Author Archives: sukrant - Page 2
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…
Disable Login Banner of Ubuntu 20.04
Usually we have some banner in most of Operating system, Like I recently install Ubuntu which have one banner message which contains very useful information with some stats about operating…
How to enable KVM virsh console access for Ubuntu 20.04 VM
KVM is great tool for virtualisation on Linux machines, it provide complete control over Virtual machine and provide reliable alternative in terms of any third-party tools in Recently I install…
How to upgrade to CentOS Linux 8.2 (2004)
CentOS Linux (2004) has been released. As we know CentOS is created on RHEL (RedHat Enterprise Linux) source code. So it highly stable and high performance, yet OpenSource that anyone…
Disable ipv6 on CentOs8 RHEL8
Internet protocol version 6 (IPv6) is released long time ago, But still most of organisation are using ipv4 CentOS8, By default ipv6 is enabled in CentOS8, which is show in…
How to disable consistent interface naming on CentOS8
In CentOS 8 , consistent device mapping is enabled in which udev device manager generates device names based on various schemes mentioned in Redhat link. 1. eno1 -- Device names…
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 in CentOS6
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…
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 change/Edit Kernel cmdline in CentOS7
In Linux Machine, sometime we need to change or edit kernel parameters to add some more features on Linux operating system. change in Kernel parameters would make it persistent across…
Install MongoDB 4.2 on CentOS8
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 List Compiled PHP Modules in Command line
Now days we have plenty of applications and Tools using PHP as front-end to design Web user interface. Over cross of time PHP has plenty of different modules that support…
MySQL: ERROR 1819 Your password does not satisfy the current policy requirements
Sometime on MySQL, whenever we need to change password or create new User. it comes up with some ERROR 1819,Your password does not satisfy the current policy requirements . This…
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 Create a New User and Grant Permissions in MySQL
MySQL is well known Database that used to store, maintain and retrieve data in certain format in which we possible need them to present it in various platforms. Over time…
Python: List Comprehension in Python
Python is always known for easy syntax which make it easy to write and read codes like we writing or reading a letter in plain English language. It has many…
How To Know Linux CPU core temperature
What if we need to CPU core temperature on Linux machines. its quit important sometime for remote machine where we should monitor CPU core temperature constantly. In various monitoring system,…
Python – String Interpolation. Python 3’s f-Strings
In python we have f string way to format strings. Its more readable, easy, reliable, fast and stable then previous ways of formatting. During this post we will try to…
How to take WordPress Website Backup
In this post we will see How we can backup one wordpress for this we working on one Linux machine with Apache and MySQL. As wordpress is nothing just a…