#Databasework | Explore Tumblr posts and blogs

adult-social-networks · 5 years ago

Text

Linux Diagnostics And Troubleshooting

Linux Diagnostics And Troubleshooting. This course is aimed at senior system administrators who wish to learn more about troubleshooting.

Overview

The Red Hat Enterprise Linux Diagnostics and Troubleshooting course (RH342) provides system administrators with the tools and techniques they need to successfully diagnose, and fix, a variety of potential issues. Students will work through hands-on problems in various subsystems to diagnose and fix common issues.

Audience

The Red Hat Enterprise Linux Diagnostics and Troubleshooting course is aimed at senior system administrators who wish to learn more about troubleshooting.

Prerequisites

Have earned a Red Hat Certified System Administrator (RHCSA) or have similar experienceIt is recommend that students have earned a Red Hat Certified Engineer (RHCE) or have similar experience Skill level: Intermediate Level Students: 398 Languages: EnglishCaptions: No Lectures: 81 Video: 10 hours

Introduction

What is troubleshooting?Troubleshooting a login issueCollecting InformationSystem JournalTroubleshoot a web server issue using the log filesUsing Red Hat ResourcesCollecting Information with SOSREPORTPractice Lab SessionTroubleshoot a FTP Connectivity Issue

Monitoring Systems

System Monitoring with CockpitPerformance Co-Pilot or pcpCentralized log server using rsyslogPractice Lab SessionIntrusion detection software to monitor changesAdvanced Intrusion Detection Environment (AIDE)Practice Lab SessionSystem Auditing with auditd

Identifying Hardware Issues

Identify various harwdare and their problemsHardware Error Reporting using mcelog and rasdaemonMemory Testing using memtest86+ packageManging Kernel ModulesLoading and unloading modulesManaging module optionsTroubleshooting to disable MSI-X interrupt handling in the driver

Troubleshooting Storage Issues

Overview of Linux Storage StackVirtual File SystemFilesystems & Device ManagerDevice Mapper MultipathRecovering from File System CorruptionChecking & Repairing ext3/ext4 fs using e2fsckChecking & Repairing xfs fs using xfs_repairRecovering LVM IssuesPractice Lab Session - using vgcfgrestoreMigrating a Volume Group from one system to anotherRecovering Metadata in LVMPractice Lab SessionConfiguration of Iscsi target & InitiatorPractice Lab Session on iscsi target & initiator - 1Practice Lab Session on iscsi target & initiator - 2 Troubleshooting RPM Issues Resolve package management dependency issuesIdentify & fix dependency issueRecover a corrupted RPM DatabaseWorking with transaction history using Yum commandReverting & repeating transaction using yum commandPractice Lab Session Troubleshooting a Network Issues Check Network ConnectivityScanning Network Ports using nmapCommunicating with a remote service using nc commandMonitoring Network traffic using iptraf-ngTroubleshooting a network issue (One network interface is not working properly)Troubleshooting tips related with device names of ethernet interfaceDisable consistent network device namingOverview NetworkManagerPractice Lab SessionCapturing Packets with tcpdumpPractice Lab Sessions Troubleshooting a Boot Issues Linux Boot processBooting of RHEL 7 with systemdOverview of Grub2Grub2 featuresBooting into Grub MenuProtect Grub by appying a passwordLab on Basic System Recovery (Initramfs file missing/Corrupted)Lab on Basic System Recovery (Grub related issues like grub is missing)Lab on Basic System Recovery (Master Boot Record missing/corrupted)Rescue Modue in RHEL 7Practice Lab SessionReset the root passwd using installation diskReset the root passwd using rd.break Troubleshooting a Security Issues Troubleshooting a SELinux IssueChanging SELinux contexttroubleshooting ftp connectivity issue using booleansSELinux Audit Logs & TroubleshootingOverview of PAM SecurityConcepts of PAMPAM Modules & ConfigurationsPAM Module GroupsControl Flags in PAMPAM Moduleslast lecture What you’ll learn Linux Diagnostics And TroubleshootingTo fix common issues on a Red Hat Enterprise Linux machine, using tools provided by the distribution.What is troubleshooting?Troubleshooting a login issueTroubleshoot a web server issue using the log filesTroubleshoot a FTP Connectivity IssueSystem Monitoring with CockpitCentralized log server using rsyslogAdvanced Intrusion Detection Environment (AIDE)System Auditing with auditdIdentify various harwdare and their problemsHardware Error Reporting using mcelog and rasdaemonManging Kernel ModulesTroubleshooting to disable MSI-X interrupt handling in the driverTroubleshooting Storage IssuesOverview about Filesystems, Device Manager & Device Mapper MultipathRecovering from File System CorruptionMigrating a Volume Group from one system to anotherConfiguration of Iscsi target & InitiatorTroubleshooting RPM IssuesRecover a corrupted RPM DatabaseWorking with transaction history using Yum commandTroubleshooting a Network IssuesScanning Network Ports using nmapnc & iptraf-ng commandsTroubleshooting a network issue (One network interface is not working properly)Troubleshooting a Boot IssuesLab on Basic System RecoveryReset the root passwd using installation disk or rd breakTroubleshooting a Security IssuesTroubleshooting a SELinux IssueSELinux Audit Logs & TroubleshootingOverview of PAM Security & Concepts of PAMVarious practice lab session Are there any course requirements or prerequisites? PC or Laptop with internet ConnectionA RHCSA/RHCE certification, or equivalent knowledge is required to successfully sit this course. Who this course is for: Linux Diagnostics and Troubleshooting course is aimed at senior system administrators who wish to learn more about troubleshooting. Read the full article

0 notes

apprenticeshipsinlondon · 8 years ago

Text

Staffing Executive/Booker Apprenticeship - Immediate Start!

London, UK Apprenticeship Connect My client is one of the UK's largest marketing and brand promotion firms, working with big corporations such as Pepsi, Britvic and Cadbury and they are searching for an enthusiastic, ambitious and confident individual to join as a Staffing Executive/Booker Apprentice in their Camden headquarters. The firm is consistently recognised for its leading services, international status and its high profile partnerships. This would be a fantastic opportunity for someone to kick-start their career in the business environment with one of the UK's principal marketing agencies. An apprenticeship is a form of employment in which an individual (apprentice) works towards a nationally recognised qualification whilst they are employed full time. This is the ideal opportunity for a school/college leaver or an individual seeking an alternative to university. Responsibilities will include: Account Handling Ensure you are in constant communication with the relevant team regarding the status of activity and request meetings where appropriateBe proactive in offering ideas / solutions for implementing staffing on a campaignProof read and double-check all documentation that goes out, whether it is to clients, staff, suppliers or internal communicationWork within budgets ensuring any overspend is signed off Staffing Management Show good knowledge of the Insight databaseWork closely with your Account Managers to ensure the activity schedules are fully staffed and reporting any issues to your Line ManagerEnsure we have all HR documentation in place for everyone that worksBe point of contact for all Event Managers on each projectEnsure you are familiar with staff on the database and updating staff details as appropriate Client Liaison, Management and Development Show competency and a good level of confidence dealing with client queries and reporting them to your line managerWhen in attendance, ensure contact reports are written and distributed within 48 hours of meeting with a client The successful candidate will have the following skills: Excellent communication and interpersonal skillsExcellent organisational skills and attention to detail A proactive attitude with the ability to use initiativeGood common sense and problem solving skillsCreative and passionate about ideasTeam player with a strong desire to do well and progress in the companyHappy to go the "extra mile" at peak and busy times and be willing to work outside of office hours Strong written and verbal communicatorHighly organised and efficient operator - strong admin & implementation skills are a mustPC Skills: ability to create PowerPoint presentations; demonstrate a good knowledge of Microsoft Packages, Paprika, Teletrack, Insight and other IT toolsTime management skills; ensure you have completed timesheets accurately and on time. Benefits include: 20 days annual leave (excluding bank holidays)Expert training providedOpportunity to progress within the company to a senior roleAchieve a nationally recognised qualification This is a genuine opportunity for the candidate to advance through the apprenticeship and progress within the company as it grows, so apply now! from Youth In Jobs https://youthinjobs.co.uk/job/44073/staffing-executive-booker-apprenticeship-immediate-start/

0 notes

adult-social-networks · 5 years ago

Text

Linux Diagnostics And Troubleshooting

Linux Diagnostics And Troubleshooting. This course is aimed at senior system administrators who wish to learn more about troubleshooting.

Overview

Audience

The Red Hat Enterprise Linux Diagnostics and Troubleshooting course is aimed at senior system administrators who wish to learn more about troubleshooting.

Prerequisites

Introduction

Monitoring Systems

Identifying Hardware Issues

Troubleshooting Storage Issues

0 notes

apprenticeshipsinlondon · 8 years ago

Text

Staffing Executive/Booker Apprenticeship - Immediate Start!

London, UK Apprenticeship Connect My client is one of the UK's largest marketing and brand promotion firms, working with big corporations such as Pepsi, Britvic and Cadbury and they are searching for an enthusiastic, ambitious and confident individual to join as a Staffing Executive/Booker Apprentice in their Camden headquarters. The firm is consistently recognised for its leading services, international status and its high profile partnerships. This would be a fantastic opportunity for someone to kick-start their career in the business environment with one of the UK's principal marketing agencies. An apprenticeship is a form of employment in which an individual (apprentice) works towards a nationally recognised qualification whilst they are employed full time. This is the ideal opportunity for a school/college leaver or an individual seeking an alternative to university. Responsibilities will include: Account Handling Ensure you are in constant communication with the relevant team regarding the status of activity and request meetings where appropriateBe proactive in offering ideas / solutions for implementing staffing on a campaignProof read and double-check all documentation that goes out, whether it is to clients, staff, suppliers or internal communicationWork within budgets ensuring any overspend is signed off Staffing Management Show good knowledge of the Insight databaseWork closely with your Account Managers to ensure the activity schedules are fully staffed and reporting any issues to your Line ManagerEnsure we have all HR documentation in place for everyone that worksBe point of contact for all Event Managers on each projectEnsure you are familiar with staff on the database and updating staff details as appropriate Client Liaison, Management and Development Show competency and a good level of confidence dealing with client queries and reporting them to your line managerWhen in attendance, ensure contact reports are written and distributed within 48 hours of meeting with a client The successful candidate will have the following skills: Excellent communication and interpersonal skillsExcellent organisational skills and attention to detail A proactive attitude with the ability to use initiativeGood common sense and problem solving skillsCreative and passionate about ideasTeam player with a strong desire to do well and progress in the companyHappy to go the "extra mile" at peak and busy times and be willing to work outside of office hours Strong written and verbal communicatorHighly organised and efficient operator - strong admin & implementation skills are a mustPC Skills: ability to create PowerPoint presentations; demonstrate a good knowledge of Microsoft Packages, Paprika, Teletrack, Insight and other IT toolsTime management skills; ensure you have completed timesheets accurately and on time. Benefits include: 20 days annual leave (excluding bank holidays)Expert training providedOpportunity to progress within the company to a senior roleAchieve a nationally recognised qualification This is a genuine opportunity for the candidate to advance through the apprenticeship and progress within the company as it grows, so apply now! from Youth In Jobs https://youthinjobs.co.uk/job/33894/staffing-executive-booker-apprenticeship-immediate-start/

0 notes