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• centos TCP/IP connection very slow

  - by yuli chika

  I have a VSP (centos6.1 64bit) with 4gb ram. It always runs well, but in recent few days, the server become slowly. open a small css file need 22 seconds(2kb). tested in home/office/phone with (IE,chrome,safari,firefox). see in firebug networking DNS Lookup ?4?ms Connecting ?21.18?s Sending 1?ms Waiting ?115?ms Receiving ?9?ms The connection cost 21.18 seconds I have checked all the log file, there have no error. top commond, still have free memory. top - 00:23:15 up 8 days, 3:57, 1 user, load average: 3.60, 3.42, 3.83 Tasks: 221 total, 4 running, 217 sleeping, 0 stopped, 0 zombie Cpu(s): 19.3%us, 3.2%sy, 0.0%ni, 76.1%id, 1.4%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 4194304k total, 3247724k used, 946580k free, 0k buffers Swap: 0k total, 0k used, 0k free, 0k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 32357 mysql 15 0 3710m 835m 6268 S 34.5 20.4 39:14.40 mysqld 9780 apache 15 0 442m 59m 12m S 33.2 1.4 0:05.69 httpd 9842 apache 15 0 403m 26m 10m S 16.9 0.7 0:01.23 httpd 9847 apache 15 0 412m 45m 22m R 15.3 1.1 0:01.00 httpd 9834 apache 15 0 426m 46m 11m R 13.0 1.1 0:02.22 httpd 9891 apache 15 0 407m 43m 19m S 8.0 1.1 0:00.33 httpd 9845 apache 15 0 414m 51m 24m S 6.0 1.3 0:01.53 httpd 9827 apache 15 0 402m 28m 11m S 3.3 0.7 0:02.69 httpd 9768 apache 16 0 414m 51m 24m S 3.0 1.3 0:06.51 httpd 9889 root 15 0 211m 12m 8160 S 2.7 0.3 0:00.32 php 9702 apache 15 0 415m 55m 26m S 1.7 1.4 0:10.67 httpd 9844 apache 15 0 413m 47m 21m S 1.7 1.2 0:01.21 httpd 9697 apache 15 0 414m 51m 24m S 1.3 1.3 0:11.05 httpd 9778 apache 15 0 414m 53m 25m S 1.3 1.3 0:05.38 httpd 9772 apache 15 0 414m 51m 23m R 0.7 1.3 0:05.04 httpd 9823 apache 15 0 415m 50m 23m S 0.7 1.2 0:03.97 httpd 9837 apache 15 0 402m 27m 11m S 0.3 0.7 0:01.04 httpd Then, how to check where is the problem and fixed it? I haven't change and config files in these days. Thanks.

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• Cron won't use msmtp to send emails in case of failed cronjob

  - by Glister

  I'm trying to configure a machine so that it will send me an email if one of the cronjobs output something in case of an error. I'm using Debian Wheezy. Cron is working normally (without the email functionality). msmtp is installed and configured. Have already symlinked /usr/{bin|sbin}/sendmail to /usr/bin/msmtp. I can send email by using: echo "test" | mail -s "subject" [email protected] or by executing: echo "test" | /usr/sbin/sendmail Without the symlink (/usr/sbin/sendmail) cron will tell me that: (CRON) info (No MTA installed, discarding output) With the symlinks I get: (root) MAIL (mailed 1 byte of output; but got status 0x004e, #012) Can you suggest how to config the cron/msmtp pair? Thanks! EDIT: Note: I've written "msmtpd" by mistake. Its not a daemon but rather an SMTP client named just "msmtp" (without the "d" ending). It is executed on demand and it is not running in the background all the time. When I try to send an email by using msmtp like that it works: echo "test" | msmtp [email protected] On the far side, in the logs of the SMTP server I read: Nov 2 09:26:10 S01 postfix/smtpd[12728]: connect from unknown[CLIENT_IP] Nov 2 09:26:12 S01 postfix/smtpd[12728]: 532301C318: client=unknown[CLIENT_IP], sasl_method=CRAM-MD5, [email protected] Nov 2 09:26:12 S01 postfix/cleanup[12733]: 532301C318: message-id=<> Nov 2 09:26:12 S01 postfix/qmgr[2404]: 532301C318: from=<[email protected]>, size=191, nrcpt=1 (queue active) Nov 2 09:26:12 S01 postfix/local[12734]: 532301C318: to=<[email protected]>, orig_to=<[email protected]>, relay=local, delay=0.62, delays=0.59/0.01/0/0.03, dsn=2.0.0, status=sent (delivered to command: IFS=' ' && exec /usr/bin/procmail -f- || exit 75 #1001) Nov 2 09:26:12 S01 postfix/qmgr[2404]: 532301C318: removed Nov 2 09:26:13 S01 postfix/smtpd[12728]: disconnect from unknown[CLIENT_IP] And the Email is delivered to the target user. So it looks like that the msmtp client is working properly. It has to be something in the cron/msmtp integration, but I have no clue what that thing might be. Can you help me?

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• Error upgrading Ubuntu server from Intrepid to Jaunty

  - by Martin

  I'm trying to upgrade an old ubuntu server from 8.10 (Intrepid) to 9.04 (Jaunty). But it fails. root@server1:/# do-release-upgrade Checking for a new ubuntu release Failed Upgrade tool signature Failed Upgrade tool Done downloading extracting 'jaunty.tar.gz' Failed to extract Extracting the upgrade failed. There may be a problem with the network or with the server. Does anyone have an idea why I get this error and how to fix it? UPDATE: I think i might have tracked the problem down. My /etc/update-manager/meta-release looks like this: [METARELEASE] URI = http://changelogs.ubuntu.com/meta-release URI_LTS = http://changelogs.ubuntu.com/meta-release-lts URI_UNSTABLE_POSTFIX = -development URI_PROPOSED_POSTFIX = -proposed If i go to http://changelogs.ubuntu.com/meta-release it has this info for Jaunty: Dist: jaunty Name: Jaunty Jackalope Version: 9.04 Date: Thu, 23 Apr 2009 12:00:00 UTC Supported: 0 Description: This is the 9.04 release Release-File: http://archive.ubuntu.com/ubuntu/dists/jaunty/Release ReleaseNotes: http://changelogs.ubuntu.com/EOLReleaseAnnouncement UpgradeTool: http://archive.ubuntu.com/ubuntu/dists/jaunty-proposed/main/dist-upgrader-all/0.111.8/jaunty.tar.gz UpgradeToolSignature: http://archive.ubuntu.com/ubuntu/dists/jaunty-proposed/main/dist-upgrader-all/0.111.8/jaunty.tar.gz.gpg Those links starting with archive.ubuntu.com are broken since jaunty is EOL. I guess i could fix this by copying this file, replacing "archive" with "old-releases", host the modified file somewhere and change the url in the meta-release file. Is this a good solution or will it make me run into worse problems?

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• Cannot login to ISCSI Target - hangs after sending login details

  - by Frank

  I have an ISCSI target volume, to which i am trying to connect using CentOS Linux server. Everything works fine, but cannot its stuck at login. Here are the steps i am performing: [root@neon ~]# iscsiadm -m node -l iscsiadm: could not read session targetname: 5 iscsiadm: could not find session info for session20 iscsiadm: could not read session targetname: 5 iscsiadm: could not find session info for session21 iscsiadm: could not read session targetname: 5 iscsiadm: could not find session info for session22 iscsiadm: could not read session targetname: 5 iscsiadm: could not find session info for session23 iscsiadm: could not read session targetname: 5 iscsiadm: could not find session info for session30 iscsiadm: could not read session targetname: 5 iscsiadm: could not find session info for session31 iscsiadm: could not read session targetname: 5 iscsiadm: could not find session info for session78 iscsiadm: could not read session targetname: 5 iscsiadm: could not find session info for session79 iscsiadm: could not read session targetname: 5 iscsiadm: could not find session info for session80 iscsiadm: could not read session targetname: 5 iscsiadm: could not find session info for session81 Logging in to [iface: eql.eth2, target: iqn.2001-05.com.equallogic:0-8a0906-ab4764e0b-55ed2ef5cf350a66-neon105, portal: 10.10.1.1,3260] (multiple) After this step, its stucks, waits for some time and then gives this output: Logging in to [iface: iface1, target: iqn.2001-05.com.equallogic:0-8a0906-ab4764e0b-55ed2ef5cf350a66-neon105, portal: 10.10.1.1,3260] (multiple) iscsiadm: Could not login to [iface: eql.eth2, target: iqn.2001-05.com.equallogic:0-8a0906-ab4764e0b-55ed2ef5cf350a66-neon105, portal: 10.10.1.1,3260]. My iscsi.conf is this: node.startup = automatic node.session.timeo.replacement_timeout = 15 # default 120; RedHat recommended node.conn[0].timeo.login_timeout = 15 node.conn[0].timeo.logout_timeout = 15 node.conn[0].timeo.noop_out_interval = 5 node.conn[0].timeo.noop_out_timeout = 5 node.session.err_timeo.abort_timeout = 15 node.session.err_timeo.lu_reset_timeout = 20 node.session.initial_login_retry_max = 8 # default 8; Dell recommended node.session.cmds_max = 1024 # default 128; Equallogic recommended node.session.queue_depth = 32 # default 32; Equallogic recommended node.session.iscsi.InitialR2T = No node.session.iscsi.ImmediateData = Yes node.session.iscsi.FirstBurstLength = 262144 node.session.iscsi.MaxBurstLength = 16776192 node.conn[0].iscsi.MaxRecvDataSegmentLength = 262144 discovery.sendtargets.iscsi.MaxRecvDataSegmentLength = 32768 node.conn[0].iscsi.HeaderDigest = None node.session.iscsi.FastAbort = Yes Also, in access control, i have given full access to Any IP, Any CHAP user and fixed iscsi initiator name. With same access level, all other volumes on rest of servers are working, except this one.

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• IPTables configuration for Localhost

  - by Gabe Mc

  I have a problem in connecting a JIRA instance running on a cloud server to an instance of MySQL running on the same box. I have configured it previously using quite a few iptables rules, but it seems overly broad/terribly inprecise. I want access to several of localhosts ports from the local machine, but deny it from all other accounts. Currently, my /etc/iptables.rules file looks like: *filter :INPUT DROP [223:17779] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [10161:1120819] # SSH Access -A INPUT -p tcp -m tcp --dport 22 -j ACCEPT -A INPUT -i eth0 -m state --state RELATED,ESTABLISHED -j ACCEPT # Apache2 Access for connecting to Tomcat on port 8080 -A INPUT -p tcp -m tcp --dport 443 -j ACCEPT # MySQL -I INPUT -i lo -p tcp -m tcp --dport mysql -j ACCEPT COMMIT However, this doesn't allow me to log in when I try logging in; it just hangs on: #> mysql -u root -p -h 127.0.0.1 The Tomcat servlet container starts throwing all kinds of exceptions, as well. This is a more general problem, as I need to enable things like accessing the shutdown port for the Tomcat container, but I need to at least get the MySQL part ironed out first, without the ugliness I was originally trying. Thanks.

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• Server error 500: Undefinable problem with my Zend Framework based site

  - by sanders

  Lately I had to reinstall my development site on my ubuntu machine since my system crashed after an os update. 4 days later my site is still not running as it should. Whenever i do an action which has in it an action on a database, it stops working. For example when Registring a new user, i get the following error: [Sun Jul 25 20:07:20 2010] [error] [client 127.0.0.1] PHP Notice: Trying to get property of non-object in /var/www/nrka2/application/bootstrap/Bootstrap.php on line 169, referer: http://nrka2/user/register [Sun Jul 25 20:07:20 2010] [error] [client 127.0.0.1] PHP Stack trace:, referer: http://nrka2/user/register [Sun Jul 25 20:07:20 2010] [error] [client 127.0.0.1] PHP 1. {main}() /var/www/nrka2/public/index.php:0, referer: http://nrka2/user/register [Sun Jul 25 20:07:20 2010] [error] [client 127.0.0.1] PHP 2. require() /var/www/nrka2/public/index.php:2, referer: http://nrka2/user/register [Sun Jul 25 20:07:20 2010] [error] [client 127.0.0.1] PHP 3. Zend_Application->bootstrap() /var/www/nrka2/application/application.php:23, referer: http://nrka2/user/register [Sun Jul 25 20:07:20 2010] [error] [client 127.0.0.1] PHP 4. Zend_Application_Bootstrap_BootstrapAbstract->bootstrap() /var/www/Zend/ZendFramework-1.10.6/library/Zend/Application.php:355, referer: http://nrka2/user/register [Sun Jul 25 20:07:20 2010] [error] [client 127.0.0.1] PHP 5. Zend_Application_Bootstrap_BootstrapAbstract->_bootstrap() /var/www/Zend/ZendFramework-1.10.6/library/Zend/Application/Bootstrap/BootstrapAbstract.php:583, referer: http://nrka2/user/register [Sun Jul 25 20:07:20 2010] [error] [client 127.0.0.1] PHP 6. Zend_Application_Bootstrap_BootstrapAbstract->_executeResource() /var/www/Zend/ZendFramework-1.10.6/library/Zend/Application/Bootstrap/BootstrapAbstract.php:619, referer: http://nrka2/user/register [Sun Jul 25 20:07:20 2010] [error] [client 127.0.0.1] PHP 7. Bootstrap->_initViewSettings() /var/www/Zend/ZendFramework-1.10.6/library/Zend/Application/Bootstrap/BootstrapAbstract.php:666, referer: http://nrka2/user/register [Sun Jul 25 20:07:22 2010] [error] [client 127.0.0.1] PHP Notice: Trying to get property of non-object in /var/www/nrka2/application/bootstrap/Bootstrap.php on line 169, referer: http://nrka2/css/main.css [Sun Jul 25 20:07:22 2010] [error] [client 127.0.0.1] PHP Stack trace:, referer: http://nrka2/css/main.css [Sun Jul 25 20:07:22 2010] [error] [client 127.0.0.1] PHP 1. {main}() /var/www/nrka2/public/index.php:0, referer: http://nrka2/css/main.css [Sun Jul 25 20:07:22 2010] [error] [client 127.0.0.1] PHP 2. require() /var/www/nrka2/public/index.php:2, referer: http://nrka2/css/main.css [Sun Jul 25 20:07:22 2010] [error] [client 127.0.0.1] PHP 3. Zend_Application->bootstrap() /var/www/nrka2/application/application.php:23, referer: http://nrka2/css/main.css [Sun Jul 25 20:07:22 2010] [error] [client 127.0.0.1] PHP 4. Zend_Application_Bootstrap_BootstrapAbstract->bootstrap() /var/www/Zend/ZendFramework-1.10.6/library/Zend/Application.php:355, referer: http://nrka2/css/main.css [Sun Jul 25 20:07:22 2010] [error] [client 127.0.0.1] PHP 5. Zend_Application_Bootstrap_BootstrapAbstract->_bootstrap() /var/www/Zend/ZendFramework-1.10.6/library/Zend/Application/Bootstrap/BootstrapAbstract.php:583, referer: http://nrka2/css/main.css [Sun Jul 25 20:07:22 2010] [error] [client 127.0.0.1] PHP 6. Zend_Application_Bootstrap_BootstrapAbstract->_executeResource() /var/www/Zend/ZendFramework-1.10.6/library/Zend/Application/Bootstrap/BootstrapAbstract.php:619, referer: http://nrka2/css/main.css [Sun Jul 25 20:07:22 2010] [error] [client 127.0.0.1] PHP 7. Bootstrap->_initViewSettings() /var/www/Zend/ZendFramework-1.10.6/library/Zend/Application/Bootstrap/BootstrapAbstract.php:666, referer: http://nrka2/css/main.css My Bootstrap class looks like this: <?php class Bootstrap extends Zend_Application_Bootstrap_Bootstrap{ /** * * @var unknown_type */ public $frontcontroller; /** * * @var unknown_type */ protected $_logger; /** * * @var unknown_type */ protected $_acl; /** * * @var unknown_type */ protected $_auth; /** * Setup the logging */ protected function _initLogging() { $this->bootstrap('frontController'); $logger = new Zend_Log(); $writer = 'production' == $this->getEnvironment() ? new Zend_Log_Writer_Stream(APPLICATION_PATH . '/../data/logs/app.log') : new Zend_Log_Writer_Firebug(); $logger->addWriter($writer); if ('production' == $this->getEnvironment()) { $filter = new Zend_Log_Filter_Priority(Zend_Log::CRIT); $logger->addFilter($filter); } $this->_logger = $logger; Zend_Registry::set('log', $logger); } protected function _initDefaultModuleAutoloader(){ $this->_logger->info('Bootstrap '. __METHOD__); $this->_resourceLoader = new Zend_Application_Module_Autoloader(array( 'namespace' => 'EventManager', 'basePath' => APPLICATION_PATH . '/modules/eventManager', )); $this->_resourceLoader->addResourceTypes(array( 'modelResource' => array( 'path' => 'models/resources', 'namespace' => 'Resource', ), 'service' => array( 'path' => 'services', 'namespace' => 'Service' ), )); } // @todo develop this function protected function _initDbProfiler(){ $this->_logger->info('Bootstrap ' . __METHOD__); if ('production' !== $this->getEnvironment()) { $this->bootstrap('db'); $profiler = new Zend_Db_Profiler_Firebug('All DB Queries'); $profiler->setEnabled(true); $this->getPluginResource('db')->getDbAdapter()->setProfiler($profiler); } } /** * Add Controller Action Helpers */ protected function _initActionHelpers() { $this->_logger->info('Bootstrap ' . __METHOD__); Zend_Controller_Action_HelperBroker::addHelper(new SF_Controller_Helper_Acl()); Zend_Controller_Action_HelperBroker::addHelper(new SF_Controller_Helper_RedirectCommon()); Zend_Controller_Action_HelperBroker::addHelper(new SF_Controller_Helper_Service()); } /** * * @return unknown_type */ protected function _initRoutes(){ $this->_logger->info('Initialize Routes '. __METHOD__); $this->bootstrap('frontController'); $router = $this->frontController->getRouter(); $route = new Zend_Controller_Router_route( 'register', array( 'controller' => 'user', 'action' => 'register' ) ); $router->addRoute('register',$route); $route = new Zend_Controller_Router_route( 'login', array( 'controller' => 'user', 'action' => 'login' ) ); $router->addRoute('login',$route); $route = new Zend_Controller_Router_route( 'logout', array( 'controller' => 'user', 'action' => 'logout' ) ); $router->addRoute('logout',$route); } /** * * @return void */ protected function _initLocale(){ $this->_logger->info('Bootstrap '.__METHOD__); $locale = new Zend_Locale('nl_NL'); Zend_Registry::set('Zend_Locale', $locale); } protected function _initAcl(){ $this->_acl = new EventManager_Service_Acl(); } /** * * @return void */ protected function _initViewSettings(){ $this->_logger->info('Bootstrap '.__METHOD__); $this->bootstrap('view'); $this->bootstrap('Acl'); $this->_view = $this->getResource('view'); //set encoding and doctype $this->_view->setEncoding('UTF-8'); $this->_view->doctype('XHTML1_STRICT'); $this->_view->headMeta()->appendHttpEquiv('Content-Type', 'text/html; charset=UTF-8'); $this->_view->headMeta()->appendHttpEquiv('Content-Language', 'en-US'); //@todo op een later moment moeten hier nog de stylesheets worden toegevoegd $this->_view->headLink()->appendStylesheet('/css/main.css'); //$this->_view->headTitle('Event Manager'); /* Set the head style. $this->_view->headTitle->headStyle(); */ $this->_view->headTitle()->setSeparator(' - '); $this->_auth = Zend_Auth::getInstance(); $navigation = new Zend_Config_Xml(APPLICATION_PATH.'/configs/navigation.xml','nav'); $navContainer = new Zend_Navigation($navigation); $this->_view->navigation($navContainer)->setAcl($this->_acl)->setRole($this->_auth->getStorage()->read()->usr_role); //THIS IS LINE 169!!!!!!!!! } /** * Add graceful error handling to the dispatch, this will handle * errors during Front Controller dispatch. */ public function run() { $errorHandling = $this->getOption('errorhandling'); try { parent::run(); } catch(Exception $e) { if (true == (bool) $errorHandling['graceful']) { $this->__handleErrors($e, $errorHandling['email']); } else { throw $e; } } } /** * Handle errors gracefully, this will work as long as the views, * and the Zend classes are available * * @param Exception $e * @param string $email */ protected function __handleErrors(Exception $e, $email) { header('HTTP/1.1 500 Internal Server Error'); $view = new Zend_View(); $view->addScriptPath(dirname(__FILE__) . '/../views/scripts'); echo $view->render('fatalError.phtml'); if ('' != $email) { $mail = new Zend_Mail(); $mail->setSubject('Fatal error in application Storefront'); $mail->addTo($email); $mail->setBodyText( $e->getFile() . "\n" . $e->getMessage() . "\n" . $e->getTraceAsString() . "\n" ); @$mail->send(); } } } I have tried to debug my code, but everyting goes well until I do somethign with the db. But I don't know what goes wrong with the db. I don't get any clear error messages. Can someone help me? Some more possible interesting data: [bootstrap] resources.db.adapter = "PDO_MYSQL" resources.db.isdefaulttableadapter = true resources.db.params.dbname = "ladosa" resources.db.params.username = "root" resources.db.params.password = "root" resources.db.params.hostname = "localhost" resources.db.params.charset = "UTF8" resources.db.params.profiler.enabled = true resources.db.params.profiler.class = Zend_Db_Profiler_Firebug Autoloadernamespaces[] = "Zend_" Autoloadernamespaces[] = "SF_" phpsettings.display_errors = 0 phpsettings.error_reporting = 8191 phpSettings.date.timezone = "Europe/Amsterdam" bootstrap.path = APPLICATION_PATH"/bootstrap/Bootstrap.php" pluginPaths.resource_ = APPLICATION_PATH"/resources" resources.frontcontroller.moduledirectory = APPLICATION_PATH"/modules" resources.frontcontroller.defaultmodule = "eventManager" resources.frontcontroller.params.prefixDefaultModule = true resources.frontcontroller.exceptions = false resources.view[] = "" resources.layout.layoutPath = APPLICATION_PATH "/layouts/scripts" resources.view.encoding = "UTF-8" resources.view.title = Rode kruis Vrijwilligers applicatie ;resources.view.helperPath.Default_View_Helper = APPLICATION_PATH "/modules/eventManager/views/helpers" resources.layout.layout = "main" [production:bootstrap] [development:bootstrap] ;resources.frontController.throwExceptions = 1 ;phpSettings.display_startup_errors=1 ;phpSettings.display_errors = 1 ;resources.frontcontroller.throwerrors = [test:production] btw. I CAN login to my database command line with the given username and password. Update: today i decided to investigate on my http request and i came to an error 500. My apache logs don't give any related information, I think. I posted the logs above. Any idea's?

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• VirtualBox problems writing to shared folders (Guest Additions installed)

  - by vincent

  I am trying to setup a shared folder from the host (ubuntu 10.10) to mount on a virtualized CentOS 5.5 with Guest Additions (4.0.0) installed (Guest addition features are working ie. seamless mode etc.). I am able to successfully mount the share with: mount -t vboxsf -o rw,exec,uid=48,gid=48 sf_html /var/www/html/ (uid and guid belong to the apache user/group) the only problem is that once mounted and I try to write/create directories and files I get the following: mkdir: cannot create directory `/var/www/html/test': Protocol error I am using the proprietary version of VirtualBox version 4.0.0 r69151. Has anyone had the same problem and been able to fix it or has any idea how to potentially fix this? Another question, the reason for setting this up is this. Our production servers are on CentOS 5.5 however I am a great fan of Ubuntu and would like to develop on Ubuntu rather than CentOS. However in order to stay as close to the production environment I would like to virtualize CentOS to use a web server and use the shared folder as web root. Anyone know whether this isn't a good idea? Has anyone successfully been able to set this up? Thanks guys, your help is always much appreciated and if you need any more information please let me know.

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• Linux: How do I remove bootchart from the boot process?

  - by java.is.for.desktop

  Hello, everyone! I have OpenSUSE 11.2. I removed bootchart and forgot to run mkinitrd. Now, right at the start of the boot process, I get boot/93-bootchart.sh: line 17: 462 Terminated stopinitrd 5 I Can't find any 93-bootchart.sh anywhere. Failsafe boot mode doesn't help. Earlier I got an error message about non existing /sbin/bootchartd, but I just copied /bin/cat to /sbin/bootchartd using a GParted boot disk. I tried to use chroot with an OpenSUSE boot disk, but mkinitrd can't find the root device, which is there actually (/dev/sda5). How can I make my system boot again? EDIT Ok, now I managed to re-install the bootchart rpm, using OpenSUSE boot disk and chmod. The system starts again. But that annoying bootchart is still there. I will not try again to remove it. First I will try to figure out, how to disable it during the boot process. Hopefully with your help ;)

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• Recovering data from mangodb raw files

  - by Jin Chen

  we use mongodb for our database and set the replset(two servers), but we mistakenly deleted some raw files that under /path/to/dbdata on both servers, after we used tool to get back the deleted files(we ran the extundelete on both server and mix the result together), like database.1, database.2 etc. we could not start the mongod, it raised the following error when starting mongod or executing mongodump, here is the console output: root@mongod:/opt/mongodb# mongodump --repair --dbpath /opt/mongodb -d database_production Thu Aug 21 16:22:43.258 [tools] warning: repair is a work in progress Thu Aug 21 16:22:43.258 [tools] going to try and recover data from: database_production Thu Aug 21 16:22:43.262 [tools] Assertion failure isOk() src/mongo/db/pdfile.h 392 0xde1b01 0xda42fd 0x8ae325 0x8ac492 0x8bd8e0 0x8c1c51 0x80e345 0x80e607 0x80e6a4 0x6db92a 0x6dc1ff 0x6e0db9 0xd9e45e 0x6ccdc7 0x7f499d856ead 0x6ccc29 mongodump(_ZN5mongo15printStackTraceERSo+0x21) [0xde1b01] mongodump(_ZN5mongo12verifyFailedEPKcS1_j+0xfd) [0xda42fd] mongodump(_ZNK5mongo7Forward4nextERKNS_7DiskLocE+0x1a5) [0x8ae325] mongodump(_ZN5mongo11BasicCursor7advanceEv+0x82) [0x8ac492] mongodump(_ZN5mongo8Database19clearTmpCollectionsEv+0x160) [0x8bd8e0] mongodump(_ZN5mongo14DatabaseHolder11getOrCreateERKSsS2_Rb+0x7b1) [0x8c1c51] mongodump(_ZN5mongo6Client7Context11_finishInitEv+0x65) [0x80e345] mongodump(_ZN5mongo6Client7ContextC1ERKSsS3_b+0x87) [0x80e607] mongodump(ZN5mongo6Client12WriteContextC1ERKSsS3+0x54) [0x80e6a4] mongodump(_ZN4Dump7_repairESs+0x3a) [0x6db92a] mongodump(_ZN4Dump6repairEv+0x2df) [0x6dc1ff] mongodump(_ZN4Dump3runEv+0x1b9) [0x6e0db9] mongodump(_ZN5mongo4Tool4mainEiPPc+0x13de) [0xd9e45e] mongodump(main+0x37) [0x6ccdc7] /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xfd) [0x7f499d856ead] mongodump(__gxx_personality_v0+0x471) [0x6ccc29] assertion: 0 assertion src/mongo/db/pdfile.h:392 Thu Aug 21 16:22:43.271 dbexit: Thu Aug 21 16:22:43.271 [tools] shutdown: going to close listening sockets... Thu Aug 21 16:22:43.271 [tools] shutdown: going to flush diaglog... Thu Aug 21 16:22:43.271 [tools] shutdown: going to close sockets... Thu Aug 21 16:22:43.272 [tools] shutdown: waiting for fs preallocator... Thu Aug 21 16:22:43.272 [tools] shutdown: closing all files... Thu Aug 21 16:22:43.273 [tools] closeAllFiles() finished Thu Aug 21 16:22:43.273 [tools] shutdown: removing fs lock... Thu Aug 21 16:22:43.273 dbexit: really exiting now my env: 1) Debian 3.2.35-2 x86_64(it's a XEN virtual machine) 2) mongodb 2.4.6 and we did not delete the .0 and .ns files we tried to create a new database with the same name and copy these db.ns and db.2, db.3 to the new db, we still met the same error. is there any way to check the valid of raw .ns and datafiles, and how to recover the database?

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• Can't connect to Synology DiskStation through HTTPS when using Windows 7 Import

  - by LeonidasFett

  a little background to my problem: I have a Synology DiskStation 213j that I use as a backup/data storage solution. When I'm at work, I would like to push and pull files from my DiskStation but I can't use VPN which is forbidden for outgoing connections. So I wanted to try to use HTTPS so I can at least connect securely to the web interface. I mostly use Chrome which uses the Windows Certificate Store. So I tried importing a self-signed certificate into it, without success. I still get a warning in Chrome telling me the connection is not secure because it can't be verified. When I import the certificate into Firefox though, it works and I can connect through HTTPS. I checked my domain on this site: http://www.sslshopper.com/ssl-checker.html It shows no errors, only a warning that the certificate is self-signed. Which is OK in this case. Any got any idea why importing the certificate into Windows 7 doesn't work? I tried Right-Click domain.mydomain.de.crt File --> Install certificate --> Next --> both options here (in case of "Place certificate in following store:" I selected "Third Party Root Certificate Authorities") to no avail.

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• Cannot access drive in Windows 7 after scandisk lockup, but can in safe mode....

  - by Matt Thompson

  I ran scandisk on my external USB drive due to the inability to delete a few files. Windows asked me if I wanted to unmount the drive before the scan, warning me that it would be unusable until the scan was finished, and I said yes. During the scan, my machine locked up, and I was forced to reboot the machine. When it came up, I was unable to access the drive, getting an error that "L:is not accessible, access is denied". Comupter Management sees the drive, and has the proper amount of disk space filled. I booted into safe mode, and can access the drive with no problems, and I noticed that in explorer, all the folders have locks on them. I booted back into windows, but still could not access the drive, getting the same error as above. Hovever, if I right click on the drive, select properties, and go to Customize, in the folder pictures ares, I select Choose File, and a window open up, that shows the root of the directory, with all the folder able to be accessed, but again, the icon is the folder icon with a lock on it. I can even copy files from the drive to another. So, the files are not gone, windows can obviously access the drive no matter what it thinks, so there has to be a problem with the flag windows put on the drive when it ran the original scan that failed. I was able to run a scan both in safe mode with no problems, and in windows. In windows, I received the cannot access error the first time I run scan disk on it, but if I try again, it works fine. Any ideas on how to clear the flag that windows set, so I can access the drive normally again?

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• High disk I/O - jbd2/sda2-8 process

  - by Evan Hamlet

  I have run a file server on a CentOS 5.8 final server. My only concern at the moment is what appears to be intermittent but continuous high disk I/O activity causing a general slowdown because of jbd2/sda2-8 process. jbd2/sda2-8 is making use of /dev/sda2, which is the 2nd partition of the first harddrive (IE: root partition). More info: using "iotop" the culprit appears to be "jbd2/sda1-8" making writes every second, which appears to be a kernel process associated with journaling on the ext4 filesystem, if my googling around is correct. I see "jbd2/sda2-8" appearing here every now and then, but certainly not every 3 seconds.. when idle, it appears about 1 or 2 times per minute. When I'm using the system, it appears more frequently. ATOP results: http://grabilla.com/02b14-8022db2e-4eb9-4f10-8e10-d65c49ad7530.png IOTOP results: http://grabilla.com/02b14-cf74b25d-4063-4447-9210-7d1b9b70e25b.png HTOP results: grabilla. com/02b14-ad8cad0e-89b0-46d3-849d-4fd515c1e690.png jbd2/sda2-8 is the processes I see with iotop making writes on disk even though it's not in use at all. Does someone has any idea how could I solve the high disk usage caused jbd2/sda2-8 process?

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• Centos running Apache Tomcat keep getting "java.net.SocketException: Too many open files"

  - by Gerard Moroney

  We're running Apache Tomcat 7.0.41 on CentOS 6 with java version "1.7.0_21". We were getting a lot of too many open files errors so I did some research. The consensus was that it was to to with the number of open files. So I did the following: Increased max files in /etc/security/limits.conf soft nofile 100000 hard nofile 100000 Rebooted the server Checked the limits were valid for the user which was to run the process [app_admin@xxx ~]$ ulimit -Hn 100000 [app_admin@xxx ~]$ ulimit -Sn 100000 Monitored open files on the server using the lsof command What I observed was when the total open files reached circa 13000 and tomcat had around 4500 open files the error reappeared. I am confused. I thought it would have resolved the problem but clearly I don't fully understand the root cause and also how to set the parameter correctly. To (maybe) help I have not modified the server.xml file for Tomcat (although I'm tempted). I don't want to start fiddling with that and make things worse. I'm more than happy to share any more information if someone can give me some hints on where to start looking.

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• simple apache2 reverse proxy setup not working

  - by Nick

  I know what proxy is (very high level), it's just I have never set up one, and it feels like I might be missing some big fat point here. My setup: client server (static IP), runs apache on port 80 proxy (has 2 network cards, one is on the clients network, the other one with a static IP on the server network), runs apache on port 80 I am trying to configure these three machines so that when client requests: http://proxy/machine1 It gets served server's pages at server root URL, i.e. http://server/ I can access client pages just fine. However, when I try accessing a page from the client machine, it simply gets redirected to server's IP address, which it clearly can't access since they are not on the same network: ... <meta http-equiv="REFRESH" content="0;url=http://server/machine1"></meta> <title>Redirect</title> ... My apache2 config is: LoadModule proxy_module /modules/mod_proxy.so LoadModule proxy_http_module /modules/mod_proxy_http.so ProxyRequests off <Proxy *> Order Allow,Deny Allow from all </Proxy> ProxyPass /machine1 http://server:80 <Location /machine1> ProxyPassReverse / </Location> What gives? Thanks!

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• Postfix won't pipe to PHP file through aliases file

  - by jfreak53

  I'm trying to pipe from postfix to a command. According to Postfix logs it worked, but when I check the command it didn't. This is a fresh postfix install. This is my alias file: # See man 5 aliases for format postmaster: root support: "| /usr/bin/php -q /var/www/pipe/pipe.php" I run sendmail [email protected] then type it and then on a separate line type . and it goes. I check the postfix log /var/log/mail.log and this is what it states: Nov 2 15:32:33 server3 postfix/local[13284]: 42C429E0B5: to=<[email protected]>, relay=local, delay=156, delays=156/0.01/0/0.05, dsn=2.0.0, status=sent (delivered to command: /usr/bin/php -q /var/www/pipe/pipe.php) So according to that it worked, but it doesn't. If I run echo 'text' | /usr/bin/php -q /var/www/pipe/pipe.php it does work just fine. Any ideas what I did wrong? I know piping is working, I originally checked it by running that command above WITHOUT the quotes, so just support: | /usr/bin/php -q /var/www/pipe/pipe.php What it did there was append my email header and all to the file pipe.php. So I know postfix was piping it, but when I put in the quotes it says it's going but it's not according to my script.

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• Server error 500: Undefinable problem with my Zend Framework based site

  - by sanders

  Hello everyone, Lately I had to reinstall my development site on my ubuntu machine since my system crashed after an os update. 4 days later my site is still not running as it should. Whenever i do an action which has in it an action on a database, it stops working. For example when Registring a new user, i get the following error: [Sun Jul 25 20:07:20 2010] [error] [client 127.0.0.1] PHP Notice: Trying to get property of non-object in /var/www/nrka2/application/bootstrap/Bootstrap.php on line 169, referer: http://nrka2/user/register [Sun Jul 25 20:07:20 2010] [error] [client 127.0.0.1] PHP Stack trace:, referer: http://nrka2/user/register [Sun Jul 25 20:07:20 2010] [error] [client 127.0.0.1] PHP 1. {main}() /var/www/nrka2/public/index.php:0, referer: http://nrka2/user/register [Sun Jul 25 20:07:20 2010] [error] [client 127.0.0.1] PHP 2. require() /var/www/nrka2/public/index.php:2, referer: http://nrka2/user/register [Sun Jul 25 20:07:20 2010] [error] [client 127.0.0.1] PHP 3. Zend_Application->bootstrap() /var/www/nrka2/application/application.php:23, referer: http://nrka2/user/register [Sun Jul 25 20:07:20 2010] [error] [client 127.0.0.1] PHP 4. Zend_Application_Bootstrap_BootstrapAbstract->bootstrap() /var/www/Zend/ZendFramework-1.10.6/library/Zend/Application.php:355, referer: http://nrka2/user/register [Sun Jul 25 20:07:20 2010] [error] [client 127.0.0.1] PHP 5. Zend_Application_Bootstrap_BootstrapAbstract->_bootstrap() /var/www/Zend/ZendFramework-1.10.6/library/Zend/Application/Bootstrap/BootstrapAbstract.php:583, referer: http://nrka2/user/register [Sun Jul 25 20:07:20 2010] [error] [client 127.0.0.1] PHP 6. Zend_Application_Bootstrap_BootstrapAbstract->_executeResource() /var/www/Zend/ZendFramework-1.10.6/library/Zend/Application/Bootstrap/BootstrapAbstract.php:619, referer: http://nrka2/user/register [Sun Jul 25 20:07:20 2010] [error] [client 127.0.0.1] PHP 7. Bootstrap->_initViewSettings() /var/www/Zend/ZendFramework-1.10.6/library/Zend/Application/Bootstrap/BootstrapAbstract.php:666, referer: http://nrka2/user/register [Sun Jul 25 20:07:22 2010] [error] [client 127.0.0.1] PHP Notice: Trying to get property of non-object in /var/www/nrka2/application/bootstrap/Bootstrap.php on line 169, referer: http://nrka2/css/main.css [Sun Jul 25 20:07:22 2010] [error] [client 127.0.0.1] PHP Stack trace:, referer: http://nrka2/css/main.css [Sun Jul 25 20:07:22 2010] [error] [client 127.0.0.1] PHP 1. {main}() /var/www/nrka2/public/index.php:0, referer: http://nrka2/css/main.css [Sun Jul 25 20:07:22 2010] [error] [client 127.0.0.1] PHP 2. require() /var/www/nrka2/public/index.php:2, referer: http://nrka2/css/main.css [Sun Jul 25 20:07:22 2010] [error] [client 127.0.0.1] PHP 3. Zend_Application->bootstrap() /var/www/nrka2/application/application.php:23, referer: http://nrka2/css/main.css [Sun Jul 25 20:07:22 2010] [error] [client 127.0.0.1] PHP 4. Zend_Application_Bootstrap_BootstrapAbstract->bootstrap() /var/www/Zend/ZendFramework-1.10.6/library/Zend/Application.php:355, referer: http://nrka2/css/main.css [Sun Jul 25 20:07:22 2010] [error] [client 127.0.0.1] PHP 5. Zend_Application_Bootstrap_BootstrapAbstract->_bootstrap() /var/www/Zend/ZendFramework-1.10.6/library/Zend/Application/Bootstrap/BootstrapAbstract.php:583, referer: http://nrka2/css/main.css [Sun Jul 25 20:07:22 2010] [error] [client 127.0.0.1] PHP 6. Zend_Application_Bootstrap_BootstrapAbstract->_executeResource() /var/www/Zend/ZendFramework-1.10.6/library/Zend/Application/Bootstrap/BootstrapAbstract.php:619, referer: http://nrka2/css/main.css [Sun Jul 25 20:07:22 2010] [error] [client 127.0.0.1] PHP 7. Bootstrap->_initViewSettings() /var/www/Zend/ZendFramework-1.10.6/library/Zend/Application/Bootstrap/BootstrapAbstract.php:666, referer: http://nrka2/css/main.css My Bootstrap class looks like this: <?php class Bootstrap extends Zend_Application_Bootstrap_Bootstrap{ /** * * @var unknown_type */ public $frontcontroller; /** * * @var unknown_type */ protected $_logger; /** * * @var unknown_type */ protected $_acl; /** * * @var unknown_type */ protected $_auth; /** * Setup the logging */ protected function _initLogging() { $this->bootstrap('frontController'); $logger = new Zend_Log(); $writer = 'production' == $this->getEnvironment() ? new Zend_Log_Writer_Stream(APPLICATION_PATH . '/../data/logs/app.log') : new Zend_Log_Writer_Firebug(); $logger->addWriter($writer); if ('production' == $this->getEnvironment()) { $filter = new Zend_Log_Filter_Priority(Zend_Log::CRIT); $logger->addFilter($filter); } $this->_logger = $logger; Zend_Registry::set('log', $logger); } protected function _initDefaultModuleAutoloader(){ $this->_logger->info('Bootstrap '. __METHOD__); $this->_resourceLoader = new Zend_Application_Module_Autoloader(array( 'namespace' => 'EventManager', 'basePath' => APPLICATION_PATH . '/modules/eventManager', )); $this->_resourceLoader->addResourceTypes(array( 'modelResource' => array( 'path' => 'models/resources', 'namespace' => 'Resource', ), 'service' => array( 'path' => 'services', 'namespace' => 'Service' ), )); } // @todo develop this function protected function _initDbProfiler(){ $this->_logger->info('Bootstrap ' . __METHOD__); if ('production' !== $this->getEnvironment()) { $this->bootstrap('db'); $profiler = new Zend_Db_Profiler_Firebug('All DB Queries'); $profiler->setEnabled(true); $this->getPluginResource('db')->getDbAdapter()->setProfiler($profiler); } } /** * Add Controller Action Helpers */ protected function _initActionHelpers() { $this->_logger->info('Bootstrap ' . __METHOD__); Zend_Controller_Action_HelperBroker::addHelper(new SF_Controller_Helper_Acl()); Zend_Controller_Action_HelperBroker::addHelper(new SF_Controller_Helper_RedirectCommon()); Zend_Controller_Action_HelperBroker::addHelper(new SF_Controller_Helper_Service()); } /** * * @return unknown_type */ protected function _initRoutes(){ $this->_logger->info('Initialize Routes '. __METHOD__); $this->bootstrap('frontController'); $router = $this->frontController->getRouter(); $route = new Zend_Controller_Router_route( 'register', array( 'controller' => 'user', 'action' => 'register' ) ); $router->addRoute('register',$route); $route = new Zend_Controller_Router_route( 'login', array( 'controller' => 'user', 'action' => 'login' ) ); $router->addRoute('login',$route); $route = new Zend_Controller_Router_route( 'logout', array( 'controller' => 'user', 'action' => 'logout' ) ); $router->addRoute('logout',$route); } /** * * @return void */ protected function _initLocale(){ $this->_logger->info('Bootstrap '.__METHOD__); $locale = new Zend_Locale('nl_NL'); Zend_Registry::set('Zend_Locale', $locale); } protected function _initAcl(){ $this->_acl = new EventManager_Service_Acl(); } /** * * @return void */ protected function _initViewSettings(){ $this->_logger->info('Bootstrap '.__METHOD__); $this->bootstrap('view'); $this->bootstrap('Acl'); $this->_view = $this->getResource('view'); //set encoding and doctype $this->_view->setEncoding('UTF-8'); $this->_view->doctype('XHTML1_STRICT'); $this->_view->headMeta()->appendHttpEquiv('Content-Type', 'text/html; charset=UTF-8'); $this->_view->headMeta()->appendHttpEquiv('Content-Language', 'en-US'); //@todo op een later moment moeten hier nog de stylesheets worden toegevoegd $this->_view->headLink()->appendStylesheet('/css/main.css'); //$this->_view->headTitle('Event Manager'); /* Set the head style. $this->_view->headTitle->headStyle(); */ $this->_view->headTitle()->setSeparator(' - '); $this->_auth = Zend_Auth::getInstance(); $navigation = new Zend_Config_Xml(APPLICATION_PATH.'/configs/navigation.xml','nav'); $navContainer = new Zend_Navigation($navigation); $this->_view->navigation($navContainer)->setAcl($this->_acl)->setRole($this->_auth->getStorage()->read()->usr_role); //THIS IS LINE 169!!!!!!!!! } /** * Add graceful error handling to the dispatch, this will handle * errors during Front Controller dispatch. */ public function run() { $errorHandling = $this->getOption('errorhandling'); try { parent::run(); } catch(Exception $e) { if (true == (bool) $errorHandling['graceful']) { $this->__handleErrors($e, $errorHandling['email']); } else { throw $e; } } } /** * Handle errors gracefully, this will work as long as the views, * and the Zend classes are available * * @param Exception $e * @param string $email */ protected function __handleErrors(Exception $e, $email) { header('HTTP/1.1 500 Internal Server Error'); $view = new Zend_View(); $view->addScriptPath(dirname(__FILE__) . '/../views/scripts'); echo $view->render('fatalError.phtml'); if ('' != $email) { $mail = new Zend_Mail(); $mail->setSubject('Fatal error in application Storefront'); $mail->addTo($email); $mail->setBodyText( $e->getFile() . "\n" . $e->getMessage() . "\n" . $e->getTraceAsString() . "\n" ); @$mail->send(); } } } I have tried to debug my code, but everyting goes well until I do somethign with the db. But I don't know what goes wrong with the db. I don't get any clear error messages. Can someone help me? Some more possible interesting data: [bootstrap] resources.db.adapter = "PDO_MYSQL" resources.db.isdefaulttableadapter = true resources.db.params.dbname = "ladosa" resources.db.params.username = "root" resources.db.params.password = "root" resources.db.params.hostname = "localhost" resources.db.params.charset = "UTF8" resources.db.params.profiler.enabled = true resources.db.params.profiler.class = Zend_Db_Profiler_Firebug Autoloadernamespaces[] = "Zend_" Autoloadernamespaces[] = "SF_" phpsettings.display_errors = 0 phpsettings.error_reporting = 8191 phpSettings.date.timezone = "Europe/Amsterdam" bootstrap.path = APPLICATION_PATH"/bootstrap/Bootstrap.php" pluginPaths.resource_ = APPLICATION_PATH"/resources" resources.frontcontroller.moduledirectory = APPLICATION_PATH"/modules" resources.frontcontroller.defaultmodule = "eventManager" resources.frontcontroller.params.prefixDefaultModule = true resources.frontcontroller.exceptions = false resources.view[] = "" resources.layout.layoutPath = APPLICATION_PATH "/layouts/scripts" resources.view.encoding = "UTF-8" resources.view.title = Rode kruis Vrijwilligers applicatie ;resources.view.helperPath.Default_View_Helper = APPLICATION_PATH "/modules/eventManager/views/helpers" resources.layout.layout = "main" [production:bootstrap] [development:bootstrap] ;resources.frontController.throwExceptions = 1 ;phpSettings.display_startup_errors=1 ;phpSettings.display_errors = 1 ;resources.frontcontroller.throwerrors = [test:production] btw. I CAN login to my database command line with the given username and password. Update: today i decided to investigate on my http request and i came to an error 500. My apache logs don't give any related information, I think. I posted the logs above. Any idea's?

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• How to forceably unmount stuck network share in Mac OS X?

  - by Kyle Lowry

  Not long ago my Xserve failed (power loss) while an iMac was working with files on a particular network share (called "Work Share"). This volume, "Work Share", is now stuck. It can't be seen in the GUI, you can only detect it using the Terminal. Even after power cycling over the course of several days, ls -a still shows that it's there, but I can't unmount it using any command - not even as root in single user mode. Every time I attempt to unmount that volume, I get the message that the resource is busy (which it can't possibly be since nothing is using it), and error code 4915. The issue is that when I mount the real "Work Share", it internally is renamed to "Work Share-1", which breaks all my links, and several files in the share. If I can't unmount the false "Work Share", then that computer would be unuseable without a reformat, I would imagine - and I don't want it to have to come to that. I've tried everything I can think of - it looks like sudo can't save me now. Any ideas on how to unmount this stuck volume?

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• Unable to compile netmap on Fedora 32 bit

  - by John Elf

  This is the error everytime I try to install netmap: Can someone let me know how to isntall the same on e1000e or ixgbe. I have kernel header and source installed. [root@localhost e1000]# make KSRC=/usr/src/kernels/2.6.35.6-45.fc14.i686/ make -C /usr/src/kernels/2.6.35.6-45.fc14.i686/ M=/media/sf_Shared/netmap-linux/net/e1000 modules make[1]: Entering directory /usr/src/kernels/2.6.35.6-45.fc14.i686' CC [M] /media/sf_Shared/netmap-linux/net/e1000/e1000_main.o /media/sf_Shared/netmap-linux/net/e1000/e1000_main.c: In function ‘e1000_setup_tx_resources’: /media/sf_Shared/netmap-linux/net/e1000/e1000_main.c:1485:2: error: implicit declaration of function ‘vzalloc’ /media/sf_Shared/netmap-linux/net/e1000/e1000_main.c:1485:20: warning: assignment makes pointer from integer without a cast /media/sf_Shared/netmap-linux/net/e1000/e1000_main.c: In function ‘e1000_setup_rx_resources’: /media/sf_Shared/netmap-linux/net/e1000/e1000_main.c:1680:20: warning: assignment makes pointer from integer without a cast /media/sf_Shared/netmap-linux/net/e1000/e1000_main.c: In function ‘e1000_tx_csum’: /media/sf_Shared/netmap-linux/net/e1000/e1000_main.c:2780:2: error: implicit declaration of function ‘skb_checksum_start_offset’ /media/sf_Shared/netmap-linux/net/e1000/e1000_main.c: In function ‘e1000_rx_checksum’: /media/sf_Shared/netmap-linux/net/e1000/e1000_main.c:3689:2: error: implicit declaration of function ‘skb_checksum_none_assert’ /media/sf_Shared/netmap-linux/net/e1000/e1000_main.c: In function ‘e1000_restore_vlan’: /media/sf_Shared/netmap-linux/net/e1000/e1000_main.c:4617:23: error: ‘VLAN_N_VID’ undeclared (first use in this function) /media/sf_Shared/netmap-linux/net/e1000/e1000_main.c:4617:23: note: each undeclared identifier is reported only once for each function it appears in make[2]: *** [/media/sf_Shared/netmap-linux/net/e1000/e1000_main.o] Error 1 make[1]: *** [_module_/media/sf_Shared/netmap-linux/net/e1000] Error 2 make[1]: Leaving directory/usr/src/kernels/2.6.35.6-45.fc14.i686' make: * [all] Error 2

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• Setfacl configuration issue in Linux

  - by Balualways

  I am configuring a Linux Server with ACL[Access Control Lists]. It is not allowing me to perform setfacl operation on one of the directoriy /xfiles. I am able to perform the setfacl on other directories as /tmp /op/applocal/. I am getting the error as : root@asifdl01devv # setfacl -m user:eqtrd:rw-,user:feedmgr:r--,user::---,group::r--,mask:rw-,other:--- /xfiles/change1/testfile setfacl: /xfiles/change1/testfile: Operation not supported I have defined my /etc/fstab as /dev/ROOTVG/rootlv / ext3 defaults 1 1 /dev/ROOTVG/varlv /var ext3 defaults 1 2 /dev/ROOTVG/optlv /opt ext3 defaults 1 2 /dev/ROOTVG/crashlv /var/crash ext3 defaults 1 2 /dev/ROOTVG/tmplv /tmp ext3 defaults 1 2 LABEL=/boot /boot ext3 defaults 1 2 tmpfs /dev/shm tmpfs defaults 0 0 devpts /dev/pts devpts gid=5,mode=620 0 0 sysfs /sys sysfs defaults 0 0 proc /proc proc defaults 0 0 /dev/ROOTVG/swaplv swap swap defaults 0 0 /dev/APPVG/home /home ext3 defaults 1 2 /dev/APPVG/archives /archives ext3 defaults 1 2 /dev/APPVG/test /test ext3 defaults 1 2 /dev/APPVG/oracle /opt/oracle ext3 defaults 1 2 /dev/APPVG/ifeeds /xfiles ext3 defaults 1 2 I have a solaris server where the vfstab is defined as cat vfstab #device device mount FS fsck mount mount #to mount to fsck point type pass at boot options # fd - /dev/fd fd - no - /proc - /proc proc - no - /dev/vx/dsk/bootdg/swapvol - - swap - no - swap - /tmp tmpfs - yes size=1024m /dev/vx/dsk/bootdg/rootvol /dev/vx/rdsk/bootdg/rootvol / ufs 1 no logging /dev/vx/dsk/bootdg/var /dev/vx/rdsk/bootdg/var /var ufs 1 no logging /dev/vx/dsk/bootdg/home /dev/vx/rdsk/bootdg/home /home ufs 2 yes logging /dev/vx/dsk/APP/test /dev/vx/rdsk/APP/test /test vxfs 3 yes - /dev/vx/dsk/APP/archives /dev/vx/rdsk/APP/archives /archives vxfs 3 yes - /dev/vx/dsk/APP/oracle /dev/vx/rdsk/APP/oracle /opt/oracle vxfs 3 yes - /dev/vx/dsk/APP/xfiles /dev/vx/rdsk/APP/xfiles /xfiles vxfs 3 yes - I am not able to find out the issue. Any help would be appreciated.

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• Starting nginx with systemctl fails, but running the command manually doesn't

  - by Ivan

  On Arch Linux, for some reason, when I try to start nginx with the command "systemctl start nginx", it fails, with this being the output of "systemctl status nginx": Loaded: loaded (/etc/systemd/system/nginx.service; enabled) Active: failed (Result: exit-code) since Wed 2013-10-30 16:22:17 EDT; 5s ago Process: 9835 ExecStop=/usr/bin/chroot --userspec=http:http /home/nginx /usr/bin/nginx -g pid /run/nginx.pid; -s quit (code=exited, status=126) Process: 3982 ExecStart=/usr/bin/chroot --userspec=http:http /home/nginx /usr/bin/nginx -g pid /run/nginx.pid; daemon on; master_process on; (code=exited, status=0/SUCCESS) Process: 10967 ExecStartPre=/usr/bin/chroot --userspec=http:http /home/nginx /usr/bin/nginx -t -q -g pid /run/nginx.pid; daemon on; master_process on; (code=exited, status=126) Main PID: 3984 (code=exited, status=0/SUCCESS) CGroup: /system.slice/nginx.service ...but when I run /usr/bin/chroot --userspec=http:http /home/nginx /usr/bin/nginx -t -q -g "pid /run/nginx.pid; daemon on; master_process on;" and then /usr/bin/chroot --userspec=http:http /home/nginx /usr/bin/nginx -g "pid /run/nginx.pid; daemon on; master_process on;" as root, all it does is return a warning, but works just fine: nginx: [warn] the "user" directive makes sense only if the master process runs with super-user privileges, ignored in /etc/nginx/nginx.conf:1 Why is it doing that?

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• Cannot install mercurial properly - PYTHONPATH error

  - by evident

  Hi, I have a server running on Ubuntu 10.04 on which I wanted to install Mercurial via % sudo apt-get install mercurial It seems to have installed successfully and doesn't show me any error messages. But when I try it I get: % hg abort: couldn't find mercurial libraries in [/usr/bin /usr/lib/python2.6 /usr/lib/python2.6/plat-linux2 /usr/lib/python2.6/lib-tk /usr/lib/python2.6/lib-old /usr/lib/python2.6/lib-dynload /usr/lib/python2.6/dist-packages /usr/lib/pymodules/python2.6 /usr/local/lib/python2.6/dist-packages] (check your install and PYTHONPATH) I've googled for a while now and found some sites with the same problem but I still have no idea on how to fix it since it nowhere really says what I need to look for or what I need to add to my PYTHONPATH... By the way, right now my PYTHONPATH seems to be empty: % echo $PYTHONPATH % This is what I get if I look into my /usr/lib/ directory for mercurial: % find /usr/lib/py* -name 'mercurial*' /usr/lib/pymodules/python2.6/mercurial /usr/lib/pymodules/python2.6/mercurial-1.4.3.egg-info /usr/lib/pyshared/python2.6/mercurial Can anybody please help me with that? What (and how) should I set my PYTHONPATH to? I already tried reinstalling, installing with "easy_install mercurial" or with "aptitude reinstall mercurial" but nothing helped. I always get this same error. Would be great if anyone could help... thanks! ADDITION: Building from scratch didn't work out well... when I am logged in as root I can use hg, but when I access with my normal user I get: % hg Traceback (most recent call last): File "/usr/local/bin/hg", line 4, in <module> import pkg_resources File "/usr/lib/python2.6/dist-packages/pkg_resources.py", line 2659, in <module> parse_requirements(__requires__), Environment() File "/usr/lib/python2.6/dist-packages/pkg_resources.py", line 546, in resolve raise DistributionNotFound(req) pkg_resources.DistributionNotFound: mercurial==1.7.2

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• publickey authentication only works with existing ssh session

  - by aaron

  publickey authentication only works for me if I've already got one ssh session open. I am trying to log into a host running Ubuntu 10.10 desktop with publickey authentication, and it fails when I first log in: [me@my-laptop:~]$ ssh -vv host ... debug1: Next authentication method: publickey debug1: Offering public key: /Users/me/.ssh/id_rsa ... debug2: we did not send a packet, disable method debug1: Next authentication method: password me@hosts's password: And the /var/log/auth.log output: Jan 16 09:57:11 host sshd[1957]: reverse mapping checking getaddrinfo for cpe-70-114-155-20.austin.res.rr.com [70.114.155.20] failed - POSSIBLE BREAK-IN ATTEMPT! Jan 16 09:57:13 host sshd[1957]: pam_sm_authenticate: Called Jan 16 09:57:13 host sshd[1957]: pam_sm_authenticate: username = [astacy] Jan 16 09:57:13 host sshd[1959]: Passphrase file wrapped Jan 16 09:57:15 host sshd[1959]: Error attempting to add filename encryption key to user session keyring; rc = [1] Jan 16 09:57:15 host sshd[1957]: Accepted password for astacy from 70.114.155.20 port 42481 ssh2 Jan 16 09:57:15 host sshd[1957]: pam_unix(sshd:session): session opened for user astacy by (uid=0) Jan 16 09:57:20 host sudo: astacy : TTY=pts/0 ; PWD=/home/astacy ; USER=root ; COMMAND=/usr/bin/tail -f /var/log/auth.log The strange thing is that once I've got this first login session, I run the exact same ssh command, and publickey authentication works: [me@my-laptop:~]$ ssh -vv host ... debug1: Server accepts key: pkalg ssh-rsa blen 277 ... [me@host:~]$ And the /var/log/auth.log output is: Jan 16 09:59:11 host sshd[2061]: reverse mapping checking getaddrinfo for cpe-70-114-155-20.austin.res.rr.com [70.114.155.20] failed - POSSIBLE BREAK-IN ATTEMPT! Jan 16 09:59:11 host sshd[2061]: Accepted publickey for astacy from 70.114.155.20 port 39982 ssh2 Jan 16 09:59:11 host sshd[2061]: pam_unix(sshd:session): session opened for user astacy by (uid=0) What do I need to do to make publickey authentication work on the first login? NOTE: When I installed Ubuntu 10.10, I checked the 'encrypt home folder' option. I'm wondering if this has something to do with the log message "Error attempting to add filename encryption key to user session keyring"

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• gpg symmetric encryption using pipes

  - by Thomas

  I'm trying to generate keys to lock my drive (using DM-Crypt with LUKS) by pulling data from /dev/random and then encrypting that using GPG. In the guide I'm using, it suggests using the following command: dd if=/dev/random count=1 | gpg --symmetric -a >./[drive]_key.gpg If you do it without a pipe, and feed it a file, it will pop up an (n?)curses prompt for you to type in a password. However when I pipe in the data, it repeats the following message four times and sits there frozen: pinentry-curses: no LC_CTYPE known assuming UTF-8 It also says can't connect to '/root/.gnupg/S.gpg-agent': File or directory doesn't exist, however I am assuming that this doesn't have anything to do with it, since it shows up even when the input is from a file. So I guess my question boils down to this: is there a way to force gpg to accept the passphrase from the command line, or in some other way get this to work, or will I have to write the data from /dev/random to a temporary file, and then encrypt that file? (Which as far as I know should be alright due to the fact that I'm doing this on the LiveCD and haven't yet created the swap, so there should be no way for it to be written to disk.)

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• How to set only specific nginx server block into maintenance mode programmatically

  - by Ville Mattila

  I am looking for a solution to automate one of our application's deployment process. In the beginning of deployment, I would like to programmatically set the specified server into maintenance mode and finally after the deployment has been completed, remove the maintenance mode flag from the nginx server. By maintenance mode, I mean that nginx should response with HTTP Response Code 503 to all the requests (with possible custom page). I know how to set the server block to respond with 503 code (see http://www.cyberciti.biz/faq/custom-nginx-maintenance-page-with-http503/) but the question is about how to do this programmatically and most efficiently. Two options have came to my mind: Option 1: At the beginning of the deployment process, write a maintenance file into document root and conditionally check an existence of the maintenance file in nginx server config: server { if (-f $document_root/in_maintenance_mode) { return 503; } } This method contains certain overhead as the file existence is checked for each request. Is it possible to check the file existence only when loading the nginx config? Option 2: Deployment script replaces the whole nginx server configuration file with a maintenance version and swaps it back in the end of the deployment. If this method is used, I am concerned about possible other automation processes like puppet that may be override the maintenance configuration file.

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• Office 2007 constantly crashes, logged as Event ID 1000

  - by Nori

  I have a user, who despite my best efforts, is having constant Office 2007 crashes. I've tried deleting their profile and setting it up again, repairing office, uninstalling completely and then reinstalling, and swapping out memory sticks. One event log error I keep getting is the following: (note all the Office errors are event id 1000) Faulting application name: OUTLOOK.EXE, version: 12.0.6539.5000, time stamp: 0x4c12486d Faulting module name: EMSMDB32.DLL, version: 12.0.6539.5000, time stamp: 0x4c1246f8 Exception code: 0xc0000005 Fault offset: 0x0005d8e2 Faulting process id: 0xf6c Faulting application start time: 0x01cb6633f33384f3 Faulting application path: C:\Program Files (x86)\Microsoft Office\Office12\OUTLOOK.EXE Faulting module path: c:\progra~2\micros~1\office12\EMSMDB32.DLL Report Id: 0d4a2eab-d231-11df-80a0-4061868f5d10 I also get this: Faulting application name: OUTLOOK.EXE, version: 12.0.6539.5000, time stamp: 0x4c12486d Faulting module name: olmapi32.dll, version: 12.0.6538.5000, time stamp: 0x4bfc6ad9 Exception code: 0xc0000005 Fault offset: 0x002357a9 Faulting process id: 0x5e4 Faulting application start time: 0x01cb661f4546aa77 Faulting application path: C:\Program Files (x86)\Microsoft Office\Office12\OUTLOOK.EXE Faulting module path: c:\progra~2\micros~1\office12\olmapi32.dll Report Id: a4a90658-d224-11df-80a0-4061868f5d10 The Excel error is this: Faulting application name: EXCEL.EXE, version: 12.0.6535.5002, time stamp: 0x4bd2a7f1 Faulting module name: KERNELBASE.dll, version: 6.1.7600.16385, time stamp: 0x4a5bdbdf Exception code: 0xe06d7363 Fault offset: 0x0000b727 Faulting process id: 0x14a8 Faulting application start time: 0x01cb61ab7bc0abab Faulting application path: C:\Program Files (x86)\Microsoft Office\Office12\EXCEL.EXE Faulting module path: C:\Windows\syswow64\KERNELBASE.dll Report Id: ba0c454b-cd9e-11df-80a0-4061868f5d10 Also have gotten this for PowerPoint: Faulting application name: POWERPNT.EXE, version: 12.0.6500.5000, time stamp: 0x49a68f9d Faulting module name: COMShim.dll, version: 2010.3.325.110, time stamp: 0x4c51e0b1 Exception code: 0x40000015 Fault offset: 0x0001e388 Faulting process id: 0x1480 Faulting application start time: 0x01cb5fe9a0660e81 Faulting application path: C:\Program Files (x86)\Microsoft Office\Office12\POWERPNT.EXE Faulting module path: C:\Program Files (x86)\FactSet\COMShim.dll Report Id: e03d2a21-cbdc-11df-9bc8-4061868f5d10 (Some of the above lines edited to keep you from scroll horizontally.) Lastly, I get this error several times a day, I don't think it is related but maybe it is: Failed extract of third-party root list from auto update cab at: http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab with error: A required certificate is not within its validity period when verifying against the current system clock or the timestamp in the signed file. Any ideas? This is driving me nuts.

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