Netcat (nc) traditional package for RHEL 6.x?
please install package the called nmap-ncat and check it.
cacti
16TB Volumes and SNMP On Windows
A while ago there was a patch for Net-SNMP 5.5 which introduced a new option realStorageUnits for the configuration file. From the Redhat Bugreport #748410: To address this issue [negative hrStorageSite values], this update adds a new option to the /etc/snmp/snmpd.conf configuration file, realStorageUnits. By changing the value of this option to 0, users can … Read more
Munin vs Nagios
Munin and Nagios are really different tools. From the official Munin website: Munin is a networked resource monitoring tool that can help analyze resource trends and “what just happened to kill our performance?” problems. It is designed to be very plug and play. A default installation provides a lot of graphs with almost no work. … Read more