Course
Digicomp Code LINSEC
Linux Security for Administrators («LINSEC»)
Learn how to configure basic security settings and secure Linux systems, from user access to networks and services to the kernel. Identify and effectively prevent potential attacks.
Duration
2 days
Price
1'900.–
Course documents
Digital courseware
New
Security essentials to operate Linux systems securely
Course facts
- Knowing how to plan a secure Linux system
- Securing the system physically
- Configuring the accesses
- Updating the systems
- Performing a backup of the system-relevant files
- Restricting access and authorisations to the system
- Using SELinux correctly
- Allocating the mass storage
- Restricting network access using firewall configuration
- Knowing LUKS for data carrier encryption
1 Security
- What or from whom do we need to protect ourselves
2 Physical access to the system
- Physical security of the systems
3 SSH optimisation
- Securing access to the system – with keys and 2FA
4 Updating
- What, when and how to update
5 Backup strategy
- Backing up system-relevant data/files
6 Access and access rights
- How do we authenticate access and restrict access
7 SELinux
- Checking the system calls of processes to see if they are authorised
8 Hard disc partitioning
- Partitioning mass storage (HD, SSD, NVME) from a security perspective
9 Kernel hardening
- Secure and harden Linux kernel module using various techniques and methods
10 Firewall configuration
- Regulating network access using iptables, firewalld, ufw etc.
11 Data carrier encryption
- LUKS and other methods
Short blocks of theory with direct practical application
This course is aimed at Linux administrators or experienced users who want to focus specifically on system security and integrity.
Very good knowledge of the command line (shell) and commands, as taught in the LINUX and LINUX2 courses, is required. Knowledge of system administration analogue to the LINSY1 course is also required.