AWS NACL and Security Group?
Both NACL and Security Group function as virtual firewalls in your VPC; however, there's a key distinction between them. NACL operates at the subnet level, whereas Security Group functions as…
Upgrading docker in Ubuntu and its impact on running containers?
Suppose the current Docker version is 18.09, and the target version for the upgrade is 20.10. There are several methods for upgrading, such as manual upgrading, utilizing convenience scripts, or…
Failed to import the required python library docker-py docker module?
Encountering an error "Failed to import Python library docker-py" while running an Ansible task.My Ansible task example, --- - name: Perform Docker Registry Login become: yes docker_login: username: "{{ dockerhub_user…
What is the difference between IAM role and instance profile?
IAM Roles An IAM role, akin to an IAM user, is an AWS identity with attached IAM policies that dictate the actions the identity is allowed or disallowed to perform…
Wanted to know the differences between “order by” and “group by” clauses in MySQL?
In this, we are going to look into "order by" and "group by"clauses in SQL. Group By The "GROUP BY" clause is utilized to aggregate data based on one or…
Troubleshooting Missing VMFS Datastore After RAID Controller Card Replacement
Are you experiencing a missing VMFS datastore after replacing the RAID Controller Card in your server. Although all the disk's foreign configurations have been successfully imported, the datastore is still…
About NUMA Node Affinity in VMWare?
NUMA, which stands for 'Non-Uniform Memory Access,' in a multi-processor system refers to a set of memory sockets considered local to a particular CPU, allowing faster access. The memory local…
What is the use of Logitech unify receiver/dongle?
A small USB Logitech Unify receiver (or dongle) allows the connection of up to 6 Logitech mice and keyboards. The significant distinction between a Unify receiver and a non-Unify receiver…
Recovery drive and Recovery Partition in Windows?
About Recovery Drive If you encounter OS booting issues on your Windows PC or need to perform a factory reset or start-up repairs, having a recovery drive proves incredibly helpful.…
What is the use of the X server?
In a Linux server OS, such as the Ubuntu server version, we can utilize the 'X server' to execute GUI-based applications. Are you attempting to run a GUI application—such as…