A few projects i've been working on for the past few yearsWebNS - internal web based DNS cluster zones manager, allows dns zones creation and editing in a controlled environment with zones error checking(PHP + bash)Manage and scale company's VPS nodes(+500) supporting over 10000 VPSs(xen/openvz, company service)VZmonitor - bandwidth monitoring for company's VPSs/VMs(PHP +Mysql + bash)Build and deploy company's new Enterprise Cloud product. Built on Libvirt/KVM + NFS + iSCSI + 10/20/40G Infiniband + ZFS redundant SANsSANcheck - master and slave redundancy check and failover(ZFS + OpenIndiana/OpenSolaris)ZFSrep - ZFS based SYNC replication/backup and restore of ZFS poolsI am proficient in Linux and Unix based OSs (Red Hat, Centos, Ubuntu, Debian, FreeBSD).For the past few years most of my time was used around virtualization technologies and internal network architecture.Installing and maintaining bare bones servers and VM infrastructure running different Linux/Unix OSs, Mail Servers(Exim,Qmail,Sendmail,Postfix), Web servers(Apache,LiteSpeed,Lighttpd, Nginx), Firewalls, SQL Servers(MySQL/MariaDB,PostgreSQL,CockroachDB).Linux servers virtualization: VMware, XEN, KVM.Linux servers clustering and load balancing, software or hardware(ServerIron/Foundry/F5) based.Networking (TCP/IP, Routers, LAN's, WAN's) including general knowledge of Cisco routers and switches and networking protocols implementation, SAN and NAS, iSCSI, NFS, FC, Infiniband.
Listed skills include Apache, Servers, Linux, Firewalls, and 45 others.