Profile image of Aserdp
Flag of India Bangalore, India
Member since February, 2006
0 Đề xuất


Trực tuyến Ngoại tuyến
Outstanding, highly motivated, and well-accomplished professional, with sophisticated technical skills and passion for resolving complex problems and business challenges through innovation; progressed through analytical and applications work. Proven experience in complex project management solutions and strong work ethic, coupled with flexibility to adapt to all technical environments. Adept at maintaining focus on achieving bottom-line results, while formulating and implementing advanced technology and business solutions to meet a diversity of needs. Possesses strong analytical and problem solving skills. Career history includes various examples of creative solutions using available tools and technologies. Key Skill Sets (in a nutshell) • OS: Expertise in Linux, Unix and Windows o Linux distribution and kernel: Have command over almost all linux distributions and have over 15 years of extensive experience with kernel and kernel internals. o Unix : Have command over OpenSolaris, FreeBSD and OpenBSD o Windows: Expertise in Windows Servers and SBS • I have expertise in high-availability and load-balancing setups on several platforms including dedicated servers, virtualisation server pool, Amazon EC2/Rackspace/Gogrid. • I have deployed such several installations for very high load environments. In this area I have expertise in LVS, HAProxy, Nginx, lighttpd, Squid, MySQL Cluster and master-slave/master-master replication, sharded databases, Postgresql cluster, DRBD, mail setup failover, DNS clustering and HA, tomcat cluster, glassfish cluster, jboss cluster , mongrel cluster and many other solutions. • I have deployed several automation setups based on Puppet, capistrano, controltier, Perforce, cfengine/pcfengine, quattor, isconf, smartfrog, • Automated roll out of servers usings PXE server/TFTP, system imager/system configurator, cobbler, fastdeploy • Virtualisation expert with expertise in KVM, OpenVZ, Xen, VirtualBox, VirtualIron, vmware (server, ESX/ESXi, Workstation, Vmware infrastruture (VI3)), linux vserver • Cloud Computing Environments like Amazon EC2, S3, Cloudfront, Mediatemple, Gogrid, rightscale, scalr, elastra, mosso, flexiscale • Cloud Computing Applications like Vmware VSphere, 3tera, Eucalyptus, Enonamlism, OpenNebula, OpenQRM • Distributed file systems like NFS, GFS, CodaFS, luster, glusterfs, cloudstore, hadoop, OCFS, etc • I have expertise in server optimisation, server security and high load performance tuning for LAMP and related applications. • Have extensive experience in many control panels namely Plesk, Cpanel/WHMCS, ISPConfig, SysCP, DirectAdmin, Webmin/virtualmin, and others • I have hold on server security, IDS based systems and server hardening, iptables, pfsense. • I have expertise in many protocols incluing CARP/VRRP, etc • I have deployed several mail setup based on different authentications based on Postfix/Sendmail/Exim/Qmail and Courier/Cyrus/V-Popmail • I have deployed many remote monitoring setups based on Nagios, OpenNMS, Zabbix, Monit, Cacti, etc. • I have developed very unique development environments using CVS, Subversion, Trac. • Scripting: Bash/Shell, Python and Perl. • Backup system: rsync based scripts, custom based script, vacula, zamanda and many others. • Have thorough knowledge with sphinx, lucene, xapian, memcache/memcachedb, messaging queues, mongrel, varnish, ganglia. • Have limited experience with hypertable, mapreduce, bigtable, couchdb, scalaris
$20 USD/giờ
30 đánh giá
  • 53%Các công việc hoàn thành
  • 100%Đúng ngân sách
  • 100%Đúng giờ
  • 12%Tỉ lệ thuê lại


Các đánh giá gần đây

Chứng Nhận

  • Unix Level 1

Các Chứng Nhận

  • Đã kết nối với Facebook
  • Freelancer Ưa Thích
  • Đã Xác Thực Thanh Toán
  • Đã Xác Thực Điện Thoại
  • Đã Xác Thực Danh Tính
  • Đã Xác Thực Email

Các kỹ năng hàng đầu của tôi

Xem các Freelancer tương tự