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UFS Logging
UFS logging is the process of storing transactions (changes that make up a
complete UFS operation) in a log before the transactions are applied to the
UFS file system. After a transaction is stored, the transaction can be applied
to the file system later.
UFS logging provides two advantages.
It prevents file systems from becoming inconsistent, therefore eliminating
the need to run fsck(1M). And, because fsck
can be bypassed, UFS logging reduces the time that is required to reboot a
system if it crashes, or after an unclean halt.
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UFS Mount Option: -o noatime
To ignore access time updates
on files, you can specify the -o noatime option when you mount
a UFS file system. This option reduces disk activity on file systems where
access times are unimportant (for example, a Usenet news spool).
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Lightweight Directory
Access Protocol (LDAP)
The Lightweight Directory Access
Protocol (LDAP) is an open-standard, platform-independent, access protocol
based on the X.500 informational model. LDAP is designed to run over TCP/IP
and uses simple string encodings. LDAP applications are client-server applications.
The client library that is included in this release enables developers to
write LDAP applications and enables users to run LDAP-enabled applications.
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SPARC: Dynamic
Reconfiguration
Dynamic reconfiguration enables the
service provider to add, or remove and replace, hot-pluggable system boards
in a running system, eliminating the time lost in rebooting. (This feature
is provided for certain SPARC systems only.)
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New Commands: pgrep and pkill
The pgrep command checks the
active processes on the system and displays the process IDs of the processes
with attributes that match the specified criteria on the command line. The pkill command works the same way as the pgrep
command except that each matching process ID is signaled by kill(2) instead of having the process ID displayed.
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Updated Version: sendmail 8.9
This version includes hooks that enable restriction of spam (unsolicited,
bulk email); virtual hosting that allows email to be received using different
domain names; and an improved configuration hierarchy that makes building
your own sendmail configuration file much easier.
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New Utility: traceroute
Solaris 7 software
includes the popular traceroute utility. The traceroute utility is used to trace the route an IP packet follows
to an Internet host. This utility is especially useful for determining routing
misconfiguration and routing path failures.
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System Crash
Dump Utility
The system crash dump features include
the following:
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