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• Mount cifs on Ubuntu 11.10

  - by Renan Madeira

  I try mount some directories on my Ubuntu 11.10, but i can't it. mount -t cifs ///Renan /media/SM\ -\ Renan/ -o username=renan.madeira,password=,domain= When i open /media/SM\ -\ Renan, i received this message; bash: cd: /media/SM - Renan/: Permission denied I watch permissions on /media and see this; drwxrws--T 6 root 504 0 2011-08-21 21:35 SM - Renan 504 = GID of renan.madeira user on my samba server. Some suggestions?

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• Getting ADB to run

  - by gh0st_h4wk

  I've recently installed ubuntu and I need Android SDK (and subsequently, adb) in order to develop my apps to college. The fact is that, no matter what I do, I can't get adb to work. Exporting its place to the PATH didn't worked. I only get "file or directory not found" error while this are the contents of the PATH variable: renan@RocketQueen:~$ echo $PATH /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/home/renan/adt/sdk/tools:/home/renan/adt/sdk/platform-tools I don't want to install android-tools-adb/fastboot because they're outdate when compared to SDK Manager ones. What do I need to do in order for it to work from anywhere when called from terminal?

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• Aging vs. Coding Skills

  - by Renan Malke Stigliani

  A little background, since it can be part of my point fo view. I'm a C#/Java programmer with age of 23, coding since my 18's. I started studying C and working with Cobol, and after 1 year I quickly moved to C#/Java Web Development, and have worked with it in about 3/4 companies. (I've just moved again) In my (brief) professional career I encountered some older programmers, all the times it was very hard to work with them, since I was way better programmer than they. And it is not about just the language skills, some of them had seriously problems understanding basic logic. Now I wonder how theese programmer get jobs on the market since (I imagine) they have more expenses, and thus have to make more money, and are really counter-productives. In theese examples, others project member have to constantly keep stoping for helping them out. All the times, they eventually quit... So I wonder... May the aging process slow down the learning rate and logic thinking? Does the programmer has to, or at least should, move to a management area before getting old? Please, my intention is not to be disrespectful with older persons. I am fully aware that this is NOT the case of all older programmers, I often see around very good old programmers on the net, I just never met them for close.

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• How can I associate my main domain to a RSS?

  - by Renan

  This is an institutional site which uses Tumblr to keep the visitors updated. The Tumblr is linked via frames in the subdirectory /blog/ of the domain to track stats. My question is: How can I allow my visitors to retrieve the Tumblr updates by simply inputing www.domain.com in their feed reader instead of domain.tumblr.com? OR How can I allow my visitors to retrieve the Tumblr updates by simply inputing www.domain.com/blog in their feed reader instead of domain.tumblr.com? PS. For some reason the main domain is still associated with the old blogspot address.

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• Can I use a genetic algorithm for balancing character builds?

  - by Renan Malke Stigliani

  I'm starting to build a online PVP (duel like, one-on-one) game, where there is leveling, skill points, special attacks and all the common stuff. Since I have never done anything like this, I'm still thinking about the math behind the levels/skills/specials balance. So I thought a good way of testing the best builds/combos, would be to implement a Genetic Algorithm. It'd be like this: Generate a big group of random characters Make them fight, level them up accordingly to their victories(more XP)/losses(less XP) Mate the winners, crossing their builds, to try and make even better characters Add some more random chars, emulating new players Repeat the process for some time, or util I find some chars who can beat everyone's butt I could then play with the math and try to find better balances to make sure that the top x% of chars would be a mix of various build types. So, is it a good idea, or is there some other, easier method to do the balancing?

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• How to refresh Google Reader cache for a specific domain

  - by Renan

  Brief history domain.com was associated with a blogspot. domain.com changed to an institutional site and features a small code instructing which file should be retrieved by RSS readers. <link rel="alternate" type="application/rss+xml" href="http://domain.tumblr.com/rss" /> Google Reader didn't update the RSS to the new blog. domain.com/blog retrieves the posts correctly because it was never used for that purpose in the older blog. How is it possible to force Google Reader to update the cached information? I tried using another RSS reader and it worked perfectly with the new domain. However, when I tried to follow domain.com in another Google Reader account, it still showed the posts from the older blog. It's been almost a month that the aforementioned changes were made.

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• genetic algorithm for leveling/build test

  - by Renan Malke Stigliani

  I'm starting o build a online PVP (duel like, one-to-one) game, where there is leveling, skill points, special attacks and all the common stuff. Since I never did anything like that, I'm still thinking about the maths behind the level/skill/special balances. So I thought good way of testing the best/combo builds would implement a Genetic Algorith. It'd be like that: Generate a big portion of random characters Make them fight, level them up accordingly to the victories(more XP)/losses(less XP) Mate the winners, crossing their builds, to try to make even best characters Add some more random chars, emulating new players Repeat the process for some time, or util find some chars who can beat everyone butts So I could play with the math and try to find the balance where the top x% chars would be a mix of various build types. So, is it a good idea, or there are some other easier method to do the balance? PS: I like this also, because it sounds funny

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• How to solve "Login Only" rejection?

  - by Renan

  Recently, a site of mine was rejected due to "Login Only": "Login Only: During our review of your website, we found that the majority of pages on your site are behind a login, or there is restricted access. Please note that we will not approve applications for login-protected pages, as we are not able to review their content for acceptance into the program." Although the site does require login to send content, it doesn't require any to view any page. How do I tell the Googlebot or whatever is used to crawl pages to adsense that all the content is publicly available but registration is needed to post?

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• What is the best approach to copy public dynamic pages?

  - by Renan

  Situation: the government is supposed to publish official information online such as acts and laws. Problem: they're using 90s expertise to do it. You can tell that by the constant use of deprecated html tags such as <table and the lack of any compression at all, which makes some documents go way over 700,000 bytes even though they're pure text. Side problem: some companies are actually editing and selling this content that should be public and free. What I need to know is the best approach to offer said official content in my own site for free. I've thought of setting up a mirror to copy the official pages from time to time, since some of them are updated frequently, which would automatically be compressed as all my pages are via htaccess.

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• How to automatically render all opaque meshes with a specific shader?

  - by dsilva.vinicius

  I have a specular outline shader that I want to be used on all opaque meshes of the scene whenever a specific camera renders. The shader is working properly when it is manually applied to some material. The shader is as follows: Shader "Custom/Outline" { Properties { _Color ("Main Color", Color) = (.5,.5,.5,1) _OutlineColor ("Outline Color", Color) = (1,0.5,0,1) _Outline ("Outline width", Range (0.0, 0.1)) = .05 _SpecColor ("Specular Color", Color) = (0.5, 0.5, 0.5, 1) _Shininess ("Shininess", Range (0.03, 1)) = 0.078125 _MainTex ("Base (RGB) Gloss (A)", 2D) = "white" {} } SubShader { Tags { "Queue"="Overlay" "RenderType"="Opaque" } Pass { Name "OUTLINE" Tags { "LightMode" = "Always" } Cull Off ZWrite Off // Uncomment to show outline always. //ZTest Always CGPROGRAM #pragma target 3.0 #pragma vertex vert #pragma fragment frag #include "UnityCG.cginc" struct appdata { float4 vertex : POSITION; float3 normal : NORMAL; }; struct v2f { float4 pos : POSITION; float4 color : COLOR; }; float _Outline; float4 _OutlineColor; v2f vert(appdata v) { // just make a copy of incoming vertex data but scaled according to normal direction v2f o; o.pos = mul(UNITY_MATRIX_MVP, v.vertex); float3 norm = mul ((float3x3)UNITY_MATRIX_IT_MV, v.normal); float2 offset = TransformViewToProjection(norm.xy); o.pos.xy += offset * o.pos.z * _Outline; o.color = _OutlineColor; return o; } float4 frag(v2f fromVert) : COLOR { return fromVert.color; } ENDCG } UsePass "Specular/FORWARD" } FallBack "Specular" } The camera used fot the effect has just a script component which setups the shader replacement: using UnityEngine; using System.Collections; public class DetectiveEffect : MonoBehaviour { public Shader EffectShader; // Use this for initialization void Start () { this.camera.SetReplacementShader(EffectShader, "RenderType=Opaque"); } // Update is called once per frame void Update () { } } Unfortunately, whenever I use this camera I just see the background color. Any ideas?

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• Could these people get arrested? [closed]

  - by Vinicius Horta

  I have seen many of what is called 'private servers' mmorpg (multiplayer online games), which uses stolen sources,modified executable, clients and server. People launch up their own server using VPS or dedicated server and distribute online service among players disclaiming it has educational purposes only, saying they are studying the game engine and selling items for players disclaming it as 'donations', so it seems like they are getting donations to keep studying. We all know it's a comercial method. All of it is copyrighted material from enterprise ABCD. (ABCD = Fictional name, I'm not mentioning names). At their website they include the following: "Private Server XXXX" does not allow/support any conection to any company/organization associated with the game "XXXX". If you are anyway affiliated with enterprise "XXXXXXX", or any other company/organization associated with the game "XXXX" you may not view/open/read/execute/play/download any part of "Private Server XXXX" nor view "Private Server XXXX" website, if any company/organization requests you to investigate our website/server, you may not view "Private SERVER XXXX" or execute any action mentioned above. Any person caught disobeting this disclaimer will be punish to the fulleste extent of law. Can this guys get arrested? Do they disclaimer works? If I'm owner of enterprise X and I know people stole my source and are using them but they have such disclaimer I'm not allowed to investigate them?

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• On Windows it's possible to monitor the hard faults for each process?

  - by Renan Vinícius Mozone

  I'm tuning a production server that runs Windows Server 2003 SP2. I want to monitor the hard faults (read an write separately) for each process. Is it possible?

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• Windows 8 Start Screen very slow after Guest Additions

  - by Renan

  I installed Windows 8 Release Preview on a VirtualBox VM, and it worked correctly. Then I installed the Guest Additions to get the correct resolutions. Now, the Start screen is very slow, takes a long time to scroll and doesn't respond well to clicks. I believe it's not my host, as it's a good machine (i7 CPU, 6 GB of RAM) and this specifically starts to happen after installing the Guest Additions. The task manager doesn't show anything wrong (i.e. no processes pegging the CPU). Any suggestions?

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• How can I protect Chrome user interface?

  - by Renan

  Google Chrome has a feature to change between Google accounts which allows several users to have their customized extensions, history and whatnot retrieved instantly. It doesn't, however, protect someone else from checking anything google related. That means anyone with access to your computer can check every google account that was setup as user in Chrome. How can I prevent that? I first thought of checking a box with the option to have Chrome request for password upon user change but that doesn't seem to exist.

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• In a distributed environment, how can I configure log4j to log to different files for each JVM insta

  - by Renan Mozone

  My application runs on IBM WebSphere 6.1 Network Deployment. The application have several JSP files and Java classes. Today each host have only one JVM instance but my intention is to start another instance on each host. How can I configure log4j to log to different files for each JVM instance in the same host? I thought of using variable substitution on log4j XML configuration file but it only works with system properties. So, it is safe and recommended to set a custom system property just to store the JVM name? Anyone knows another strategy to achieve this in a 'elegant' way?

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• How "duplicated" Java code is optimized by the JVM JIT compiler?

  - by Renan Vinícius Mozone

  I'm in charge of maintaining a JSP based application, running on IBM WebSphere 6.1 (IBM J9 JVM). All JSP pages have a static include reference and in this include file there is some static Java methods declared. They are included in all JSP pages to offer an "easy access" to those utility static methods. I know that this is a very bad way to work, and I'm working to change this. But, just for curiosity, and to support my effort in changing this, I'm wondering how these "duplicated" static methods are optimized by the JVM JIT compiler. They are optimized separately even having the exact same signature? Does the JVM JIT compiler "sees" that these methods are all identical an provides an "unified" JIT'ed code?

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• It is possible to call a servlet from a Java class?

  - by Renan Mozone

  I'm using IBM WebSphere as my servlet container. My application has several servlets and Java classes. My intent is to call one of those servlets directly from a Java class. Doing some research I figured out that is possible to use the RequestDispatcher interface to achieve this. But it is necessary to pass the objects ServletRequest and ServletResponse as arguments to the method forward(). There is some way to bypass this safely and "nicely"? By "nicely" I meant to say preserving good programming and design patterns.

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• Debian's Wordpress with broken plugin path?

  - by Vinícius Ferrão

  I've installed an Wordpress from Debian Wheezy package system and the plugins folder appears to be broken. As stated in the error log files of Apache2: [error] File does not exist: /var/lib/wordpress/wp-content/plugins/var The plugins are looking for an URL based on the full path, and not on the relative path. I can "temporary fix" the problem making a symbolic link to /var on the plugins folder, but I know that this is wrong and dirty. I don't know where to start debugging this. So any help is welcome. Additional information: /etc/wordpress/htaccess # Multisites generated htaccess RewriteEngine On RewriteBase / RewriteRule ^index\.php$ - [L] # add a trailing slash to /wp-admin RewriteRule ^([_0-9a-zA-Z-]+/)?wp-admin$ $1wp-admin/ [R=301,L] RewriteCond %{REQUEST_FILENAME} -f [OR] RewriteCond %{REQUEST_FILENAME} -d RewriteRule ^ - [L] RewriteRule ^([_0-9a-zA-Z-]+/)?(wp-(content|admin|includes).*) $2 [L] RewriteRule ^([_0-9a-zA-Z-]+/)?(.*\.php)$ $2 [L] RewriteRule . index.php [L] Apache2 Configuration File: <VirtualHost *:80> Alias /wp-content /var/lib/wordpress/wp-content DocumentRoot /usr/share/wordpress ServerAdmin [email protected] <Directory /usr/share/wordpress> Options FollowSymLinks AllowOverride Limit Options FileInfo DirectoryIndex index.php Order allow,deny Allow from all </Directory> <Directory /var/lib/wordpress/wp-content> Options FollowSymLinks Order allow,deny Allow from all </Directory> </VirtualHost> Thanks in advance,

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• There is anything to consider in change IIS Pool Identity to Network Service instead ApplicationPoolIdentity?

  - by Vinicius Ottoni

  I'm facing a problem with IIS Pool Identity. I need to give right permissions to it user, but i cannot find the user that is setted to the IIS Pool Identity, that is ApplicationPoolIdentity. I find the user NetworkService that is a possible user to IIS Pool Identity. There is any problem or anything that i have to consider after change the IIS Pool Identity to NetworkService? OBS: I'm using Windows 7 (IIS 7.5)

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• auth.log is empty (Ubuntu)

  - by Vinicius Pinto

  The /var/log/auth.log file in my Ubuntu 9.04 is empty. syslogd is running and /etc/syslog.conf content is as follows. Any help? Thanks. # /etc/syslog.conf Configuration file for syslogd. # # For more information see syslog.conf(5) # manpage. # # First some standard logfiles. Log by facility. # auth,authpriv.* /var/log/auth.log *.*;auth,authpriv.none -/var/log/syslog #cron.* /var/log/cron.log daemon.* -/var/log/daemon.log kern.* -/var/log/kern.log lpr.* -/var/log/lpr.log mail.* -/var/log/mail.log user.* -/var/log/user.log # # Logging for the mail system. Split it up so that # it is easy to write scripts to parse these files. # mail.info -/var/log/mail.info mail.warning -/var/log/mail.warn mail.err /var/log/mail.err # Logging for INN news system # news.crit /var/log/news/news.crit news.err /var/log/news/news.err news.notice -/var/log/news/news.notice # # Some `catch-all' logfiles. # *.=debug;\ auth,authpriv.none;\ news.none;mail.none -/var/log/debug *.=info;*.=notice;*.=warning;\ auth,authpriv.none;\ cron,daemon.none;\ mail,news.none -/var/log/messages # # Emergencies are sent to everybody logged in. # *.emerg * # # I like to have messages displayed on the console, but only on a virtual # console I usually leave idle. # #daemon,mail.*;\ # news.=crit;news.=err;news.=notice;\ # *.=debug;*.=info;\ # *.=notice;*.=warning /dev/tty8 # The named pipe /dev/xconsole is for the `xconsole' utility. To use it, # you must invoke `xconsole' with the `-file' option: # # $ xconsole -file /dev/xconsole [...] # # NOTE: adjust the list below, or you'll go crazy if you have a reasonably # busy site.. # daemon.*;mail.*;\ news.err;\ *.=debug;*.=info;\ *.=notice;*.=warning |/dev/xconsole

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• Can I completely remove the Windows DNS in favour of BIND9 in an AD network?

  - by Vinícius Ferrão

  I would like to remove the DNS feature of Windows Domain Controllers and point the DNS servers to our BIND9 servers. I know it's possible to setup coexistence but this requires a number of extra Windows DNS Servers equals to the number of Domain Controllers in the network. Active Directory expects the _msdcs zone and other things like _tcp, _udp; etc. The main question is: how to make BIND9 takes care of all this AD specific data? And with dynamic updating to make AD even more happier. Thanks, PS: Making BIND9 points to the Windows DNS Servers to resolve the Active Directory specific zones isn't an option. We already do this... EDIT: As today, I'm running without Windows DNS. I'm writing up a guide on how to do this, and I'll update this topic.

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• How to add a disclaimer to forwarded messages to outside domains in Exchange 2013?

  - by Vinícius Ferrão

  I would like to implement some kind of filter to add a disclaimer message within emails forwarded to outside domains. Today we have some users that setup filters to forward messages to external mail servers, as example @gmail addresses. So this kind of forward should be marked with the disclaimer message. Not the normal fwd messages. We have a Postfix mailfiltering gateway too, if it's simpler to implement this on the mail filter, it could be a viable option. What would be the best approach to handle this issue? Thanks,

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• Login with Enterprise Principal Name using sssd AD backend in Ubuntu 14.04 LTS

  - by Vinícius Ferrão

  I’m running sssd version 1.11 with the AD backend in Ubuntu 14.04 LTS (1.11.5-1ubuntu3) to authenticate users from Active Directory running on Windows Server 2012 R2, and I’m trying to achieve logins with the User Principal Name for all users of the domain. But the UPN are always Enterprise Principal Names. Let-me illustrate the problem with my user account: Domain: local.example.com sAMAccountName: ferrao UPN: [email protected] (there’s no local in the UPN) I can successfully login with the sAMAccountName atribute, which is fine, but I can’t login with [email protected] which is my UPN. The optimum solution for me is to allow logins from sAMAccountName and the UPN (User Principal Name). If’s not possible, the UPN should be the right way instead of the sAMAccountName. Another annoyance is the homedir pattern with those options in sssd.conf: default_shell = /bin/bash fallback_homedir = /home/%d/%u What I would like to achieve is separated home directories from the EPN. For example: /home/example.com/user /home/whatever.example.com/user But with this pattern I can’t map the way I would like to do. I’ve looked through man pages and was unable to find any answers for this issues. Thanks,

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• Specific font in Windows 7 works, but in Windows Server 2003 doesn't. Why?

  - by Vinicius Ottoni

  I have a .TTF font and when i open it in Windwos 7 it's all ok, the characters is appearing in various sizes and etc.., but when i open it in Windows Server 2003 nothing is appearing inside it. Shows up a "blank font", whitout the characters. I need that font for my app that have to work in both systems... Obs: all others fonts are ok in Windows Server 2003, when i open anyone the characters is appearing. -- EDIT I copy the font to another Windows Server 2003.... and works fine. Anyone have any idea?

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• Bound external Cisco CIGESM ports to a specific BladeServer

  - by Vinícius Ferrão

  We have an IBM BladeCenter with 14 blade servers and one external Cisco CIGESM for Ethernet connectivity. Since this hardware is a little old, we will use it for other services, and we want to run a pfSense instance on one of the blades. It's just an Firewall Appliance, but it needs two network interfaces: one for the WAN and the other one for LAN access. Our architecture works on top of static routes, we don't use NAT, so we got the WAN IP in one interface routing to the another one. The main problem is how to plug the WAN cable in one of the four external ports and make it exclusive to the blade server containing the firewall. And we also need an exit port that goes through a 3COM 4200G switch that makes the internal routing and VLAN separation. Thanks in advance

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