T


tail command, 60

TAL program, 367

tar (tape archive) files, 373–374

.tar.bz file, 372

.tar.bz2 file, 372

.tar.gz file, 372

.tar.Z file, 372

.tbz file, 372

.tbz2 file, 372

tcp option, 296

tcp_states table, 244

tcpdump utility, 143, 375–377

telnet

for cluster node access, 353

for iptables and ipchains, 42

persistence for, 249

PuTTY for, 367

for user sessions, 203

xinetd for, 16, 29

telnet.monitor script, 323

telnetd daemon, 360–361

templates, persistent connection, 247–248

testing

email, 354

Heartbeat configuration, 179–181

ldirectord configuration, 273–274

ldirectord installation, 266–267

LVS-NAT cluster configuration, 224–227

Mon package installation, 308–309

NICs, 383–385

for resource ownership, 126–128

resource scripts, 128

two-node SSH client-server connections, 82–86

Thin Clients, 362–363

time command, 293

time in Heartbeat configuration, 140

time to live (TTL) setting, 156

timeouts

for connection tracking records, 243–244

persistence, 247–248

timers, watchdog, 178

title section for Ganglia Web package, 333–334

top command, 338

total I/O operations, measuring, 294–295

touch command, 218

tracking connection records

for Director, 242–243

timeout values for, 243–244

transactions in NFS performance, 289–290

traps, SNMP, 28

troubleshooting

NICs, 384–385

tcpdump for, 375–377

trust relationships in SSH, 73–77

TTL (time to live) setting, 156

tunneling, 200–202

tux script, 29

two-node SSH client-servers, 77–78

connection tests in, 82–86

copying files in, 89

firewall rules in, 92–93

host key configuration in, 79

rsync over slow WAN connections, 89–90

rsync over SSH in, 87–89

scheduled snapshots in, 90–92

secure data transport in, 86

security improvements in, 86–87

user accounts in, 78–79

user encryption keys for, 79–82

two-way trust relationships, 73–77



The Linux Enterprise Cluster. Build a Highly Available Cluster with Commodity Hardware and Free Software
Linux Enterprise Cluster: Build a Highly Available Cluster with Commodity Hardware and Free Software
ISBN: 1593270364
EAN: 2147483647
Year: 2003
Pages: 219
Authors: Karl Kopper

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