U

ucd-snmp package, 310

ucd-snmp-utils package, 310

udpport entry, 135

uname command, 55, 59, 137

uncompress command, 372

Unison project, 70

Unix

account administration methods, 342–343

converting applications from, 192

updateclient command, 108, 187

updates

cluster node software, 189

SystemImager client, 108–109

upgrading kernel, 56–57

uptime utility, 335

URLs, self-referential, 403–404

UseCanonicalName directive, 404

user account administration

without Active Directory, 342–343

for clusters, 189–190

in SSH, 78–79

user applications, interactive, 292–293

user authentication

for cluster accounts, 343–345

in SSH, 76–77

user encryption keys in SSH, 72

copying, 81–82

creating, 79–80

user perceptions of NFS performance, 288–290

useradd command, 78

/usr/lib/heartbeat/hb_standby file, 160

/usr/lib/heartbeat/ResourceManager file, 140

/usr/lib/heartbeat/send_arp file, 122

/usr/lib/mon/logs file, 309

/usr/sbin/checkpc file, 347

/usr/sbin/getimage file, 99

/usr/sbin/httpd file, 405

/usr/sbin/prepareclient file, 99

/usr/sbin/stonith file, 173

/usr/share/doc/packages/heartbeat file, 134

/usr/src/linux file, 56

/usr/src/linux/arch/i386/boot/bzImage file, 60

/usr/src/linux/.config file, 56

/usr/src/linux/System.map file, 61