L
- L flag (Linux routing table), The Routing Table
- label field (inittab file), Understanding /etc/inittab
- lame-ttl option (named), The options Statement
- LanguagePriority directive (httpd.conf
file), Defining File Types
- laptop
computers, as troubleshooting tool, Diagnostic Tools
- last command, security and, Checking login activity
- layers, A Data Communications Model, TCP/IP Protocol Architecture–TCP/IP Protocol Architecture
- OSI Model, A Data Communications Model
- TCP/IP models, TCP/IP Protocol Architecture–TCP/IP Protocol Architecture
- lcladdr parameter, The bgp Statement, The egp Statement
- gated bgp statement, The bgp Statement
- gated egp statement, The egp Statement
- LCP (Link Control Protocol), The Serial Protocols
- lcp-echo-failure option (pppd), The PPP Daemon
- lcp-echo-interval option (pppd), The PPP Daemon
- lcp-max-configure option (pppd), The PPP Daemon
- lcp-max-failure option (pppd), The PPP Daemon
- lcp-max-terminate option (pppd), The PPP Daemon
- lcp-restart option (pppd), The PPP Daemon
- ldap (sendmail K command value), The sendmail K Command
- LDAPROUTE_DOMAIN macro (sendmail), m4 sendmail Macros
- LDAPROUTE_DOMAIN_FILEmacro (sendmail), m4 sendmail Macros
- leases, DHCP, Dynamic Host Configuration Protocol
- level parameter (gated), The isis Statement
- lib/modules directory, Using Dynamically Loadable Modules
- lifetime parameter (gated), The routerdiscovery Statement
- limited broadcast addresses, How DHCP works
- limited use protocols, Protocol Standards
- Line Printer (LP), configuring, Line Printer Service
- Linelimit field (sendmail), Defining Mailers
- Link Control Protocol (LCP), The Serial Protocols
- Link-State Advertisement (LSA), Open Shortest Path First
- link-state database (OSPF), Open Shortest Path First
- link-state protocols, Open Shortest Path First
- linkname option (pppd), The PPP Daemon
- Linux, The Routing Table, The Routing Table, Kernel Configuration, Using Dynamically Loadable Modules, Using Dynamically Loadable Modules, Using Dynamically Loadable Modules, Using Dynamically Loadable Modules, Using Dynamically Loadable Modules, Using Dynamically Loadable Modules, Linux Kernel Configuration, Linux Kernel Configuration, Linux Kernel Configuration, Linux Kernel Configuration, Startup Runlevels, Understanding /etc/inittab, Understanding /etc/inittab, The Interface Name, The Interface Name, Checking the Interface with ifconfig, Assigning an Address, Assigning a Subnet Mask, Setting the Broadcast Address, Promiscuous mode, Metric, Point-to-point, Troubleshooting Serial Connections, Troubleshooting Serial Connections, Adding Static Routes, Installing static routes at startup, A caching-only server configuration, The /etc/exports file–The /etc/exports file, The /etc/exports file, The mount command, The vfstab and fstab files, The vfstab and fstab files, The printcap file, Configuring a Samba Server, Network Information Service, Network Information Service, Running sendmail as a Daemon
- broadcast addresses, setting, Setting the Broadcast Address
- commands, Using Dynamically Loadable Modules, Using Dynamically Loadable Modules, Using Dynamically Loadable Modules, Using Dynamically Loadable Modules, Using Dynamically Loadable Modules, The Interface Name
- depmod, Using Dynamically Loadable Modules
- dmesg, The Interface Name
- insmod, Using Dynamically Loadable Modules
- lsmod, Using Dynamically Loadable Modules
- modprob, Using Dynamically Loadable Modules
- rmmod, Using Dynamically Loadable Modules
- domain names, The /etc/exports file
- Ethernet promiscuous mode, enabling and
disabling, Promiscuous mode
- filesystem type, specifying, The mount command
- fstab files, The vfstab and fstab files
- ifcfg-eth0 file, Assigning a Subnet Mask
- interface configuration files, Assigning an Address
- kernel configuration, Kernel Configuration, Linux Kernel Configuration, Linux Kernel Configuration, Linux Kernel Configuration, Linux Kernel Configuration
- Ethernet, Linux Kernel Configuration
- help, Linux Kernel Configuration
- options, Linux Kernel Configuration
- loadable modules, Using Dynamically Loadable Modules
- minicom, Troubleshooting Serial Connections
- mount options, The vfstab and fstab files
- named.conf file, caching-only servers, A caching-only server configuration
- netstat -in command output, The Interface Name
- network interfaces, checking status, Checking the Interface with ifconfig
- NFS, exports file, The /etc/exports file–The /etc/exports file
- NIS domains, Network Information Service
- NIS server, initializing, Network Information Service
- point-to-point connections, defining, Point-to-point
- printcap configuration tool, The printcap file
- rc.local script, Understanding /etc/inittab
- rc.sysinit script, Understanding /etc/inittab
- routing cache, examining, The Routing Table
- routing metric, changing, Metric
- routing tables, The Routing Table, Adding Static Routes
- adding routes, Adding Static Routes
- runlevels, Startup Runlevels
- sendmail startup script, Running sendmail as a Daemon
- serial ports, troubleshooting, Troubleshooting Serial Connections
- smb.config file, location, Configuring a Samba Server
- static routing, adding to startup scripts, Installing static routes at startup
- Listen option (multi-homed servers), Multi-Homed Server Options
- listen-on option (named), The options Statement
- load printers parameter (smb.config file), Configuring a Samba Server
- LoadModule directive (httpd.conf file), Loading Dynamic Shared Objects
- Local Information (generic-linux.cf
section), General sendmail.cf Structure
- Local Internet Registry (organizational
type), Obtaining an official network address
- LOCAL keyword (security), tcpd access control files
- local mailer, Defining Mailers
- local option (pppd), The PPP Daemon
- localas parameter, The bgp Statement, The egp Statement
- gated bgp statement, The bgp Statement
- gated egp statement, The egp Statement
- LOCALDOMAIN environment variable, The Resolver Configuration File
- localhost file, Configuring named
- localhost, converting from loopback address, The named.local File
- LOCAL_CONFIG macro (sendmail), m4 sendmail Macros
- LOCAL_DOMAIN macro (sendmail), m4 sendmail Macros
- local_IP_address\:remote_IP_address option
(pppd), The PPP Daemon
- LOCAL_NET_CONFIG macro (sendmail), m4 sendmail Macros
- LOCAL_RULESETS macro (sendmail), m4 sendmail Macros
- LOCAL_RULE_n macro (sendmail), m4 sendmail Macros
- LOCAL_USER, m4 sendmail Macros, DOMAIN
- m4 sendmail macro, m4 sendmail Macros
- sendmail macro, DOMAIN
- Location directive (httpd.conf file), Defining Where Things Are Stored
- lock option (pppd command), PPP Daemon Security, The PPP Daemon
- lockd command (NFS), NFS Daemons
- log file parameter (smb.config file), Configuring a Samba Server
- log files, The share command, Defining the log file format, Using conditional logging, Know Your System, Controlling Access with xinetd, The sendmail Command
- Apache directives, Defining the log file format
- Apache, conditional logging, Using conditional logging
- monitoring, Know Your System
- sendmail, The sendmail Command
- share command, The share command
- xinetd, Controlling Access with xinetd
- log option (share command), The share command
- logfd option (pppd), The PPP Daemon
- logfile option (pppd), The PPP Daemon
- LogFormat directive (Apache), Defining the log file format–Defining the log file format
- logging statement (named command), The logging Statement
- loghost (Solaris hostname), The Host Table
- login activity, security considerations, Checking login activity
- login option (pppd), The PPP Daemon
- login scripts, PPP servers, configuring, PPP Server Configuration
- LOGOUT command (IMAP), Internet Message Access Protocol
- logupdown parameter (gated), The bgp Statement
- loopback addresses, The IP Address, The Host Table, The Minimal Routing Table, A caching-only server configuration, The named.local File
- converting to localhost, The named.local File
- localhost, The Host Table
- named.conf file, A caching-only server configuration
- routing tables, The Minimal Routing Table
- loopback interface (Solaris), configuring, The Interface Name
- loopback route, The Routing Table
- lp files, Line Printer Service
- lp/Systems file, Line Printer Service
- lpadmin command, Line Printer Service
- lpd, Line Printer Daemon, The printcap file–The printcap file
- printcap file, The printcap file–The printcap file
- lpq command, Using LPD
- lpr command, Print Services, Using LPD
- lprm command, Using LPD
- lpsystem command, Line Printer Service
- LSA (Link-State Advertisement), Open Shortest Path First
- lsmod command (Linux), Using Dynamically Loadable Modules