Red Hat ENTERPRISE LINUX 3 - INTRODUCTION TO SYSTEM ADMINISTRATION Administration Manual page 193

groupadd command, 130
groupdel command, 130
groupmod command, 130
grpck command, 130
UID, 126
group ID
(See GID)
groupadd command, 130
groupdel command, 130
groupmod command, 130
grpck command, 130
H
hard drives, 48
hardware
failures of, 145
service contracts, 147
availability of parts, 149
budget for, 150
coverage hours, 147
depot service, 148
drop-off service, 148
hardware covered, 150
on-site technician, 149
response time, 148
walk-in service, 148
skills necessary to repair, 145
spares
keeping, 145
stock, quantities, 146
stock, selection of, 146
swapping hardware, 147
home directory
centralized, 124
I
IDE interface
overview of, 64
impact printers, 136
consumables, 137
daisy-wheel, 136
dot-matrix, 136
line, 136
inkjet printers, 137
consumables, 138
intrusion detection systems, 10
iostat command, 22, 38
ISO 9660 file system, 95
L
laser printers, 138
color, 139
consumables, 139
line printers
(See impact printers)
logical volume management
(See LVM)
lpd, 142
LVM
contrasted with RAID, 81
data migration, 80
logical volume resizing, 80
migration, data, 80
overview of, 80
resizing, logical volume, 80
storage grouping, 80
M
managing
printers, 135
memory
monitoring of, 16
resource utilization of, 45
virtual memory, 49
backing store, 50
overview of, 49
page faults, 51
performance of, 52
performance, best case, 53
performance, worst case, 53
swapping, 52
virtual address space, 51
working set, 52
monitoring
resources, 13
system performance, 13
monitoring statistics
bandwidth-related, 16
CPU-related, 15
memory-related, 16
selection of, 14
storage-related, 17
mount points
(See storage, file system, mount point)
mounting file systems
(See storage, file system, mounting)
mpstat command, 22
MSDOS file system, 95
181