Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z] Samba 2nd configuring server important files restarting smbd and nmbd Samba packages and source code Exam 201 review and exercises getting started with nmbd daemon browsing shared resources remote printers, configuring 2nd smb.conf file custom share section default sections smbd daemon source or binary distributions SWAT (Samba Web Administration Tool) WINS client, using as /sbin directory 2nd 3rd 4th /sbin/hotplug /sbin/init 2nd scanning, network scp command 2nd screen script files scripting languages PHP shells (sh and bash) scripts 2nd 3rd 4th bash shell command substitution commands for file tests return values sending mail from CGI (Common Gateway Interface) environment executable invoking location, ownership, and permissions named-bootconf.pl network interface manipulation Perl adding new disks attached to HBA controller log watching running on Apache security using CPAN web logs, fetching and processing PHP, configuring Apache for scheduled execution at facility cron facility she-bang line shell scripts checking process status and sending alerts detecting changes in files IFS variable, security risks monitoring users and using awk using sed variables starting and stopping httpd startup 2nd synchronizing files across machines SCSI (Small Computer System Interface) 2nd configuration device files disk drives, naming drive interfaces IDs Linux SCSI device files logical unit number kernel subdirectories termination types secondary (mail) servers secondary DNS server secondary IDE interface Secure Set Identifier (SSID) security announcements Apache DNS server Exam 102 highlighter's index Exam 102 review questions and exercises filesystem host machines inetd shadow passwords log files (auth) logging and superuser mail NFS server packages, verifying password management Perl scripts rpm --checksig Samba (smb.conf file) Sendmail bastion host server historical problems with SGID workgroups SUID files syslog, using over network syslogd, configuring system auditing source code Exam 202 review FTP servers IDS (intrusion detection system) tools Kerberos router configuration scanning in general Secure Shell (OpenSSH) security alerts TCP wrappers updating Linux TCP wrappers for services user-level, setting up verification of Red Hat packages X window managers sed (stream editor) 2nd postfix MTA logs, examining regular expression examples shell scripting and self-monitoring, analysis, and reporting technology system (SMART) self-signed certificate, creating SELInux Sendmail 2nd bastion host server configuring Sendmail for locking down configuration 2nd smart host parameter configuration files, building and editing delivering email SMTP delivery using DNS lookups SMTP delivery via smart host editing sendmail.cf file manually email aliases Exam 102 highlighter's index forwarding mail importance of local email delivery mail aliases managing mail traffic monitoring mail preparing for Majordomo queued mail (mailq command) restarting after configuration changes security defining accepted email domains defining trusted network testing configuration sending email from scripts starting and stopping startup script (example) virtual users, checking virtusertable file sendmail.cf file editing manually sendmail.mc file reverse aliasing SMART_HOST directives serial interfaces serial ports internal modems server-to-client communications, port numbers services inaccessible, determining cause services file 2nd 3rd services list, tcpd session handling, cron jobs setting quotas %setup macro SGID (Set Group ID) script files workgroups 2nd SGID (Set Group ID) property, access modes sh (Bourne shell) 2nd root and user prompts scripting with shadow passwords 2nd 3rd host security and management commands problems with sharable data shared directory (Samba) shared libraries 2nd adding locations dependencies external linking managing shared object dynamic linker she-bang line (scripts) 2nd 3rd shell prompt (#) shell variables 2nd 3rd 4th exported to become environment variables exporting HISTSIZE PATH PS1 shells 2nd 3rd bash aliases configuration files functions variables concepts common to CPAN default shell field (passwd file) defined entering commands at prompt environment Exam 102 highlighter's index Exam 102 review questions and exercises job control 2nd kill command overview scripting bash learning scripts basic bash scripts creating bash script environment executable files invoking location, ownership, and permissions she-bang line starting/stopping processes security risks sessions troubleshooting shift command showmount command 2nd shutdown init command, using shutdown command, using 2nd telinit command, using SIGHUP signal SIGINT (interrupt signal) signals 2nd cron jobs flow control interactive, listed kill command signing Debian packages single-user mode 2nd single-user runlevel slapd slapd.conf file slaptest command slave disk drive slave server (NIS) sldap.conf file slurpd SMART (self-monitoring, analysis, and reporting technology) smart host mail delivery via smartctl utility smartd smartmontools smbclient command smbd smbmount command 2nd smbpasswd program smbprint utility smbstatus program smbtestparm command SMP (symmetric multiprocessing) kernel SMS alerts, sending from scripts SMTP (Simple Mail Transfer Protocol) 2nd delivery via a smart host email delivery based on DNS lookup snapshots (LVM) sndconfig command Snort configuring rules, understanding SOA (start of authority) records forward DNS files reverse DNS files soft limit (disk quotas) grace period software updates, potential problems sort command sorting mail sound cards 2nd configuration 2nd source code Apache, installing from installing programs from kernel making and installing programs from 2nd 3rd compiling bash (example) installing compiled software open source and free sofware, getting open source sofware, compiling security auditing buffer overflows checking input executing sub programs temporary files, unsafe creation source command 2nd source packages, Debian source RPM (SRPM) packages, building RPM packages from sourcing of configuration files spam, configuring Sendmail to prevent spec files gzip package (example) SPECS directory split command 2nd spoofing source addresses of packets spool directories SQL injection Squid 2nd as web accelerator configuration authentication configuring to authenticate against Apache file ncsa_auth command configuration (Squid.conf) acl option cache_access_log option cache_dir option cache_mem option http_port option history installation web site src.rpm files SRPM (source RPM) package, building RPM packages from SSH (Secure Shell) 2nd network troubleshooting and OpenSSH installing and configuring TCP wrappers OpenSSH, setting up port forwarding rsync, using with server reliance on reverse DNS lookups ssh-agent command ssh-keygen command sshd SSID (Secure Set Identifier) SSL (Secure Sockets Layer), Apache mod_ssl module stable kernels stack of protocols standard error (stderr) 2nd standard I/O standard input (stdin) 2nd 3rd printing file with lpr standard output (stdout) 2nd startup, system 2nd customizing initrd images runlevels system initialization scripts recovery booting from rescue CD filesystem damage init or system initialization failure loss of key files scripts static data static IP address assignment, DHCP statically linked programs 2nd stderr (standard error) stdout (standard output) 2nd sticky bit 2nd strace command network troubleshooting stratum 1 servers streaming devices streams 2nd subnet masks 2nd setting with ifconfig subnets 2nd DHCP and reverse DNS filenames 2nd substitution, command history substitution, commands SUID (Set User ID) 2nd access mode property script files security concerns sum command superblock superuser email from system on security issues home directory swap partitions 2nd creating swap space guidelines for managing size of 2nd swapoff command swapon command SWAT (Samba Web Administration Tool) switches, failure of symbolic access modes 2nd chmod command symbolic links 2nd 3rd finding tar and cp utilities symmetric multiprocessing (SMP) kernel sync command synchronous connections syntax, commands 2nd sysctl command 2nd 3rd listing, viewing and changing writeable /proc file entries security-related tuning of /proc/sys/net/ipv4 directory sysctl.conf file 2nd IP routing sysinit script syslog system 2nd boot-time messages logging and superuser mail mail messages, logging setting up clients setting up server system applications, debugging tcpd logging troubleshooting problems with using central logs syslogd authpriv facility 2nd configuring enabling network listening syslogd.conf file system administration 2nd automating tasks using scripts automating tasks with at 2nd automating tasks with cron 2nd backups 2nd concepts and strategies device files mt command restoring files from tar archives scripts called by cron tar utility, using verifying tar archives customizing and automating the system daemons and services Exam 102 review questions and exercises network services Apache web server DNS inetd MTA (Mail Transfer Agent) NFS and Samba daemons Secure Shell (OpenSSH) xinetd security 2nd hosts 2nd packages, verifying password management SGID workgroups SUID files TCP wrappers user-level 2nd system log files 2nd configuring syslogd information stored in rotation of system maintenance review questions and exercises time, maintaining troubleshooting, Exam 201 review user and group management 2nd commands groups and group file shadow passwords user accounts and password file user environment and system environment variables 2nd home directory, setting system startup scripts system command system initialization scripts 2nd failure of System V (SysV) Unix, printing system-config-network-tui tool 2nd |