Category Archives: Servers

Linux : Add OpenNMS data source to Grapfana not found error

Heading toward OpenNMS and Grafana for your monitoring and visualization needs? Way to go! (or Oh Yeah! like Duffman would say). First of all, I suppose since you’ve end up reading that post, that you have a successful installation of OpenNMS, Grafana and OpenNMS Help plugin. Adding a data source in Grafana in your OpenNMS… Read More »

Windows : How to configure VLans on Intel network adapter with PowerShell

If you have an Intel card and the necessary “Advanced Network Services (ANS)”, that is bundled with the Intel driver, you have the capability to manage VLans for your network interface with PowerShell. 1. Use the “ipconfig” command to find out the name of your adapter. Example :

In that case, our adapter name… Read More »

Linux : How to enable the cPanel feature on R1Soft server

If you are running both cPanel and have your own R1Soft server, there is a nice integration in cPanel that allow users to restore files, database or their whole account from this external backup source/destination. There are several steps involved for this, such as : 1. Enable control panel restore on the R1Soft server ;… Read More »

Linux : How to open a port from a specific source IP address with CSF

It is possible with Config Security Firewall (CSF) to open an inbound port from a specific source IP address. This is defined outside of the global configuration (csf.conf), within a dedicated config file. 1. Open the following file with your favorite text editor :

2. Follow this syntax to open a specific port for… Read More »

Linux : How to change default route metric

Under some rare circumstances, you may require to change the default route metric. The first way of doing should be through the “ifcfg-ethX” configuration file by adding the “METRIC=” statement. However it has been found to be inefficient for me and had to apply it using “ip route” as followed :

Example :

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