Publication date : 03/25/2025
Course : Linux, network services
Practical course - 4d
- 28h00 - Ref. LIR
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 | Build and configure a TCP/IP network |
| Managing LDAP accounts |
| Understanding how Samba works |
| Setting up Postfix |
| Manage external access and security |
Intended audience
Administrators, system engineers.
Prerequisites
Good knowledge of Linux/Unix administration. Experience desirable.
Practical details
Hands-on work
The many progressive exercises and case studies will be carried out on a network of Linux servers and Windows workstations.
Course schedule
1 Basic TCP/IP configuration
- IP protocol (v4/v6).
- Analysis of operation and traffic.
- Notions of root-server, TLD, zone, registration.
- DHCP configuration, interaction with Bind.
- Address reservation (@mac).
Hands-on work
Building an IP network. Installation and configuration of DNS servers and clients. Setting up a DHCP server. Testing from clients.
2 Basic administration and analysis
- Webmin: integrated remote administration tool.
- SSH and Telnet, two remote administration services.
- Super-servers: inetd and xinetd daemons.
- Securing services with tcp-wrappers.
Hands-on work
Installation of a server program managed by xinetd. Webmin demonstration and sshd setup. Time synchronization.
3 Centralize accounts with LDAP
- The directory principle.
- The differences with conventional management.
- Identification strategy under Linux (pam, nss...).
- LDAP authentication server.
- The Squid (proxy) example.
4 Samba
- Samba architecture. File sharing.
- Role of various demons (smbd, nmbd).
- Samba logs. SWAT administration tool.
- Linux and Windows mounting (mount).
- Installation and configuration of cups server.
5 Messaging
- SMTP, POP3, IMAP4 protocols.
- Postfix SMTP server: installation, configuration.
- Access to the directory from mail clients.
Hands-on work
Install and configure Postfix. Set up POP3 and IMAP4 servers.
6 External access
- Implementation of IP routing (route).
- IP Forwarding. NAT.
- Configuration, ACL management, sizing.
- Different FTP servers: wu-ftpd vs ProFTPD.
- The rsync service. Replication, backup.
Hands-on work
Setting up different types of routing, tests, proftpd server and proxy.
7 Safety
- @IP/service filtering.
- NetFilter: IP packet filtering: iptables.
- Standard rules with iptables.
Hands-on work
Set up TCPD, prohibit access to certain services. Set up filtering firewall rules (iptables).
PARTICIPANTS
Administrators, system engineers.
PREREQUISITES
Good knowledge of Linux/Unix administration. Experience desirable.
TRAINER QUALIFICATIONS
The experts leading the training are specialists in the covered subjects. They have been approved by our instructional teams for both their professional knowledge and their teaching ability, for each course they teach. They have at least five to ten years of experience in their field and hold (or have held) decision-making positions in companies.
ASSESSMENT TERMS
The trainer evaluates each participant’s academic progress throughout the training using multiple choice, scenarios, hands-on work and more.
Participants also complete a placement test before and after the course to measure the skills they’ve developed.
TERMS AND DEADLINES
Registration must be completed 24 hours before the start of the training.
ACCESSIBILITY FOR PEOPLE WITH DISABILITIES
Do you need special accessibility accommodations? Contact Mrs. Fosse, Disability Manager, at psh-accueil@orsys.fr to review your request and its feasibility.
Administrators, system engineers.
PREREQUISITES
Good knowledge of Linux/Unix administration. Experience desirable.
TRAINER QUALIFICATIONS
The experts leading the training are specialists in the covered subjects. They have been approved by our instructional teams for both their professional knowledge and their teaching ability, for each course they teach. They have at least five to ten years of experience in their field and hold (or have held) decision-making positions in companies.
ASSESSMENT TERMS
The trainer evaluates each participant’s academic progress throughout the training using multiple choice, scenarios, hands-on work and more.
Participants also complete a placement test before and after the course to measure the skills they’ve developed.
TEACHING AIDS AND TECHNICAL RESOURCES
• The main teaching aids and instructional methods used in the training are audiovisual aids, documentation and course material, hands-on application exercises and corrected exercises for practical training courses, case studies and coverage of real cases for training seminars.
• At the end of each course or seminar, ORSYS provides participants with a course evaluation questionnaire that is analysed by our instructional teams.
• A check-in sheet for each half-day of attendance is provided at the end of the training, along with a course completion certificate if the trainee attended the entire session.
• The main teaching aids and instructional methods used in the training are audiovisual aids, documentation and course material, hands-on application exercises and corrected exercises for practical training courses, case studies and coverage of real cases for training seminars.
• At the end of each course or seminar, ORSYS provides participants with a course evaluation questionnaire that is analysed by our instructional teams.
• A check-in sheet for each half-day of attendance is provided at the end of the training, along with a course completion certificate if the trainee attended the entire session.
TERMS AND DEADLINES
Registration must be completed 24 hours before the start of the training.
ACCESSIBILITY FOR PEOPLE WITH DISABILITIES
Do you need special accessibility accommodations? Contact Mrs. Fosse, Disability Manager, at psh-accueil@orsys.fr to review your request and its feasibility.
Dates and locations
Select your location or opt for the remote class then choose your date.
Remote class
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Date garantie en présentiel ou à distance
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