Index[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] halting the system handles, file handshaking hangup signal, protecting background processes from hard disks adding to volume group getting information about with hdparm IDE device files initializing for LVM listing to find physical volumes partitioning 2nd 3rd guidelines for Linux system swap space system considerations removing from volume group SCSI device files hard limit (disk quotas) hard links 2nd 3rd finding hardening operating system for Sendmail bastion host hardware adding Exam 101 BIOS settings communications devices expansion interface cards modems and sound cards review questions and exercises SCSI devices USB devices Exam 201 review questions and exercises IDE CD burners, supporting kernel support LVM (Logical Volume Manager) PCMCIA devices, configuring RAID, configuring runtime kernel configuration software and kernel configuration hdparm command troubleshooting 2nd kernel and /etc/ modules, changes to NIC problems physical connection issues video hardware for XFree86 Hardware Compatibility List (HCL) Harvest project HCL (Hardware Compatibility List hdparm command head command 2nd hierarchy filesystem objects kernel module directories hints for finding root name servers history expansion (commands) history substitution (commands) HISTSIZE shell variable /home directory 2nd 3rd new accounts, configuration setting for new accounts tilde (~) shortcut 2nd HOME environment variable /home partition guidelines for size of horizontal sync frequency (monitors) host addresses host command 2nd 3rd 4th host controller drivers (USB) host controllers host-based access control, X Window System host.conf file 2nd hostname command hostname file hosts authentication based on IDS tools security 2nd announcements about inetd logging and superuser mail shadow passwords virtual hosts file name-to-address mapping NIS servers hosts.allow file 2nd 3rd access checks, services protected by TCP wrappers NFS server security rules, configuring specifying services xinetd and access control hosts.deny file 2nd 3rd access checks, services protected by TCP wrappers denying all services from all machines NFS server security specifying services xinetd and access control hotplug devices PCMCIA USB HOWTOs 2nd htpasswd utility 2nd creating Apache authentication file httpd command-line options testing verifying existence of verifying listening on network port httpd.conf file 2nd Directory container, adding identifying PHP scripts performance-tuning options in global section SSL connections hubs, failure of |