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Installing Development Tools on CentOS / Red Hat

If you missed installing the Development Tools in the initial install, there is a quick way to load them without installing them individually. yum groupinstall ‘Development Tools’ This will install gcc, make, automake plus otther tools with all their dependencies and libraries.


Quick Zabbix Agent install for CentOS

extract source on host create user zabbix set passwd for zabbix switch user to zabbix runĀ  ./configure –enable-agent switch user to root run make install mkdir /etc/zabbix edit zabbix_agentd.conf and change hostname mv /home/zabbix/zabbix_agentd.conf /etc/zabbix/ mv /home/zabbix/zabbix-agent.init /etc/init.d/zabbix-agent chkconfig –add zabbix-agent chkconfig zabbix-agent on service zabbix-agent start


Do your VMs have all the resources you think they have?

I have a ‘well established’ VMware infrastructure that started back in ESX 1.51. So obviously I have been through many upgrades and/or migrations, but even though my ESX servers have been rebuilt, my VMs from older versions were not. I don’t remember which revision or which combination of upgrade/migration caused it, but it did warn […]