Roles of the administrator
Understanding of technological issues and anticipation of needs
Standards and their implementations

Reminders on the principles of mounting units
Physical characteristics and strategic choices
SAT / SAS disks and SCSI disks
USB storage media (disks, sticks)
Primary partitions and the extended partition of a disk
Adding a disk, the fdisk command
Partitioning techniques (LVM and RAID)
The different file systems: ext4, and presentation of reiserfs, xfs and jfs
The mounting of file systems: mount, the automounter and the / etc / fstab file
Construction file systems, integrity check

Practical workshop : Partitioning and manual formatting of a drive

Starting the system: from boot to connection
Starting the system: boot, grub, the kernel and its arguments
Activating processes: the init process, the inittab file
The startup scripts, customization
User
management Commands for managing users and groups User
account configuration files, templates / etc / skel / *
Logon mechanisms
Clean system shutdown
Hardware information
Configuration and management of device drivers
Process
management Service management
Operation and log management
Package manager via apt-get / aptitude / dpkg (configuration, software installation, choice of sources, handling of packages, manual installations)
Debian policies, system update

Practical workshop : Using the different tools

Reminders on network administration
Advanced configuration of the various interfaces
Some associated services: (x) inetd, the SSHd server

Hands-on workshop: Managing network services

The kernel Recompiling the kernel: usage
Apply a patch
Performance management
Resources to monitor: CPU and memory, processes, users and file systems
Disk space and quota management
Debian system monitoring tools
Archives handling (tar, gzip …)
Advanced permissions on files (associated with file systems)
Scheduled tasks (Cron)
Traces System audit, which method for which uses?
Acquisition, centralization, and rotation of logs
Backup by tar, cpio and dd
Network backup tools: rsync, partimage
Incremental backups, tapes, the mt command

Practical workshop : Setting up a backup

Security at the level of the IP protocol
Operation of the Netfilter software
Configuration tools (Iptables and interfaces)

Practical workshop : Configuring a firewall

Theory of network file systems
The UNIX Network File System
protocol The Microsoft SMB protocol
Presentation of solutions under Linux (NFS and Samba)

Practical workshop : Setting up network shares

Standards and implementations
How a web server works
Basic
configuration for Apache Basic configuration for MySQL
PHP integration

Hands-on workshop: Installing and configuring LAMP

Name server theory
Strategic and technical issues
Solutions: Bind and DjbDNS

Practical workshop: Installing a DNS cache

Operating principle: the SMTP protocol
The associated vocabulary
The difficulties to be overcome
The extensions to be provided (mailing lists, security, etc.)
The various SMTP software (Sendmail, Qmail, Postfix, Exim)

Practical workshop : Installing Postfix and configuring in relay mode