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首页Oracle Solaris 10文件格式指南(第4部分):816-5174-17版,2011年
Oracle Solaris 10文件格式指南(第4部分):816-5174-17版,2011年
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Oracle Solaris 10 man pages section 4(文件格式)提供了关于系统文件格式的详细文档,这部分的文档编号是816–5174–17,发布日期为2011年8月。这部分内容由Oracle及其关联公司持有版权,并受知识产权法律保护。用户在使用这些软件和相关文档时必须遵守严格的许可协议,该协议限制了使用、复制、修改、分发等行为,并可能包含关于反编译和解码软件的禁止条款,除非法律要求为了兼容性目的。 文档强调,所有信息可能会随时更改,且不保证无误。用户如果发现任何错误,应通过书面形式向Oracle报告。对于提供给美国政府或由其授权的人使用的软件及相关文档,还有一项受限权利通知,指出这些资料受美国政府合同法的约束,可能包括限制重新分发、修改或商业用途的规定。 这一部分涵盖了Oracle Solaris 10操作系统中的关键文件系统架构,如磁盘布局、文件系统类型(如UFS、ZFS)、设备驱动程序、系统日志格式以及与硬件交互的特定格式等。理解并遵循这些文件格式对于管理员、开发者和系统维护人员来说至关重要,因为它们直接影响到系统的性能、稳定性和数据安全。掌握这些内容可以帮助用户优化存储管理,确保数据一致性,并在遇到问题时进行有效的故障排查。 此外,阅读这部分man pages还能了解到关于文件权限、文件系统属性、文件系统检查工具以及备份和恢复策略等相关知识。学习和理解这些文件格式有助于提升对Oracle Solaris 10系统的深入理解和操作能力,从而更好地支持企业的IT基础设施。
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Intro – introduction to le formats
This section outlines the formats of various les. The C structure declarations for the le
formats are given where applicable. Usually, the headers containing these structure
declarations can be found in the directories /usr/include or /usr/include/sys.For
inclusion in C language programs, however, the syntax #include <lename.h>or#include
<sys/lename.h> should be used.
Name
Description
Intro(4)
man pages section 4: File Formats • Last Revised 16 Apr 200316
File Formats
REFERENCE
17
admin – installation defaults le
admin is a generic name for an ASCII le that denes default installation actions by assigning
values to installation parameters. For example, it allows administrators to dene how to
proceed when the package being installed already exists on the system.
/var/sadm/install/admin/default is the default admin le delivered with this release. The
default le is not writable, so to assign values dierent from this le, create a new admin le.
There are no naming restrictions for admin les. Name the le when installing a package with
the -a option of
pkgadd(1M).Ifthe-a option is not used, the default admin le is used.
Each entry in the admin le is a line that establishes the value of a parameter in the following
form:
param=value
All of the parameters listed below can be dened in an admin le, but it is not required to
assign values to all of these. If a value is not assigned,
pkgadd(1M) asks the installer how to
proceed.
The valid parameters and their possible values are shown below except as noted. They can be
specied in any order. Any of these parameters (except the mail and proxy parameters) can be
assigned the value ask, which means that, when the parameter is reached during the
installation sequence, the installer is notied and asked to supply instructions (see NOTES).
basedir Indicates the base directory where relocatable packages
are to be installed. If there is no basedir entry in the le,
the installer will be prompted for a path name, as if the le
contained the entry basedir=ask. This parameter can also
be set to default (entry is basedir=default). In this
instance, the package is installed into the base directory
specied by the BASEDIR parameter in the
pkginfo(4) le.
mail Denes a list of users to whom mail should be sent
following installation of a package. If the list is empty, no
mail is sent. If the parameter is not present in the admin
le, the default value of root is used. The ask value cannot
be used with this parameter.
runlevel Indicates resolution if the run level is not correct for the
installation or removal of a package. Options are:
nocheck Do not check for run level.
quit Abort installation if run level is not met.
conflict Species what to do if an installation expects to overwrite
a previously installed le, thus creating a conict between
packages. Options are:
Name
Description
admin(4)
man pages section 4: File Formats • Last Revised 20 Dec 200418
nocheck Do not check for conict; les in conict
will be overwritten.
quit Abort installation if conict is detected.
nochange Override installation of conicting les;
they will not be installed.
setuid Checks for executables which will have setuid or setgid
bits enabled after installation. Options are:
nocheck Do not check for setuid executables.
quit Abort installation if setuid processes are
detected.
nochange Override installation of setuid processes;
processes will be installed without setuid
bits enabled.
action Determines if action scripts provided by package
developers contain possible security impact. Options are:
nocheck Ignore security impact of action scripts.
quit Abort installation if action scripts may have a
negative security impact.
partial Checks to see if a version of the package is already partially
installed on the system. Options are:
nocheck Do not check for a partially installed
package.
quit Abort installation if a partially installed
package exists.
instance Determines how to handle installation if a previous
version of the package (including a partially installed
instance) already exists. Options are:
quit Exit without installing if an instance of the
package already exists (does not overwrite
existing packages).
overwrite Overwrite an existing package if only one
instance exists. If there is more than one
instance, but only one has the same
architecture, it overwrites that instance.
admin(4)
File Formats 19
Otherwise, the installer is prompted with
existing instances and asked which to
overwrite.
unique Do not overwrite an existing instance of a
package. Instead, a new instance of the
package is created. The new instance will
be assigned the next available instance
identier.
idepend Controls resolution if the package to be installed depends
on other packages and if other packages depend on the
one to be installed. Options are:
nocheck Do not check package dependencies.
quit Abort installation if package dependencies
are not met.
rdepend Controls resolution if other packages depend on the
package to be removed. Also determines behavior if
registered products components to be removed. See
libwsreg(3LIB) and prodreg(1M) for a denition of
product components. Options are:
nocheck Do not check package or product
dependencies.
quit Abort removal if package or product
dependencies are not met.
space Controls resolution if disk space requirements for package
are not met. Options are:
nocheck Do not check space requirements
(installation fails if it runs out of space).
quit Abort installation if space requirements are
not met.
authentication Controls resolution when a datastream package with
signature is to be installed. Options are:
nocheck Do not verify package signature. This also
disables the use of the Online Certicate
Status Protocol (OCSP) to validate the
package's signing certicate.
quit Abort installation if package signature
cannot be veried.
admin(4)
man pages section 4: File Formats • Last Revised 20 Dec 200420
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