F

-f option

Tar, 132

Unmount command, 128 fail-over clusters, 13 failover feature, DHCP, 475-477 fault tolerance, 160 fd directory, 205 fd file, 532

fdisk, partition creation, 149-151 file attributes, applying, 120-121 file descriptors, 205 file handlers, 204 file handles, 535

file management, 38-40 from command line, 76-78 working with directories, 76 file ownership, changing, 111 file search utility, 43 File Server setting, 13 file sharing with FTP, 314-316 with NFS, 285-294 with Samba, 294-314 file synchronization, Rsync, 546 file system management backup creation, 132-138 checking file system integrity, 130 device mounting, 125-130 with links, 130-132 synchronizing files, 136 unmounting devices, 128 file systems cluster-aware, 546-547, 555-556 comparison of, 139-146 creating, 146-159 default directories, 32-38 essential tasks in, 38-40 exporting temporarily, 291 ext2, 139-142 ext3, 142-143 logical volumes, 151-159 nonclustered, 555 overview of mounted, 127 partitions, 146-151

preparing local, for Samba server, 295-296 preparing, for quota, 122 ReiserFS, 143-144 resizing, 143 structure of, 32-38 types, 126-127 XFS, 144, 146 filenames, 132, 493 files accessibility of, 32 compared with links, 131-132 configuration, 35 copying, 77, 371 creating empty, 78 device, 34

excluding from backups, 134 finding, 81 hidden, 77 installation, 37 library, 35 listing, 76-77 mounting, with SSH, 377 moving, 77 OpenLDAP, 343-344 ownership of, 110-111 quotas, 121-124 removing, 77 synchronizing, 136

temporary, 37 viewing text, 78 working with, 76-78 filter expressions, 367 filters, syslog-ng, 222-223 find command, 81 finger service, 265 Firewall option, 17 firewalls, 66

configuration, with YaST, 577-583 preconfiguration, 573-577 manual build of, using iptables, 584-590 ports for mail server, 322 required services for, 584-585 troubleshooting, 633-634 flow control, 517-523

case construction, 520-521 for loops, 517, 523

if . . . then . . . else construction, 518-520 until construction, 522 while construction, 522 for loops, 5517, 523 forwarders, 441-442 forwardX11 option, 373 free tool, 208

FROM_HEADER parameter, 325 fsck utility, 130, 140, 640 fs_file field, 129 fs_freq field, 130 fs_mntops field, 129-130 fs_passno field, 130 fs_spec field, 129 fs_vfstype field, 129 FTP servers, 5

configuration, 315 file sharing using, 314-316 FTP sessions, 371-372 ftsab, 293

full virtualization, 594 functions, Shell scripts and, 524-525 fuser command, 128

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