Compiling PHP 5.5 from Source on CentOS 6 RHEL 6 – configure: error: xml2-config not found. Please check your libxml2 installation.

Hey br0’s, Check this out: say you’re on CentOS 6 or RHEL6 or what have you and you’re trying to compile php 5.5.  You may end up getting the following error: vmhacks.com]# ./configure –prefix=/phproot configure: error: xml2-config not found. Please check your libxml2 installation. Here’s what you need to run in order to install the… Continue reading Compiling PHP 5.5 from Source on CentOS 6 RHEL 6 – configure: error: xml2-config not found. Please check your libxml2 installation.

Relay Mail To Two or Multiple eMail SMTP Servers Simultaneously Using exim in Linux CentOS 6 RHEL 6

Hey there fellow Hurston students! I recently completed migrating a Windows email server running SmarterMail to a Linux server running Zimbra. One of the methods used to ensure a smoother transition over to the Zimbra system was to configure an exim mail relay to receive mail destined for my domains and deliver them to both… Continue reading Relay Mail To Two or Multiple eMail SMTP Servers Simultaneously Using exim in Linux CentOS 6 RHEL 6

IP Address Active/Passive Failover Setup in Linux CentOS 6 RHEL 6 using keepalived

Hey everyone out there in BBS land.  Your old friend Max here to dump out some knowledge on you. Imagine you’re living in a world of two systems and three IP addresses.  One of the IP addresses is really importing and if the system it’s running on explodes, you want it to come back up… Continue reading IP Address Active/Passive Failover Setup in Linux CentOS 6 RHEL 6 using keepalived

Dell iDRAC 7 Enterprise RAC0218: The maximum number of user sessions is reached. Integrated Dell Remote Access Controller Error

Hey folks, Anyone using iDRAC management interfaces may run into problems.  I started having issues with the web interface locking up and then could not log in with the interface returning this error after successful login: “RAC0218: The maximum number of user sessions is reached.” You should be able to still login to the iDRAC… Continue reading Dell iDRAC 7 Enterprise RAC0218: The maximum number of user sessions is reached. Integrated Dell Remote Access Controller Error

How To Setup MySQL Enterprise Monitoring with Zabbix

This article is NOT about how to setup the application called MySQL Enterprise Monitor but rather how to setup MySQL monitoring in your Zabbix Enterprise Monitoring software. Here’s how this works: – Network communication to the server provided by the Zabbix Agent. – Agent side UserParameter settings allow for needed commands to be run against… Continue reading How To Setup MySQL Enterprise Monitoring with Zabbix

Running Bacula bconsole Commands from bash CLI

Greetings, Traveler. So if you’re one of the types who use Bacula as your backup server, you’re probably familiar with the ‘bconsole’ command line utility.  I prefer using this to the Bacula Admin Tool (BAT) because it’s faster. The neat thing is that you can pipe commands right to bconsole to get immediate output from… Continue reading Running Bacula bconsole Commands from bash CLI

Set Default Directory Permissions in Using ACLs

I’ve only tested this on RHEL/CentOS/Scientific Linux but should work on any system running Linux acl. ACL’s are useful for providing more granular file and directory access permissions as a supplement to the standard Unix user/group permissions. Let’s say you want the user ‘funboy’ to have full control over the /disco directory on your system, and… Continue reading Set Default Directory Permissions in Using ACLs

Dell OpenManage System Administrator Startup Error – DSM SA Shared Services cannot start on an unsupported system

OK so what if you’re using CentOS on some Dell hardware and you’ve installed Dell OpenManage System Administrator (OMSA).  You might receive the following error when you try to start it up! Starting Systems Management Data Engine: Failed to start because system is not supported dsm_om_shrsvc: DSM SA Shared Services cannot start on an unsupported… Continue reading Dell OpenManage System Administrator Startup Error – DSM SA Shared Services cannot start on an unsupported system