essential system administration 3rd edition phần 1 pptx
essential system administration 3rd edition phần 1 pptx
...
Chapter 1. Introduction to System Administration
Section 1. 1. Thinking About System Administration
Section 1. 2. Becoming Superuser
Section 1. 3. Communicating with Users
Section 1. 4. ...
Section 16 .1. FreeBSD and Tru64
Section 16 .2. HP-UX
Section 16 .3. Linux
Section 16 .4. Solaris
Section 16 .5. AIX System Parameters
Chapter 17 ....
Essential System Administration, 3rd Edition phần 1 pps
...
Chapter 11 . Backup and Restore
Section 11 .1. Planning for Disasters and Everyday Needs
Section 11 .2. Backup Media
Section 11 .3. Backing Up Files and Filesystems
Section 11 .4. Restoring ...
Chapter 10 . Filesystems and Disks
Section 10 .1. Filesystem Types
Section 10 .2. Managing Filesystems
Section 10 .3. From Disks to Filesystems
Section 10 .4...
Essential System Administration, 3rd Edition phần 2 pptx
... than system crashes. On the other hand, the
System V approach results in much faster boots.
[11 ]
[11 ]
FreeBSD Version 4.4 and higher also checks only dirty filesystems at boot time.
If the system ... messages from fsck.
BAD/DUP FILE=2 216 OWNER =19 0 M =12 0777 Mode=> file is a symbolic link, so deleting it is safe.
S =16 MTIME=Sep 16 14 :27 19 97
CLEAR? y
*** FILE SYSTEM...
Essential System Administration, 3rd Edition phần 3 potx
... /etc/group.orig
-rw-r r 1 root root 2679 Mar 19 13 :15 /etc/passwd
-rw-r r 1 root root 2674 Mar 19 13 :15 /etc/passwd-
-rw 1 root shadow 12 85 Mar 19 13 :11 /etc/shadow
-rw 1 root shadow 12 85 Mar 15 08:37 /etc/shadow-
We ... of our systems:
# ls -l /etc/pass* /etc/group* /etc/*shad*
-rw-r r 1 root root 6 81 Mar 20 16 :15 /etc/group
-rw-r r 1 root root 752 Mar 20 16 :1...
Essential System Administration, 3rd Edition phần 4 ppt
...
-rw-r r 1 root system 2732 Jun 23 12 :43 /etc/passwd.sav
-rw-r r 1 root system 29 71 Jul 12 09:52 /etc/passwd
-rw 1 root system 13 14 Jul 12 09:55 /etc/shadow
-rw 1 root system 10 56 Apr 29 18 :39 ... ( 01: 49)
dalton ttyq4 newton Wed Sep 14 15 :58 - 16 :29 (00: 31)
dalton ttypc newton Tue Sep 13 22:50 - 00 :19 ( 01: 28)
dalton console Tue Sep 13 17 :30 - 1...
Essential System Administration, 3rd Edition phần 5 docx
... host.hrSystem
host.hrSystem.hrSystemUptime.0 = Timeticks: ( 318 611 26)
3 days, 16 :30 :11 .26
host.hrSystem.hrSystemDate.0 = 2002-2-8 ,11 :5:4.0,-5:0
host.hrSystem.hrSystemInitialLoadDevice.0 = 15 36 ... address;parent;check command
host[ishtar]=ishtar ;19 2 .16 8.76.98;taurus;check-printer-alive ;10 ;12 0;24x7 ;1; 1 ;1;
host[callisto]=callisto ;19 2 .16 8.22 .12 4;;check-host-alive...
Essential System Administration, 3rd Edition phần 6 ppt
... VDIR 11 6 ,13 1072 /usr/home/aefrisch
vi 74808 aefrisch rtd VDIR 11 6 ,13 1072 /
vi 74808 aefrisch txt VREG 11 6 ,13 1072 /usr/bin/vi
vi 74808 aefrisch txt VREG 11 6 ,13 1072 /usr/libexec/ld-elf.so .1
vi ... POINT
hd5 boot 1 1 1 closed/syncd N/A
hd6 paging 16 16 1 open/syncd N/A
hd8 jfs2log 1 1 1 open/syncd N/A
hd4 jfs2 1 1 1 open/syncd /
hd2 jfs2 49 49 1 open/syncd /us...
Essential System Administration, 3rd Edition phần 7 potx
... MMM:SS KB/s
hamlet sd1a 1 28255 28255 2:36 18 0.3 0: 21 13 21. 1
hamlet sd2a 0 466523 466523 36: 51 211 .1 5:33 14 00.8
dalton /chem 1 FAILED
ada /home 1 397 81 397 81 5 :16 12 5.7 0:29 13 56.7
You should ... 2: 21 0:27
Output Size (meg) 9344.3 72 21. 1 212 3.2
Original Size (meg) 9344.3 72 21. 1 212 3.2
Avg Compressed Size (%)
Tape Used (%) 93.4 72.2 21. 2
Filesystems...
Essential System Administration, 3rd Edition phần 8 pot
... /etc/X 11 , with several links to other places) via
FontPath lines in the Files section:
Section "Files"
RgbPath "/usr/X11R6/lib/X 11/ rgb"
FontPath "/usr/X11R6/lib/X 11/ fonts/misc"
... under
/usr/X11R6/lib/X 11/ fonts or /usr/lib/X 11/ fonts . The Speedo fonts were donated to the X Window system by Bitstream and are located in the same place. The
Ghostscr...
Essential System Administration, 3rd Edition phần 9 ppsx
... 0 11 2 87
0 13 62.67 46 2.80 0.00 0 0.00 0.00 0 0.00 0 0 10 2 88
0 13 9.03 64 0.56 0.00 0 0.00 0.00 0 0.00 1 0 7 1 91
0 13 1. 91 63 0 .12 0.00 0 0.00 0.00 0 0.00 2 0 4 2 92
0 13 2.29 64 0 .14 ... Used by
sg 212 16 0 (autoclean) (unused)
smbfs 3 214 4 2 (autoclean)
nls_iso8859 -1 2848 1 (autoclean)
ipv6 11 7744 -1 (autoclean)
mousedev 3968 0 (unused)
hid 11 744 0 (unused)...
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