Tag archives for LInux
How to rename pacemaker Cluster name in running configuration
Today i was working to create one Cluster between two Ubuntu machine, During that time type wrong Cluster name and created Cluster with wrong it will not effect functions of…
How to identify network speed between two machine.
Sometime we need to know maximum bandwidth that could attain between two machines within network,So we have many tools for it. In Linux we have simple and effective command to…
Resize Software raid through mdadm
In Linux/Unix machine we used software raid many times which used to manage Disk and provide easy manageable raid options without any interaction with Data-Center Engineer. In such case i…
Netspeed – Display Download/Upload Speed on Ubuntu 20.04
I remember in Ubuntu version we have one netspeed package which was capable to display real-time Download/Upload speed of interfaces. But in Ubuntu , this is fairly easy method to…
Cockpit – Linux Powerful tool to Monitor and Administrate using Web console
Cockpit is graphical user interface hosted on Webs for administrative purpose Cockpit is easy to use, lightweight and powerful tool to manage Linux machines. You can easily add other machine…
Bat – Advance cat in Linux
In Linux to see any file most of linux users using cat command which is one of most used command on Linux operating system from that time of its origin.…
How to Upgrade Ubuntu 18.04 to Ubuntu 20.04
Some of my machine are running on LTS version. As we now Ubuntu has been released in past couple of months. So now i need to upgrade my Ubuntu LTS…
Pacemake High Availability Cluster on CentOS / RHEL 8
In our infrastructure services we used Linux pacemaker cluster a lot to provide load balancing and fault tolerance. This provide great features to setup our production application so that we…
Install MongoDB 4.2 on CentOS7
MongoDB is NoSQL database which is used to store large amount of data with as document storage with schema schema. It done't have tabular format of database like relational database…
How To: Watch Server Logs in Real Time
On Linux/Unix machines many logs files generated on basis of process running on them. Usually every application and process as has some mechanism to log what running in it. We…
How to Install oh-my-zsh on Ubuntu18.04
Linux machine has many shells, bash is default one. But Zsh shell is quit famous in many Linux advanced users and programmers due to its features and various plugins provided…
How to Reduce Disk Size of kvm Virtual Machine through virt-sparsify
This is another way to decrease disk size of kvm virtual machines. we have another post which shows same thing through qemu-img command. But in this post we will see…
How To Do Mac-binding For KVM Virtual Machine in KVM DHCP
For most of my Setup, I used KVM virtual machines on Ubuntu Host Machine (Ubuntu ). These Virtual machines get dynamic IP Address through KVM in-build DHCP. But today my…
Define New Virtual Machine through xml file
I Do most of my research for various post on KVM Guest machine on my Ubuntu machine. But whenever i need to transfer Guest machine from one Host machine to…
Linux: Swap Disk with Physical Volume manager
Sometime, we have requirement in which we need to move logical volume located on one Physical Volume to another. What we can do like, we want to remove a physical…