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• sudo: must be setuid root

  - by Phuong Nguyen

  Recently, due to some messy stuff with master boot record, I have to re-install my Ubuntu. Before doing that, I back up all folder (exclude root, bin, sbin, tmp, media, mnt) to a NTFS partition. After installation of Ubuntu, I copied back all the folder using a nautilus (running by sudo nautilus). After that, I reboot my computer. And boom, now I cannot run sudo any more, my network services cannot run. When I run sudo from a terminal, I ge "must be setuid root" error. In ubuntu, root account is disabled by default, I don't know why all these files is no longer under ownership of my account. How would I recover back?

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• How to get my external IP address(over NAT) from Windows command-line?

  - by Diogo Rocha

  Windows "ipconfig" command can only show me the parameters from the ethernet interfaces from my machine(even with the "ipconfig /all" argument), it can show detailed information about the interface, but will never show me my external IP address over a NAT network. However, there are several websites, such as "What is my IP" that can get and show my external IP addres. So I'm wondering, if is possible to get this value externally, should I expect that there is some way to get this information from a command line at my local machine... I need to get this value to log on an application that I'm doing with VB Script. There is some way to do this, from a "cmd" on Windows?

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• Samba server error message in Windows XP

  - by Kumar P

  We have a RHEL5 Linux Server with few Windows XP client boxes. Using Samba server for share files between systems. My server working well in all systems but one Windows XP machine didn't connect to server. Here i give some screen shots for clear idea, For Check network connection i use ping, It working well. I use above way for connect to server. For all other systems it working well. I am getting error message like this. ** I am using squid for proxy in Linux, For me internet also working well in that Windows XP system. ** I Deleted stored user name and password for samba in windows XP. Help me to solve this problem.

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• Windows 7 remote desktop connection does not respond to mouse or keyboard

  - by Daniel Jette

  Pretty much every time I connect to my work PC from home (both running Windows 7), I can see the screen refresh and signs of life (clock changes, notifications pop up), but I cannot interact with the remote machine at all. Mouse and keyboard input are both ignored. If I repeatedly reconnect, I will eventually get a connection that works. I think either a setting on my host machine, VPN client or work network is configured wrong. My home PC is running Windows 7 Professional. My work PC is running Windows 7 Enterprise. My VPN client is Cisco AnyConnect. Is this a problem anyone else has run in to? Any suggestions for settings to tweak?

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• JCP.Next - Early Adopters of JCP 2.8

  - by Heather VanCura

  JCP.Next is a series of three JSRs (JSR 348, JSR 355 and JSR 358), to be defined through the JCP process itself, with the JCP Executive Committee serving as the Expert Group. The proposed JSRs will modify the JCP's processes  - the Process Document and Java Specification Participation Agreement (JSPA) and will apply to all new JSRs for all Java platforms.   The first - JCP.next.1, or more formally JSR 348, Towards a new version of the Java Community Process - was completed and put into effect in October 2011 as JCP 2.8. This focused on a small number of simple but important changes to make our process more transparent and to enable broader participation. We're already seeing the benefits of these changes as new and existing JSRs adopt the new requirements. The second - JSR 355, Executive Committee Merge, is also Final. You can read the JCP 2.9 Process Document .  As part of the JSR 355 Final Release, the JCP Executive Committee published revisions to the JCP Process Document (version 2.9) and the EC Standing Rules (version 2.2).  The changes went into effect following the 2012 EC Elections in November. The third JSR 358, A major revision of the Java Community Process was submitted in June 2012.  This JSR will modify the Java Specification Participation Agreement (JSPA) as well as the Process Document, and will tackle a large number of complex issues, many of them postponed from JSR 348. For these reasons, the JCP EC (acting as the Expert Group for this JSR), expects to spend a considerable amount of time working on. The JSPA is defined by the JCP as "a one-year, renewable agreement between the Member and Oracle. The success of the Java community depends upon an open and transparent JCP program.  JSR 358, A major revision of the Java Community Process, is now in process and can be followed on java.net. The following JSRs and Spec Leads were the early adopters of JCP 2.8, who voluntarily migrated their JSRs from JCP 2.x to JCP 2.8 or above.  More candidates for 2012 JCP Star Spec Leads! JSR 236, Concurrency Utilities for Java EE (Anthony Lai/Oracle), migrated April 2012 JSR 308, Annotations on Java Types (Michael Ernst, Alex Buckley/Oracle), migrated September 2012 JSR 335, Lambda Expressions for the Java Programming Language (Brian Goetz/Oracle), migrated October 2012 JSR 337, Java SE 8 Release Contents (Mark Reinhold/Oracle) – EG Formation, migrated September 2012 JSR 338, Java Persistence 2.1 (Linda DeMichiel/Oracle), migrated January 2012 JSR 339, JAX-RS 2.0: The Java API for RESTful Web Services (Santiago Pericas-Geertsen, Marek Potociar/Oracle), migrated July 2012 JSR 340, Java Servlet 3.1 Specification (Shing Wai Chan, Rajiv Mordani/Oracle), migrated August 2012 JSR 341, Expression Language 3.0 (Kin-man Chung/Oracle), migrated August 2012 JSR 343, Java Message Service 2.0 (Nigel Deakin/Oracle), migrated March 2012 JSR 344, JavaServer Faces 2.2 (Ed Burns/Oracle), migrated September 2012 JSR 345, Enterprise JavaBeans 3.2 (Marina Vatkina/Oracle), migrated February 2012 JSR 346, Contexts and Dependency Injection for Java EE 1.1 (Pete Muir/RedHat) – migrated December 2011

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• Unable to authenticate Windows XP clients agains Snow Leopard Server PDC after 10.6.2 upgrade

  - by Roland

  I have setup a Snow Leopard Server 10.6.1 as a PDC without problems to authenticate Windows XP clients. Joining a Windows XP client to the SLS PDC Domain and log in from a Windows XP client to the SLS PDC Domain are working. After the update to Snow Leopard Server 10.6.2 the authentication is broken. opendirectory_smb_pwd_check_ntlmv1 gave -14090 [eDSAuthFailed] By changing the Windows XP "Network security: LAN Manager authentication level" policy to NTVLM2 responses only the authentication agains a SMB share is possible, but trying to join SLS PDC Domain is still not possible. opendirectory_smb_pwd_check_ntlmv2 gave -14090 [eDSAuthFailed] Any ideas? Is anyone else having similar authentication difficulties?

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• GPO Startup script did not execute on some computers

  - by Aaron Ooi

  The GPO Startup scripts works fine on other machine but not for another half of the machine. gpresult show that GPO was there. I ran RSOP and it show that the Startup script was there but it was never executed. There nothing on application error or anything related to the failed execution in the event viewer. I have set to Allow slow network connection too but it did not help for the startup script to execute. Permission read/execute granted to Domain Computers & Authenticated Users Other GPO settings works except Startup Script did not execute. The scripts works fine as other machine which success without any issue except some machine. I need help to sort this out as it troubles me where another half of the machine did not execute the script at all. It was all WIndows 7.

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• ubuntu one not syncing

  - by Martin

  I am really starting to despair as I have been trying ubuntu one for several months, trying it on several machines, and it has caused me loads of different issues wasting me a lot of time. It is not straight forward to use, it should be a piece of software that runs in background and users should not think about checking all the time if it is really doing it's job. Of course I have been searching around this website and other forums but couldn't find an answer to my situation. Yesterday I had several problems with the client not syncing and using a lot of the machine's RAM, up and CPU. I had to reboot on several occasions and leave the office's PC on overnight in order to sync a few files of not more than a few MB. Today I am experiencing another problem: I have decided to do a test putting a small file in my ubuntu one shared folder. Ubuntu one is not detecting it (now already more than an hour), therefore not uploading it to the server. martin@ubuntu-desktop:~$ u1sdtool --status State: QUEUE_MANAGER connection: With User With Network description: processing the commands pool is_connected: True is_error: False is_online: True queues: IDLE and martin@ubuntu-desktop:~$ u1sdtool --current-transfers Current uploads: 0 Current downloads: 0 I am running Ubuntu 11.04 64 with all recent updates. On my other machine the transfer of files seems to be completely frozen, with around 10 files in the queue but no transfer whatsoever. Another curious issue is on my Ubuntu 10.10 laptop where ubuntu one seems to have completly disappeared from Nautilus context menu, folder/file sync status icons missing. I have therefore been forced to upgrade to 11.04 on this machine. Anyway, now I would like to solve the ** processing the commands pool ** issue and make sure the client

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• Intermittent login issues to SQL Server

  - by Etienne

  My website is an ASP.NET 2.0 website connecting to a SQL Express Database. Every now and then I get the following error message when I load my site. Login Failed for Username 'MyUsername'. Then on another time I get the following error message. A transport-level error has occurred when receiving results from the server. (provider: TCP Provider, error: 0 - The specified network name is no longer available.) After pressing F5 a few times it will go away. It is very intermittent and it drives me nuts as the company hosting my website cant figure out why this is happening. Then it works then it does not, then it does then it does not! Any idea???

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• Watchguard firebox: public IP addresses behind firewall with as much usable IP addresses as possible

  - by martinezpt

  Our ISP assigned us 16 public IP addresses that we want to assign to hosts behind a Watchguard firebox x750e. The IP addresses are: x.x.x.176/28 of which x.x.x.177 is the gateway. The hosts will be running software that needs to be directly assigned the public IP address so 1:1 NAT is not an option. I found this document that gives examples on how to assign public IP addresses to hosts behind the firewall, using an optional interface: http://www.watchguard.com/help/configuration-examples/public_IP_behind_XTM_configuration_example_(en-US).pdf However, I can't implement scenario 1 as it won't allow me to use the same subnet on both interfaces. As for scenario 2, splitting the address range into 2 subnets will decrease the usable hosts on the optional interface to 5 (8 - network - broadcast - optional interface ip). I'm convinced that there must be a better way to address this problem and maximize the number of usable IP addresses but I'm not very familiar with this specific firewall. Are there any suggestions on how to keep the hosts behind the firewall with public IP addresses while maximizing the usable IP addresses? thanks

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• Are there netcat-like tools for Windows which are not quarantined as malware?

  - by Matthew Murdoch

  I used to use netcat for Windows to help track down network connectivity issues. However these days my anti-virus software (Symantec - but I understand others display similar behaviour) quarantines netcat.exe as malware. Are there any alternative applications which provide at least the following functionality: can connect to an open TCP socket and send data to it which is typed on the console can open and listen on a TCP socket and print received data to the console ? I don't need the 'advanced' features (which are possibly the reason for the quarantining) such as port scanning or remote execution.

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• Is is possible to change MAC address of a WiMAX USB adapter?

  - by Salman A

  Wondering if it is possible to change the MAC address of a WiMAX USB adapter (read WiMAX, not Wi-Fi) manufactured by Motorola, ZTE, Intel etc. I've tried a few tools that did changed the MAC address of the adapter to another valid MAC address (that I coped from another equipment made by same company) but then I was not able to connect to the network, the connection software took long time stating "obtaining IP address"; then few seconds after it got one said "lost IP address". Wondering if changing MAC address of such devices actually work.

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• Data Modeling Resources

  - by Dejan Sarka

  You can find many different data modeling resources. It is impossible to list all of them. I selected only the most valuable ones for me, and, of course, the ones I contributed to. Books Chris J. Date: An Introduction to Database Systems – IMO a “must” to understand the relational model correctly. Terry Halpin, Tony Morgan: Information Modeling and Relational Databases – meet the object-role modeling leaders. Chris J. Date, Nikos Lorentzos and Hugh Darwen: Time and Relational Theory, Second Edition: Temporal Databases in the Relational Model and SQL – all theory needed to manage temporal data. Louis Davidson, Jessica M. Moss: Pro SQL Server 2012 Relational Database Design and Implementation – the best SQL Server focused data modeling book I know by two of my friends. Dejan Sarka, et al.: MCITP Self-Paced Training Kit (Exam 70-441): Designing Database Solutions by Using Microsoft® SQL Server™ 2005 – SQL Server 2005 data modeling training kit. Most of the text is still valid for SQL Server 2008, 2008 R2, 2012 and 2014. Itzik Ben-Gan, Lubor Kollar, Dejan Sarka, Steve Kass: Inside Microsoft SQL Server 2008 T-SQL Querying – Steve wrote a chapter with mathematical background, and I added a chapter with theoretical introduction to the relational model. Itzik Ben-Gan, Dejan Sarka, Roger Wolter, Greg Low, Ed Katibah, Isaac Kunen: Inside Microsoft SQL Server 2008 T-SQL Programming – I added three chapters with theoretical introduction and practical solutions for the user-defined data types, dynamic schema and temporal data. Dejan Sarka, Matija Lah, Grega Jerkic: Training Kit (Exam 70-463): Implementing a Data Warehouse with Microsoft SQL Server 2012 – my first two chapters are about data warehouse design and implementation. Courses Data Modeling Essentials – I wrote a 3-day course for SolidQ. If you are interested in this course, which I could also deliver in a shorter seminar way, you can contact your closes SolidQ subsidiary, or, of course, me directly on addresses [email protected] or [email protected]. This course could also complement the existing courseware portfolio of training providers, which are welcome to contact me as well. Logical and Physical Modeling for Analytical Applications – online course I wrote for Pluralsight. Working with Temporal data in SQL Server – my latest Pluralsight course, where besides theory and implementation I introduce many original ways how to optimize temporal queries. Forthcoming presentations SQL Bits 12, July 17th – 19th, Telford, UK – I have a full-day pre-conference seminar Advanced Data Modeling Topics there.

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• Linksys Router/Tomato Firmware DNS issues

  - by jasonh

  I've got a WRT54GS that I've loaded the current version of Tomato onto. I entered static DHCP addresses in for the devices on my network, released and renewed the address on my desktop and tried to ping another computer. All I got was The request could not find host blah. Please check the name and try again. Now, I verified that my desktop and the target machine I'm trying to ping have both received their proper static DHCP lease and that their DNS server is the IP address of my router. What am I missing?

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• Remove CGI from IIS7

  - by jekcom

  I ran some security scan and the scan said that all kind of CGI stuff are potential thread. This is part of the result : (ash) is present in the cgi-bin directory (bash) is present in the cgi-bin directory By exploiting this vulnerability, a malicious user may be able to execute arbitrary commands on a remote system. In some cases, the hacker may be able to gain root level access to the system, in which case the hacker might be able to cause copious damage to the system, or use the system as a jumping off point to target other systems on the network for intrusion and/or denial of service attacks. and many more related to cgi-bin directory. First I searched all the server for cgi-bin folder and it did not find any. Second I'm running my website on pure .NET and I don't use any scripts like php. Question is how can I remove this CGI thing from the IIS?

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• What is your best travel (portable) WiFi router?

  - by Sorin Sbarnea

  I'm looking for a small WiFi router that I could use to create my own wireless network when I travel. I'm also interested in a router that has very good signal/antenna and that is easy to take with you. Please do not recommend products just because you can find them on the net, I'm interested about personal experience. Also it's good to know if you can install open-source firmware on it. Selection criteria: size signal quality price Required: to support both 110V/220V power supply, best if embedded or retractable cord.

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• Windows 7 can't connect via ethernet to Airport Extreme

  - by Mr AJL

  I have an Airport Extreme router, and everything works beautifully on the Mac, but my Windows 7 computer, which is connected via a regular ethernet cable, can't see any network. The Windows computer says there's no cable connected. Any ideas? Is there some kind of setting you have to enable with the Airport utility? I looked everywhere but can't find anything. Or do I need to install that Airport utility something on the PC just to connect to the router? (Haven't tried because the PC has no CD drive)

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• Mimic the behavior of a machine added to a domain

  - by Ian

  Hello, For some reason, the IT department at our company does not want to add Windows 7 and Windows Vista machine to the domain controller. I hate to always provide my network credentials everytime I access a shared folder on a machine that is joined to the domain. I also hate to always provide my password when I launch outlook or Visual Studio (Team Explorer). Is there a way to mimic the behavior of a machine that is added to a domain without actually adding the machine in the domain? For shares, I can create a batch file that will NET USE the different fileservers we use here but that is a huge security risk as I will type my password as plaintext. Thanks!

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• Robocopy to a drive connected to a wlan router fails

  - by Ville Koskinen

  I have a wireless router and an USB hard drive connected to it. Basic file access on the command line and Explorer works flawlessly after having set up some options on the router and mapping to some folders with net use k: \\ROUTER\Folder1 /user:MYLAPTOP\Me password /persistent:yes net use n: \\ROUTER\Folder2 /user:MYLAPTOP\Me password /persistent:yes Robocopy (and using SyncToy for that matter) to a network drive however fails: robocopy c:\Files k:\Backup /MIR /Z gives There is not enough space on the disk. 2010/01/05 09:52:11 ERROR 112 (0x00000070) Accessing Destination Directory N:\ Waiting 30 seconds... The error message is misleading: there is plenty of space on the disk and the folders I'm copying are small. The router is an ASUS WL-500gp with a standard firmware. I'd appreciate if someone would be able to explain what is causing the problem and, if possible, how to fix it.

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• How to remove Ahnlab policy agent?

  - by R.K.

  Anybody know how to remove the Ahnlab Policy agent? I was forced to install it so that I could connect to the campus network when I visited Korea. Now that I'm home, I would like to remove it. However, it resists all uninstallation efforts. It gives me an Access is denied error whenever I try to stop the service. Used AppRemover too, to no avail. Tried removing it in safe mode but it doesn't work either. Does anybody know of a solution short of booting up a Linux distro and deleting the Ahnlab files with it?

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• How to troubleshoot a remote wmi query/access failure?

  - by Roman

  Hi I'm using Powershell to query a remote computer in a domain for a wmi object, eg: "gwmi -computer test -class win32_bios". I get this error message: Value does not fall within the expected range Executing the query local under the same user works fine. It seems to happen on both windows 2003 and also 2008 systems. The user that runs the shell has admin rights on the local and remote server. I checked wmi and dcom permissions as far as I know how to do this, they seem to be the same on a server where it works, and another where it does not. I think it is not a network issue, all ports are open that are needed, and it also happens within the same subnet. When sniffing the traffic we see the following errors: RPC: c/o Alter Cont Resp: Call=0x2 Assoc Grp=0x4E4E Xmit=0x16D0 Recv=0x16D0 Warning: GssAPIMechanism is not found, either caused by not reassembled, conversation off or filtering. And an errormessage from Kerberos: Kerberos: KRB_ERROR - KDC_ERR_BADOPTION (13) The option code in the packet is 0x40830000 Any idea what I should look into?

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• QoS / PBR Routing Questions

  - by Bernard

  I have a 50Mbs Satellite link and a 10Mbs Microwave link supplying a very remote location. Behind these links, I have a 6,400 seat network - with about 3,000 signed in at any one time. My goal is to send all of the Voip traffic (Google Chat, Magic Jack, Skype, Speakeasy, Vonage, Vonage PC, Yahoo) through the microwave link which has 100ms latency. The rest of the traffic can utilize any remaining bandwidth of the microwave link with excess being diverted to the higher latency (600ms) satellite connection. The problem I've had so far is that most automatic routing configurations weigh the bandwidth heavily for preference - and I'm only wanting latency considered. Additionally, I don't know if this can even be handled with the routing hardware I have at my disposal (Cisco 3640, 3745, & 3845). Any recommendations (or really good starting points) would be greatly appreciated.

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• CUPS basic auth error through web interface

  - by Inaimathi

  I'm trying to configure CUPS to allow remote administration through the web interface. There's enough documentation out there that I can figure out what to change in my cupsd.conf (changing Listen localhost:631 to Port 631, and adding Allow @LOCAL to the /, /admin and /admin/conf sections). I'm now at the point where I can see the CUPS interface from another machine on the same network. The trouble is, when I try to Add Printer, I'm asked for a username and password, but my response is rejected even when I know I've gotten it right (I assume it's asking for the username and password of someone in the lpadmin group on the server machine; I've sshed in with credentials its rejecting, and the user I'm using has been added to the lpadmin group). If I disable auth outright, by changing DefaultAuthType Basic to DefaultAuthType None, I get an "Unauthorized" error instead of a password request when I try to Add Printer. What am I doing wrong? Is there a way of letting users from the local network to administer the print server through the CUPS web interface? EDIT: By request, my complete cupsd.conf (spoiler: minimally edited default config file that comes with the edition of CUPS from the Debian wheezy repos): LogLevel warn MaxLogSize 0 SystemGroup lpadmin Port 631 # Listen localhost:631 Listen /var/run/cups/cups.sock Browsing On BrowseOrder allow,deny BrowseAllow all BrowseLocalProtocols CUPS dnssd # DefaultAuthType Basic DefaultAuthType None WebInterface Yes <Location /> Order allow,deny Allow @LOCAL </Location> <Location /admin> Order allow,deny Allow @LOCAL </Location> <Location /admin/conf> AuthType Default Require user @SYSTEM Order allow,deny Allow @LOCAL </Location> # Set the default printer/job policies... <Policy default> # Job/subscription privacy... JobPrivateAccess default JobPrivateValues default SubscriptionPrivateAccess default SubscriptionPrivateValues default # Job-related operations must be done by the owner or an administrator... <Limit Create-Job Print-Job Print-URI Validate-Job> Order deny,allow </Limit> <Limit Send-Document Send-URI Hold-Job Release-Job Restart-Job Purge-Jobs Set-Job-Attributes Create-Job-Subscription Renew-Subscription Cancel-Subscription Get-Notifications Reprocess-Job Cancel-Current-Job Suspend-Current-Job Resume-Job Cancel-My-Jobs Close-Job CUPS-Move-Job CUPS-Get-Document> Require user @OWNER @SYSTEM Order deny,allow </Limit> # All administration operations require an administrator to authenticate... <Limit CUPS-Add-Modify-Printer CUPS-Delete-Printer CUPS-Add-Modify-Class CUPS-Delete-Class CUPS-Set-Default CUPS-Get-Devices> AuthType Default Require user @SYSTEM Order deny,allow </Limit> # All printer operations require a printer operator to authenticate... <Limit Pause-Printer Resume-Printer Enable-Printer Disable-Printer Pause-Printer-After-Current-Job Hold-New-Jobs Release-Held-New-Jobs Deactivate-Printer Activate-Printer Restart-Printer Shutdown-Printer Startup-Printer Promote-Job Schedule-Job-After Cancel-Jobs CUPS-Accept-Jobs CUPS-Reject-Jobs> AuthType Default Require user @SYSTEM Order deny,allow </Limit> # Only the owner or an administrator can cancel or authenticate a job... <Limit Cancel-Job CUPS-Authenticate-Job> Require user @OWNER @SYSTEM Order deny,allow </Limit> <Limit All> Order deny,allow </Limit> </Policy> # Set the authenticated printer/job policies... <Policy authenticated> # Job/subscription privacy... JobPrivateAccess default JobPrivateValues default SubscriptionPrivateAccess default SubscriptionPrivateValues default # Job-related operations must be done by the owner or an administrator... <Limit Create-Job Print-Job Print-URI Validate-Job> AuthType Default Order deny,allow </Limit> <Limit Send-Document Send-URI Hold-Job Release-Job Restart-Job Purge-Jobs Set-Job-Attributes Create-Job-Subscription Renew-Subscription Cancel-Subscription Get-Notifications Reprocess-Job Cancel-Current-Job Suspend-Current-Job Resume-Job Cancel-My-Jobs Close-Job CUPS-Move-Job CUPS-Get-Document> AuthType Default Require user @OWNER @SYSTEM Order deny,allow </Limit> # All administration operations require an administrator to authenticate... <Limit CUPS-Add-Modify-Printer CUPS-Delete-Printer CUPS-Add-Modify-Class CUPS-Delete-Class CUPS-Set-Default> AuthType Default Require user @SYSTEM Order deny,allow </Limit> # All printer operations require a printer operator to authenticate... <Limit Pause-Printer Resume-Printer Enable-Printer Disable-Printer Pause-Printer-After-Current-Job Hold-New-Jobs Release-Held-New-Jobs Deactivate-Printer Activate-Printer Restart-Printer Shutdown-Printer Startup-Printer Promote-Job Schedule-Job-After Cancel-Jobs CUPS-Accept-Jobs CUPS-Reject-Jobs> AuthType Default Require user @SYSTEM Order deny,allow </Limit> # Only the owner or an administrator can cancel or authenticate a job... <Limit Cancel-Job CUPS-Authenticate-Job> AuthType Default Require user @OWNER @SYSTEM Order deny,allow </Limit> <Limit All> Order deny,allow </Limit> </Policy>

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• Internet speed showing high value but never felt that speed [closed]

  - by Kiran D Pillai

  I use Reliance Netconnect+ in my Toshiba Satellite laptop. My OS is Windows 7 Ultimate. I've seen speeds up to 1500 kbps when travelling and have an average speed of 400 kbps at my room premises. I'm sorry, I've never felt that much speed while browsing or downloading. Sometimes I think some other programs are also sharing the same network. It is just showing 200 or 500 kbps but I feel 25 or 50 kbps. Is there any way to prevent them? I use Google Chrome downloaded from Google site. Please suggest me some solutions.

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• Dynamic DNS registration for VPN clients

  - by Eric Falsken

  I've got a VPN server set up in my Active Directory on a remote network. (VPN Server is separate box from DNS/AD) When I dial into the network (client machine is not a member of the AD) the machine does not register its IP or Hostname in the DNS. I've played with all possible combinations of DHCP and RRAS-allocated IP pools, and none of them seem to cause my client to register. Is it because my client has to be a member of the domain? Are there some security settins I can tweak so that it can register its hostname/ip? I've looked in the event logs (System and Security) for the AD, DNS, DHCP, RRAS, and the client machine, and don't see anything relating to DNS Registration. Here's the IPConfig on the client machine (once connected): PPP adapter My VPN Name: Connection-specific DNS Suffix . : mydomain.local Description . . . . . . . . . . . : My VPN Name Physical Address. . . . . . . . . : DHCP Enabled. . . . . . . . . . . : No Autoconfiguration Enabled . . . . : Yes IPv4 Address. . . . . . . . . . . : 192.168.1.22(Preferred) Subnet Mask . . . . . . . . . . . : 255.255.255.255 Default Gateway . . . . . . . . . : DNS Servers . . . . . . . . . . . : 192.168.1.52 <- DC1 192.168.1.53 <- DC2 NetBIOS over Tcpip. . . . . . . . : Enabled Edit: It looks like my clients are not recieving the DHCP Scoope Options. I found this great article in Microsoft's KB. So the problem here is that the VPN Server "pre-reserves" the DHCP addresses, but then you have to add the DHCP Relay Agent to relay the secondary request for scope options. My problem is that the DHCP Relay Agent isn't relaying to the local DHCP server (same box as the VPN/RRAS). I've configured the DHCP Relay Agent according to this KB, but it dosn't work for a local DHCP server. (I see the request count increasing, but no responses) I was able to get everything working by specifying the DNS server and domain name in the VPN connection properties on the client. But am still unable to assign it (or the default gateway) dynamically via DHCP. The client also has to be a member of the remote domain.

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