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Howto setup Asterisk behind NAT
This HOWTO assumes that your FreePBX system is sitting behind a NATed firewall with no direct connection to the outside world and it is NOT in the DMZ zone. If you have your system facing outside, or have used Mapped IP addresses or other techniques, then it is assumed that you have adequate knowledge to […]
How To Install and Configure SNMP on RHEL 7 or CentOS 7
SNMP stands for “Simple Network Management Protocol”, it can be utilized to monitor any devices that support snmp, few of the devices are server, router, network printers, firewalls. SNMP can monitor a variety of parameters for these devices such as server performance, network usage, disk utilization. Check Package Check if the package is already installed, […]
Create Permanent alias on CentOS/Redhat
The ‘alias’ command in CentOS allows for you to create an alias to a command. For example, if you want to use the vim text editor, but are used to typing vi file-to-edit.txt, you can create an alias to automatically start vim instead of vi when typing the command. Showing current aliases To show the […]