GRUB : Grand Unified Bootloader GRUB stands for Grand Unified Bootloader. It is mostly used on linux operating system. The primary function of GRUB is to take over control from BIOS and load the kernel into memory. It supports multiple kernel images to be installed and and allows the users to choose the one to …
Before going through the process of how to update ubuntu kernel manually, let’s have a brief introduction about what is kernel. Kernel is a core of an operating system. It usually resides in the protected area of system memory so that it can stay safe from being overwritten by any other program. Kernel is the …
In Openstack AIO deployment all the openstack services like keystone, nova, neutron, cinder, horizon, swift, heat etc are installed in a single node. Openstack Release : Train Deployment Method: OpenStack-Ansible OS : CentOS Linux release 7.8.2003 (Core) Server : Azure Virtual Machine Openstack Ref Deployment guide : https://docs.openstack.org/openstack-ansible/train/user/aio/quickstart.html Steps to deploy openstack aio Login to …
SNMP is most widely used application layer protocol used to manage and monitor the devices connected over network. There are three version of SNMP. Let’s understand the main difference between SNMPv1, SNMPv2c and SNMPv3. SNMPv1 Vs SNMPv2c Vs SNMPv3 Below tables explains the main difference between SNMPv1, SNMPv2c and SNMPv3 Sr.no SNMPv1 SNMPv2c SNMPv3 1. …
Read moreWhat are the difference between SNMPv1, v2c and v3?
SNMP TRAP and INFORM message are used in case of any fault or error occurrence in the devices being monitored or managed. Let’s discuss both SNMP TRAP Traps are the alert notification messages sent from SNMP Agents to Manager.These messages are generated whenever any failure or fault has been occurred in the monitored device or …
What is SNMP SNMP stands for simple network management protocol. As the name suggest this protocol is used to manage and monitor the network devices. It can manage devices like computers/servers, routers, printer or any devices which can be accessed over the network. It is an application layer protocol used for communication between network device …
Read moreSNMP Tutorial – What is SNMP ? How SNMP Works ? What’s the default SNMP Port Number?