Red Hat ENTERPRISE LINUX 3 - INTRODUCTION TO SYSTEM ADMINISTRATION Administration Manual page 192

180
whole-device access, 93
devlabel, 94
df command, 98
disaster planning, 145
power, backup, 155
generator, 157
motor-generator set, 156
outages, extended, 157
UPS, 156
types of disasters, 145
air conditioning, 158
application failures, 151
building integrity, 153
electrical, 153
electricity, quality of, 154
electricity, security of, 153
environmental failures, 153
hardware failures, 145
heating, 158
human errors, 158
HVAC, 158
improper repairs, 162
improperly-used applications, 159
maintenance-related errors, 162
misconfiguration errors, 160
mistakes during procedures, 160
operating system crashes, 151
operating system failures, 151
operating system hangs, 151
operator errors, 159
procedural errors, 159
service technician errors, 162
software failures, 150
system administrator errors, 160
user errors, 159
ventilation, 158
weather-related, 158
disaster recovery
backup site, 171
network connectivity to, 172
staffing of, 172
backups, availability of, 172
end of, 173
hardware availability, 171
introduction to, 169
plan, creating, testing, implementing, 170
software availability, 171
disk drives, 48
disk quotas
enabling, 106
introduction to, 104
management of, 107
overview of, 104
block usage tracking, 105
file-system specific, 104
grace period, 105
group specific, 105
hard limits, 105
inode usage tracking, 105
soft limits, 105
user specific, 105
disk space
(See storage)
documentation
Red Hat Enterprise Linux-specific information, 9
documentation, necessity of, 2
dot-matrix printers
(See impact printers)
E
engineering, social, 7
execute permission, 125
EXT2 file system, 94
EXT3 file system, 95
F
file names
device, 92
file system
labels, 93
free command, 18, 53
G
GID, 126
gnome-system-monitor command, 20
gpasswd command, 130
group
files controlling, 127
/etc/group, 129
/etc/gshadow, 129
/etc/passwd, 127
/etc/shadow, 128
GID, 126
management of, 113
permissions related to, 125
execute, 125
read, 125
setgid, 125
setuid, 125
sticky bit, 125
write, 125
shared data access using, 123
structure, determining, 124
system GIDs, 126
system UIDs, 126
tools for managing, 130
gpasswd command, 130