Ubuntu Unleashed 2019 Edition: Covering 18.04, 18.10, 19.04

e2fsck command, 419 hdparm command, 417 – 418 tune2fs command, 419 types of file systems, 416 kernel, 4 ...

user permissions, /etc/skel directory, 224 personal video recorders, 87 pgm command, 79 photos. See graphic ...

postconf command, 593 – 594 Postfix, 589 configuring, 591 – 594 forwarding mail with aliases, 596 mail ...

32-bit versus 64-bit Ubuntu, 4 BIOS setup, 6 boot loader, 5 dual-boot system, 5 – 6 DVD installation jump ...

procedural languages, 522 process substitution, 197 processes in background, 189 – 190 , 254 – 255 during boot p ...

XML/DocBook editors, 67 productivity suites, 64 programming. See software development programming languages. See also ...

Scratch, 692 Vala, 692 programs, finding, 12 promiscuous mode, 407 proprietary software, open source softw ...

Q qemu-kvm package, 551 Qmail, 589 Qpid, 564 QT file format, 86 quality assurance, Ubuntu QA Team, 677 , ...

Fetchmail, 597 – 600 MDAs (mail delivery agents), 590 – 591 , 600 – 602 MTAs (mail transfer agents), ...

REISUB feature, 210 – 211 relational databases explained, 514 – 516 flat files versus, 512 – 513 relaying mail, ...

renaming files, 149 , 178 – 179 renice command, 193 repeat statements, 281 repositories compiling from, 120 – ...

command line, 158 , 182 containers, 572 databases, 535 desktop environments, 95 – 96 DNS, 641 email, 602 file/p ...

proxy servers, 617 remote system access, 399 security, 413 shells, 287 software development, 676 software ...

GRUB2 boot loader, 345 retrieving database data, 518 – 520 REVOKE statement (SQL), 525 , 529 revoking pri ...

rsync command, 340 – 342 rtcwake command, 248 – 250 Ruby, 691 runlevels changing, 296 default, 294 definitio ...

saving, files from nonbooting drive, 346 /sbin directory, 132 Scala, 691 – 692 scanning images, 77 scheduling ...

comparison of expressions in pdksh and bash, 267 – 272 comparison of expressions in tcsh, 273 – 277 endless loops, ...

with AppArmor, 410 – 412 authentication Apache, 481 – 483 PAM, 232 – 233 checklist, 403 of devices, 407 disast ...

assigning, 140 changing, 220 changing with chgrp command, 143 changing with chmod command, 141 – 14 ...

tar streams, 339 Sendmail, 588 – 589 Server Message Block (SMB). See Samba ServerAdmin directive, 476 ServerAlias di ...