1

LSH - Looking at the threat landscape

2

LSH - Why do security breaches happen?

3

LSH - Keeping up with security news

4

LSH - Differences between physical, virtual, and cloud setups

5

LSH - Introducing VirtualBox and Cygwin

6

LSH - Keeping the Linux systems updated

1

LSH - Looking at the threat landscape

2

LSH - Why do security breaches happen?

3

LSH - Keeping up with security news

4

LSH - Differences between physical, virtual, and cloud setups

5

LSH - Introducing VirtualBox and Cygwin

6

LSH - Keeping the Linux systems updated

1

LSH - The dangers of logging in as the root user

2

LSH - The dangers of logging in as the root user

3

LSH - The advantages of using sudo

4

LSH - The advantages of using sudo

5

LSH - Setting up sudo privileges for full administrative users

6

LSH - Setting up sudo privileges for full administrative users

7

LSH - Setting up sudo for users with only certain delegated privileges

8

LSH - Setting up sudo for users with only certain delegated privileges

9

LSH - Advanced tips and tricks for using sudo

10

LSH - Advanced tips and tricks for using sudo

11

LSH - Locking down users' home directories the Red Hat or CentOS way

12

LSH - Locking down users' home directories the Debian/Ubuntu way

13

LSH - Locking down users' home directories the Debian/Ubuntu way

14

LSH - Enforcing strong password criteria

15

LSH - Setting and enforcing password and account expiration

16

LSH - Configuring default expiry data for useradd for Red Hat or CentOS only

17

LSH - Setting expiry data on a per-account basis with useradd and usermod

18

LSH - Setting expiry data on a per-account basis with chage

19

LSH - Preventing brute-force password attacks

20

LSH - Preventing brute-force password attacks

21

LSH - Locking user accounts

22

LSH - Locking user accounts

23

LSH - Locking the root user account

24

LSH - Locking the root user account

25

LSH - Setting up security banners

26

LSH - Detecting compromised passwords

27

LSH - Understanding centralized user management

28

LSH - Understanding centralized user management

1

LSH - An overview of firewalld

2

LSH - An overview of firewalld

3

LSH - An overview of iptables

4

LSH - An overview of iptables

5

LSH - Uncomplicated firewall for Ubuntu systems

6

LSH - Uncomplicated firewall for Ubuntu systems

7

LSH - nftables – a more universal type of firewall system

8

LSH - nftables – a more universal type of firewall system

9

LSH - Firewalld for Red Hat systems

10

LSH - Firewalld for Red Hat systems

1

LSH - GNU Privacy Guard (GPG)

2

LSH - GNU Privacy Guard (GPG)

3

LSH - Encrypting partitions with Linux Unified Key Setup (LUKS)

4

LSH - Encrypting directories with eCryptfs

5

LSH - Using VeraCrypt for cross-platform sharing of encrypted containers

6

LSH - OpenSSL and the public key infrastructure

1

LSH - Ensuring that SSH protocol 1 is disabled

2

LSH - Ensuring that SSH protocol 1 is disabled

3

LSH - Creating and managing keys for passwordless logins

4

LSH - Creating and managing keys for passwordless logins

5

LSH - Disabling root user login

6

LSH - Disabling username/password logins

7

LSH - Configuring Secure Shell with strong encryption algorithms

8

LSH - Setting system-wide encryption policies on RHEL 8/CentOS 8

9

LSH - Configuring more detailed logging

10

LSH - Configuring access control with whitelists and TCP Wrappers

11

LSH - Configuring access control with whitelists and TCP Wrappers

12

LSH - Configuring automatic logouts and security banners

13

LSH - Configuring automatic logouts and security banners

14

LSH - Configuring other miscellaneous security settings

15

LSH - Configuring other miscellaneous security settings

16

LSH - Setting up a chroot environment for SFTP users

17

LSH - Setting up a chroot environment for SFTP users

18

LSH - Sharing a directory with SSHFS

19

LSH - Sharing a directory with SSHFS

20

LSH - Remotely connecting from Windows desktops

21

LSH - Remotely connecting from Windows desktops

1

LSH - Using chown to change ownership of files and directories

2

LSH - Using chown to change ownership of files and directories

3

LSH - Using chmod to set permissions on files and directories

4

LSH - Using chmod to set permissions on files and directories

5

LSH - Using SUID and SGID on regular files

6

LSH - Using SUID and SGID on regular files

7

LSH - The security implications of the SUID and SGID permissions

8

LSH - The security implications of the SUID and SGID permissions

9

LSH - Using extended file attributes to protect sensitive files

10

LSH - Using extended file attributes to protect sensitive files

11

LSH - Securing system configuration files

1

LSH - Creating an ACL for either a user or a group

2

LSH - Creating an inherited ACL for a directory

3

LSH - Removing a specific permission by using an ACL mask

4

LSH - Using the tar --acls option to prevent the loss of ACLs during a backup

5

LSH - Creating a user group and adding members to it

6

LSH - Creating a user group and adding members to it

7

LSH - Creating a shared directory

8

LSH - Creating a shared directory

9

LSH - Setting the SGID bit and the sticky bit on the shared directory

10

LSH - Setting the SGID bit and the sticky bit on the shared directory

11

LSH - Using ACLs to access files in the shared directory

1

LSH - How SELinux can benefit a systems administrator

2

LSH - Setting security contexts for files and directories

3

LSH - Troubleshooting with setroubleshoot

4

LSH - Troubleshooting with setroubleshoot

5

LSH - Working with SELinux policies

6

LSH - Working with SELinux policies

7

LSH - How AppArmor can benefit a systems administrator

8

LSH - How AppArmor can benefit a systems administrator

9

LSH - Looking at AppArmor profiles

10

LSH - Looking at AppArmor profiles

11

LSH - Working with AppArmor command-line utilities

12

LSH - Working with AppArmor command-line utilities

13

LSH - Troubleshooting AppArmor problems

14

LSH - Exploiting a system with an evil Docker container

1

LSH - Understanding the /proc filesystem

2

LSH - Setting kernel parameters with sysctl

3

LSH - Configuring the sysctl.conf file

4

LSH - Understanding process isolation

1

LSH - Understanding the /proc filesystem

2

LSH - Setting kernel parameters with sysctl

3

LSH - Configuring the sysctl.conf file

4

LSH - Understanding process isolation

1

LSH - Auditing system services

2

LSH - Auditing system services

3

LSH - Password protecting the GRUB 2 bootloader

4

LSH - Password protecting the GRUB 2 bootloader

5

LSH - Securely configuring BIOS/UEFI

6

LSH - Using a security checklist for system setup

1

LSH - Installing and updating ClamAV and maldet

2

LSH - Installing and updating ClamAV and maldet

3

LSH - Scanning with ClamAV and maldet

4

LSH - Scanning for rootkits with Rootkit Hunter

5

LSH - Scanning for rootkits with Rootkit Hunter

6

LSH - Performing a quick malware analysis with strings and VirusTotal

7

LSH - Understanding the auditd daemon

8

LSH - Using ausearch and aureport

9

LSH - Using ausearch and aureport

10

LSH - Applying OpenSCAP policies with oscap

11

LSH - Applying OpenSCAP policies with oscap

1

LSH - Understanding the Linux system log files

2

LSH - Understanding the Linux system log files

3

LSH - Understanding rsyslog

4

LSH - Understanding rsyslog

5

LSH - Understanding journald

6

LSH - Making things easier with Logwatch

7

LSH - Setting up a remote log server

1

LSH - Introduction to Snort and Security Onion

2

LSH - Introduction to Snort and Security Onion

3

LSH - IPFire and its built-in Intrusion Prevention System (IPS)

4

LSH - Scanning and hardening with Lynis

5

LSH - Finding vulnerabilities with OpenVAS

6

LSH - Web server scanning with Nikto