This five day course covers essential administration skills including local storage management; network and network services configuration; remote access using SSH, VNC, FTP; web services configuration; firewall and SELinux management; KVM VM deployment and management; installing the OS using Kickstart
It is intended for those who have previous Linux or UNIX experience and are comfortable using the command line and editing text files.
The course is fairly intensive, but provides ample time for putting skills into practise. This course helps with the preparation for several certifications, but is aimed mainly at RedHat Certified System Administrator (RHCSA). The course is suitable for any RedHat or rebuild distribution such as CentOS, Oracle Enterprise Linux (OEL) and Scientific Linux.
Course Features
- Lecture 0
- Quiz 0
- Duration 5 Days
- Skill level All levels
- Language English
- Students 0
- Assessments Yes
Network configuration
- Examine and configure network interface settings
- Manage routes. Manage on-demand services
- Use manual and NetworkManager (GUI) configuration techniques
- Troubleshoot network problems
- Monitor network activity
User and Group management
- Create and manage user accounts and groups
- Configure an LDAP client to access remotely stored accounts
Process and file management from the command line
- Invoke, monitor and kill processes using the command line
- Work with files and directories
Controlling access to files using permissions settings…
- Understand how Linux file/directory permissions work. Use chmod to modify permissions.
System resource and Log management
- Schedule regular tasks.
- Examine and manage system logs
Software package management
- Examine installed software, query software, install/remove software using rpm and yum
- How yum repositories work
- Create a custom repository
- Use RedHat network
Access remote systems
- Access remote systems using SSH, VNC (graphical access), and FTP
Deploy and secure file-sharing services
- Configure essential network services, including iptables firewall configuration
- Mounting NFS and CIFS (SMB) shares.
Managing SELinux
- Display and manage SELInux facilities such as booleans and file system contexts
- Debug errors caused by SELinux
Managing basic disk partitions and EXT file systems
- Add new disks, create and tune file systems, mount file systems, and manage swap space
- Creating and managing encrypted file systems
Access control lists
- Implement access control lists (ACLs)
- Use setfacl and getfacl
- ACL aware utilities
Logical volume management
- Logical volume concepts, Create and manage linear and mirrored logical volumes
- Extending volumes
- Creating snapshots
The boot process and system services
- The init (upstart) process and runlevels
- Modifying systemd unit files.
- Creating new systemd services.
- The GRUB bootloader configuration and security
- Shutting down the system correctly
Tune and maintain the kernel
- Use kernel parameters
- Display and manage kernel modules
Virtual machine creation and management.
- Create and manage Kernel Virtual Machines (KVM)
Automate OS installations with Kickstart
- Use kickstart to automate the Linux install process, including PXE installs
Obtain help in a graphical environment
- Access documentation and RedHat services
- Examine documentation and services for other distributions
