Here is the steps required to test and send an e-mail using the command prompt and Telnet. See the commands required below : EHLO MAIL from: RCPT to: DATA From: To: Subject: . QUIT Here is an overview of what you’ll get with the commands in bold : # telnet smtp.domain.tld 25 Trying 0.0.0.0… Connected… Read More »
Having this error while trying to test connection between your machine and R1Soft server? ERROR: Could not authenticate agent ERROR: Agent authentication failed. ERROR: AGENT: host (0.0.0.0) port (00000) failed authentication ERROR: AGENT: RSA decrypt failed This mean your server have a different authentication key than expected. You need to remove the current key and… Read More »
Having this error performing task on your MySQL database? Couldn’t execute ‘SHOW TRIGGERS LIKE ‘table_name”: Got error 28 from storage engine (1030) This might happen under those two circumstances : – Your filesystem is full > [ make some room or add more storage! ] – You’ve reached the maximum open file > [ increase… Read More »
Have you seen this in the logs of one of your iBGP router? rpd[0000]: bgp_recv: peer 0.0.0.2 (Internal AS 00000): received unexpected EOF You can also notice this related error on your eBGP router : rpd[0000]: bgp_listen_accept: Connection attempt from unconfigured neighbor: 0.0.0.2+00000 This mean you have a inexistant or unconfigured community for this neighbor trying… Read More »
Have you recently noticed the following error message in /var/log/secure with RHEL/CentOS 6? PAM unable to dlopen(/lib64/security/pam_fprintd.so): /lib64/security/pam_fprintd.so: cannot open shared object file: No such file or directory PAM adding faulty module: /lib64/security/pam_fprintd.so There is several bug reports regarding this. I think PAM is trying to load an inexistant module. You should be concerned only… Read More »
Getting this error for NewRelic module after PHP update from 5.3 to 5.4? newrelic.so: undefined symbol: php_end_ob_buffer in Unknown on line 0 This mean the module is not compatible with your new PHP version. To resolve this matter, follow these easy steps. Uninstall NewRelic completely : yum remove newrelic-daemon newrelic-sysmond newrelic-php5 newrelic-php5-common Then reinstall : yum… Read More »
Having this error with Zimbra backups? 2013-11-13 11:26:32,788 INFO [qtp1377413258-164433:https://0.0.0.0:7071/service/admin/soap/GetMailQueueInfoRequest] [name=user@domain.tld;mid=15;ip=0.0.0.0;ua=ZimbraWebClient – GC30 (Mac);] SoapEngine – handler exception com.zimbra.common.service.ServiceException: system failure: exception during auth {RemoteManager: mail.domain.tld->zimbra@mail.domain.tld:22} ExceptionId:qtp1377413258-164433:https://0.0.0.0:7071/service/admin/soap/GetMailQueueInfoRequest:1384359992787:2ad736ecb0b90e52 Code:service.FAILURE This might be caused by the Zimbra user cannot establish a loopback SSH connection to the server. Zimbra rely on the network interface IP to establish the… Read More »
Get this error message while trying to start Apache? Invalid command ‘SSLEngine’, perhaps misspelled or defined by a module not included in the server configuration Make sure you are loading mod_SSL by having this statement in your configuration file (such as httpd.conf, ssl.conf, vhost.conf) : LoadModule ssl_module modules/mod_ssl.so
Having issue connecting mobile devices to your new Exchange 2013 server and get “unable to verify account information” error message? Well there is several possible causes, however I find out that Windows Authentication is disabled by default in IIS and is the root cause if the issue with Exchange 2013. First, make sure the external… Read More »
I recently end up with the following error while completing a certificate request on Windows Server 2012 and IIS 8 : Execption from HRESULT: 0x8007005(E_ACCESSDENIED) The workaround I’ve found is to manually install the certificate. Follow theses steps to proceed with a manual SSL certificate installation : 1. Open the Microsoft Management Console (well known… Read More »