[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z] rabbits r(ead) access RAID 2nd levels performance characteristics of RAID 0 RAID 0+1 RAID 1 RAID 10 RAID 3 RAID 5 2nd RAID1+0 raidstart command (Linux) raidstop command (Linux) Rand, Dave random passwords Raymond, Eric RBAC (role-based access control) rc*.d boot script directories RCS (revision control system) reachability information, routing real group (AIX) Realtime Blackhole List reboot command rebooting the system recognizing normal records, directory service recursive queries, DNS Red Hat Linux anacron package /etc/profile.d directory routing system administration tools user manager tool .wmstyle file redhat-config commands (Red Hat Linux) redhat-config-users command (Red Hat Linux) redirect sendmail feature reference clocks, NTP refresh period, DNS Reiser filesystem (Linux) Reiser, Hans reject command RELAY macros relay servers, DHCP RELAY_DOMAIN macro RELAY_DOMAIN_FILE macro relay_entire_domain sendmail feature relaying, mail remote access 2nd remote printing 2nd 3rd Samba with Windows 2000 remote system administration AIX HP-UX Solaris removing user accounts 2nd renice command repeaters repquota command rescue disk (Linux) reservations, DHCP resize_reiserfs command (Linux) resize2fs command (Linux) resolver 2nd configuration files resource limits 2nd 3rd 4th PAM soft vs. hard resource management control mechanisms CPU disk disk space memory resource records, DNS responsibilities restore command 2nd 3rd 4th interactive mode remote restores restores 2nd remote restricted shells 2nd restvg command (AIX) retensioning tapes retiring user accounts retrieval agents, mail retrieving, mail retry interval, DNS reverse lookup zones reverse zone files reversibility revision control systems RG-11 coax RG-58 coax RGID (real group ID) .rhosts files RIP (Routing Information Protocol) RJ-45 connector rlogin command (PAM configuration file) rmdev command (AIX) rmgroup command (AIX) rmmod command (Linux) rmps command (AIX) rmque command (AIX) rmquedev command (AIX) rmt daemon rmuser command AIX FreeBSD rndc command role-based access control (RBAC) AIX 2nd 3rd Solaris 2nd 3rd 4th roles AIX Solaris 2nd roles command (Solaris) root 2nd history, command login location restrictions password 2nd role-based access control and running one command as security and selective access to setuid to subdividing privileges of root directory (/) root domain root hints file, DNS root volume group (rootvg) rotating log files 2nd route command variations 2nd routed daemon 2nd enabling routers area border routine, adherence to routing algorithms configuration files 2nd configuring dynamic 2nd interior vs. exterior protocols minimal reachability information static 2nd tables 2nd types Routing Information Protocol (RIP) RPC daemons rpc.lockd daemon rpc.mountd daemon rpc.nfsd daemon rpc.statd daemon rpm command (Linux) rrdtool command RRDtool package Cricket and databases graphs round-robin archive data RRGrapher package RS-232 cables RS-232 standard 2nd 3rd 4th RUID (real user ID) run levels changing 2nd default |