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] Lai, Glenn laser printers layers OSI 2nd performance applying raw command bypassing raw devices determining sequential speed LUNs measuring testing 2nd troubleshooting TCP/IP application layer communicating at physical levels Ethernet frames FTP slow down host miscommunications IP firewalls network 2nd physical access slow DNS lookups synchronizing NTP transport layer UDP packet loss LBA (Logical Block Addressing) 2nd least significant bit (LSB) /lib/security file 2nd lightweight process (LWP) 2nd LILO (LInux LOader) 2nd 3rd line printers linear recording methods LKCD (Linux Kernel Crash Dump) LLC (Logical Link Control) load balancing, multipath I/O loading [See bootloaders.] local parallel printing local serial printing local USB printing 2nd local vulnerabilities locking accounts Logical Block Addressing (LBA) 2nd Logical Link Control (LLC) logical partitions Logical Unit Numbers [See LUNs (Logical Unit Numbers).] login accounts configuration PAM /etc/pam.conf /etc/pam.d /lib/security arguments functions modules resources troubleshooting passwords shells logs cron interruptible hangs SSH lookups, slow DNS loss, UDP packets lost password, resetting lp commands lpsci command ls command LSB (least significant bit) lsof command LUNs (Logical Unit Numbers) limitations PCI LVM control, /boot under lvol, stripping LWP (lightweight process) 2nd |