Performance tuning and capacity planning for Red Hat Enterprise Linux Red Hat Performance Tuning: Linux in Physical, Virtual, and Cloud (RH422) teaches senior Linux® system administrators the methodology of performance tuning. This course discusses system architecture with an emphasis on understanding its implications on system performance, performance adjustments, open source benchmarking utilities, networking performance, and tuning configurations for specific server use cases and workloads. ...

The Red Hat Enterprise Performance Tuning with exam (RH443) bundle is a combination of the following: Red Hat Performance Tuning: Linux in Physical, Virtual, and Cloud (RH442) Red Hat Certified Specialist in Performance Tuning Exam (EX442) ...

Performance tuning and capacity planning for Red Hat Enterprise Linux Red Hat Performance Tuning: Linux in Physical, Virtual, and Cloud (RH422) teaches senior Linux® system administrators the methodology of performance tuning. This course discusses system architecture with an emphasis on understanding its implications on system performance, performance adjustments, open source benchmarking utilities, networking performance, and tuning configurations for specific server u ...

The Red Hat Enterprise Performance Tuning with exam (RH443) bundle is a combination of the following: Red Hat Enterprise Performance Tuning (RH442) course Red Hat Certified Specialist in Performance Tuning Exam (EX442) ...

Study points for the exam To help you prepare, the exam objectives highlight the task areas you can expect to see covered in the exam. Red Hat reserves the right to add, modify, and remove exam objectives. Such changes will be made public in advance. Candidates should be able to perform the tasks listed below: Use utilities such as vmstat, iostat, mpstat, sar, gnome-system-monitor, top, powertop and others to analyze and report system and application behavior Configure systems to provide performance metrics using utilities such as Performance Co-Pilot (PCP) Use the Pluggable Authentication Modules (PAM) mechanism to implement restrictions on critical system resources Use - proc - sys, sysctl and - sys to examine and modify and set kernel run-time parameters Use utilities such as dmesg, dmidecode, x86info, sosreport etc. to profile system hardware configurations Analyze system and application behavior using tools such as ps, strace, top and Valgrind C * Experienced Linux system administrators responsible for maximizing resource utilization through performance tuning An RHCE interested in earning Red Hat Certified Architect (RHCA) Study points for the exam To help you prepare, the exam objectives highlight the task areas you can expect to see covered in the exam. Red Hat reserves the right to add, modify, and remove exam objectives. Such changes will be made public in advance. Candidates should be able to perform the tasks listed below: Use utilities such as vmstat, iostat, mpstat, sar, gnome-system-monitor, top, powertop and others to analyze and report system and application behavior Configure systems to provide performance metrics using utilities such as Performance Co-Pilot (PCP) Use the Pluggable Authentication Modules (PAM) mechanism to implement restrictions on critical system resources Use - proc - sys, sysctl and - sys to examine and modify and set kernel run-time parameters Use utilities such as dmesg, dmidecode, x86info, sosreport etc. to profile system hardware configurations Analyze system and application behavior using tools such as ps, strace, top and Valgrind Configure systems to run SystemTap scripts Alter process priorities of both new and existing processes Configure systems to support alternate page sizes for applications that use large amounts of memory Given multiple versions of applications that perform the same or similar tasks, choose which version of the application to run on a system based on its observed performance characteristics Configure disk subsystems for optimal performance using mechanisms such as swap partition placement, I - O scheduling algorithm selection, file system layout and others Configure kernel behavior by altering module parameters Calculate network buffer sizes based on known quantities such as bandwidth and round-trip time and set system buffer sizes based on those calculations Select and configure tuned profiles Manage system resource usage using control groups As with all Red Hat performance-based exams, configurations must persist after reboot without intervention. Scores and reporting Official scores for exams come exclusively from Red Hat Certification Central. Red Hat does not authorize examiners or training partners to report results to candidates directly. Scores on the exam are usually reported within 3 U.S. business days. Exam results are reported as section scores. Red Hat does not report performance on individual items, nor will it provide additional information upon request. Prerequisites Red Hat recommends that candidates ea> Red Hat Certified System Administrator (RHCSA) or Red Hat Certified Engineer (RHCE) before attempting this exam but neither is required. Exam candidates should: Be a Red Hat Certified System Administrator (RHCSA) or have comparable work experience and skills (RHCE would be eve ...

Study points for the exam To help you prepare, the exam objectives highlight the task areas you can expect to see covered in the exam. Red Hat reserves the right to add, modify, and remove exam objectives. Such changes will be made public in advance. Candidates should be able to perform the tasks listed below: Use utilities such as vmstat, iostat, mpstat, sar, gnome-system-monitor, top, powertop and others to analyze and report system and application behavior Configure systems to provide performance metrics using utilities such as Performance Co-Pilot (PCP) Use the Pluggable Authentication Modules (PAM) mechanism to implement restrictions on critical system resources Use - proc - sys, sysctl and - sys to examine and modify and set kernel run-time parameters Use utilities such as dmesg, dmidecode, x86info, sosreport etc. to profile system hardware configurations Analyze system and application behavior using tools such as ps, strace, top and Valgrind * Experienced Linux system administrators responsible for maximizing resource utilization through performance tuning An RHCE interested in earning Red Hat Certified Architect (RHCA) Study points for the exam To help you prepare, the exam objectives highlight the task areas you can expect to see covered in the exam. Red Hat reserves the right to add, modify, and remove exam objectives. Such changes will be made public in advance. Candidates should be able to perform the tasks listed below: Use utilities such as vmstat, iostat, mpstat, sar, gnome-system-monitor, top, powertop and others to analyze and report system and application behavior Configure systems to provide performance metrics using utilities such as Performance Co-Pilot (PCP) Use the Pluggable Authentication Modules (PAM) mechanism to implement restrictions on critical system resources Use - proc - sys, sysctl and - sys to examine and modify and set kernel run-time parameters Use utilities such as dmesg, dmidecode, x86info, sosreport etc. to profile system hardware configurations Analyze system and application behavior using tools such as ps, strace, top and Valgrind Configure systems to run SystemTap scripts Alter process priorities of both new and existing processes Configure systems to support alternate page sizes for applications that use large amounts of memory Given multiple versions of applications that perform the same or similar tasks, choose which version of the application to run on a system based on its observed performance characteristics Configure disk subsystems for optimal performance using mechanisms such as swap partition placement, I - O scheduling algorithm selection, file system layout and others Configure kernel behavior by altering module parameters Calculate network buffer sizes based on known quantities such as bandwidth and round-trip time and set system buffer sizes based on those calculations Select and configure tuned profiles Manage system resource usage using control groups As with all Red Hat performance-based exams, configurations must persist after reboot without intervention. Scores and reporting Official scores for exams come exclusively from Red Hat Certification Central. Red Hat does not authorize examiners or training partners to report results to candidates directly. Scores on the exam are usually reported within 3 U.S. business days. Exam results are reported as section scores. Red Hat does not report performance on individual items, nor will it provide additional information upon request. Prerequisites Red Hat recommends that candidates ea> Red Hat Certified System Administrator (RHCSA) or Red Hat Certified Engineer (RHCE) before attempting this exam but neither is required. Exam candidates should: Be a Red Hat Certified System Administrator (RHCSA) or have comparable work experience and s ...

Study points for the exam To help you prepare, the exam objectives highlight the task areas you can expect to see covered in the exam. Red Hat reserves the right to add, modify, and remove exam objectives. Such changes will be made public in advance. Candidates should be able to perform the tasks listed below: Use utilities such as vmstat, iostat, mpstat, sar, gnome-system-monitor, top, powertop and others to analyze and report system and application behavior Configure systems to provide performance metrics using utilities such as Performance Co-Pilot (PCP) Use the Pluggable Authentication Modules (PAM) mechanism to implement restrictions on critical system resources Use - proc - sys, sysctl and - sys to examine and modify and set kernel run-time parameters Use utilities such as dmesg, dmidecode, x86info, sosreport etc. to profile system hardware configurations Analyze system and application behavior using tools such as ps, strace, top and Valgrind * Experienced Linux system administrators responsible for maximizing resource utilization through performance tuning An RHCE interested in earning Red Hat Certified Architect (RHCA) Study points for the exam To help you prepare, the exam objectives highlight the task areas you can expect to see covered in the exam. Red Hat reserves the right to add, modify, and remove exam objectives. Such changes will be made public in advance. Candidates should be able to perform the tasks listed below: Use utilities such as vmstat, iostat, mpstat, sar, gnome-system-monitor, top, powertop and others to analyze and report system and application behavior Configure systems to provide performance metrics using utilities such as Performance Co-Pilot (PCP) Use the Pluggable Authentication Modules (PAM) mechanism to implement restrictions on critical system resources Use - proc - sys, sysctl and - sys to examine and modify and set kernel run-time parameters Use utilities such as dmesg, dmidecode, x86info, sosreport etc. to profile system hardware configurations Analyze system and application behavior using tools such as ps, strace, top and Valgrind Configure systems to run SystemTap scripts Alter process priorities of both new and existing processes Configure systems to support alternate page sizes for applications that use large amounts of memory Given multiple versions of applications that perform the same or similar tasks, choose which version of the application to run on a system based on its observed performance characteristics Configure disk subsystems for optimal performance using mechanisms such as swap partition placement, I - O scheduling algorithm selection, file system layout and others Configure kernel behavior by altering module parameters Calculate network buffer sizes based on known quantities such as bandwidth and round-trip time and set system buffer sizes based on those calculations Select and configure tuned profiles Manage system resource usage using control groups As with all Red Hat performance-based exams, configurations must persist after reboot without intervention. Scores and reporting Official scores for exams come exclusively from Red Hat Certification Central. Red Hat does not authorize examiners or training partners to report results to candidates directly. Scores on the exam are usually reported within 3 U.S. business days. Exam results are reported as section scores. Red Hat does not report performance on individual items, nor will it provide additional information upon request. Prerequisites Red Hat recommends that candidates ea> Red Hat Certified System Administrator (RHCSA) or Red Hat Certified Engineer (RHCE) before attempting this exam but neither is required. Exam candidates should: Be a Red Hat Certified System Administrator (RHCSA) or have comparable work experience and s ...

Study points for the exam To help you prepare, the exam objectives highlight the task areas you can expect to see covered in the exam. Red Hat reserves the right to add, modify, and remove exam objectives. Such changes will be made public in advance. Candidates should be able to perform the tasks listed below: Use utilities such as vmstat, iostat, mpstat, sar, gnome-system-monitor, top, powertop and others to analyze and report system and application behavior Configure systems to provide performance metrics using utilities such as Performance Co-Pilot (PCP) Use the Pluggable Authentication Modules (PAM) mechanism to implement restrictions on critical system resources Use - proc - sys, sysctl and - sys to examine and modify and set kernel run-time parameters Use utilities such as dmesg, dmidecode, x86info, sosreport etc. to profile system hardware configurations Analyze system and application behavior using tools such as ps, strace, top and Valgrind C * Experienced Linux system administrators responsible for maximizing resource utilization through performance tuning An RHCE interested in earning Red Hat Certified Architect (RHCA) Study points for the exam To help you prepare, the exam objectives highlight the task areas you can expect to see covered in the exam. Red Hat reserves the right to add, modify, and remove exam objectives. Such changes will be made public in advance. Candidates should be able to perform the tasks listed below: Use utilities such as vmstat, iostat, mpstat, sar, gnome-system-monitor, top, powertop and others to analyze and report system and application behavior Configure systems to provide performance metrics using utilities such as Performance Co-Pilot (PCP) Use the Pluggable Authentication Modules (PAM) mechanism to implement restrictions on critical system resources Use - proc - sys, sysctl and - sys to examine and modify and set kernel run-time parameters Use utilities such as dmesg, dmidecode, x86info, sosreport etc. to profile system hardware configurations Analyze system and application behavior using tools such as ps, strace, top and Valgrind Configure systems to run SystemTap scripts Alter process priorities of both new and existing processes Configure systems to support alternate page sizes for applications that use large amounts of memory Given multiple versions of applications that perform the same or similar tasks, choose which version of the application to run on a system based on its observed performance characteristics Configure disk subsystems for optimal performance using mechanisms such as swap partition placement, I - O scheduling algorithm selection, file system layout and others Configure kernel behavior by altering module parameters Calculate network buffer sizes based on known quantities such as bandwidth and round-trip time and set system buffer sizes based on those calculations Select and configure tuned profiles Manage system resource usage using control groups As with all Red Hat performance-based exams, configurations must persist after reboot without intervention. Scores and reporting Official scores for exams come exclusively from Red Hat Certification Central. Red Hat does not authorize examiners or training partners to report results to candidates directly. Scores on the exam are usually reported within 3 U.S. business days. Exam results are reported as section scores. Red Hat does not report performance on individual items, nor will it provide additional information upon request. Prerequisites Red Hat recommends that candidates ea> Red Hat Certified System Administrator (RHCSA) or Red Hat Certified Engineer (RHCE) before attempting this exam but neither is required. Exam candidates should: Be a Red Hat Certified System Administrator (RHCSA) or have comparable work experience and skills (RHCE would be eve ...

Study points for the exam To help you prepare, the exam objectives highlight the task areas you can expect to see covered in the exam. Red Hat reserves the right to add, modify, and remove exam objectives. Such changes will be made public in advance. Candidates for the Red Hat Certificate of Expertise in Linux Diagnostics and Troubleshooting should be able to: Understand and employ general methods for troubleshooting Collect system information to aid in troubleshooting Consult documentation resources to aid in troubleshooting Monitor systems for vital characteristics Configure systems to send log messages to a centralized host Diagnose and troubleshoot system start up issues Identify and resolve service failures affecting boot Regain root control of a system Troubleshoot boot issues Identify hardware and hardware problems Manage kernel modules and their parameters [l * The following audiences may be interested in earning the Red Hat Certificate of Expertise in Red Hat Enterprise Linux Diagnostics and Troubleshooting: System administrators who manage Red Hat Enterprise Linux systems System administrators who wish to demonstrate problem solving and analysis skills A Red Hat Certified Engineer (RHCE) interested in earning a Red Hat Certificate of Expertise or RHCA credential Study points for the exam To help you prepare, the exam objectives highlight the task areas you can expect to see covered in the exam. Red Hat reserves the right to add, modify, and remove exam objectives. Such changes will be made public in advance. Candidates for the Red Hat Certificate of Expertise in Linux Diagnostics and Troubleshooting should be able to: Understand and employ general methods for troubleshooting Collect system information to aid in troubleshooting Consult documentation resources to aid in troubleshooting Monitor systems for vital characteristics Configure systems to send log messages to a centralized host Diagnose and troubleshoot system start up issues Identify and resolve service failures affecting boot Regain root control of a system Troubleshoot boot issues Identify hardware and hardware problems Manage kernel modules and their parameters Diagnose and troubleshoot file system issues Recover corrupted file systems Recover mis-configured or broken LVM configurations Recover data from encrypted file systems Identify and fix iSCSI issues Resolve package management issues Resolve package management dependency issues Recover a corrupted RPM database Identify and restore changed files Troubleshoot and fix network connectivity issues Use standard tools to verify network connectivity Identify and fix network connectivity issues Inspect network traffic to aid troubleshooting Diagnose application issues Identify library dependencies for third-party software Identify if an application suffers from memory leaks Use standard tools to debug an application Identify and fix issues related to SELinux Identify and fix authentication issues Identify and fix pluggable authentication module (PAM) issues Identify and fix LDAP and Kerberos identity management issues Gather information to aid third party investigation of issues Create kernel crashdumps Compile and execute SystemTap modules Scores and reporting Official scores for exams come exclusively from Red Hat Certification Central. Red Hat does not authorize examiners or training partners to report results to candidates directly. Scores on ...

Study points for the exam As an RHCE exam candidate, you should be able to handle all responsibilities expected of a Red Hat Certified System Administrator, including these tasks: Be able to perform all tasks expected of a Red Hat Certified System Administrator Understand and use essential tools Operate running systems Configure local storage Create and configure file systems Deploy, configure, and maintain systems Manage users and groups Manage security Understand core components of Ansible Inventories Modules Variables Facts Plays Playbooks Configuration files Install and configure an Ansible control node Install required packages Create a static host inventory file Create a configuration file Configure Ansible managed nodes Create and distribute SSH keys to managed nodes Configure privilege escalatio * Experienced Red Hat Enterprise Linux system administrators seeking validation of their skills or require a certification either by their organization or based on a mandate (DoD 8570 directive) Students who have taken Red Hat System Administration III: Linux Automation (RH294) and are on the path to becoming a Red Hat Certified Engineer (RHCE) Students who are on the path to becoming a Red Hat Certified Architect (RHCA) Systems administrators who want to demonstrate competency in managing multiple systems IT professionals who work in a DevOps environment and want to demonstrate competency in automating part of their workload Red Hat Certified Engineers who are noncurrent or who are about to become noncurrent and wish to recertify as RHCEs Study points for the exam As an RHCE exam candidate, you should be able to handle all responsibilities expected of a Red Hat Certified System Administrator, including these tasks: Be able to perform all tasks expected of a Red Hat Certified System Administrator Understand and use essential tools Operate running systems Configure local storage Create and configure file systems Deploy, configure, and maintain systems Manage users and groups Manage security Understand core components of Ansible Inventories Modules Variables Facts Plays Playbooks Configuration files Install and configure an Ansible control node Install required packages Create a static host inventory file Create a configuration file Configure Ansible managed nodes Create and distribute SSH keys to managed nodes Configure privilege escalation on managed nodes Validate a working configuration using ad hoc Ansible commands Script administration tasks Create simple shell scripts Create simple shell scripts that run ad hoc Ansible commands Create and use static inventories to define groups of hosts Create Ansible plays and playbooks Know how to work with commonly used Ansible modules Use variables to retrieve the results of running a command Use conditionals to control play execution Configure error handling Create playbooks to configure systems to a specified state Use Ansible modules for system administration tasks that work with: Software packages and repositories Services Firewall rules File systems Storage devices File content Archiving Scheduled tasks Security Users and groups Create and use templates to create customized configuration files Work with Ansible variables and facts Create and work with roles Download roles from an Ansible Galaxy and use them Manage parallelism Use Ansible Vault in playbooks to protect sens ...