Index_U

U

-u flag, 316

uappnd flag, 185

uchg flag, 185

UDP packet, 352

UDP stateful inspection, 379

UDP traffic, 379

UDP (User Datagram Protocol), 155

UFS (UNIX File System), 300

UID (user ID), 115, 119, 279, 356

uid_end group, 119

uid_start, 119

umask environment setting, 128

umount(8) program, 307

uname(1) command, 235

uncompress, the source code, 257

uninstalling

packages, 250–51, 260

programs, 110, 111, 329

UNIX

creating floppies on, 49

logging system, 288

printing, 284

tools, 64

UNIX File System (UFS), 300

Unix-to-Unix Copy Protocol (UUCP), 284

unmounting

encrypted partitions when system crashes, 318

FFS File system, 306

UNREACHABLE message, 368

upgrading OpenBSD

base software, 328–32

errata, 324–27

merging /etc, 332–37

OpenBSD, 321–48, 327

reasons for, 322

from source, 339–45

CVS setup, 343

CVSup setup, 344–45

mixing repository versions, 341

running CVS, 343–44

running CVSup, 345

source code distribution, 339–40

source code repositories, 340–41

[e-mail], 341–42

tags, 341

standard source build process, 346–48

updating ports and packages, 337–39

versions of OpenBSD, 322–24

user accounts, 416

login behavior, 275

removing, 121–23

user aliases, 139, 141

user classes, 125–31, 279

authentication methods, 129–31

class definition, 125–26

controlling password and login options, 128–29

default environment setting, 128

default login class, 125

FTP options, 128

legal values for /etc/login.conf variables, 126–27

resource limits, 127

User Datagram Protocol. See UDP (User Datagram Protocol)

user dotfiles, 288

user facility, 289

user groups, 123–25

user ID (UID), 115, 119, 279, 356

user immutable flag, 185

user keyword, 372

user sessions, logging to, 291

user shells, 280, 287

userland errata, 327

usernames, 121, 137, 278–80

users

See also managing users

adding before upgrading, 329

disaffected, 181

editing, 122–23

interactively, 115–16

non-interactively, 119–21

of OpenBSD, 5

/usr partition, 41, 44

/usr/bin shell, 118

/usr/local/bin shell, 118

/usr/local/sbin script, 334

/usr/obj directory, 313, 346

/usr/pkg/man/whatis.db file, 276

/usr/ports, 240–41, 242

/usr/ports/ distfiles directory, 253

/usr/ports/distfiles if DISTDIR environment variable, 255

/usr/ports/www/netscape port, 241–42

/usr/sbin/authpf to /etc/shells, 416

/usr/share/zoneinfo directory tree, 88

/usr/src directory, 225

/usr/src file, 238–39

/usr/src/sys/arch directory, 227

/usr/src/sys/arch/i386 directory, 234

/usr/src/sys/conf directory, 227

uucp facility, 289

UUCP (Unix-to-Unix Copy Protocol), 284