mirror of https://github.com/mkerrisk/man-pages
Changes: Ready for 3.43
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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Michael Kerrisk
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Changes
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@ -10,26 +10,240 @@ The following people contributed patches/fixes or (noted in brackets
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in the changelog below) reports, notes, and ideas that have been
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incorporated in changes in this release:
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Adrian Bunk <bunk@kernel.org>
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Anatoli Klassen <anatoli@aksoft.net>
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Andreas Schwab <schwab@linux-m68k.org>
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Bjarni Ingi Gislason <bjarniig@rhi.hi.is>
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David Prévot <taffit@debian.org>
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Eric Dumazet <edumazet@google.com>
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Florian Weimer <fweimer@redhat.com>
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Frédéric Brière <fbriere@fbriere.net>
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Fredrik Arnerup <arnerup@kth.se>
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Guillem Jover <guillem@hadrons.org>
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Jan Engelhardt <jengelh@inai.de>
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Michael Kerrisk <mtk.manpages@gmail.com>
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Simon Josefsson <simon@josefsson.org>
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Stephane Fillod <fillods@users.sf.net>
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Trevor Woerner <twoerner@gmail.com>
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Yuri Kozlov <yuray@komyakino.ru>
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Apologies if I missed anyone!
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New and rewritten pages
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-----------------------
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Newly documented interfaces in existing pages
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---------------------------------------------
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getenv.3
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Michael Kerrisk [Florian Weimer, Andreas Schwab]
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Document secure_getenv(3)
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New and changed links
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---------------------
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phys.2
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Michael Kerrisk
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New link to unimplemented.2
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secure_getenv.3
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Michael Kerrisk
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New link to getenv.3
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Global changes
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--------------
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Various pages
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Michael Kerrisk
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Global fix: s/-/\\-/ when real hyphen is required (e.g., in code)
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Various pages
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David Prévot [Michael Kerrisk]
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Global fix: Various consistency fixes for SEE ALSO
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Various pages
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Michael Kerrisk
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Global fix: use "Linux kernel source" consistently
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Rather than "kernel source".
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Various pages
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Michael Kerrisk
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Global fix: disable justification and hyphenation in SEE ALSO
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For a better visual result, disable justification and hyphenation
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in SEE ALSO where page names are long.
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Changes to individual pages
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---------------------------
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epoll_wait.2
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Michael Kerrisk [Fredrik Arnerup]
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Describe timeout limitation in kernels < 2.6.37
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As reported by Fredrik (and as far as I can tell the problem
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went back to 2.6.0):
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The timeout argument has an upper limit. Any values above that
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limit are treated the same as -1, i.e. to wait indefinitely.
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The limit is given by:
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#define EP_MAX_MSTIMEO min(1000ULL * MAX_SCHEDULE_TIMEOUT / HZ, \
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(LONG_MAX - 999ULL) / HZ)
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That is, the limit depends on the size of a long and the timer
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frequency. Assuming the a long is never smaller than 32 bits
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and HZ never larger than 1000, the worst case is 35 minutes.
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I think this should be mentioned under "BUGS".
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Although this is likely to be fixed in the future
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(http://lkml.org/lkml/2010/8/8/144), the problem exists in
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at least 2.6.14 - 2.6.35. I don't know if select(2) and poll(2)
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are affected.
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https://bugzilla.kernel.org/show_bug.cgi?id=20762
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Michael Kerrisk
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Add pointer to select(2) for discussion of close in another thread
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getitimer.2
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Michael Kerrisk [Trevor Woerner]
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Note Linux's odd handling of the new_value==NULL case
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Michael Kerrisk [Trevor Woerner]
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Fix types used to declare fields in timeval struct
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keyctl.2
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David Prévot
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Reorder SEE ALSO, without .br
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poll.2
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Michael Kerrisk
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Add pointer to select(2) for discussion of close in another thread
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select.2
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Michael Kerrisk [Stephane Fillod]
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Note behavior if monitored file descriptor is closed in another thread
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Executive summary: a sane application can't rely on any
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particular behavior if another thread closes a file descriptor
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being monitored by select().
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See https://bugzilla.kernel.org/show_bug.cgi?id=40852
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Michael Kerrisk
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Clarify equivalent pselect() code in terms of threads
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s/sigprogmask/pthread_sigmask/
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semop.2
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Michael Kerrisk
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Recast discussion of blocking behavior in terms of threads
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semop() blocks the calling thread, not the process.
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Michael Kerrisk
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SEE ALSO: Add clone(2)
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Give reader a clue about CLONE_SYSVSEM.
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shutdown.2
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Michael Kerrisk [Eric Dumazet]
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Document EINVAL error (and associated bug)
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Eric Dumazet noted that EINVAL was not documented. Some further
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digging shows that it's also not diagnosed consistently.
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See https://bugzilla.kernel.org/show_bug.cgi?id=47111.
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sigaction.2
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Michael Kerrisk
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Tweak SA_RESETHAND description
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syscalls.2, uname.2, boot.7
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Michael Kerrisk
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Global fix: s/OS/operating system/
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timer_settime.2
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Michael Kerrisk
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Small rewording around discussion of pointer arguments
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wait4.2
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Adrian Bunk
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Note that these functions are nonstandard and recommend alternatives
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Some edits to Adrian's path by mtk.
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Michael Kerrisk
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CONFORMING TO: Note SUS details for wait3()
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gnu_get_libc_version.3
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Michael Kerrisk
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Remove unneeded "#define _GNU_SOURCE" from SYNOPSIS
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pthread_kill.3, pthread_sigqueue.3
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Michael Kerrisk
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Remove wording "another"
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Writing "another thread" in these pages implies that these
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functions can't be used to send a signal to the calling thread
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itself, which is of course untrue.
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sigvec.3
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Michael Kerrisk
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Add "int" arg to sv_handler definition in sigvec structure
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Michael Kerrisk
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Fix small error in discussion of blocking of signals
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The signal that causes the handler to be invoked is blocked,
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but saying "by default" implies that this can be changed via
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the API. It cannot. (One needs sigaction(2) for that.)
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syslog.3
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Simon Josefsson
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Remove (apparently bogus) text claiming LOG_AUTH is deprecated
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LOG_AUTH is in POSIX, and widely available. There
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seems to be no basis to the claim it is deprecated.
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Quoting Simon:
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I cannot find any other source that claim LOG_AUTH is
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deprecated in any way. LOG_AUTH is distinct from
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LOG_AUTHPRIV. The GNU C Library manual only documents
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LOG_AUTH. The header files contains both without any
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comment. Common systems like Debian appear to refer to
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both auth and authpriv facilities in syslog configurations.
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Popular daemons appear to use both facilities.
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Both facilities are discussed in several RFCs.
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See https://bugzilla.kernel.org/show_bug.cgi?id=46091
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ttyname.3
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Michael Kerrisk
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SEE ALSO: Add ctermid(3)
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proc.5
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Michael Kerrisk
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Clarify header file related to 'flags' field of /proc/PID/stat
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Michael Kerrisk [Frédéric Brière]
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Update description of 'starttime' field of /proc/PID/stat
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The unit of measurement changed from jiffies to clock ticks in
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Linux 2.6.
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See http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=675891
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Michael Kerrisk
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Document /proc/sys/kernel/kptr_restrict
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Michael Kerrisk [Kees Cook]
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Document /proc/sys/fs/protected_symlinks
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Based on text in Documentation/sysctl/fs.txt by Kees Cook
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Michael Kerrisk [Kees Cook]
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Document /proc/sys/fs/protected_hardlinks
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Based on text in Documentation/sysctl/fs.txt by Kees Cook
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capabilities.7
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Michael Kerrisk
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Document interaction of CAP_SYSLOG and /proc/sys/kernel/kptr_restrict
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ip.7
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Michael Kerrisk
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SEE ALSO: Add ipv6(7)
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SEE ALSO: Add icmp(7)
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man-pages.7
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Michael Kerrisk
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Add some advice about disabling hyphenation in SEE ALSO
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ld.so.8
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Michael Kerrisk
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Describe interpretation of slashes in dependency strings
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Michael Kerrisk
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Repeat note that LD_LIBRARY_PATH is ignored in privileged programs
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This point is already noted when discussing search order for
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libraries, but it's worth repeating under the specific discussion
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of LD_LIBRARY_PATH further down the page.
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Michael Kerrisk
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Add some details for LD_PRELOAD
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Note that LD_PRELOAD list separator can be space or colon
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