could be stupid. I was reading about IPV6 and ended up in this site http://test-ipv6.com/ that says that I have a public IPV6 with Teredo tunneling. I don't understand if this Teredo is a software thing, does it have to with my ISP, is it enabled by Windows, how do I get that IPV6 IP, where does it come from? I have windows 7. Second question, I have a VPS with IPV6 connectivity only I can connect to it (apparently thanks to Teredo) and visit pages from the web server using IPV6 IP directly into the browser, is it possibile to host a website on there accessible by the IPV4 network? maybe some dns servers than tunnel traffic from IPV4(user) to IPV6(server)? Thank you

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  • MyPaint is an Open-Source Graphics App for Digital Painters

    - by Asian Angel
    Are you looking for a terrific graphics app to use for original painting and artwork creation on your computer? Whether it is for you or the kids, MyPaint is an app that you should definitely have on hand for when those artistic moods come along. For our example we chose to install MyPaint on Ubuntu 10.10…you can easily find it in the Ubuntu Software Center by doing a quick search. Once you have it installed, all that is left to do is decide if you want to add additional brushes (link provided below) and then start having fun creating your next work of art. Here are some of MyPaint’s wonderful features: Exists for several platforms (Linux, Windows, and Mac OS X) Supports pressure sensitive graphics tablets Extensive brush creation and configuration options Unlimited canvas (you never have to resize) Basic layer support Comes with a large brush collection including charcoal and ink to emulate real media MyPaint is fun to use and can quickly become very addicting as you experiment during the creation process! Links MyPaint Homepage Download Additional Brushes for MyPaint Download the GIMP Plugin for the OpenRaster File Format Latest Features How-To Geek ETC Internet Explorer 9 RC Now Available: Here’s the Most Interesting New Stuff Here’s a Super Simple Trick to Defeating Fake Anti-Virus Malware How to Change the Default Application for Android Tasks Stop Believing TV’s Lies: The Real Truth About "Enhancing" Images The How-To Geek Valentine’s Day Gift Guide Inspire Geek Love with These Hilarious Geek Valentines MyPaint is an Open-Source Graphics App for Digital Painters Can the Birds and Pigs Really Be Friends in the End? [Angry Birds Video] Add the 2D Version of the New Unity Interface to Ubuntu 10.10 and 11.04 MightyMintyBoost Is a 3-in-1 Gadget Charger Watson Ties Against Human Jeopardy Opponents Peaceful Tropical Cavern Wallpaper

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  • links for 2011-02-17

    - by Bob Rhubart
    ArchitectACEs - Oracle Wiki Putting a Face on the Architect ACE The Oracle ACE s listed here have identified themselves, or have been identified by fellow ACEs, as software architects. As... (tags: ping.fm) Debra's thoughts on Oracle and User Groups: I did it - I did the Fusion UX Demo Oracle ACE Director Debra Lilley shares her experience in presenting a Fusion Applications demo at RMOUG. (tags: oracle otn oracleace) The Blas from Pas: JRuby Script to Monitor a Oracle WebLogic GridLink Data Source Remotely "In WebLogic 10.3.4 release, a single data source implementation has been introduced to support Oracle RAC cluster. To simplify and consolidate its support for Oracle RAC, WebLogic Server has provided a single data source that is enhanced to support the capabilities of Oracle RAC." (tags: oracle otn weblogic) Show Notes: Bob Hensle on IT Strategies from Oracle (ArchBeat) In Part 1 Bob Hensle talked about the various documents in the IT Strategies from Oracle library. In Part 2 (now available) Bob talks about how SOA and other factors are reflected in those documents. (tags: oracle otn entarch podcast) PODCAST: Examining the state of EA and findings of recent survey | Open Group Blog A transcript of a podcast panel discussion on the findings from a study on the current state and future direction of enterprise architecture from The Open Group Conference, San Diego 2011. (tags: entarch opengroup) A Virtual Dilemma (Antony Reynolds' Blog) SOA author Anthony Reynolds shares a solution. (tags: oracle otn soa) Webcast: Live Online Forum: Oracle Security - February 24, 9:00am PT Speakers: Mary Ann Davidson, Chief Security Officer, Oracle; Tom Kyte, Senior Technical Architect, Oracle; Jeff Margolies, Partner, Security Practice, Accenture; Vipin Samar, VP, Database Security Product Development Oracle; and Nishant Kaushik, Chief Strategist, Identity and Access Management. (tags: oracle security) Obama banks on cloud, consolidation, to hold down IT costs | Computerworld NZ President Obama's fiscal 2012 budget proposal keeps IT spending almost flat compared to fiscal 2010 mostly due to the consolidation of data centers and a shift to cloud computing systems. (tags: ping.fm)

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  • HP 1210 Scan Button does nothing.

    - by Jack M.
    I have an HP 1210 all-in-one nightmare of a printer which has decided not to listen to the scan button anymore. I've dug into it, and see in the properties of the scanner in Windows XP that it says "No applications are registered for this event" under what to do when the Scan button is pressed. I've tried re-installing the HP software, didn't help. Updated the drivers off the website, and downgraded them to the ones on the CD, neither had an effect. Is there any way to tell Windows to just open the Scan/Cammera wizard when I press the Scan button on the printer? Windows XP SP3, if that matters.

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  • Oracle Database 12c By Example – SQL Developer and Multitenant

    - by thatjeffsmith
    As you may have heard, Oracle Database 12c is now available. In addition to the binaries and docs going out, we also published a few new Oracle By Example (OBE) chapters. You can find those links here on our product page. Do you know who found these, practically the minute they were published? An enterprising DBA-extraordinaire who was just happening to be presenting at the ODTUG KScope13 conference in New Orleans. He thought it would be a good idea to download the new software over a hotel WIFI, install and create a new multitenant database, watch a few OBEs, and then demo that live for his ‘SQL Developer for DBAs‘ session. Pretty crazy, right? Well, he did it, and I was there to watch. Way cool. You can listen to @leight0nn tell his story in his own words via this ODTUG interview with @oraclenered. In case you’re too giddy to sit through the video, I’ll give you a preview – he succesfully cloned a pluggable database in about a minute with only a couple of clicks using Oracle SQL Developer 3.2.20.09 while connected to a 12c database.

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  • public key infrastructure - distribute bad root certificates

    - by iamrohitbanga
    Suppose a hacker launches a new Linux distro with firefox provided with it. Now a browser contains the certificates of the root certification authorities of PKI. Because firefox is a free browser anyone can package it with fake root certificates. Can this be used to authenticate some websites. How? Many existing linux distros are mirrored by people. They can easily package software containing certificates that can lead to such attacks. Is the above possible? Has such an attack taken place before?

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  • Optimising bare-metal hypervisor installation

    - by Stephen
    what is the best way to install a bare metal hypervisor (i.e. to host multiple VM's)? I spoke to a friend and he is using a HP server to host all his VMs with VMware ESXi, but he installed the VMWARE esxi software on a flash card. He can then use his full hard disk capacity from each drive for the VMs. Is this a pretty standard setup when configuring a bare-metal hypervisor? How do you guys do it, and what is best?

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  • Problem Installing Xubuntu 12.04 Audio-Video codecs

    - by Seib
    I used Crouton to install Xubuntu 12.04.4 LTS with the XFCE environment on my HP Chromebook 11. I've gotten it all fully installed and everything; the only thing I'm doing now is the basic setup things, like adding codecs and other things like LibreOffice, VLC, Firefox, Ubuntu Software Center, etc. This information I got from 2 sources: http://www.efytimes.com/e1/fullnews.asp?edid=137269 http://www.binarytides.com/better-xubuntu-14-04/ . I'm currently on the same step at both URLs, which is #6 on Link 1 and #8 on Link 2. Per the articles, which both said the same thing, I typed in sudo apt-get install xubuntu-restricted-extras libavcodec-extra and it didn't do anything. It just kept on saying the same thing: Reading package lists... Done Building dependency tree Reading state information... Done E: Unable to locate package libavcodec-extra I've spend the last hour or so scouring the internet for a solution, for a hint even at what is going on. I don't want to do a clean reinstall, for two reasons: 1) it's takes like 1.5h just to get the croot fully installed, and 2) everything but this out of what I've done so far (up to #6 at Link 1 & up to #8 at Link 2) works except the audio. I've already installed flash, so YouTube works fine. It's just I can't hear any audio. Please help? Thanks in advance. I appreciate all the great help I've been getting from AskUbuntu lately. You all are great.

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  • Is there any way to recover files in /usr/local directory on Ubuntu?

    - by Ilya
    We are running Ubuntu server on VPS. Some files were removed accidentally by placing unnecessary space this command: rm -r /usr/local <directory to be deleted> I know, that in most cases this directory is used by packages to place some part of their content. Is there any where to recover deleted files and directories? I suppose, that theoretically it should be possible. Some software can look through the list of installed packages, check presence of files in file system and recover or reinstall corrupted packages if their file are missing in /usr/local.

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  • Can Linux works as 802.1X authenticator in bridge mode ?

    - by Kartoch
    I want to create a lab for my students with netkit (a network emulator based on 802.1X) to study 802.1X. I can create the authentication server (FreeRadius) and configure the client with XSupplicant connected by a switch (a Linux in bridge mode). I'm looking to a way to configure the switch as Authenticator, i.e.: when the client is connected, the switch only forwards EAP packets to the authentication server. then the switch lets the user access to the local network when the authentication server authorizes the client. At the present time there is a lot of documentation to do this with a wireless point but no one for a switch. Does anyone have an idea or know the good software for it ?

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