Computer systems administration

Computer systems administration

The administration of computer systems includes the installation tasks, maintenance, improvement, management of users and file security (data, applications, system components). To accomplish them, the person in charge, often called "administrator", must have rights that other users do not have linux system administration.

This page is linked to the Portal: Ubuntu for business.

User testimonials using these solutions in business

Ubuntu workstation administration

System menu → Preference →

System menu → Administration →

Control center

Gconf-editor : set gnome options

Process management:

The system monitor

Command: top

Global Administration Tool

Graphical administration interface:

Gadmin

gadmin-samba : Administration samba (network sharing)

gadmin-openvpn-server : Administration of openvpn ( vpn )

gadmin-proftpd : Administering proftpd ( ftp )

gadmin-dhcpd : Administration of dhcpd (Network addressing)

gadmin-bind : Administration of bind9 ( dns )

gadmin-quid : Administration Squid (proxy cache)

gadmin-rsync : Administering rsync ( synchronization )

Mysql : mysql-admin

Galternatives : graphical interface toupdate-alternatives

Web administration tool (see host ):

Zentyal http://www.zentyal.org - Similar to Webmin but known to perform well on Ubuntu

Gnupanel

webmin - May cause conflicts with Debian / Ubuntu configuration files

usermin

Contro Technology Domain

ISPConfig

Virtualmin

Artica - Be careful, if you install it you won't be able to do much else with your PC, uninstalling it is between super difficult and impossible.

Cockpit

System Administration

In IT, the title of systems administrator designates the person responsible for the servers of an organization (company, association, administration).

He works within an IT department (Information Systems Department) or an IT services company (IT Engineering Services Company). He works with the CIO (Director of Information Systems), DBAs (Database Administrator), network administrators, webmasters and related parties, developers, office automation managers (workstations) and finally users.

List of software backup solutions

List of Integrated Management Software (ERP) solutions.

See tutorials:

System Administration: How to create a local repository mirror?

Network Administration

A network administrator is a computer scientist responsible for managing the machines and services in a computer network of an organization, such as a business. The machines overseen by a network administrator are typically hubs, switches, routers, modems, and wireless access points, and services typically include firewalls, proxy servers, and virtual private networks ( VPNs). ). Often, network administrators are asked to manage user workstations.

He is often assisted by a network architect, an engineer who designs the plan of a network and plans its deployment. (See also DMZ, DNS , LAN , NAT , SAN, WAN).

Network administration is an IT discipline that can eventually extend to telephony.

See the Network page .

OpenVpn

SSH

The update manager

Accounts and user groups

And also see the tutorials:

Creation of a business network for a small business or an SME

How to configure your local network?

How to set up a local repository?

Synchronization server with rsync

Setting up a Squid proxy with Active Directory authentication

Using a Network Scanner

How to install a secure mail relay?

How to integrate an Ubuntu machine in an NT Samba domain?

How to create an SSL certificate?

Mirroring on two servers

What to do if you suspect a compromised server?

Firewall

See the Firewall page .

Snort

Monitoring tools

Nagios

Telephony

See the telephony page

Asterisk : internal network - external

Wammu and Gammu : cell phone

Security administration

A security administrator is an IT specialist responsible for managing the security equipment of an organization's information system.

Security and viruses in Linux

rootkit

Software for testing network, web server and application security.

See the tutorials:

Using a Network Scanner

Database administration

The database administrator designates a person responsible for the proper functioning of a database at the level of design, testing, coordination, and the charge of protection and control of use. This occupation is related to the Data Warehouse Analyst, Database Designer, Database Manager and DataBase Administrator (DBA).