How To Linux Ubuntu - Level 3

System installation and multi- windowing
Installing the system
Selecting the installation media : CD- ROM , NFS , FTP, HTTP .
The type of installation.
The selection of packages (rpm and apt) .
Traditional conflict resolution installation
Updated online (apt -get , rpm -get , yum, ... ) .
Software Distribution
Search bug fixes and updates.
Compilation and installation source or binary packages.
Using Advanced Package Tool.
X -Window
Choice of window manager KDE , GNOME , XFCE .
Configuring X- linked devices (mouse , graphics card, monitor, XF86Config , xorg.conf , ... )
Setting a session X.
Deport the display of an application ( DISPLAY)
Security X network ( xhost , )
Managing disks and other devices
Linux disks
Discs SAT / SAS and SCSI disks.
Storage media (USB drives, sticks)
Primary partitions and extended a disk partition.
Adding a disk fdisk .
RAID and LVM : security and scalability
Management of primary and secondary swap.
Filesystems
The types of file systems: ext4 , reiserfs , xfs , msdos / vfat
Why choose one or the other?
Mounting file systems ( role of kernel options , fstab )
Construction of file systems, integrity check
Management and disk space quotas.
Device management
The device management modules .
Special files Linux mknod and MAKEDEV tool.
Management modules, insmod , modprobe , lsmod , rmmod .

Core , Performance and Tuning
the core
Who needs to recompile the kernel?
Patch the kernel.
Performance Management
Resources to monitor.
Monitor the system with the right commands (top , free, vmstat , ... ) .
Measure network performance and routing ( presentation MRTD)
traces
The audit system , which method for what purpose?
Acquisition, centralization , and log rotation .
The contribution of logwatch
Basic Administration
Graphical or console?
Limits and input tool like Webmin
The power of scripts: understanding , automation, speed, availability, but ...
User Management
Commands for managing users and groups.
Configuration files for user accounts, templates / etc / skel / *.
the backup
Limitations and advantages of conventional commands: tar, cpio and dd.
Compression ( gzip , bzip , pax , zip )
Controls network backup : rsync , partimage , and ... ssh .
Some tools ( amanda arkeia ....)
Incremental backups
The stopping and starting
System boot : boot lilo / grub , the kernel and its arguments.
Restart after a crash (rescue )
The activation process : the init process , the inittab
Runlevels differences between distributions
Startup scripts , customization
Management services in the starting system
Mechanisms logon . The clean system shutdown.

Integration into the existing network
the network
Configure network interfaces on Linux ( network , ifcfg- eth0, ... )
Principle of client network configuration : DNS, BOOTP , DHCP .
Configuration of " customers" gateways , DNS, ...
Security at the network level
The super-server Xinetd , advantages and principles.
Netfilter : filtering network packets
Philosophy and syntax of iptables

Presentation of network services under the GNU / Linux
Apache HTTP Server
Introduction to Apache Web server concept , virtual servers.
Architecture, modules , instructions , tuning .
Samba file server
Introduction to Samba share resources with the Windows world .
Packages, principles , installation, start
Declaration of users and shares.
Print server
The cups solution.
Cupsd .
Clients ( lpr , samba sharing for Windows clients)