We specialize in AWS (EC2, Route 53, Cloudfront, RDS, S3, SES), Rackspace, DigitalOcean, Azure, GCP, Linode, SoftLayer, etc. We expertise server setup, configuration, optimization, round-the-clock managing and/or monitoring, hardening of the security and implementing new approaches for it. Here’re some skills you can expect we provide you with: - OS administrating: all Linux based (Ubuntu/Debian/CentOS/Red Hat, etc.). - SCM: Puppet, Chef, Ansible, Opsworks, et?. - Web servers: Apache, NginX, Tomcat. - Database servers: MySQL, PostgreSQL, NoSQL (MongoDB, Cassandra, HBase). - Monitoring: Nagios, Zabbix, Cacti, Monit, ELK Stack, Graphite + Grafana. - CI: Jenkins. - Virtualization: Openvz, LXC, Docker, XEN and XenServer, KVM. - Scripting: bash, Python. - Mail servers: Postfix, dovecot, exim, sendmail, et?. - High-performance stack: PHP-FPM, Varnish, memcached, CDN, HAProxy. - Panels: cPanel/WHM, plesk. - Networking: - standard network services (DNS, DHCP, Samba, SVN/Git, http proxy, jabber, VPN, backups, monitoring, etc.) - firewalls and routers (iptables, iproute, VLAN, bridging, bonding, BGP, OSPF)