C

C/C++ Compiler and Tools setting, 14 CA. See certificate authority CA Management, 21, 66, 403-413 cache, 207, 536

cache directories, Squid, 482-483 cache setting, in Squid, 481 cache_access_log tag, 482 cache_din tag, 482 cache_effective_user tag, 485 cache_log tag, 482 cache_mgr tag, 485 cache_store_log tag, 482 cache_swap_high tag, 481 cache_swap_low tag, 481 cach_mem tag, 481

calculations, performing in scripts, 514-517

canonical lookup table, 328-330

case, 517, 520-521

cat command, 78, 205

CD, installing from, 5

cd command, 76

CD Creator, 70

certificate authority (CA), 402-403 configuring, 21 deleting, 413

importing, 413 key signing by, 411-413 managing, with YaST, 403-404 modifying properties of, 404-413 root, 413 certificates exporting to file, 408-409 formats for, 409 managing, 403-417

from command line, 414-417 from YaST, 403-414 chain of trusts, 403 chains, Netfilter, 585-587 character devices, 34 CheckHostIP option, 373 chgrp command, 111 child processes, 203 chkconfig --list, 573-574 chkconfig command, 200, 574, 635 chmod command in absolute mode, 115 changing permissions with, 114-115 in relative mode, 114-115 chown command, 110-111 chroot-jail, 323

CIFS (Common Internet File System), 294

Cimom standard, 14

Ciphers option, 373

cleanup daemon, 319-320

clock settings, 9

Cluster Information Base (CIB), 545 cluster-aware file systems, 546-547, 555-556 clusters/clustering active-active, 546 active-passive, 547 avoiding split brain in, 564-565 creating, with YaST, 565, 567-568, 570 defined, 543

high-availability (HA), 543-545, 558-563 introduction to, 543-558 load-balancing, 544 managing shared resources, 563-564 using shared storage, 545-558 migrating resources, 572 cl_status command, 563-564 cmdline file, 532 cmr_resource command, 572 cn attribute, 343 CNAME resource record, 449 command line. See also configuration files accessing help from, 83-87 AppArmor management from, 618-620 Bash shell, 73-75

certificate management from, 414-417 CUPS management from, 279-282 environment, 43

file management tasks from, 76-78

finding files from, 81

group management from, 101

installing GRUB from, 183 LDAP client configuration from, 363 LVM volume creation, 154-155 network interface configuration from, 240-247 ifconfig command, 242-244 ifdown tool, 241 ifup tool, 241 ip tool, 244-247 with network script, 240-241 partition creation from, 149-151 password management from, 94-95 piping, 79 redirection, 79-80 setting up RAID 0 from, 160-161 user management from, 91-96 working from, 73-87 Xen management from, 602-605 Vi, 82

command substitution, 510-511 commands. See also specific commands error output from, 79 exit status of, 505 external, 505 flow control, 517-523 internal, 84, 505 piping, 79 redirection, 79-80 SSH, 370-371 comment lines, in shell scripts, 504 Common Code Base setting, 12 Common Internet File System (CIFS), 294 common name, 343 common server certificate, 66, 414 Common Unix Print Server (CUPS), 267 Communicate menu, 43 Compression option, 373 compression utilities, 134-135 computational clustering. See highperformance clustering config.sh script, 538 configuration files. See also specific files Apache, 423-424 AutoYaST, 655-658 centralized management of, 341-342 cron, 212-213 DHCP, 470-473 DNS, 453-457 GRUB, 180-183 Heartbeat, 545, 559-563 LDAP, tuning, 359-363 logrotate, 224-227 NFS server, 287-291 OpenLDAP, 344 PAM, 102-103 Samba, 296-303

SLP, for registering services, 626-628 Squid, 480-485 SSH, 372-374

see index user management and, 96-99 Useradd, 92 for virtual hosts, 430 Xen, 602-604 connect_timeout tag, 484 console, 43

container object classes, 342-343 Control Center utility, 41, 46-47 convert and copy (cc), 135 core dumps, 538-540 counters, 514-515, 523 country object class, 342 cp command, 77, 133 CPU activity, 3, 207 cracklib module, 104 crashes, 538-540 Create Launcher, 45 CRL, 410

cron utility, 136-138, 212-214 crond, 212

crontab command, 213-214 cryptographic keys, 473 cryptography, 374

certificate management, 403-417 public/private key pairs, 370, 374-377,

402-403 SSL and, 401-403 Ctrl+C, 74 Ctrl+D, 74 Ctrl+R, 74 Ctrl+Z, 74

ctrlaltdel option, 193

CUPS (Common UNIX Printing System), 13 access restrictions on, 274-281 advantages of, 267 configuration, 267-283 integrating with Samba, 300-302 management of, 271-282

from command line, 279-282 using web interface, 277-279 with YaST, 271-276 print queue management, 281-282 workings of, 270 CUPS administrator, adding, 271 CUPS clients configuration of, 282-283 Linux, 282-283 Windows, 283 CUPS log files, 270

CUPS printers, installation of, 267-269 cupsomatic, 270 cyradm command, 335 Cyrus IMAPd, 333-335 components of, 333 configuring /etc/imapd.con, 334 installation, 333 managing users' mailboxes, 335 understanding, 333-334 cyrus user account, 335

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