Python for unix sys admins

... than before. As a system administrator, most of my own Python use is for system and network management tasks. I already knew how useful a good book focusing on system ad- ministration with Python ... ever done any work on Python. I have been benefitting from your work for a number of years now. I was hired for my last two jobs because of Python. Python, the language, and Python,...

Ngày tải lên: 19/03/2014, 13:42

... McKusick, M., "Performance Effects of Disk Subsystem Choices for VAX Systems Running 4.2BSD UNIX& quot;, Computer Systems Research Group, SMM:05-14 A Fast File System for UNIX Dept of EECS, Berkeley, ... 512 byte block UNIX file system. The new file system uses less space than the 512 byte or 1024 byte file systems for indexing information for large files and the same amount of...

Ngày tải lên: 12/09/2012, 14:16

... as the UNIX read() or write() systems calls, risks ignoring all of its other descriptors while it is blocked waiting for data (or for output buffer space). UNIX supports non-blocking operation for ... Profile - modified kernel, Squid on live proxy ment for select(). 2.1 The poll() system call In the System V UNIX environment, applications use the poll() system call instead of sele...

Ngày tải lên: 07/03/2014, 17:20

... ©2001 2 Agenda • A Brief History of Unix • Booting Unix • The Unix File System • Manipulating Files and Directories • Unix Privileges This page intentionally left blank. 6 - 20 Unix Security - SANS ©2001 20 Converting ... BSD Operating System (and it's predecessor on 4.3 BSD) stand alone as the greatest in-depth books on Unix operating system internals. It is useful for...

Ngày tải lên: 16/10/2013, 12:15

... filename for the startup script. 1.3 Building Unix Commands One of the most confounding things for the Unix neophyte is being confronted with a complex Unix command. The cryptic nature of Unix ... basic Unix command and pipe the output into another command is a fundamental principle of Unix shell programming for Oracle. 1.4 Unix Server Environment This section pres...

Ngày tải lên: 12/12/2013, 09:16

... from non -UNIX platform or UNIX systems with different byte order (Sun/SGI) dd is a utility that reads input files block by block. If you specify a disk device, you can capture file system metadata ... illustrate how powerful dd can be. 21 Unix and Linux Backups – SANS GIAC LevelOne © 2000, 2001 21 dd Examples - Forensics • Files AND filesystem metadata are saved for forensics study...

Ngày tải lên: 17/01/2014, 08:20

... early Unix systems required the first slice to be the root file system and the second slice to be the swap space for the virtual memory system). This slice should not be used for file systems. ... look-out for files in the standard operating system directories that are owned by other users. 2 - 24 Unix Security - SANS ©2001 24 The Physical File System • The logical Unix file sy...

Ngày tải lên: 24/01/2014, 09:20

... critical. The catman command reformats the Unix on-line manual pages from their troff sources (troff is an early text-formatting language popularized on Unix systems) to formatted text files and ... and audio recorded 3 - 2 Unix Security - SANS ©2001 2 Agenda • A Brief History of Unix • Booting Unix • The Unix File System • Manipulating Files and Directories • Unix Privileges...

Ngày tải lên: 24/01/2014, 09:20

... enable: – System accounting – Process accounting – Kernel-level auditing Unix systems generally log other information via channels other than Syslog. For example, the login program logs all system ... users to set up at jobs for one-time processes). Note that on most modern Unix systems, at jobs are run by the cron daemon. 5 - 15 Unix Security - SANS ©2001 15 Syslog • syslogd runs...

Ngày tải lên: 24/01/2014, 09:20

... filename for the startup script. 1.3 Building Unix Commands One of the most confounding things for the Unix neophyte is being confronted with a complex Unix command. The cryptic nature of Unix ... basic Unix command and pipe the output into another command is a fundamental principle of Unix shell programming for Oracle. 1.4 Unix Server Environment This section pres...

Ngày tải lên: 17/02/2014, 23:20