Linux认证考试RHCE考试大纲
1.考生必须必须掌握以下基本技能，因为它们是RHCE考试中必考的`内容
* use standard command line tools (e.g.， ls， cp， mv， rm， tail， cat， etc.) to create， remove， view， and investigate files and directories
* use grep， sed， and awk to process text streams and files
* use a terminal-based text editor， such as vi/vim， to modify text files
* use input/output redirection
* understand basic principles of TCP/IP networking， including IP addresses， netmasks， and gateways
* use su to switch user accounts
* use passwd to set passwords
* use tar， gzip， and bzip2v
* configure an email client on Red Hat Enterprise Linux
* use mozilla and/or links to access HTTP/HTTPS URLs
* use lftp to access FTP URLs
2.排错和系统维护
* boot systems into different run levels for troubleshooting and system maintenance
* diagnose and correct misconfigured networking
* diagnose and correct hostname resolution problems
* configure the X Window System and a desktop environment
* add new partitions， filesystems， and swap to existing systems
* use standard command-line tools to analyze problems and configure system
安装配置
* 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， and quotas
* configure filesystem permissions for collaboration
* install and update RPMs
* properly update the kernel RPM
* modify the system bootloader
* implement software RAID at install-time and run-time
* use /proc/sys and sysctl to modify and set kernel run-time parameters
* use the rescue environment provided by first installation CD
* diagnose and correct boot failures arising from bootloader， module， and filesystem errors
* diagnose and correct problems with network services (see Installation and Configuration below for a list of these services)
* add， remove， and resize logical volumes
安装配置
RHCE还必须掌握以下网络服务的配置和使用：
* HTTP/HTTPS
* SMB
* NFS
* FTP
* Web proxy
* SMTP
* IMAP， IMAPS， and POP3
* SSH
* DNS
对于以上每一种服务，RHCE必须具备如下技能：
* install the packages needed to provide the service
* configure the service to start when the system is booted
* configure the service for basic operation
* Configure host-based and user-based security for the service
RHCE必须同时掌握：
* configure hands-free installation using Kickstart
* implement logical volumes at install-time
* use PAM to implement user-level restrictions
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