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Peer to Peer
•Kind of workgroup model, sharing information, data, resource between two or more systems without centralization (or centralized control)
•A system act like a server and other ack like client in that particular instance
Server and Client
•Server provide services , client access the service
•Web Server – web pages –Web service , client (Web browser) access Web pages from Web Server
•Client request for service to Server, Server send response to client
Servers understand Client Request by Protocols
Servers called as a particular server based on the service it providing
How a Server becomes a particular server ,
By installing & configuring built-in feature/roles, application or package
Server – based on Service
•Web Server -HTTP/HTTPS(80/443), Apache httpd, MS IIS, Tomcat, Glassfish
•File Server – FTP(20,21), vsftp, sftp
•DHCP Server -Dynamic Host Configuration Protocol -67,68
•DNS Server -Domain Name System-53
•AD(ADDS)- Domain controller (Authentication Server) – Kerberos -88
•WDS server (Windows deployment server)
•Mail Server –SMTP(25),POP3(110),IMAPv4(143), MS Exchange , Zimbra
• VPN Server
•Storage Server – NAS-NFS, CIFS(SAMBA-SMB), SAN
•Database Server -Oracle DB Server, MS SQL Server, MySQL..
•Virtualization Server –Hypervisors – MS Hyper-V, Vmware vSphere/ESXi, Citrix –XenServer, Proxmox-VE, Redhat – RHEV.
Server – OS
•Microsoft Windows Server NT, 2000, 2003, 2008, 2008R2, 2012, 2012R2, 2016, 2019, 2022
•Linux – RHEL, Centos, Fedora, Debian, …
•Unix – HP-UX, Solaris, AS/400
——–
MS Hyper-V Server,VMware vSphere,XenServer, Proxmox-ve – virtualization server
•————————————————————————–
Server – Based on hardware Intel Xeon Processors
•Tower Server
•Rack(rack mount) server
•Blade server
Datacenter
-Servers – rack server, blade server
-Network – router , switches, FC,
UTP/STP, HBA ,NIC,FIREWALL,
-Storage – DISK – SCSI,SAS,
SATA – TYPE – SAN, NAS,
– ISCSI, RAID,LVM
-Application
-Cooling system
-Power supply
*Datacenter monitoring
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