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• Is this over-abstraction? (And is there a name for it?)

  - by mwhite

  I work on a large Django application that uses CouchDB as a database and couchdbkit for mapping CouchDB documents to objects in Python, similar to Django's default ORM. It has dozens of model classes and a hundred or two CouchDB views. The application allows users to register a "domain", which gives them a unique URL containing the domain name that gives them access to a project whose data has no overlap with the data of other domains. Each document that is part of a domain has its domain property set to that domain's name. As far as relationships between the documents go, all domains are effectively mutually exclusive subsets of the data, except for a few edge cases (some users can be members of more than one domain, and there are some administrative reports that include all domains, etc.). The code is full of explicit references to the domain name, and I'm wondering if it would be worth the added complexity to abstract this out. I'd also like to know if there's a name for the sort of bound property approach I'm taking here. Basically, I have something like this in mind: Before in models.py class User(Document): domain = StringProperty() class Group(Document): domain = StringProperty() name = StringProperty() user_ids = StringListProperty() # method that returns related document set def users(self): return [User.get(id) for id in self.user_ids] # method that queries a couch view optimized for a specific lookup @classmethod def by_name(cls, domain, name): # the view method is provided by couchdbkit and handles # wrapping json CouchDB results as Python objects, and # can take various parameters modifying behavior return cls.view('groups/by_name', key=[domain, name]) # method that creates a related document def get_new_user(self): user = User(domain=self.domain) user.save() self.user_ids.append(user._id) return user in views.py: from models import User, Group # there are tons of views like this, (request, domain, ...) def create_new_user_in_group(request, domain, group_name): group = Group.by_name(domain, group_name)[0] user = User(domain=domain) user.save() group.user_ids.append(user._id) group.save() in group/by_name/map.js: function (doc) { if (doc.doc_type == "Group") { emit([doc.domain, doc.name], null); } } After models.py class DomainDocument(Document): domain = StringProperty() @classmethod def domain_view(cls, *args, **kwargs): kwargs['key'] = [cls.domain.default] + kwargs['key'] return super(DomainDocument, cls).view(*args, **kwargs) @classmethod def get(cls, *args, **kwargs, validate_domain=True): ret = super(DomainDocument, cls).get(*args, **kwargs) if validate_domain and ret.domain != cls.domain.default: raise Exception() return ret def models(self): # a mapping of all models in the application. accessing one returns the equivalent of class BoundUser(User): domain = StringProperty(default=self.domain) class User(DomainDocument): pass class Group(DomainDocument): name = StringProperty() user_ids = StringListProperty() def users(self): return [self.models.User.get(id) for id in self.user_ids] @classmethod def by_name(cls, name): return cls.domain_view('groups/by_name', key=[name]) def get_new_user(self): user = self.models.User() user.save() views.py @domain_view # decorator that sets request.models to the same sort of object that is returned by DomainDocument.models and removes the domain argument from the URL router def create_new_user_in_group(request, group_name): group = request.models.Group.by_name(group_name) user = request.models.User() user.save() group.user_ids.append(user._id) group.save() (Might be better to leave the abstraction leaky here in order to avoid having to deal with a couchapp-style //! include of a wrapper for emit that prepends doc.domain to the key or some other similar solution.) function (doc) { if (doc.doc_type == "Group") { emit([doc.name], null); } } Pros and Cons So what are the pros and cons of this? Pros: DRYer prevents you from creating related documents but forgetting to set the domain. prevents you from accidentally writing a django view - couch view execution path that leads to a security breach doesn't prevent you from accessing underlying self.domain and normal Document.view() method potentially gets rid of the need for a lot of sanity checks verifying whether two documents whose domains we expect to be equal are. Cons: adds some complexity hides what's really happening requires no model modules to have classes with the same name, or you would need to add sub-attributes to self.models for modules. However, requiring project-wide unique class names for models should actually be fine because they correspond to the doc_type property couchdbkit uses to decide which class to instantiate them as, which should be unique. removes explicit dependency documentation (from group.models import Group)

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• Changing User/Group to allow PHP to chmod/rename and move_upload_file()

  - by moe

  It seems like I cannot do anything with my PHP script on my VPS. It returns 'Permission denied' when I try to upload something to a directory. Yes, I have changed the permission to 777, and it works, but I do not like the insecurity When running the command: ps axu|grep apache|grep -v grep It returns nobody 7689 0.1 3.8 50604 20036 ? S 21:38 0:00 /usr/local/apache/bin/httpd -k start -DSSL root 13600 0.0 3.8 50304 20348 ? Ss Jun06 0:46 /usr/local/apache/bin/httpd -k start -DSSL nobody 15733 0.1 3.8 50700 20156 ? S 21:39 0:00 /usr/local/apache/bin/httpd -k start -DSSL nobody 15818 0.1 3.8 51492 20180 ? S 21:39 0:00 /usr/local/apache/bin/httpd -k start -DSSL nobody 23843 0.1 3.7 51336 19592 ? S 21:40 0:00 /usr/local/apache/bin/httpd -k start -DSSL nobody 30335 0.0 3.5 50436 18496 ? S 21:41 0:00 /usr/local/apache/bin/httpd -k start -DSSL nobody 30406 0.0 3.5 50444 18544 ? S 21:41 0:00 /usr/local/apache/bin/httpd -k start -DSSL nobody 30407 0.0 3.5 50556 18696 ? S 21:41 0:00 /usr/local/apache/bin/httpd -k start -DSSL nobody 30472 0.0 3.6 50828 19348 ? S 21:41 0:00 /usr/local/apache/bin/httpd -k start -DSSL nobody 30474 0.0 3.5 50668 18868 ? S 21:41 0:00 /usr/local/apache/bin/httpd -k start -DSSL nobody 30476 0.0 3.6 50532 19064 ? S 21:41 0:00 /usr/local/apache/bin/httpd -k start -DSSL nobody 30501 0.0 3.8 50556 20080 ? S 21:36 0:00 /usr/local/apache/bin/httpd -k start -DSSL nobody 32341 0.0 3.5 50444 18492 ? S 21:41 0:00 /usr/local/apache/bin/httpd -k start -DSSL nobody 32370 0.0 3.5 50444 18476 ? S 21:42 0:00 /usr/local/apache/bin/httpd -k start -DSSL nobody 32414 0.1 3.7 51336 19524 ? S 21:42 0:00 /usr/local/apache/bin/httpd -k start -DSSL nobody 32416 0.1 3.5 50668 18816 ? S 21:42 0:00 /usr/local/apache/bin/httpd -k start -DSSL nobody 32457 0.1 3.6 50828 19320 ? S 21:42 0:00 /usr/local/apache/bin/httpd -k start -DSSL nobody 32458 0.1 3.6 50772 19276 ? S 21:42 0:00 /usr/local/apache/bin/httpd -k start -DSSL nobody 32459 0.0 3.5 50444 18504 ? S 21:42 0:00 /usr/local/apache/bin/httpd -k start -DSSL nobody 32460 0.2 3.6 50828 19320 ? S 21:42 0:00 /usr/local/apache/bin/httpd -k start -DSSL nobody 32463 0.0 3.5 50444 18472 ? S 21:42 0:00 /usr/local/apache/bin/httpd -k start -DSSL nobody 32466 0.0 3.4 50436 17960 ? S 21:42 0:00 /usr/local/apache/bin/httpd -k start -DSSL The owner of the directory is 'user [505]' and the group is 'user[508]' (as seen in WinSCP) What can I do to change the Apache Handler to the right owner and group to allow my PHP scripts to work? P.S My PHP is not set to safe mode, and the open_basedir is set to no value EDIT: This is what my httpd.conf looks like (for the associative domain) <VirtualHost *:80> ServerName domain.com ServerAlias www.domain.com DocumentRoot /home/domain/public_html ServerAdmin info@domain ## User <theUsername> # Needed for Cpanel::ApacheConf <IfModule mod_userdir.c> Userdir disabled Userdir enabled <userName> </IfModule> <IfModule mod_suphp.c> suPHP_UserGroup <userName> <userName> </IfModule> <IfModule !mod_disable_suexec.c> SuexecUserGroup <userName> <userName> </IfModule> CustomLog /usr/local/apache/domlogs/domain.com-bytes_log "%{%s}t %I .\n%{%s}t %O ." CustomLog /usr/local/apache/domlogs/domain.com combined ScriptAlias /cgi-bin/ /home/domain/public_html/cgi-bin/ #Options -ExecCGI -Includes #RemoveHandler cgi-script .cgi .pl .plx .ppl .perl

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• EntityManager injection works in JBoss 7.1.1 but not WebSphere 7

  - by BikerJared

  I've built an EJB that will manage my database access. I'm building a web app around it that uses Struts 2. The problem I'm having is when I deploy the ear, the EntityManager doesn't get injected into my service class (and winds up null and results in NullPointerExceptions). The weird thing is, it works on JBoss 7.1.1 but not on WebSphere 7. You'll notice that Struts doesn't inject the EJB, so I've got some intercepter code that does that. My current working theory right now is that the WS7 container can't inject the EntityManager because of Struts for some unknown reason. My next step is to try Spring next, but I'd really like to get this to work if possible. I've spent a few days searching and trying various things and haven't had any luck. I figured I'd give this a shot. Let me know if I can provide additional information. <?xml version="1.0" encoding="UTF-8"?> <persistence xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="1.0" xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd"> <persistence-unit name="JPATestPU" transaction-type="JTA"> <description>JPATest Persistence Unit</description> <jta-data-source>jdbc/Test-DS</jta-data-source> <class>org.jaredstevens.jpatest.db.entities.User</class> <properties> <property name="hibernate.hbm2ddl.auto" value="update"/> </properties> </persistence-unit> </persistence> package org.jaredstevens.jpatest.db.entities; import java.io.Serializable; import javax.persistence.*; @Entity @Table public class User implements Serializable { private static final long serialVersionUID = -2643583108587251245L; private long id; private String name; private String email; @Id @GeneratedValue(strategy = GenerationType.TABLE) public long getId() { return id; } public void setId(long id) { this.id = id; } @Column(nullable=false) public String getName() { return this.name; } public void setName( String name ) { this.name = name; } @Column(nullable=false) public String getEmail() { return this.email; } @Column(nullable=false) public void setEmail( String email ) { this.email= email; } } package org.jaredstevens.jpatest.db.services; import java.util.List; import javax.ejb.Remote; import javax.ejb.Stateless; import javax.ejb.TransactionAttribute; import javax.ejb.TransactionAttributeType; import javax.persistence.EntityManager; import javax.persistence.PersistenceContext; import javax.persistence.PersistenceContextType; import javax.persistence.Query; import org.jaredstevens.jpatest.db.entities.User; import org.jaredstevens.jpatest.db.interfaces.IUserService; @Stateless(name="UserService",mappedName="UserService") @Remote public class UserService implements IUserService { @PersistenceContext(unitName="JPATestPU",type=PersistenceContextType.TRANSACTION) private EntityManager em; @TransactionAttribute(TransactionAttributeType.REQUIRED) public User getUserById(long userId) { User retVal = null; if(userId > 0) { retVal = (User)this.getEm().find(User.class, userId); } return retVal; } @TransactionAttribute(TransactionAttributeType.REQUIRED) public List<User> getUsers() { List<User> retVal = null; String sql; sql = "SELECT u FROM User u ORDER BY u.id ASC"; Query q = this.getEm().createQuery(sql); retVal = (List<User>)q.getResultList(); return retVal; } @TransactionAttribute(TransactionAttributeType.REQUIRED) public void save(User user) { this.getEm().persist(user); } @TransactionAttribute(TransactionAttributeType.REQUIRED) public boolean remove(long userId) { boolean retVal = false; if(userId > 0) { User user = null; user = (User)this.getEm().find(User.class, userId); if(user != null) this.getEm().remove(user); if(this.getEm().find(User.class, userId) == null) retVal = true; } return retVal; } public EntityManager getEm() { return em; } public void setEm(EntityManager em) { this.em = em; } } package org.jaredstevens.jpatest.actions.user; import javax.ejb.EJB; import org.jaredstevens.jpatest.db.entities.User; import org.jaredstevens.jpatest.db.interfaces.IUserService; import com.opensymphony.xwork2.ActionSupport; public class UserAction extends ActionSupport { @EJB(mappedName="UserService") private IUserService userService; private static final long serialVersionUID = 1L; private String userId; private String name; private String email; private User user; public String getUserById() { String retVal = ActionSupport.SUCCESS; this.setUser(userService.getUserById(Long.parseLong(this.userId))); return retVal; } public String save() { String retVal = ActionSupport.SUCCESS; User user = new User(); if(this.getUserId() != null && Long.parseLong(this.getUserId()) > 0) user.setId(Long.parseLong(this.getUserId())); user.setName(this.getName()); user.setEmail(this.getEmail()); userService.save(user); this.setUser(user); return retVal; } public String getUserId() { return this.userId; } public void setUserId(String userId) { this.userId = userId; } public String getName() { return this.name; } public void setName( String name ) { this.name = name; } public String getEmail() { return this.email; } public void setEmail( String email ) { this.email = email; } public User getUser() { return this.user; } public void setUser(User user) { this.user = user; } } package org.jaredstevens.jpatest.utils; import com.opensymphony.xwork2.ActionInvocation; import com.opensymphony.xwork2.interceptor.Interceptor; public class EJBAnnotationProcessorInterceptor implements Interceptor { private static final long serialVersionUID = 1L; public void destroy() { } public void init() { } public String intercept(ActionInvocation ai) throws Exception { EJBAnnotationProcessor.process(ai.getAction()); return ai.invoke(); } } package org.jaredstevens.jpatest.utils; import java.lang.reflect.Field; import javax.ejb.EJB; import javax.naming.Context; import javax.naming.InitialContext; import javax.naming.NamingException; public class EJBAnnotationProcessor { public static void process(Object instance)throws Exception{ Field[] fields = instance.getClass().getDeclaredFields(); if(fields != null && fields.length > 0){ EJB ejb; for(Field field : fields){ ejb = field.getAnnotation(EJB.class); if(ejb != null){ field.setAccessible(true); field.set(instance, EJBAnnotationProcessor.getEJB(ejb.mappedName())); } } } } private static Object getEJB(String mappedName) { Object retVal = null; String path = ""; Context cxt = null; String[] paths = {"cell/nodes/virgoNode01/servers/server1/","java:module/"}; for( int i=0; i < paths.length; ++i ) { try { path = paths[i]+mappedName; cxt = new InitialContext(); retVal = cxt.lookup(path); if(retVal != null) break; } catch (NamingException e) { retVal = null; } } return retVal; } } <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN" "http://struts.apache.org/dtds/struts-2.0.dtd"> <struts> <constant name="struts.devMode" value="true" /> <package name="basicstruts2" namespace="/diagnostics" extends="struts-default"> <interceptors> <interceptor name="ejbAnnotationProcessor" class="org.jaredstevens.jpatest.utils.EJBAnnotationProcessorInterceptor"/> <interceptor-stack name="baseStack"> <interceptor-ref name="defaultStack"/> <interceptor-ref name="ejbAnnotationProcessor"/> </interceptor-stack> </interceptors> <default-interceptor-ref name="baseStack"/> </package> <package name="restAPI" namespace="/conduit" extends="json-default"> <interceptors> <interceptor name="ejbAnnotationProcessor" class="org.jaredstevens.jpatest.utils.EJBAnnotationProcessorInterceptor" /> <interceptor-stack name="baseStack"> <interceptor-ref name="defaultStack" /> <interceptor-ref name="ejbAnnotationProcessor" /> </interceptor-stack> </interceptors> <default-interceptor-ref name="baseStack" /> <action name="UserAction.getUserById" class="org.jaredstevens.jpatest.actions.user.UserAction" method="getUserById"> <result type="json"> <param name="ignoreHierarchy">false</param> <param name="includeProperties"> ^user\.id, ^user\.name, ^user\.email </param> </result> <result name="error" type="json" /> </action> <action name="UserAction.save" class="org.jaredstevens.jpatest.actions.user.UserAction" method="save"> <result type="json"> <param name="ignoreHierarchy">false</param> <param name="includeProperties"> ^user\.id, ^user\.name, ^user\.email </param> </result> <result name="error" type="json" /> </action> </package> </struts> Stack Trace java.lang.NullPointerException org.jaredstevens.jpatest.actions.user.UserAction.save(UserAction.java:38) sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:60) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37) java.lang.reflect.Method.invoke(Method.java:611) com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:453) com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:292) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:255) org.jaredstevens.jpatest.utils.EJBAnnotationProcessorInterceptor.intercept(EJBAnnotationProcessorInterceptor.java:21) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:256) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:176) com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:265) org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:68) com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:138) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:211) com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:211) com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:190) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:75) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:90) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:243) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:100) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:141) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:145) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:171) com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:176) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:192) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:187) com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249) org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:54) org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:511) org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77) org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:91) com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:188) com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:116) com.ibm.ws.webcontainer.filter.WebAppFilterChain._doFilter(WebAppFilterChain.java:77) com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:908) com.ibm.ws.webcontainer.filter.WebAppFilterManager.invokeFilters(WebAppFilterManager.java:997) com.ibm.ws.webcontainer.extension.DefaultExtensionProcessor.invokeFilters(DefaultExtensionProcessor.java:1062) com.ibm.ws.webcontainer.extension.DefaultExtensionProcessor.handleRequest(DefaultExtensionProcessor.java:982) com.ibm.ws.webcontainer.webapp.WebApp.handleRequest(WebApp.java:3935) com.ibm.ws.webcontainer.webapp.WebGroup.handleRequest(WebGroup.java:276) com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:931) com.ibm.ws.webcontainer.WSWebContainer.handleRequest(WSWebContainer.java:1583) com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:186) com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:452) com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewRequest(HttpInboundLink.java:511) com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.processRequest(HttpInboundLink.java:305) com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.ready(HttpInboundLink.java:276) com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.sendToDiscriminators(NewConnectionInitialReadCallback.java:214) com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.complete(NewConnectionInitialReadCallback.java:113) com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:165) com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:217) com.ibm.io.async.AsyncChannelFuture.fireCompletionActions(AsyncChannelFuture.java:161) com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:138) com.ibm.io.async.ResultHandler.complete(ResultHandler.java:204) com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:775) com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:905) com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1604)

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• Unable to set password in IIS 8 for Domain User as ApplicationPool Identity

  - by Niels R.

  I'm trying to set a Domain User account as ApplicationPool Identity in IIS 8 (Windows 2012). When trying this using the IIS Management Console I always get an error: Value does not fall within the expected range. When trying to set the identity using appcmd.exe it fails on both the command setting the username and password or the command only setting the password. Setting the username is no problem. Trying to set both the username and password [FAIL]: >appcmd set config /section:applicationPools /[name='AppPoolName'].processModel.identityType:SpecificUser /[name='AppPoolName'].processModel.userName:DOMAIN\Username /[name='AppPoolName'].processModel.password:P4ssW0rd Applied configuration changes to section "system.applicationHost/applicationPools" for "MACHINE/WEBROOT/APPHOST" at configuration commit path "MACHINE/WEBROOT/APPHOST" ERROR ( hresult:80070057, message:Failed to commit configuration changes. The parameter is incorrect. ) Trying to set only the username [SUCCESS]: >appcmd set config /section:applicationPools /[name='AppPoolName'].processModel.identityType:SpecificUser /[name='AppPoolName'].processModel.userName:DOMAIN\Username Applied configuration changes to section "system.applicationHost/applicationPools" for "MACHINE/WEBROOT/APPHOST" at configuration commit path "MACHINE/WEBROOT/APPHOST" Trying to set the password after successfully setting the username [FAIL]: >appcmd set config /section:applicationPools /[name='AppPoolName'].processModel.identityType:SpecificUser /[name='AppPoolName'].processModel.password:P4ssW0rd Applied configuration changes to section "system.applicationHost/applicationPools" for "MACHINE/WEBROOT/APPHOST" at configuration commit path "MACHINE/WEBROOT/APPHOST" ERROR ( hresult:80070057, message:Failed to commit configuration changes. The parameter is incorrect. ) I added the Domain User to the IIS_IUSRS group and allowed it to "Log on as a service". Any suggestions what I might be doing wrong?

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• LDAP change user pass on client

  - by Sean

  I am trying to allow ldap users to change their password on client machines. I have tried pam every which way I can think of /etc/ldap.conf & /etc/pam_ldap.conf, as well. At this point I'm stuck. Client: Ubuntu 11.04 Server: Debian 6.0 The current output is this: sobrien4@T-E700F-1:~$ passwd passwd: Authentication service cannot retrieve authentication info passwd: password unchanged /var/log/auth.log gives this during the command: May 9 10:49:06 T-E700F-1 passwd[18515]: pam_unix(passwd:chauthtok): user "sobrien4" does not exist in /etc/passwd May 9 10:49:06 T-E700F-1 passwd[18515]: pam_ldap: ldap_simple_bind Can't contact LDAP server May 9 10:49:06 T-E700F-1 passwd[18515]: pam_ldap: reconnecting to LDAP server... May 9 10:49:06 T-E700F-1 passwd[18515]: pam_ldap: ldap_simple_bind Can't contact LDAP server getent passwd |grep sobrien4 (note keeping short since testing with that account, however it outputs all ldap users): sobrien4:Ffm1oHzwnLz0U:10000:12001:Sean O'Brien:/home/sobrien4:/bin/bash getent group shows all ldap groups. /etc/pam.d/common-password (Note this is just the most current, I have tried a lot of different options): password required pam_cracklib.so retry=3 minlen=8 difok=3 password [success=1 default=ignore] pam_unix.so use_authtok md5 password required pam_ldap.so use_authtok password required pam_permit.so Popped open wireshark as well, the server & client are talking. I have the password changing working on the server. I.E. the server that runs slapd, I can log in with the ldap user and change the passwords. I tried copying the working configs from the server initially and no dice. I also tried cloning it, and just changing ip & host, and no go. My guess is that the client is not authorized by ip or hostname to change a pass. Pertaining to the slapd conf, I saw this in a guide and tried it: access to attrs=loginShell,gecos by dn="cn=admin,dc=cengineering,dc=etb" write by self write by * read access to * by dn="cn=admin,dc=cengineering,dc=etb" write by self write by * read So ldap seems to be working okay, just can't change the password.

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• Preventing access to files if a user types the full url on the address bar

  - by bogha

  i have a website, some folders on the websites contains images and files like .pdf , .doc and .docx . the user can easly just type the address in the url to get the file or display the photo http://site/folder1/img/pic1.jpg then boom.. he can see the image or just download the file my question is: how to prevent this kind of action, how can i guarantee a secure access of the files. any suggestions UPDATE TO CLARIFY MY IDEA i don't want any user who is browsing the website to get access to these files normally by just writing the URL of the file. those files are a CV files, they are being uploaded by the users to a specific folder on the server which we host outside the company. those files are only being viewed by the HR people through a special system. that's the scenario we want. i don't want a WEB GEEK who just wants to see what files has been uploaded to this folder to download them easly to his/her computer and view them or publish them on the internet. i hope you got my idea

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• upstart config to start sync daemon as non-root user

  - by Rudiger Wolf

  I am planning to use inosync to sync data from master server to several client servers. I have created a user called rsyncuser in both master and slaves with access permissions and passwordless ssh access from master to slave servers. Inosync is working when I use it from the command line as rsyncuser. Next I want this to start automatically when server is turned on. I figured upstart is the way to get this working. I am unable to find the right upstart command to get this working. Here is my upstart conf file. The problem seems to be around running "inosync -d -c /etc/inosync/inosync_rsyncuser.py" as a given user. As you can see I have tried a number of various options! description "start inosync to sync data to other CDN Servers as rsyncuser" console output #start on startup #stop on shutdown start on (net-device-up and local-filesystems) stop on runlevel [016] #start on runlevel [2345] #stop on runlevel [!2345] #kill timeout 30 env RUN_AS_USER=rsyncuser expect fork script echo "Inosync updtart job seems to have started" /tmp/upstart.log # exec sudo -u rsyncuser -c "ls -la" /tmp/upstart.log 2&1 # LOGFILE=/var/log/logfile.`date +%Y-%m-%d`.log # exec su - $RUN_AS_USER -c "inosync -d -c /etc/inosync/inosync_rsyncuser.py" $LOGFILE 2&1 # exec su -c "ls -la" /tmp/upstart.log 2&1 # emit inosync_running end script

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• With a username passed to a script, find the user's home directory

  - by Clinton Blackmore

  I am writing a script that gets called when a user logs in and check if a certain folder exists or is a broken symlink. (This is on a Mac OS X system, but the question is purely bash). It is not elegant, and it is not working, but right now it looks like this: #!/bin/bash # Often users have a messed up cache folder -- one that was redirected # but now is just a broken symlink. This script checks to see if # the cache folder is all right, and if not, deletes it # so that the system can recreate it. USERNAME=$3 if [ "$USERNAME" == "" ] ; then echo "This script must be run at login!" >&2 exit 1 fi DIR="~$USERNAME/Library/Caches" cd $DIR || rm $DIR && echo "Removed misdirected Cache folder" && exit 0 echo "Cache folder was fine." The crux of the problem is that the tilde expansion is not working as I'd like. Let us say that I have a user named george, and that his home folder is /a/path/to/georges_home. If, at a shell, I type: cd ~george it takes me to the appropriate directory. If I type: HOME_DIR=~george echo $HOME_DIR It gives me: /a/path/to/georges_home However, if I try to use a variable, it does not work: USERNAME="george" cd ~$USERNAME -bash: cd: ~george: No such file or directory I've tried using quotes and backticks, but can't figure out how to make it expand properly. How do I make this work?

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• How can I explain to dspam that the user "brandon" is the same as "brandon@mydomain"

  - by Brandon Craig Rhodes

  I am using dspam for spam filtering by running the "dspamd" daemon under Ubuntu 9.10 and then setting up a Postfix rule that says: smtpd_recipient_restrictions = ... check_client_access pcre:/etc/postfix/dspam_everything ... where that PCRE map looks like this: /./ FILTER lmtp:[127.0.0.1]:11124 This works well, and means that all users on my system get all of their email, whether "dspam" thinks it is innocent or not, and have the option of filtering on its decisions or ignoring them. The problem comes when I want to train dspam using my email archives. After reading about the "dspam" command, I tried this on the files in my Inbox and spam boxes (which date from when I was using another filtering solution): for file in Mail/Inbox/*; do cat $file | dspam --class=innocent --source=corpus; done for file in Mail/spam/*; do cat $file | dspam --class=spam --source=corpus; done The symptom I noticed after doing all of this was that dspam was horrible at classifying spam — it couldn't find any! The problem, when I tracked it down, was that I was training the user "brandon" with the above commands, but the incoming email was instead compared against the username "brandon@mydomain", so it was running against a completely empty training database! So, what can I do to make the above commands actually train my fully-qualified email address rather than my bare username? I would like to avoid having to run "dspam" as root with a "--user" option. I would have expected that the "dspam" configuration files would have had an "append_domain" attribute or something with which to decorate local usernames with an appropriate email domain, but I can't find any such thing. When I used to use the Berkeley DB backend to "dspam", I solved this problem by creating a symlink from one of the databases to the other. :-) But that solution eventually died because the BDB backend is not thread-safe, so now I have moved to the PostgreSQL back-end and need a way to solve the problem there. And, no, the table where it keeps usernames has a UNIQUE constraint that prevents me from listing both usernames as mapping to the same ID. :-)

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• A separate user for each task?

  - by Mark Tomlin

  I just got a VPS sver the other day, I'm new to server administration, but not that new to Ubuntu (11.04). I use it in my living room as the HTPC, and I had a previous VPS that I used on and off for a team speak server. This one I'm setting up for long term use. So I would like to know the best practice when it comes to websites and tasks that I have the server proforming. I understand that it could be beneficial to separate each website into it's own usergroup or under its own username. I would setup nginx so that it could read all of the users directors (and thus each website) but could not touch anything else. The same with the TeamSpeak, should I make a user for TeamSpeak so that it operates within its own confined area or is this overkill? I do have access to root on the sever and my current plan is to run about 4 websites and a TeamSpeak server. My stack is Linux (Ubuntu 11.04 LTS), nginx, and PHP 5.4.3 (using the PDO SQLite 3 built in driver for the database). Should PHP have it's own user group or is it ok to place it in with nginx?

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• LDAP ACLs with ldapmodify & .ldif file grand user access only

  - by plaetzchen

  I want to change the settings my new LDAP server let only users of the server read entries and not anonymous. Currently my olcAccess looks like this: olcAccess: {0} to attrs=userPassword,shadowLastChange by self write by anonymous auth by dn="cn=admin,dc=example,dc=com" write by * none olcAccess: {1} to * by self write by dn="cn=admin,dc=example,dc=com" write by * read I tried to change it like so: olcAccess: {0}to attrs=userPassword,shadowLastChange by self write by anonymous auth by dn="cn=admin,dc=example,dc=com" write by * none olcAccess: {1} to * by self write by dn="cn=admin,dc=exampme,dc=com" write by users read But that gives me no access at all. Can someone help me on this? thanks UPDATE: This is the log read after the changes mentioned by userxxx Sep 30 10:47:21 j16354 slapd[11805]: conn=1437 fd=28 ACCEPT from IP=87.149.169.6:64121 (IP=0.0.0.0:389) Sep 30 10:47:21 j16354 slapd[11805]: conn=1437 op=0 do_bind: invalid dn (pbrechler) Sep 30 10:47:21 j16354 slapd[11805]: conn=1437 op=0 RESULT tag=97 err=34 text=invalid DN Sep 30 10:47:21 j16354 slapd[11805]: conn=1437 op=1 UNBIND Sep 30 10:47:21 j16354 slapd[11805]: conn=1437 fd=28 closed Sep 30 10:47:21 j16354 slapd[11805]: conn=1438 fd=28 ACCEPT from IP=87.149.169.6:64122 (IP=0.0.0.0:389) Sep 30 10:47:21 j16354 slapd[11805]: conn=1438 op=0 do_bind: invalid dn (pbrechler) Sep 30 10:47:21 j16354 slapd[11805]: conn=1438 op=0 RESULT tag=97 err=34 text=invalid DN Sep 30 10:47:21 j16354 slapd[11805]: conn=1438 op=1 UNBIND Sep 30 10:47:21 j16354 slapd[11805]: conn=1438 fd=28 closed pbrechler should be a valid user but has no system user (we don't need it) admin does't work also List item

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• How to auto-cc a system email account any time a user creates an appointment

  - by Ferdy

  I will not bother explaining my full architecture or reasons for wanting this in order to keep this question short: Is it possible to auto-cc a certain email account any time a Exchange user creates an appointment or meeting in his own calendar? Is it possible using rules? Our Exchange 2007 server is outsourced, I cannot change the configuration or install plugins server-side Preferably, it still should work server-side, because users may use the Outlook client but also Outlook Web Access Is there any other way, perhaps using group policies? My conclusion so far is that the only viable way to accomplish this is to build an Outlook add-on. The problem there is that it will need to be managed for thousands of desktop users and that the add-on will not work when using another client (OWA, mobile). An alternative architecture could be to pull the information from the user's calendar on a scheduled basis. Given that we are talking about a lot of users, scalability is a major issue, this has also been confirmed by Microsoft. Can you confirm that my thinking is correct or do you have any other solutions?

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• Apache Logs - Not Showing Requested URL or User IP

  - by iarfhlaith

  Hey all, I'm having a problem with a server that keeps falling over. Looking through the Apache error logs it appears to come from a rogue PHP script. I'm trying to track this down using Apache's error_log and access_log but the server log format isn't giving me the detail I need. I suspect the log format isn't sufficient, but I've reviewed the Apache documentation and I've included the switches that I think I need to see. Here's my LogFormat configuration in the httpd.conf file: `LogFormat "%h %l %u %t \"%r\" %s %b %U %q %T \"%{Referer}i\" \"%{User-Agent}i\"" extended CustomLog logs/access_log extended` Using the %U %q %T switches I expected to see the requested URL, query string, and the time it took to serve the request, but I'm not seeing any of this information when I tail the log. Here's an example: 127.0.0.1 - - [01/Jun/2010:14:12:04 +0100] "OPTIONS * HTTP/1.0" 200 - * 0 "-" "Apache/2.2.15 (Unix) mod_ssl/2.2.15 OpenSSL/0.9.8e-fips-rhel5 mod_bwlimited/1.4 (internal dummy connection)" 127.0.0.1 - - [01/Jun/2010:14:12:05 +0100] "OPTIONS * HTTP/1.0" 200 - * 0 "-" "Apache/2.2.15 (Unix) mod_ssl/2.2.15 OpenSSL/0.9.8e-fips-rhel5 mod_bwlimited/1.4 (internal dummy connection)" 127.0.0.1 - - [01/Jun/2010:14:12:06 +0100] "OPTIONS * HTTP/1.0" 200 - * 0 "-" "Apache/2.2.15 (Unix) mod_ssl/2.2.15 OpenSSL/0.9.8e-fips-rhel5 mod_bwlimited/1.4 (internal dummy connection)" 127.0.0.1 - - [01/Jun/2010:14:12:07 +0100] "OPTIONS * HTTP/1.0" 200 - * 0 "-" "Apache/2.2.15 (Unix) mod_ssl/2.2.15 OpenSSL/0.9.8e-fips-rhel5 mod_bwlimited/1.4 (internal dummy connection)" 127.0.0.1 - - [01/Jun/2010:14:12:08 +0100] "OPTIONS * HTTP/1.0" 200 - * 0 "-" "Apache/2.2.15 (Unix) mod_ssl/2.2.15 OpenSSL/0.9.8e-fips-rhel5 mod_bwlimited/1.4 (internal dummy connection)" 127.0.0.1 - - [01/Jun/2010:14:12:09 +0100] "OPTIONS * HTTP/1.0" 200 - * 0 "-" "Apache/2.2.15 (Unix) mod_ssl/2.2.15 OpenSSL/0.9.8e-fips-rhel5 mod_bwlimited/1.4 (internal dummy connection)" Have a made a mistake in configuring the LogFormat or is it something else? Also, each request appears to come from the localhost. How come it's not giving me the remote user's IP address? Thanks, Iarfhlaith

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• FTP User cannot modify files but has correct permissions

  - by Lothar_Grimpsenbacher

  I have created a new user (foo) and when he logs in via ftp he cannot edit the files in the directory to which he has access. In the directory he can log into ls -l gives me: -rw-rw-r-- 1 root www-pub 6427 Nov 17 04:21 index.html The user belongs to the group www-pub. Here is the output of cat /etc/group to demonstrate that he is indeed in that group: ... www-pub:x:1001:ftpuser,www-data,foo foo:x:1002: *edit the permissions on the containing directory are: drwxrwsr-x 5 root www-pub 4096 Nov 17 02:53 thecontainingdir and the one above that: drwxrwsr-x 49 root www-pub 4096 Nov 16 02:40 thenextdirup So since he can log in via ftp and since the file he needs to edit has the correct permissions to let the group www-pub read and write the file and he is a member of that group, why can't he edit it (or upload anything)? Only when I change the file to 777 can he edit it. It's as if he's NOT in the group... but he is! What's going on?

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• Postfix + procmail - delivery fails because "can't create user output file" - on CentOS 6.2

  - by jshin47

  I verified that my postfix installation / relaying setup worked. Now I am having trouble with procmail. I have it wired to postfix with the following command: mailbox_command = /usr/bin/procmail -f -a "$USER" I have nothing in my procmail config but the following: LOGFILE=/var/procmailrc/log And I send an email to a recipient that previously worked (before I attached procmail). Now it fails with error: Apr 6 14:07:05 localhost postfix/qmgr[15194]: D0C3DFF6E1: from=<[email protected]>, size=938, nrcpt=1 (queue active) Apr 6 14:07:05 localhost postfix/local[1953]: D0C3DFF6E1: to=<[email protected]>, orig_to=<postmaster>, relay=local, delay=0.05, delays=0.02/0.01/0/0.02, dsn=5.2.0, status=bounced (can't create user output file. Command output: procmail: Couldn't create "/var/spool/mail/nobody" procmail: Couldn't read "//root" ) Apr 6 14:07:05 localhost postfix/bounce[1955]: warning: D0C3DFF6E1: undeliverable postmaster notification discarded Apr 6 14:07:05 localhost postfix/qmgr[15194]: D0C3DFF6E1: removed It seems like there is some sort of permissions issue but I do not know what the problem is, nor do I understand how I would go about diagnosing it further. The logfile that I specified is empty, by the way. How can I make procmail+postfix work?

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• How to find the cause of locked user account in Windows AD domain

  - by Stephane

  After a recent incident with Outlook, I was wondering how I would most efficiently resolve the following problem: Assume a fairly typical small to medium sized AD infrastructure: several DCs, a number of internal servers and windows clients, several services using AD and LDAP for user authentication from within the DMZ (SMTP relay, VPN, Citrix, etc.) and several internal services all relying on AD for authentication (Exchange, SQL server, file and print servers, terminal services servers). You have full access to all systems but they are a bit too numerous (counting the clients) to check individually. Now assume that, for some unknown reason, one (or more) user account gets locked out due to password lockout policy every few minutes. What would be the best way to find the service/machine responsible for this ? Assuming the infrastructure is pure, standard Windows with no additional management tool and few changes from default is there any way the process of finding the cause of such lockout could be accelerated or improved ? What could be done to improve the resilient of the system against such an account lockout DOS ? Disabling account lockout is an obvious answer but then you run into the issue of users having way to easily exploitable passwords, even with complexity enforced.

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• Sporadic email delivery to one user

  - by minamhere

  I have a user that occasionally does not receive emails from outside our organization. It does not seem to matter whether the other person is replying to an initial email or sending a new message. I have checked the Exchange System Manager and there is no record of the sender at all during this time period. No record of the message getting captured by the spam software (GFI Mail Essentials). The sender does not receive an NDR or any other indication that the message didn't arrive. It seems to me that these messages are not even getting to our servers at all. But, this is only impacting one user(that I am aware of) and not all the time. Some messages get through without any problem, others just disappear. The senders are not related at all. One is in another country, one uses AOL, one uses a corporate Exchange server locally. I can't seem to find a pattern. Where else can I look to try to figure out where these messages are going/getting captured? Are there additional logs that I can enable either within GFI or Exchange that might shed some light on this? Thanks. We are using Exchange 2003 on Server 2003. Desktop client is Outlook 2003 on Windows XP Pro.

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• Change Windows Authentication user for Sql Server Management Studio

  - by Asmor

  We're using Sql Server 2005 with Windows Authentication setup. So normally, when you log in using e.g. Sql Server Management Studio, it forces you to log in at MACHINE_NAME\Username. Anyways, on this one particular computer, the person said they had to make a new account called User01 to do something and showed me where she'd created it under security in the "master" system database. And so now when she logs in, it's listed as MACHINE_NAME\User01 (not the actual Windows user name). It's still set to Windows Authentication, though, and I'm unable to change the login name. Now here's where the real problem comes in... I didn't realize that she was being logged in under this user name at the time, and I disabled it to see what would happen. Now I can't log into the server under her account. I created a new account in Windows called test, and as expected SSMS had the username as MACHINE_NAME\test, and I was able to log in fine. However, the area where the User01 account was listed is not visible to me as far as I can tell and so I can't reenable it. I also tried running the following query: alter login User01 ENABLE And got this error: Msg 15151, Level 16, State 1, Line 1 Cannot alter the login 'User01', because it does not exist or you do not have permission. So in a nutshell, ideally I'd like to reenable User01 somehow, just to get things back to where they used to be. Failing that, how can I force SSMS to log in using the Windows account name as it should be, rather than trying to use User01?

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• A tale of two user ids: Why does NFS not recognize a new user id?

  - by user76177

  I have two servers running RHEL6. The main server, which I will refer to as server, is a database server. The application server, which I will refer to as client, mounts a directory from server via NFS. There is a user, appuser, on both client and server. However, appuser's id on client is 502. appuser's id on server is 506. Both users need read and write capability on the NFS share. To facilitate this, I made the share owned by appuser on server. Of course, client does not recognize that ownership, since appuser has a different id on client. So I did the following: Changed id of user in /etc/passwd on client to be 506 **Changed ownership of appuser's $HOME on client to be appuser again so that I could log in. Now, when I go to look at the NFS share from the client side, I see that it is owned by 502. 502 is the OLD id for appuser on client. I can't change ownership of the NFS share from client, since that is a volume that physically resides on server. I need to make sure that the NFS share shows ownership of appuser from both server and client. What step have I missed since changing the appuser id on client? NOTE: I have not rebooted client or done anything else yet.

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• NetBackup's bplist doesn't get user/group info for Windows files

  - by Gnustavo

  I'm trying to get information about storage consumption from NetBackup's bplist output. I'm running NBU 6.0MP5 on a RHEL 3 server. The server is backing up several Solaris, Linux, and Windows machines. When I use bplist to get information about files backed up on any UNIX machine I get something like this: # bplist -C unixclient -R 99 -l -s 01/28/2006 -e 01/29/2006 / drwxr-xr-x test ccase 0 Nov 16 09:28 /l/home2/test/ -rw------- test ccase 4737 Jan 06 17:54 /l/home2/test/.bash_history -rw-rw-r-- test ccase 104 Nov 11 2004 /l/home2/test/.bashrc However, when I use it to list files backed up on any Windows client I can't get the user and group information. They both always appear as 'root'. Like this: # bplist -C winclient -t 13 -R 99 -l -s 02/20/2006 / drwx------ root root 0 Feb 20 14:26 /C/temp/ -rwx------ root root 41 Feb 20 14:26 /C/temp/asdf.txt drwx------ root root 0 May 25 2004 /C/temp/CTRMNGR/ Does anyone know why bplist doesn't show the correct user/group for Windows files? If it can't, is there a way to get that information using another command? Thanks. Gustavo.

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• SQL Server 2008 R2 Error 15401 when trying to add a domain user

  - by Alice

  I am trying to add a domain user. I am doing the following. Expand Security Right click on Logins Select New Login... Login name select search Click on location and select entire directory Type username Click checkname The name goes underlined and add some more info Click OK Click OK I then get the following error: I have found http://support.microsoft.com/kb/324321. The Login does exist There is no Duplicate security identifiers Authentication failure I don't think is happening as I can browse AD Case sensitivity should not be the problem as I am doing the checkname and it is correcting it. Not a Local account Name resolution again I can see the AD I have rebooted the server (VM) and the issue is still happening. Any ideas? Edit I have also: Domain member: Digitally encrypt secure channel data (when possible) – Disable this policy Domain member: Digitally sign secure channel data (when possible) – Disable this policy Rebooted server http://talksql.blogspot.com/2009/10/windows-nt-user-or-group-domainuser-not.html Edit 2 I have also: Digitally encrypt or sign secure channel data (always)- Disabled Rebooted Edit 3 Since the question have moved site I no longer haves access to comment etc... I have checked the dns on the server to a machine where it is working. The DNS servers are the same on both...

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• Authenticate domain-user credentials on unjoined virtual machine?

  - by bwerks

  Hi all, This question may sound silly, and perhaps a bit insane, but--is there any way to run a process on a machine not joined to a domain using credentials from a user in that domain? In my case, I'm running virtual machines installed with release binaries from our build process, as well as Visual Studio. Visual Studio is there to debug our release binaries, however it's being executed with vm-local user credentials. This means that it can't authenticate to our TFS deployment when executing "tf.exe view" to utilize our Source Server for debugging. Team Explorer manages to authenticate to TFS using a UI prompt, however I suspect that it's because we supply it with the TFS deployment's URI, and it's designed to display a prompt to facilitate workgroup scenarios; i.e. it's not like we're getting it for free. My instincts tell me the only way to authenticate on this vm is to join it or somehow form a one-way trust or something, but is there an easier way? For automation we're going to want to script this eventually, but I'm first surveying the feasibility of the thing.

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• correct file permissions for trac and git user to access gitolite server repos

  - by klemens

  hi, sounds like a stupid questions (to me), but i couldn't find any info. on my server i host some git repositories via gitolite, and have a trac for every repository. i have a user called git to push/pull from server (git clone git@server:repo). and trac is a apache vhost with mod_wsgi. this runs with the www-data user. so what riddles me (maybe because I have not much of a clue about file-permissions at all) is whats the best permissions setup (chown, chmod) for the git repositories (/home/git/repositories/...). www-data (or trac) needs to at least read permissions (i think). and git (or gitolite) needs obviously read/write permissions to push changesets. i tried a little bit around (i.e. adding www-data and/or git to the www-data/git group), but didn't got it right. at least one of the two don't work (git or trac). any suggestions are highly appreciated. regard, klemens

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• Change Windows Authentication user for Sql Server Management Studio

  - by Asmor

  We're using Sql Server 2005 with Windows Authentication setup. So normally, when you log in using e.g. Sql Server Management Studio, it forces you to log in at MACHINE_NAME\Username. Anyways, on this one particular computer, the person said they had to make a new account called User01 to do something and showed me where she'd created it under security in the "master" system database. And so now when she logs in, it's listed as MACHINE_NAME\User01 (not the actual Windows user name). It's still set to Windows Authentication, though, and I'm unable to change the login name. Now here's where the real problem comes in... I didn't realize that she was being logged in under this user name at the time, and I disabled it to see what would happen. Now I can't log into the server under her account. I created a new account in Windows called test, and as expected SSMS had the username as MACHINE_NAME\test, and I was able to log in fine. However, the area where the User01 account was listed is not visible to me as far as I can tell and so I can't reenable it. I also tried running the following query: alter login User01 ENABLE And got this error: Msg 15151, Level 16, State 1, Line 1 Cannot alter the login 'User01', because it does not exist or you do not have permission. So in a nutshell, ideally I'd like to reenable User01 somehow, just to get things back to where they used to be. Failing that, how can I force SSMS to log in using the Windows account name as it should be, rather than trying to use User01?

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• Run a script on user connection on the VM host

  - by Scott Chamberlain

  I have a server running a Virtual Desktop Managed Pool, what I would like to do is when a user logs in I would like a script to check the number of available VMs and if below a threashold add additional VMs to the pool. The script to check the load and add to the pool is not the problem, I have that already figured out: $collectionName = "Test1"; $rdvh = "vmHost.example.com"; $minAvailableVMs = 2; Import-Module RemoteDesktop; $pool = Get-VirtualDesktopCollection -CollectionName $collectionName; $availableVMs = $pool.Size - ($pool.Size * $pool.PercentInUse / 100); $status = Get-VirtualDesktopCollectionJobStatus $collectionName #only add new servers if we are below the threashold and in the JOB_COMPLETEED state if($availableVMs -lt $minAvailableVMs -and $status.Status -eq [Microsoft.RemoteDesktopServices.Management.VirtualDesktopCollectionJobStatus]::JOB_COMPLETED) { Add-RDVirtualDesktopToCollection -CollectionName $collectionName -VirtualDesktopAllocation @{"$rdvh" = 1} } The problem I am having is, how do I run the above script on the Virtualization Host/Connection Broker/Some other server when a user connects?. I don't think it would be appropriate to run this as a logon script inside the VM, I think there is a way to do this on the management side but I don't know the new scripting interface in Server 2012 R2 well enough to know which commandlets I should look for to schedule this. EDIT: I know System Center is perfect for this but I do not have a license and was denied when I asked for it to be added to the budget.

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