Errata
The errata list is a list of errors and their corrections that were found after the product was released.
The following errata were submitted by our customers and have not yet been approved or disproved by the author or editor. They solely represent the opinion of the customer.
Color Key: Serious technical mistake Minor technical mistake Language or formatting error Typo Question Note Update
Version | Location | Description | Submitted by | Date submitted |
---|---|---|---|---|
Page 25 Table 4-1, Typical runlevels |
This is a suggestion, regarding the level 4 runlevel explanation. Currently it is too vague. |
Tatiana Al-Chueyr | Feb 16, 2012 | |
Page 28 Change Runlevels and Shut Down or Reboot System (Topics 101.2 and 101.3) |
Again, there is a description a bit vague. I suggest you clarify it: |
Tatiana Al-Chueyr | Feb 16, 2012 | |
Printed | Page 80 line 10 and following |
The explanation of the join command is not clear and the example does not work. |
S. Peters | Aug 10, 2014 |
Printed | Page 93 Chapter 6: GNU and Unix Commands |
cp command |
Anonymous | Dec 04, 2012 |
Page 99 Frequently used options of rm, lower half of page, PDF edition |
"-d |
Von Hawkins | Jan 21, 2015 | |
Page 112 second paragraph where option "-q" specified |
it wrote about option "-q" which was usable in past but in new version of ؛top؛ command on linux there is no "-q" option . |
ali | Jul 24, 2012 | |
Printed | Page 117 3rd command |
Single quotes are used in command instead of backticks (as indicated by the second paragraph below the command). |
Anonymous | Aug 02, 2011 |
Printed | Page 129 Last paragraph |
In Example 4 of sed it states that the command sed 's/^&/@/' file1 will replace all blank lines with @, however this will only replace the first instance. The correct command should be: sed 's/^&/@/g' file1 |
Kevin Nelson | Aug 11, 2011 |
Printed | Page 147 Example 1,2,3 |
Example 1 |
Anonymous | Aug 23, 2016 |
Printed | Page 190-191 Third full paragraph on 190 and/or Figure 7-3 on 191 |
The paragraph explains how jdoe created a symbolic link on /dev/sda9 to a file, but Figure 7-3 lists it as /dev/sdaq |
David Dawson | Aug 02, 2011 |
Printed | Page 205 United States |
In the Review questions for System Architecture #5 is What command is used to obtain USB information on a Linux system? The first thing that comes to mind is lsusb, especially considering the other commands that are being talked about within that section of the book: lspci, lsmod, insmod, etc... My guess would be that one of the original lsmods mentioned in the issue brought up by Timothy Bounds on 12 Oct 2010 was actually supposed to be lsusb. |
Greg Yeomans | Oct 17, 2011 |
Printed | Page 247 Third line of Octal bits in the Setting access modes section. |
rwxr-xr-- 111101100 = 751 is not correct. |
Mark Rogoyski | Aug 08, 2011 |
Page 267 top of the page line 3 |
At top of page line 3 It says the command : |
alieblice | Sep 15, 2012 | |
Page 293 2nd paragraph |
The text says "Let’s sort our families by the father’s date of birth, from youngest to oldest." but I think it should be "from oldest to youngest." |
Saber Yari | Jun 27, 2016 | |
Printed | Page 373 Figure 19-1 |
The second field of the binary address for Network Address 192.168.1.0 reads 10101011. It should read 10101000. |
Andrew Eddy | Feb 24, 2014 |
Page 409 2nd paragraph |
Initially, the fdisk command by itself did not work because it was not in the $PATH variable. Once the user returned to her user shell and used su to become root, the $PATH environment variable then contained the /sbin and /usr/sbin directories, so fdisk was found. |
Anonymous | Sep 02, 2012 | |
Page 416 2nd paragraph |
We can see from this file that the root account has a password, the password was last changed 14,617 days after January 1, 1970, this user can change her password at any time, she does not have to change her password until 99,999 days after January 1, 1970, and if her password is ever set to expire, she will start getting notices 7 days before the actual expiration. |
Anonymous | Sep 02, 2012 | |
Page 416 ssh-keygen description and example |
The -b option sets the number of bits in the keys: 512 is the minimum, and 1024 bits is the default. |
Anonymous | Sep 03, 2012 | |
Page 427 1st Paragraph |
This scan took a little bit longer, but it showed us an additional three open TCP ports that the default scan did not show. |
Anonymous | Sep 02, 2012 | |
Printed | Page 446 1st Paragraph, 2nd sub-paragraph |
The path/filename for the public key is shown as ~/.id_rsa.pub. It should be ~/.ssh/.id_rsa.pub. |
Andrew Eddy | Feb 24, 2014 |
Page 474 Answer 27 |
The Answer to Question 27 mentions Telnet and FTP, but the question mentioned *SSH* and FTP! |
CH | Aug 15, 2011 |