Troubleshooting and System Maintenance
RHCTs should be able to:
- boot systems into different run levels for troubleshooting and system maintenance
- diagnose and correct misconfigured networking
- diagnose and correct host name resolution problems
- configure the X Window System and a desktop environment
- add new partitions, file systems, and swap to existing systems
- use standard command-line tools to analyse problems and configure system
Installation and Configuration
RHCTs must be able to:
- perform network OS installation
- implement a custom partitioning scheme
- configure printing
- configure the scheduling of tasks using cron and at
- attach system to a network directory service, such as NIS or LDAP
- configure autofs
- add and manage users, groups, quotas, and File Access Control Lists
- configure file system permissions for collaboration
- install and update packages using rpm
- properly update the kernel package
- configure the system to update/install packages from remote repositories using yum or pup
- modify the system boot loader
- implement software RAID at install-time and run-time
- use /proc/sys and sysctl to modify and set kernel run-time parameters
- use scripting to automate system maintenance tasks
- configure NTP for time synchronisation with a higher-stratum server
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