E

echo entry, 268–269

eject command, 382

email, 3, 5

for iptables and ipchains, 42–43

monitoring, 264

sending and receiving, 353–354

email alerts

in Heartbeat, 158

in Mon, 319

encryption keys in SSH, 72–73, 77

copying, 81–82

creating, 79–80

exchange process, 73–76

host, 79

endian issues, 192

EnGarde distribution, 257

enterprise clusters. See clusters

error logging, 29, 137, 316

/etc/anacrontab file, 21

/etc/conf.modules file, 119

/etc/dhcpd.conf file, 101–102

/etc/gmetd.conf file, 331

/etc/gmond.conf file, 331

/etc/group file, 31, 343–344

/etc/ha.d/authkeys file, 130, 139

/etc/ha.d/conf file, 267

/etc/ha.d/ha.cf file

configuring, 134–136

for control messages, 115

for daemons, 130

for ipfail, 175

for primary server, 148

for respawning, 138, 162

for stonith, 170

for watchdog, 178

/etc/ha.d/haresources file, 147–148

for batch job scheduler, 356

configuring, 136–148

for IP address takeover, 151–152

for IP aliases in, 148–149

for NIC selection process, 149–151

for primary server, 130, 148

for resources, 152–154

for Stonith, 170–171

/etc/ha.d/resource.d file, 125, 138, 149

/etc/ha.d/resource.d/AudibleAlarm file, 157

/etc/ha.d/resource.d/MailTo file, 157

/etc/hosts file, 100

/etc/httpd/conf/httpd.conf file, 398

/etc/init.d file, 20, 38, 50

/etc/init.d/lpd file, 347

/etc/init.d/lvs file, 221, 228

/etc/init.d/sshd file, 79

/etc/init.d/systemimager-server-rsyncd file, 106

/etc/inittab file, 16–18, 28, 161

/etc/lilo.conf file, 62, 178

/etc/mail/sendmail.mc file, 353–354

/etc/modules.conf file, 119, 380

/etc/mon/mon.cf file, 307–308, 317–318, 323

/etc/nsswitch.conf file, 30

/etc/passwd file, 30–31, 343–345, 353

/etc/printcap file, 348–350

/etc/printcap.local file, 25, 348–349

/etc/rc.d/init.d file, 17

/etc/rc.d/init.d/dhcpd file, 103

/etc/rc.d/init.d/sshd file, 72

/etc/rc.d/rc file, 17–18

/etc/sendmail.cf file, 354

/etc/services file, 307, 376

/etc/shadow file, 31, 87, 343–345

/etc/snmp/snmpd.conf file, 311, 314, 320

/etc/ssh/ssh_host_rsa_key file, 72, 79

/etc/ssh/ssh_host_rsa_key.pub file, 72, 79

/etc/ssh/sshd_conf file, 83

/etc/ssh/sshd_config file, 78, 83, 86, 355

/etc/stonith.cfg file, 324

/etc/sudoers file, 99

/etc/sysconfig file, 24–25, 38, 379–380

/etc/sysconfig/ipchains file, 385

/etc/sysconfig/iptables file, 43, 385

/etc/sysconfig/network file, 31, 107, 136, 219, 384

/etc/sysconfig/network-scripts file, 379, 384

/etc/sysconfig/network-scripts/ifcfg-eth1 file, 108

/etc/sysctrl.conf file, 261

/etc/syslog.conf file, 29, 137, 269

/etc/systemimager/rsyncd.conf file, 106

/etc/systemimager/systemimager.conf file, 105

/etc/systemimager/updateclient.local.exclude file, 108

/etc/xinetd.conf file, 30

/etc/yum.conf file, 392

Ethernet

backbones, 288

for Heartbeat

cable connections in, 113

control messages in, 115

NIC device names for, 119

events in Stonith

with Mon, 323–324

multiple, 174

sequences of, 167–168

exclusive BSD flocks, 281

executables, shared objects for, 388–389

exit command, 371

Expect programming language, 293

expire_nodest_conn variable, 269

expired persistence, 248

exponentially smoothed moving average function, 335

external lock arbitration daemon, 281

EXTRAVERSION number, 57, 60, 64