Linux Troubleshooting Bible [Electronic resources] نسخه متنی

Index

T

Tape Archive. See tar

tape drive

cleaning, 111

devices setting up, 116

error flash codes, 111

tape rotation aspects of backups, 105, 112

tar (Tape ARchive)

file restoring features, 130

use of, 119

with runlevel 4, 122

tar using

locally, 122

remotely, 124

TCP ports, 267

TCP wrapper services

CUPS-LPD, 276

Domain, 276

FTP, 275, 278

HTTP, 275, 278

HTTPS, 276

IMAP, 276

IMAPS, 276

IPP, 276

MySQL, 276

NFS, 276

POP3, 275, 278

POP3

S, 276

SMTP, 276, 278

SSH, 275, 278

SunRPC, 276

TCP wrappers

/etc/hosts.allow file, 279

/etc/hosts.deny file, 279

access control lists (ACL), 273

access control mechanism, 272

centralized daemon host access control, 272

for port activity monitoring, 281

for trusted network, 270

hosts.allow file, 278

hosts.deny file, 278

libwrap support, 273, 275

overview, 273

securing local services, 275

services and daemons, 275

single server access control, 270

troubleshooting, 280

using /etc/hosts.allow files, 275

using /etc/hosts.deny files, 275

TCP/IP

firewalling, 267

packet structures, 267

stack securing, 78, 79

telnet command, 165

telnet for Sendmail problems, diagnosing, 505

terminal windows

changing colors, 143

font size changing, 143

GNOME, 140, 142, 143

KDE, 140, 142

multiple shells, 142

scrolling settings, 142

tuning, 142

testing tree, Debian, 546

text-based installation, 29

third-party

graphics drivers, 59

package repositories, 56

public keys, checking, 195

software issues, 59

tools for intrusion detection, 244

updates checking, 59

third-party updates choices

Fedora Legacy Project, 60

Progeny Linux Systems, 60

threading, UNIX, 427

threads, POSIX, 427

time command, 225

Time to Live. See TTL

TLD (top-level domain) servers, 313

TLD name servers, 313

TOH (Tower of Hanoi) backup

advantages, 105, 106

disadvantages, 106

imeplementation, 105

use of, 125, 129

top command for

checking general processor activity, 155

checking memory leaks, 155

checking memory usage, 155

giving processes more priority, 156

kill processes, 156

processes sorting, 154

selected processes watching, 155

usage, 154

top-level domain servers. See TLD servers

Tower of Hanoi. See TOH backup

traceroute command, 166

trigger scripts

checking, 202

defined, 201

trojan, 242, 247

troubleshooting

Apache, 452

BIND, 315

BIND9, 311, 316, 334

Debian GNU/Linux, 545

Debian packages, 565

DNS, 311, 315

e-mail server, 485

Fedora Linux, 5, 6, 8

file transfer, 455, 482

firewall, 265

hard disk, 221

intrusion, 258

iptables, 304

kickstart problems, 96

Linux file system, 211

Linux installation, 19

Linux with Fedora, 4

modem, 341

NFS, 407, 414

printer setup, 374

printer, 359

remote printer access, 375

RPM packages, 207

Samba, 385, 396

Sendmail, 506

software packages, 191, 207

specialty Fedora Linux systems, 8

SUSE Linux, 523

TCP wrappers, 280

video, mouse, and keyboard, 169

web server, 427

troubleshooting tips

for mouse, 188

for video, 185

troubleshooting tools. See also network troubleshooting tools

for Linux system, 139

hardware detecting and configuring, 159, 161

lsmod, 139, 160

modinfo, 139, 160

modprobe, 139, 161

rescue mode, going into, 157

root privilege, obtaining, 151, 153

screen, 139

ssh, 139

strace command, use of, 156

top command, use of, 154

trusted access control, 270

trusted network interface, 270

trusted network, 270. See also untrusted network

TTL (Time to Live) value, 314

TWM

desktop manager, 170

window manager, 174