Red Hat Enterprise Linux 5 Administration Unleashed

564Configuration Administrator role (RHN)Configuration Administrator role (RHN), 81configuringDHCP servers, PXE Linux installations, 55IPTables, 477OProfileevent monitoring, 450-452graphical interface configurations, 457tftp servers, PXE Linux installations, 52-54troubleshooting, 551-552connbytes match extension (IPTables), 482connectivity (networks), DHCP, 319common parameters, 323-324local-port parameters, 320logging connections, 325network connections, allowing, 320server configuration, 320-324starting/stopping server, 324-325connlimit match extension (IPTables), 482connmark match extension (IPTables), 482CONNMARK target extension (IPTables), 495connrate match extension (IPTables), 482conntrack match extension (IPTables), 483control channels (BIND), configuring, 344controls statements, configuring named.conffile (BIND) control channels, 341copying files in directories, 105cps attribute (/etc/xinetd.conf), 386crash analysis, kernel dumps, 440-442cron, scheduling tasks, 249-252crond (cron daemon), 251crontabs package, 250CUPS (Common UNIX Printing System), 398Current Enforcing Mode option (SELinux), 464current working directories, 104customizingauditctl, 515BIND logging statements, 351-354desktopkeyboard shortcuts, 101workspaces, 100Kerberos configuration files, 279LDAP logging, 277Logwatchconfigurations, 419-421scripts, 421SELinuxcontexts, 470-474policies, 466-467software, Linux installation, 19CustomLog directive (logging directives), 336Ddaemons, 119auditdaction_mail_acct option, 508admin_space_left option, 508admin_space_left_action option, 509configuring, 505-509default parameters, 506disk_error_action option, 509disk_full_action option, 509dispatcher option, 507disp_qos option, 507EXTRAOPTIONS parameter, 509flush option, 507freq option, 507log_file option, 506log_format option, 507max_log_file option, 508max_log_file_action option, 508num_logs option, 507priority_boost option, 507