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Linux: How to disable/enable journaling on an ext4 filesystem
Sometimes you may be required to disable journaling to improve performance. Here is the steps to disable journaling on ext4 file system (e.g. /dev/sda2).
STEP...
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Harbor – Cloud Native Container Registry
Harbor is an open source trusted cloud native registry project that stores, signs, and scans content. Harbor extends the open source Docker...
How to Enable Monit alert in Linux – Part 2
In last post we have seen how to
setup monit, now we will see how to enable alert to various mandatory mediums.
Without alert...
LINUX
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How to Increase SWAP partition in Linux
Swap space is used when the amount of physical memory (RAM) is full. If the system needs more memory and no more RAM is...
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What is IAM Roles and How to add with Amazon EC2
What are IAM Roles?
Using IAM we can define who can access which resource in EC2, RDS, S3 and all the other AWS services. In...
PERFORMANCE
How to Setup LAMP on Ubuntu/Debian
A “LAMP stack” is a combination of operating system and software which enables you to host websites and web apps on your server.
The term...
How to Install Docker on CentOS/Redhat 6
Docker is a tool which quickly lets you to create light weight VMS with your code and deploy it as fast as possible through...
Docker Bridge Networking – Lets Deep Drive it
In Bridge mode, the Docker daemon creates docker0, a virtual Ethernet bridge that automatically forwards packets between any other network interfaces that are attached...
How to Setup AWS Inter-Region VPC Peering
Amazon EC2 now allows peering relationships to be established between Virtual Private Clouds (VPCs) across different AWS regions. Inter-Region VPC Peering allows VPC resources...
How to Delete a AWS CloudFormation Stack – Part 6
For now we seen how to create a stack and how its works, Now will see how to delete the stack in details,
To delete...
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What is initrd and How to rebuild the initial ramdisk image
The initial RAM disk (initrd) is an initial root file system that is mounted prior to when the real root file system is available....
