RHEL7 Free available resources

Note: This page is regularly updated.

Official Information

• Red Hat website provides the official documentation*,
• Red Hat Enterprise Linux blog gives general information,
• Red Hat Developer blog offers information to developers,
• Red Hat Community blog communicates about general events,
• Red Hat Security blog talks about security,
• Red Hat Storage blog discusses storage topics (Big Data, Ceph, GlusterFS, etc),
• Red Hat Services blog provides information for IT professionals,
• Red Hat Next blog covers the new and cutting-edge technologies that appear on the horizon every day,
• Red Hat customer portal provides a place for discussions on technical topics,
• Red Hat LinkedIn group is a place to meet other Red Hat Certified Professionals,
• CentOS 7 blog offers the last news about CentOS 7,
• Oracle Linux provides an Administrator’s Guide for Release 7,
• Red Hat offers an RHEL 7 Network Performance Tuning Guide and an RHEL 7 Real-Time Installation Guide,
• CIS (Center for Internet Security) provides an RHEL 7 Server Hardening Guide.,
• Red Hat provides a page with the list of all the current official blogs.

*Go to this website if you want to get all the RHEL 7 manuals with one command.

Reference Cards

• Red Hat Systemd cheat sheet, Linoxide Systemd cheat sheet,
• Red Hat ip command cheat sheet,
• Red Hat yum command cheat sheet,
• RHEL 5/6/7 common administrative commands: A4 paper format, A3 paper format, 8.5 letter format, 11×17 format, 24×36 format, 27×36 format,
• Some other cheatsheet are available on the Red Hat website (Docker, Kubernetes, MongoDB, etc),
• Kenny Zhang wrote some flash cards for the RHCE exam.

Forums

• CertCollection forum offers a very active section dedicated to Linux certifications where RHCSA & RHCE exams take a large part,
• Reddit forum offers active RHEL, CentOS & SELinux subsections,
• LinuxQuestions forum has got a section about Linux certifications,
• CentOS forum answers almost all your questions through multiple subsections,
• Techexams forum provides a more limited Linux certification section,
• There are at least two active Discord channels (1 2) for people preparing the RHCSA & RHCE exams.

Mailing Lists

• CentOS: CentOS, CentOS-announce, CentOS-devel, CentOS-virt,
• Firewalld: Firewalld-users, Firewalld-devel,
• LDAP: 389, FreeIPA-users, FreeIPA-devel, FreeIPA-interest,
• Misc: D-Bus,
• Repositories: EPEL,
• Security: Security, SELinux,
• SSSD: Sssd-devel, Sssd-users,
• Systemd: Systemd-commits, Systemd-devel,
• Virtualization: Virtualization.

A big part of Red Hat mailing lists are displayed here.

Websites

• Bob Cromwell’s blog offers an interesting comparison between RHEL 5, 6 and 7 and a very good introduction to Systemd,
• Russel Doty’s blog deals with OpenLMI topics,
• Stephen Gallagher’s blog discusses about FreeIPA and System Security Services Daemon,
• Richard WM Jones’ blog talks about virtualization,
• JensD’s blog provides some instructions to migrate from RHEL 7 to CentOS 7,
• Vikrant Aggarwal’s blog offers some interesting tutorials (bridging, teaming, etc),
• Raj’s blog provides many interesting mini tutorials (postgresql, memcached, ownCloud, nginx, etc),
• Adam Williamson’s blog talks about FreeIPA and SSL/TLS topics on RHEL 7 and Fedora,
• Dan Walsh’s blog discusses Docker and security: Are Docker containers really secure?, Bringing new security features to Docker, Introducing a *Super* Privileged Container Concept, Tuning Docker with the newest security enhancements,
• Server-World website provides a lot of interesting tutorials on CentOS 7,
• Unixmen website offers some interesting tutorials on CentOS 7,
• HowtoForge website provides many interesting tutorials on CentOS 7,
• Dell website offers white papers on RHEL 7 (for example KVM Virtualization in RHEL 7 made easy),
• Digital Ocean website provides a very nice Introduction to SELinux on CentOS 7,
• Dmitri Pal’s series of articles and Jakub Hrozek’s blog discuss FreeIPA, SSSD and Active Directory integration,
• MN Red Hat Users Group offers interesting Red Hat presentations (Satellite 6, Containers, etc),
• Linux & Hacking Guide website provides several interesting RHEL 7 tutorials (Kerberos KDC & NFS, IPSec VPN with Libreswan, Postfix, etc),
• Sven Vermeulen’s blog offers very interesting articles about SELinux,
• Lisenet website looks through the RHCE 7 curriculum,
• Daniele Raffo’s Linux Quick Reference Guide provides information about RHEL 7.

Self-Assessment

• an RHCSA 7 sample exam, an RHCSA 7 quick quiz and an RHCE 7 quick quiz are available,
• Lisenet website provides an RHCE 7 sample exam,
• MogiePete offers an RHCE 7 sample exam,
• Finnbarr P. Murphy’s blog offers a virtual image with exercices for preparing the RHCSA exam,
• Red Hat provides a Definitive Red Hat Enterprise Linux 7 Hands on Lab.

Videos

Here is a non-exhaustive list of videos available on the Internet:

• Overview: QA Ltd’s RHEL 7 review (86min/2014), Red Hat What’s new in RHEL7 (41min/2014),
• ACL: van Vugt’s Working with ACL and Special Permissions (45min/2015),
• Atomic: Joe Brockmeier’s Introduction to Atomic (22min/2015), Red Hat Training’s Customizing a container to deploy a network service (9min/2015),
  Red Hat Wicked fast container-based apps and performance tuning with Atomic Enterprise Platform (51min/2016),
• Automounter: van Vugt’s Setting up automount with and without systemd (49min/2015),
• Btrfs: TheUrbanPenguin’s short demo (4min/2014),
• CentOS: Karanbir Singh’s CentOS: A platform for your success (44min/2015),
• Certification: 2015 Red Hat Summit Training and Certification update (60min/2015),
• CGroups: All your control groups belong to us! (55min/2013), Georgios Magklaras’ cgroup demo (21min/2014), Lennart Poettering’s Systemd.conf 2015 presentation (45min/2015), van Vugt’s Managing performance parameters through Systemd (33min/2017), The Future of CGroup (39 min/2017),
• Cockpit: Stef Walter’s Cockpit: Modern Server User Interface (47min/2015),
• Disk Management: Red Hat’s Storage Manager demo (5min/2014), van Vugt’s Creating GUID Partitions (5min/2014), Nyberg’s MBR vs GPT (7min/2015), Nyberg’s Using fdisk and gdisk (11min/2015), Nyberg’s Creating file systems and making them accessible (19min/2015), Nyberg’s LVM (18min/2015), Red Hat Training’s Resizing a volume group (5min/2015),
• Dynamic Kernel Patching: Red Hat’s demo (3min/2014), Seth Jennings’ Using kpatch in Red Hat Enterprise Linux 7 (13min/2014), Seth Jennings’ kpatch Demonstration (17min/2014),
• Firewalld: SSN’s demo (8min/2014), Thomas Woerner’s Firewalld, present and future (48min/2015), van Vugt’s Configuring Port Forwarding (8min/2015), Nagappan’s Firewalld Concepts and Examples (34min/2015), Nyberg’s Firewalld and Iptables (26min/2016),
• Gnome Classic: Red Hat’s accessibility features demo (1min/2014), Red Hat’s switching tasks demo (2min/2014), Red Hat’s search capabilities demo (1min/2014), Red Hat’s customizing demo (1min/2014), Red Hat’s language selection (1min/2014), Red Hat’s online accounts (3min/2014),
• Grub2: TheUrbanPenguin’s basic demo (7min/2014),
• Identity Management: Red Hat’s general demo (3min/2014), Red Hat’s Adding Trust demo (2min/2014), Red Hat’s Web Application Authentication demo 1 (1min/2014), Red Hat’s Web Application Authentication demo 2 (3min/2014), Red Hat’s Web Application Authentication demo 3 (3min/2014), Red Hat’s HBAC demo (2min/2014), Red Hat’s Access Control demo (3min/2014), Red Hat’s FreeIPA 4.0 One Time Password demo (2min/2014), Dmitri Pal’s Security IdM (36min/2014), 2015 Red Hat Summit’s Integrating the RHCI suite with IdM (58min/2015), Centralized Logging for FreeIPA (4min/2015), van Vugt’s Configuring your own LDAP server using FreeIPA (59min/2016), FreeIPA Project Update (10min/2017),
• Installation: TheUrbanPenguin’s demo (10min), UniversalConflicts first look (26min), Red Hat’s Active Directory Integration demo (3min), Red Hat’s Advanced Storage demo (2min), Red Hat’s Partitioning demo (2min), Red Hat’s Installation Profiles demo (1min), Red Hat’s Hub and Spoke demo (1min), Sander van Vugt’s Installation with custom partitioning (7min),
• iSCSI: TheUrbanPenguin’s video Create iSCSI Targets (10min/2014), CalPOP’s video Creating iSCSI SAN Storange on CentOS 7.0 (10min/2015), Nagappan’s Setting up iSCSI Target & Initiator (19min/2015),
• Kerberos: TheUrbanPenguin’s Configure Kerberos KDC and Client (23min/2015), van Vugt’s Mounting Kerberized NFS (17 min/2016),
• KVM: 2015 Red Hat Summit Karin Noel’s KVM now & in the future (61min/2015),
• LAMP server installation: Marcelo Salvador’s demo (12min/2014),
• Linux Container: Lennart Poettering’s nspawn presentation (54min/2013), Dan Walsh’s general demo (10min/2013), Dan Walsh’s security demo (11min/2013), Dan Walsh’s namespaces demo (9min/2013), Dan Walsh’s Secure Linux Containers Part 1 (30min/2014), Dan Walsh’s Secure Linux Containers Part 2 (13min/2014), Red Hat’s Docker demo (5min/2014), William Henry’s The Containers and Docker Revolution (58min/2014), Lennart Poettering’s Containers with systemd (57min,2015), Lennart Poettering’s systemd & containers (32min/2015), Dan Walsh’s Docker and SELinux (40min/2014), 2015 Red Hat Summit Dan Walsh’s Super Privileged Containers (44min/2015), 2015 Red Hat Summit Chris Negus’s Linux Containers Overview (20min/2015), 2015 Red Hat Summit Dan Walsh’s Do containers actually contain? (55min/2015), Docker versus Systemd – Can’t we just get along? (49min/2016), Container security (61min/2016), DevConf.CZ 2017 Containers in Production (59min/2017), Docker Overview (6min/2017), DevConf 2018 Next-gen container images (48min/2018),
• LVM2 Cache: Zdenek Kabelac’s lvm2 cache, will it blend? (50min/2015),
• MariaDB: TheUrbanPenguin’s video Install the MariaDB (6min/2015), TheUrbanPenguin’s video Create MariaDB Database (6min/2015).
• Networking: Red Hat’s Network Manager GUI demo (3min/2014), Red Hat’s Network Manager CLI demo (3min/2014), Red Hat’s Network Manager TUI demo (3min/2014), Red Hat’s Team Driver demo (3min/2014), Dan Williams’ NetworkManager 1.0 In-Depth: Enterprise, Cloud, Desktop, and Toaster (43min/2015), Nagappan’s Setting up Network Teaming & Bridging (20min/2015), Francesco Giudici’s Becoming friends with NetworkManager(24min/2018),
• OpenLMI: Tomas Smetana’s presentation (45min/2014), Russ Doty’s Intro to OpenLMI (9min/2014), Russ Doty’s OpenLMI Architecture (9min/2014), Russ Doty’s OpenLMI Examples (7min/2014), Russ Doty’s OpenLMI Conclusions (14min/2014), Stephen Gallagher’s demo 1 (3min/2014), Stephen Gallagher’s demo 2 (2min/2014), Tomas Smetana’s Manage your systems with OpenLMI (49min/2015),
• OpenSCAP: Red Hat’s Using Workbench demo (2min/2014), Red Hat’s Installer Extension demo (1min/2014), Red Hat’s Integration with Satellite demo (2min/2014), 2015 Red Hat Summit Matthew Micene’s security compliance automation with Satellite (53min/2015), 2016 Red Hat Summit Compliance, security automation, and remediation (53min/2016),
• OpenStack: Defining the cloud (25min/2017), Defining the Red Hat Enterprise Linux OpenStack Platform (14min/2017), Infrastructure-as-a-Service (IaaS) and a private cloud (8min/2017),
• Performance & Tuning: 2014 Red Hat Summit’s Performance Analysis & Tuning 1 (62min/2014), 2014 Red Hat Summit’s Performance Analysis & Tuning 2 (64min/2014), Red Hat’s Tuned demo (2min/2014), Red Hat’s JVM Tuning with Thermostat (4min/2014), Red Hat’s Tuned Oracle demo (3min/2014), Red Hat’s Performance Co-Pilot demo (6min/2014), Neependra Khare’s Performance Tuning of Docker and RHEL Atomic (42min/2015), 2015 Red Hat Summit’s Database Performance & Tuning (68min/2015), 2015 RedHat Summit’s RHEL Performance Analysis & Tuning (117min/2015), Bainbridge’s Network Performance Tuning (18min/2016), DevConf.cz 2017 RHEL 7 Performance Tuning (53min/2017).
• Red Hat Developer Toolset: Red Hat’s developer toolset V2 demo (5min/2014),
• Red Hat Satellite: Red Hat’s general demo (4min/2014), Red Hat’s Managing your content with Satellite 6 (6min/2016),
• Root Password Recovery: Nyberg’s video (15min/2015),
• Security: Securing Your Virtual Environment (5min/2016),
• SELinux: TheUrbanPenguin’s controlling admin access demo (15min/2014), Sander van Vugt’s SELinux basics (10min/2014), Sander van Vugt’s SELinux contexts and man pages (15min/2014), Sander van Vugt’s SELinux booleans (10min/2014), Lukas Zapletal’s How to write SELinux policy for your project painlessly (47min/2015), 2015 Red Hat Summit’s SELinux for mere mortals (52min/2015), Sander van Vugt’s Fixing SELinux Issues (48min/2015), Red Hat’s Big SELinux Troubleshooting Chart (95min/2016), Red Hat’s Monitoring SELinux Violations (10min/2016), Nyberg’s SELinux (32min/2016), Are you listening to what SELinux is telling you? (63min/2016),
• Systemd: Lennart Poettering’s presentation 1 (51min/2013), Lennart Poettering’s presentation 2 (44min/2013), TheUrbanPenguin’s runlevels demo (9min/2014), Ben Breard’s resource management demo (3min/2014), Ben Breard’s start up and init compatibility demo (2min/2014), Georgios Magklaras’ basic systemd commands demo (21min/2014), van Vugt’s systemd intro (9min/2014), van Vugt’s mounting NFS through systemd (12min/2014), Knowledgepedia’s Systemd presentation (37min/2014), 2015 Red Hat Summit Lennart Poettering’s Demystifying systemd (49min/2015), van Vugt’s Working with systemd (43min/2015), Nyberg’s Systemd targets (6min/2015), van Vugt’s Managing services (5min/2016), Systemd Tutorials (2016),
• Yum: RedHat’s demo (8min/2014), Van Vugt’s Installing and updating software packages (7min/2016), RedHat’s Resolving Dependency Issues (9min/2016), TheUrbanPenguin’s Yum History (2min/2016), RedHat’s How do I manage software in RHEL? (13min/2017),
• RH124 cursus: TheUrbanPenguin‘s videos Understanding the OpenSSH Server (7min/2014), OpenSSH Known Hosts (10min/2014), Using top to Manage and Monitor Processes (6min/2014), Using systemd to Prevent Services From Running (4min/2014), Accessing the Command Line (7min/2014), Using the ls command (5min/2014), Password Policy (9min/2014), Managing the locale (6min/2014), Managing the Time and Date (6min/2014), Finding help (5min/2014), Using gedit (4min/2014), Gaining Administrative Rights (17min/2014), Managing the hostname (6min/2015),
• RH254 cursus: TheUrbanPenguin‘s videos Create iSCSI Targets (10min/2014), Install the MariaDB (6min/2015), Create MariaDB Database (6min/2015),
• Nyberg’s RHCSA Tip of the Week: Recover root access (15min/2015), Systemd targets (6min/2015), SSH key based authentication (6min/2015), To GUI or not to GUI (8min/2015), Disk Management 1 – MBR vs GPT (7min/2015), Disk Management 2 – Using fdisk and gdisk (11min/2015), Disk Management 3 – Creating file systems and making them accessible (19min/2015), Disk Management 4 – LVM (18min/2015), LDAP authentication (20min/2015), Using tar (9min/2015), Links (12min/2015), File Permissions 1 – Standard Permissions (24min/2015), File Permissions 2 – Special Permissions (20min/2015), File Permissions 3 – ACLs (18min/2015), SELinux (32min/2016), Firewalld and Iptables (26min/2016).

Presentations

• 2018 Red Hat Summit (05/2018):
  • Red Hat security roadmap for hybrid cloud (48min),
  • Deploying SELinux successfully in production environments (29min),
  • Best practices for OpenShift high-availability deployment field experience (35min),
  • OpenShift roadmap: You won’t believe what’s next (43min),
  • Network security for apps on OpenShift (53min),
  • Container Linux and Red Hat Enterprise Linux: The road ahead (42min),
  • Demystifying systemd (45min),
  • 5 new high-performance features in Red Hat OpenShift (44min),
  • OpenShift for operations (55min),
  • OpenShift service mesh on multicloud environments (38min),
  • Building production-ready containers (40min),
  • Container-native storage and Red Hat Gluster Storage roadmap (53min),
• 2018 DevConf.CZ (01/2018):
  • Next-gen container images (48min),
  • Block Deduplication and Compression with VDO (53min),
  • Unleashing the Underworld: Kerberos for Developers (37min),
  • libnftables: Status (11min),
  • Becoming friends with NetworkManager(24min),
  • Performance Tuning of Red Hat Linux (54min),
  • Container Image Storage Compression and Dedupe (24min),
  • Moving to Atomic System Containers (47min),
  • Latest Container Technologies (47min),
  • Compliance for containers using SCAP content (24min),
  • Automate your RHEL/Fedora networking with Ansible (21min),
  • Catching Bugs In Containers (21min),
  • How Red Hat builds containers (24min),
  • Understanding The Open Container Standards (21min),
  • What’s new in Kubernetes storage (50min),
  • Enabling SELinux (53min),
  • Anaconda is still Evolving (23min),
  • SELinux Loves Modularity (25min),
  • OpenShift from the good, bad and ugly (23min),
  • Dogfooding Openshift with our CI infrastructure (19min),
  • Ansible 202: Best Practices from the field (54min) (doc),
  • Secure your Kubernetes cluster with CRI-O (43min),
  • Recent Locking Improvements in the Linux Kernel (48min),
  • Catching Up With Atomic: Retrospective & BOF (47min),
  • An introduction to kernel hardening (24min),
  • What’s up in Linux-Kernel land (54min),
  • User Session Recording for the Enterprise (48min),
• 2015 Red Hat annual Summit (06/2015):
  • Performance analysis & tuning of Red Hat Enterprise Linux,
  • Performance tuning Red Hat Enterprise Linux Platform for databases,
  • Red Hat Enterprise Linux roadmap,
  • Integrating the RHCI suite with identity management,
  • Managing containers with Red Hat Enterprise Linux Atomic Host,
  • Red Hat Enterprise Virtualization Hypervisor: KVM now & in the future,
  • Demystifying systemd,
  • Continuous integration & continuous delivery via containers,
  • Cloud architecture & performance workloads: Why, how, & when?,
  • Managing containers with Red Hat Enterprise Linux Atomic Host,
  • Security-Enhanced Linux for Mere Mortals,
  • Red Hat Enterprise Linux Identity Management,
  • Identity Management: Guide for the Modern Enterprise,
  • Containers versus Virtualization.