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• rpm installation error

  - by JiminyCricket

  im trying to install an RPM compat-db-4.1.25-9 on oracle linux enterprise, since its required to install WebCenter...however the rpm installation is throwing a warning and then not working [root@devsebl downloads]# rpm -i compat-db-4.1.25-9.rpm warning: compat-db-4.1.25-9.rpm: Header V3 DSA signature: NOKEY, key ID 9b3c94f4 [root@devsebl downloads]# rpm -q compat-db-4.1.25-9.rpm package compat-db-4.1.25-9.rpm is not installed any idea what that warning means and why its crashing there? i tried to use Yum, but its not available i guess: [root@devsebl downloads]# yum search compat-db Loaded plugins: security Warning: No matches found for: compat-db No Matches found

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• setting rpmforge repository for Linux (RHEL)

  - by Ashish

  Hello, I had a Linux centos(5.5) machine, on this i had deployed amavisd (with clamav and spamassassin). Referred these: http://wiki.centos.org/HowTos/Amavisd http://wiki.centos.org/PackageManagement/Yum/Priorities Now I have a linux RHEL machine, details are as follows: (Linux version 2.6.18-164.6.1.el5 ([email protected]) (gcc version 4.1.2 20080704 (Red Hat 4.1.2-46)) x86_64 GNU/Linux Red Hat Enterprise Linux Server release 5.5 (Tikanga)) I want to set up the above mentioned software's on this(RHEL) machine, for that I do (as per the reference link): install yum-priorities but i am unable to install this on my said machine, because the default yum repository provided by RHEL doesn't contain this. How can i deploy the above software's on my RHEL machine, suggest any safe alternate. Please guide since i am a newbie in this matter. thanks in advance Ashish Sharma

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• Nexenta/OpenSolaris filer kernel panic/crash

  - by ewwhite

  I've an x4540 Sun storage server running NexentaStor Enterprise. It's serving NFS over 10GbE CX4 for several VMWare vSphere hosts. There are 30 virtual machines running. For the past few weeks, I've had random crashes spaced 10-14 days apart. This system used to open OpenSolaris and was stable in that arrangement. The crashes trigger the automated system recovery feature on the hardware, forcing a hard system reset. Here's the output from mdb debugger: panic[cpu5]/thread=ffffff003fefbc60: Deadlock: cycle in blocking chain ffffff003fefb570 genunix:turnstile_block+795 () ffffff003fefb5d0 unix:mutex_vector_enter+261 () ffffff003fefb630 zfs:dbuf_find+5d () ffffff003fefb6c0 zfs:dbuf_hold_impl+59 () ffffff003fefb700 zfs:dbuf_hold+2e () ffffff003fefb780 zfs:dmu_buf_hold+8e () ffffff003fefb820 zfs:zap_lockdir+6d () ffffff003fefb8b0 zfs:zap_update+5b () ffffff003fefb930 zfs:zap_increment+9b () ffffff003fefb9b0 zfs:zap_increment_int+68 () ffffff003fefba10 zfs:do_userquota_update+8a () ffffff003fefba70 zfs:dmu_objset_do_userquota_updates+de () ffffff003fefbaf0 zfs:dsl_pool_sync+112 () ffffff003fefbba0 zfs:spa_sync+37b () ffffff003fefbc40 zfs:txg_sync_thread+247 () ffffff003fefbc50 unix:thread_start+8 () Any ideas what this means?

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• Modern Java alternatives

  - by Ralph

  I'm not sure if stackoverflow is the best forum for this discussion. I have been a Java developer for 14 years and have written an enterprise-level (~500,000 line) Swing application that uses most of the standard library APIs. Recently, I have become disappointed with the progress that the language has made to "modernize" itself, and am looking for an alternative for ongoing development. I have considered moving to the .NET platform, but I have issues with using something the only runs well in Windows (I know about Mono, but that is still far behind Microsoft). I also plan on buying a new Macbook Pro as soon as Apple releases their new rumored Arrandale-based machines and want to develop in an environment that will feel "at home" in Unix/Linux. I have considered using Python or Ruby, but the standard Java library is arguably the largest of any modern language. In JVM-based languages, I looked at Groovy, but am disappointed with its performance. Rumor has it that with the soon-to-be released JDK7, with its InvokeDynamic instruction, this will improve, but I don't know how much. Groovy is also not truly a functional language, although it provides closures and some of the "functional" features on collections. It does not embrace immutability. I have narrowed my search down to two JVM-based alternatives: Scala and Clojure. Each has its strengths and weaknesses. I am looking for the stackoverflow readerships' opinions. I am not an expert at either of these languages; I have read 2 1/2 books on Scala and am currently reading Stu Halloway's book on Clojure. Scala is strongly statically typed. I know the dynamic language folks claim that static typing is a crutch for not doing unit testing, but it does provide a mechanism for compile-time location of a whole class of errors. Scala is more concise than Java, but not as much as Clojure. Scala's inter-operation with Java seems to be better than Clojure's, in that most Java operations are easier to do in Scala than in Clojure. For example, I can find no way in Clojure to create a non-static initialization block in a class derived from a Java superclass. For example, I like the Apache commons CLI library for command line argument parsing. In Java and Scala, I can create a new Options object and add Option items to it in an initialization block as follows (Java code): final Options options = new Options() { { addOption(new Option("?", "help", false, "Show this usage information"); // other options } }; I can't figure out how to the same thing in Clojure (except by using (doit...)), although that may reflect my lack of knowledge of the language. Clojure's collections are optimized for immutability. They rarely require copy-on-write semantics. I don't know if Scala's immutable collections are implemented using similar algorithms, but Rich Hickey (Clojure's inventor) goes out of his way to explain how that language's data structures are efficient. Clojure was designed from the beginning for concurrency (as was Scala) and with modern multi-core processors, concurrency takes on more importance, but I occasionally need to write simple non-concurrent utilities, and Scala code probably runs a little faster for these applications since it discourages, but does not prohibit, "simple" mutability. One could argue that one-off utilities do not have to be super-fast, but sometimes they do tasks that take hours or days to complete. I know that there is no right answer to this "question", but I thought I would open it up for discussion. If anyone has a suggestion for another JVM-based language that can be used for enterprise level development, please list it. Also, it is not my intent to start a flame war. Thanks, Ralph

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• Windows Server 2012 & Exchange Server 2013 CAL's

  - by Joey Harris

  Trying to build an Exchange server solution for a company and they want me to look into licensing for Windows. I'm going to be purchasing the necessary server licenses for Windows Server 2012 Standard and Microsoft Exchange 2013 Enterprise. I just have a few questions about the CAL's thing which seems like a complete ripoff to me. How are CAL's tracked for both Windows Server and Exchange? Is it tied to Active Directory profiles? What happens if I dont have the necessary CAL's for Windows Server? Will a client be denied access from Active Directory? Is there any enforcement for this? Also the same question for Exchange 2013 CAL's Thanks

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• Installtion problems in ruby

  - by user26202

  Hello , I had ruby in my Red hat linux pc. I manually deleted the folders of ruby in /usr/lib and /usr/bin. Now when I try to install ruby again it says it conflicts with some files which does not exist. rpm -i ruby-libs-1.8.6.111-1.i386.rpm th file from package ruby-libs-1.8.5-5.el5 file /usr/lib/ruby/1.8/yaml/tag.rb from install of ruby-libs-1.8.6.111-1 conflicts with file from package ruby-libs-1.8.5-5.el5 What should I do now ?Can someone guide me. Regards, Mithun

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• SNMP based network discovery (switches), device (ports on switches) power management

  - by SaM

  In a enterprise network, what would be the right way to generate a list of switches (SNMP managed) Is it reasonable to ask the organization to supply a list such as this: Switch name IP Address of switch Location SNMP community strings Or are there standard ways to run discovery scans - UDP broadcasts? After having generated a repository such as the above; given a single switch, how to query it for the list of all devices attached to it? Finally, how to selectively power down/power up ports? (remotely - using SNMP) Platform is going to be .NET based (C#) and the library being used is SharpSNMP

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• Does Office365 for education have litigation hold? [closed]

  - by Neobyte

  Both Google and Microsoft fail me, so I'm hoping someone out there with an O365 education deployment (A1 or A2) could help. Do the education plans have options for litigation hold? What's the per-head cost? I find plenty of people asking this question but noone definitively answering it. I know the normal enterprise offerings support litigation hold, but I can find nothing on the education offerings. I'm concerned only with staff. If at all possible, a link to an online reference would be handy too. Many thanks!

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• slow network in centos5 VM with centos5 host running KVM

  - by dan

  I setup KVM following the guide here: http://www.cyberciti.biz/faq/centos-rhel-linux-kvm-virtulization-tutorial/ I setup a bridged network and it worked fine except that the transfer speed is 200KB/s instead of the gigabit speed that I get on the host machine by itself. I tried editing the guest network settings to set "model=virtio" http://wiki.libvirt.org/page/Virtio but this just moves ifconfig-eth0 to ifconfig-eth0.bak in the VM and networking doesn't work at all. I tried moving ifconfig-eth0 back and starting up eth0, which works, but now the transfer speed is ~ 60KB/s I have no idea what else to try. Any suggestions would be greatly appreciated.

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• Forward Shibboleth Environment Variables to Tomcat via Apache

  - by Deepak Singh Rawat

  I am using Shibbolethv2.3 with Apache web server and Tomcat application server. I am using Apache as a reverse proxy using mod_proxy.so. I am not able to forward the Shibboleth environment variables from Apache to Tomcat. I am able to forward the attributes in the headers but as already mentioned in the wiki this approach is not safe. I have tried forwarding the environment variables by the following directive : SetEnv AJP_username ${username} then at the Java side I can access the attribute by : request.getAttribute("username"); The strange thing here is that, I get a different value instead of the one set by Shibboleth. I get the Windows account name as a result. If I use any other attribute name, I get a null value. I have searched a lot and have run out of options. Please guide me towards the right solution. My setup details : Shibboleth version : 2.3 OS : Windows XP SP3 Webserver : Apache 2.2 Application Server : Tomcat 6 Proxy module : mod_proxy.so

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• win2008 r2 IIS7.5 - setting up a custom user for an application pool, and trust issues

  - by Ken Egozi

  Scenario: blank win2008 r2 install the goal was to have a couple of sites running with isolated pool and dedicated users A new folder for a new website - c:\web\siteA\wwwroot, with the app (asp.net) deployed there in the /bin folder created a user named "appuser" and added it to the IIS_USERS group gave the website folder read and execute permissions for IIS_USERS and the appuser created the IIS site. set the app=pool identity to the appuser now I'm getting YSOD telling me that the trust-level is too low - SecurityException: That assembly does not allow partially trusted callers Added <trust level="Full" /> on the web-config, did not help changing the app-pool user to Administrator makes the site run Setting "anonymous user identity" to either IUSR or the app pool identity makes no difference any idea? is there a "step by step" howto guide for setting up users for isolated app pools on IIS7.5?

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• Transferring a single wordpress site from shared account to vps

  - by N e w B e e

  I got a hosting account at Hostgator. it was a shared account and i had three websites present over there. Now, i have upgraded my account to VPS at Hostgator and i want to transfer only ONE website over the new VPS. say, mydom.net. this website includes wordpress installation and other custom pages and setup can somebody please guide me How can I transfer the web to my new account? with speed, accuracy, and such that my website remains in working condition.. what will I do about wordpress? simply copy it will work?(I dont thnk so), if not how can I move it? I need guideline. and I am asking the question with a hope that many others will also learn the things just as i am learning,, thanks to all, and I dont understand the right location to ask the question..sorry if i made somthing wrong...or I have asked it at some wrong place

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• Sharing laptop's internal optical drive running windows XP Media Center Edition with Netbook running

  - by Col

  just got a new HP netbook with no optical drive and guide said I should be able to share the optical drive of another windows computer. The netbook is running Windows 7 and the laptop, also HP, with the internal optical drive is running Windows XP Media Center Edition. I have wireless network that both the laptop and netbook access without a problem. The instructions did not seem to work in my case. When I right clicked on Properties of the optical drive and went to the Sharing tab, there was no selction for Advanced Sharing as the instructions said. XP made me go to Network wizard and set up a network, (which I already had). After doing that I could not access the drive from Windows 7. Has anyone benn able to do this?

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• Troubleshooting server performance with a hosted server?

  - by ProfessionalAmateur

  We are in a tough spot, we have a hosted server with the following specs: OS: Windows Server 2008 R2 Enterprise SP1 64bit Processor: Intel Xeon X7550 @ 2GHz (8 processors) RAM: 16GB The file system is on a SAN or NAS (not sure). We are seeing very odd issues where a user will open a 25MB .xslb file and it takes literally 60-120 seconds sometimes. The server is just dog slow for excel. Resources are not being pegged, CPU never jumps up, plenty of RAM... it's just oddly slow. Our host has been looking at the issue for several weeks with not much to show for it. Is there a utility I can run myself that will help trackdown our issue? I have found Server Performance Advisor V1.0 Any experience in using it? Our host is ultimately responsible for fixing this, but we are going on 1 month and our users are losing patience. Any tips would be helpful.

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• Installed mountain lion, getting a python virtual env error?

  - by user27449

  I recently installed mountain lion (10.8) and when I open up my terminal I get this message: Traceback (most recent call last): File "<string>", line 1, in <module> ImportError: No module named virtualenvwrapper.hook_loader virtualenvwrapper.sh: There was a problem running the initialization hooks. If Python could not import the module virtualenvwrapper.hook_loader, check that virtualenv has been installed for VIRTUALENVWRAPPER_PYTHON=/usr/bin/python and that PATH is set properly. Before I try and fix this, I was hoping someone could guide me as I haven't touched python in a while and I don't want to mess up this installation.

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• IPSEC Windows 2008 <--> Fortinet 60B

  - by Elijah Glover

  I am trying to establish a IPSEC vpn, between an office DSL connection and a single virtual machine. I have done hub-spoke stuff before with cisco and fortinet routers, never hardware <-- software. Fortigate 60B - 10.20.1.1/24 Windows Server 2008 r2 Installed On VM I have seen some guides, to do this with juniper screenos (guide uses first release of 2008, they introduced windows firewall with advanced security), but none using fortinet equipment. Anyone ever been successful? Or should I install RAS/PPTP, so I can dial in?

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• Windows 7 64bit keyboard issues

  - by Scott

  I have a Pavilion dv4 notebook running Windows 7 64bit Enterprise edition. This morning I started to notice some really strange behavior in how it handled its built-in keyboard. At random intervals there will be a long delay in key presses, to which some keys will never show and other keys will continue to repeat until you hit the backspace. Other keys get mapped incorrectly to other keys. If I hook up an external keyboard the problem does not appear. Before I reformat the machine and do a fresh install, I thought I would check here to see if anyone has experienced this same issue and if so, how did you fix it?

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• Certificate Template Missing from "Certificate Template to Issue"

  - by Adam Robinson

  I'm having a problem similar to that posted in this question: Missing Certificate template From certificate to issue The short version is that I've created a duplicate certificate template and I'm trying to add it to my domain CA so that I can issue certificates with it. However, when I go into the Certification Authority MMC and go to "Certificate Templates - New - Certificate Template To Issue", my template is missing (along with quite a number of other templates that are present in the domain). Unlike the previous question, however, my CA is running on Server 2008 R2 Enterprise. Our organization has a single DC and a single CA, so I'm not seeing where there could be propagation delay. Any ideas how to get my template to show so that I can issue certificates?

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• Apache redirect from one domain to another domain

  - by cpuguru

  Like many users, we tend to register the *.com and *.net versions of our domain names to prevent nefarious squatters. So if we wanted "foo.com" we'd also register "foo.net" and have them both resolve to the same IP address. Trying to set up Apache for the first time and need to know the proper way to redirect requests to "foo.net" to go to "foo.com" instead so that if a user types in "foo.net" they get magically redirected to "foo.com". I've been reading through the Apache URL Rewriting guide (http://httpd.apache.org/docs/1.3/misc/rewriteguide.html) and it's not readily apparent how to do this seemingly simple task. Please advise this apprentice oh wise Apache jedi...

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• install git on RHEL3

  - by Dan Littlejohn

  having a problem installing git on redhat enterprise 3. When I try and install the rpm it gives a circular dependency problem. [root@tflaus001 tmp]# rpm -i git-1.5.2.1-1.el3.rf.i386.rpm warning: git-1.5.2.1-1.el3.rf.i386.rpm: V3 DSA signature: NOKEY, key ID 6b8d79e6 error: Failed dependencies: perl(Git) is needed by git-1.5.2.1-1.el3.rf [root@tflaus001 tmp]# rpm -i perl-Git-1.5.2.1-1.el3.rf.i386.rpm warning: perl-Git-1.5.2.1-1.el3.rf.i386.rpm: V3 DSA signature: NOKEY, key ID 6b8d79e6 error: Failed dependencies: git = 1.5.2.1-1.el3.rf is needed by perl-Git-1.5.2.1-1.el3.rf perl(Error) is needed by perl-Git-1.5.2.1-1.el3.rf can anyone give me an idea of how to fix this or what I need to add to yum.conf to fix this?

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• Hybrid Shutdown in Windows 8

  - by Moab

  Referring to this article published September 8, 2011, it gives instructions on how to to do a full (non-hybrid) shutdown in Windows 8 from the command line. We have an option in the UI to revert back to the Windows 7 shutdown/cold boot behavior, or since that’s likely a fairly infrequent thing, you can use the new /full switch on shutdown.exe. From a cmd prompt, run: shutdown /s /full / t 0 to invoke an immediate full shutdown. shutdown /s /full /t 0 I tried this in W8 Enterprise RTM trial, but did not work, so I did a shutdown /? and noticed they have changed the command for a Full shutdown It appears the /s switch now does the full shutdown as explained in the MS article, and the /hybrid switch does the hybrid shutdown for fast startup. Can anyone confirm this change in other RTM versions of Windows 8? Any Microsoft docs on this change are welcome.

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• How to correctly add daemon in MacOS 10.6.6 via launchd?

  - by Eye of Hell

  Hello. I have a very simple task to accomplish: to start tomcat application server on latest MacOS as a daemon. I have performed following steps: Installed Tomcat in /Library/Tomcat/Home Validated that it runs fine by executed /Library/Tomcat/Home/bin/startup.sh Added org.apache.tomcat.plist file to /Library/LaunchDaemons as found on internet (http://blog.i18n.ro/complete-guide-for-installing-hudson-ci-on-os-x-10-6/) Instructed MacOS to load a daemon description via sudo launchctl load org.apache.tomcat.plist. It succeeded (issuing this command second time outputs "already loaded"). Instructed MacOS to start a daeon via sudo launchctl start org.apache.tomcat.plist At this point MacOS shows an error "launchctl start error: No such process". I have checked the logfile for launchd - it have no record for this error. Google says nothing. And from error text i can't figure out what is the "process" and why it is "wrong" :(. Any hints what i'm doing wrong?

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• How to enable mysqli extension on redhat?

  - by nuthan

  My php.ini says: Additional .ini files parsed /etc/php53/php.d/curl.ini, /etc/php53/php.d/fileinfo.ini, /etc/php53/php.d/json.ini, /etc/php53/php.d/mysqli.ini, /etc/php53/php.d/mysql.ini, /etc/php53/php.d/pdo_mysql.ini, /etc/php53/php.d/phar.ini, /etc/php53/php.d/zip.ini mysqli.ini is loaded.. But still i get this, PHP Fatal error: Class 'mysqli' not found i tried enabling dynamic loading and initialize php scripts with dl("mysqli.so"); i also tried recompiling the php source: ./configure --with-mysql=/usr/lib64/mysql --with- mysqli=/usr/lib64/mysql/mysql_config even this didn't work. Can anybody help me solve my problem? Red Hat Enterprise Linux Server release 5 (Tikanga). x86_64 GNU/Linux. No access to RHN. Thanks.

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• Interpreting regular expressions using find in Linux confusion

  - by PeanutsMonkey

  I am attempting to use the find command and came across an article at http://www.linux.ie/newusers/beginners-linux-guide/find.php which states The wildcard character is escaped with a slash so BASH sends a literal asterisk to the find utility as an argument instead of performing filename expansion and passing any number of files in as arguments. for the command find . -name up\*. Being new to the world of Linux I don't quite understand how the use of a backslash which is meant to escape the meta character * is interpreted and returns results as though as it is being passed to find. Does it mean if I use the -name option I have to use a backslash to pass a wildcard and if I don't use -name I don't have to use a backslash?

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• TLS: hostname does not match CN in peer certificate

  - by borjamf

  im trying to connect LDAP over StartTLS but Im stuck with an issue. I've followed step by step this guide https://help.ubuntu.com/12.04/serverguide/openldap-server.html#openldap-tls and LDAP it's working OK as well as "ldapsearch -xZZ -h 172.25.80.144" on my Ubuntu Sever 12.04 However, in my Ubuntu Desktop 11.04 Client I get this error: ldapsearch -x -H 172.25.80.144 -ZZ ldap_start_tls: Connect error (-11) additional info: **TLS: hostname does not match CN in peer certificate** Server /etc/ldap/ldap.conf BASE dc=prueba,dc=borja URI ldap://prueba.borja SIZELIMIT 12 TIMELIMIT 15 DEREF never TLS_CACERT /etc/ssl/certs/ca-certificates.crt Client /etc/ldap.conf ssl start_tls tls_checkpeer no /etc/ldap/ldap.conf BASE dc=prueba,dc=borja URI ldap://prueba.borja SIZELIMIT 12 TIMELIMIT 15 DEREF never TLS_REQCERT allow Anybody could tell me how to fix this? I think that the hostname its ok. Thanks!

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