Linux/Devops Engineer having 10+ years of experience.
Freelancer, having 10+ years of experience as a Linux/Windows System Administrator, Devops and Cloud Engineer.
I am well experienced in System Administration, so including but not limited to:
Mail Server: Zimbra, postfix, sendmail, PowerMTA
Web Server: Apache, Tomcat, Nginx
Scripting: shell scripting
Control Panel: Plesk, WHM, Cpanel, Webmin, Virtualmin
Virtualization: KVM, VMware, Citrix Xen Server, VMware Esxi, Proxmox, Advanced KVM command-line
Security Compliance: PCI-DSS, DISA STIGs.
Devops Tools: Docker, Docker-compose, Jenkins, GitHub,Vagrant, Vagrant with
Docker as provider , Ansible, Foreman, Docker Swarm
Network: Router configuration of cisco router, modem. IP subnetting.
Database: Mysql, Postgresql, Oracle, MS-SQL
Accounting: Tally 6.3, Tally ERP 9 on Linux
Operating System: Debian-{8,9,10}, Centos-{3,4,5,6,7}, Ubuntu-{12,14,16,18,20.04,22.04}, Windows server -{2003, 2008, 2012, 2016, 2019,2022}
Private cloud: Eucalyptus (Ubuntu Enterprise cloud)
Cloud: AWS, Gcloud, Azure
create VPC, public-private subnet, route table, Internet gateway, network acl, amazon ec2 instance Migration, updation.
ERP: ERPnext Multitenant, ERPnext in Google Cloud K8s cluster
Log Server: Solarwind Kiwi syslog
Domain Server: Windows AD, Samba4
Server provisioning and PXE installation for Linux and Windows.
Source code Compilation and Cross compilation for various architecture.
Server Administration, Webhosting, Web migration, Web and
DB performance tuning, SSL Certificate Installation, Shell scripting, Deployment of various software and server, Mail server etc.
Postgresql cluster, high availability, Load balancing. Master-master Replication.
GlusterFS Replication and Geo-replication.
Linux Distros: Kiosk live image.
FFMPEG, v4l2loopback,
Proxy: Haproxy
MongoDB Replicaset on multi-node docker container.