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
linux认证考试费用
  * use PAM to implement user-level restrictions

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