A fix for boot issue (Grub rescue) will be carried out by sysadmins by following few steps. A brief guide on how to recover GRUB and UEFI based servers.
Linux Administration
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How to build an RPM package from Source
PRM Package, Packing an RPM may require while we need to build something from source.
Linux Variant's
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Step by Step Installing CentOS Linux 8 with Screenshots
CentOS Linux 8 is completely free to use and licensed under GNU GPL, It provides all features available in RHEL 8 and support available from the community.
Cloud & Containerization
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How to Set up a Kubernetes Cluster with Rancher
Rancher is an OpenSource product simplify the management of Kubernetes cluster. Rancher is just a web User Interface to manage the Kubernetes cluster.
Cloud & Containerization
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How to Install and configure Kubernetes (k8s) on Ubuntu 18.04 LTS
Kubernetes or k8s is trending Open Source container orchestration solution provides feature such as application deployment by automating, scaling etc.
Ubuntu Linux
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How to Install and Configure Apt Cache Server On Ubuntu 18.04 LTS
Apt Cache Server available for Debian based Operating Systems and it helps to cache the packages installed with apt and saves a lot of bandwidth.
Storage Servers
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Create a Thinly Provisioned Logical Volume on Linux
Thinly Provisioned Logical volume is one of the advanced feature available in Logical volume Management, We can provision storage more than what we have.
Linux Administration
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How to create a Linux Network Bridge on CentOS/RHEL7
Linux Network Bridge is a device that separates two or more network segments within one logical network and behaves like an L2 Switch but really it’s not.
Security
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Migrate existing Iptables to Nftables in RHEL8/CentOS
Iptables can be migrated to nftables without spending time on writing it. Red Hat 8 based operating system provides translate tool to migrate the rules.
Linux Administration
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How to Configure a Network Interface on CentOS7 and RHEL7/8
Step by step guide to configure a network interface on Linux Operating Systems using command line tool nmcli. This guide applied for RHEL, CentOS & Oracle.