Monitoring Proxmox with InfluxDB and Grafana in 4 Easy steps
January 14, 2021 No Comments
A short guide for Monitoring Proxmox environment and visualizes resource utilization using InfluxDB and Grafana.
Recent Posts
Install InfluxDB on Linux | 3 Easy steps
January 2, 2021 No Comments
Install InfluxDB on Linux servers to capture the time series formatted database from any devices. It helps to create a rich visualization graph.
Migrating from CentOS 8 to CentOS 8 Stream
December 31, 2020 1 Comment
For anyone who is developing applications to run on Red Hat Enterprise Linux 8, CentOS 8 Stream really is a blessing since you now have access to a stable operating system on which your application will eventually run.
Troubleshooting Guides
Change default kernel to boot in RHEL 8 | Easy guide
December 13, 2020 No Comments
A how-to guide to Set the default kernel in RHEL based operating system. This may be required when we are installed with multiple kernel versions in our Linux servers.
grub2-editenv: error: environment block too small | Simple Solution
December 12, 2020 No Comments
A quick guide to resolve the “grub2-editenv: error: environment block too small” error when the grubenv file size exceeds the expected 1024 bytes.
vSAN cluster UUID mismatch | 1 Quick Solution
August 16, 2020 No Comments
A quick solution to resolve vSAN cluster UUID mismatch in VMware environment.
Docker
How to attach a Docker volume to the container
how to attach a persistent volume in a docker container. If we don’t have separate storage the data will not persist once the container is no longer up and running.
November 6, 2018 No Comments
Docker
How to manage Docker containers
How to manage Docker containers by stopping, resuming, killing and removing. Removing Docker images required docker stop then we can remove them.
November 2, 2018 No Comments
Docker
How to expose the docker network
Connect with Docker containers and expose the docker network to know the IP address and ports. Launch a container using the specific forward IP address.
October 29, 2018 No Comments
Docker
How to search for docker images and launch a container
How to launch a Docker container by searching for a docker images in docker registry. By the following pull and launch a docker container from command line.
October 27, 2018 No Comments
FreeIPA
Creating our 1st DNS zones and DNS record in IPA Server
Creating DNS zones in Red Hat IDM server or IPA server. And create DNS records in the zone for a forward lookup and reverse lookup.
October 26, 2018 1 Comment
Container
Installing Docker on Red Hat Enterprise Linux and CentOS Linux 7
Docker is an open-source software which helps to set up with Container as a service CaaS. It will covert the operating system as a virtualization platform.
October 22, 2018 No Comments
Linux networking
Change systemd network interface name ensxx to eth0
Changing systemd network interface name (ensxx) in RHEL and CentOS to a legacy naming convention eth0.
October 16, 2018 No Comments
IDM Server
Setup an Identity Management server in Linux using IPA
Introduction Identity Management server: Are you looking to implement any one of the centralized authentication solutions in your
October 13, 2018 12 Comments
Logical Volume Management
Create Logical volume management LVM file-system in Linux
Creating an LVM flexible filesystem in Linux server using Logical volume management (LVM) which helps to expand from small size to large in size on the fly.
October 4, 2018 No Comments
Filesystem
Create and mount filesystems in Linux
In this guide lets see how to create a different filesystem and mount it in Linux, the following
October 2, 2018 No Comments
Disk Layout
FDISK to partition the disks in Linux
Introduction: Maybe this can be well known to you. Still, many of them wonder how to work with
September 22, 2018 No Comments
PAM
How to enable last login information for SFTP chroot or non-chroot users
In this guide, we are looking into a PAM implementation. By default, SFTP chroots and non-chroot users last login information
September 17, 2018 No Comments
Logical Volume Management Guides
How to Shrink XFS Partition for the root filesystem | 1 Easy guide
December 23, 2020 No Comments
An easy step by step guide to shrink XFS partition on a logical volume by taking an xfsdump and restore using xfsrestore.
Resize root LVM Partition in RHEL and Oracle Linux 7/8 | Easy guide
December 19, 2020 No Comments
A quick guide to Resize Root LVM partition on any RHEL based operating systems such as CentOS, Oracle Linux, Scientific Linux and much more.
Recover a failed or deleted Physical Volume (PV) in LVM | 1 Easy guide
December 17, 2020 No Comments
A quick guide to recover the metadata of a failed physical disk or deleted physical volume in logical volume management.
Recover a deleted Logical Volume in LVM | 1 Quick guide
December 15, 2020 No Comments
A quick guide about restoring a deleted logical volume in Linux operating system. vgcfgrestore a single command is more than enough to restore the LV.
Moving a Volume Group from one Server to another Server
May 10, 2020 2 Comments
Moving a Volume group from one system to another system without missing any underlying logical volumes and file systems.
Create a Thinly Provisioned Logical Volume on Linux
September 1, 2019 No Comments
Thinly Provisioned Logical volume is one of the advanced feature available in Logical volume Management, We can provision storage more than what we have.
