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Unix System Administration Handbook
Corrections to Printing 3
In the following updates, changed words are italicized. Sometimes, changes are just described rather than written literally.
Page xxxiv
Paul Kooros, a significant contributor, was inadvertently omitted from the Acknowledgments section.
Page 20
Erich Boleyn's GRand Unified Bootloader (GRUB), now maintained as part of the GNU project, is gaining popularity as an alternative to LILO and the Windows boot loaders. It offers a variety of advanced features. See www.gnu.org/software/grub for more information.
Page 131
There is some confusion in this chapter between the Veritas Volume Manager and the Veritas File System, both of which are available for HP-UX. However, only the Veritas File System is bundled with HP-UX. The default logical volume manager that is included with HP-UX (and that is described in this chapter) is a proprietary volume manager called LVM.
Page 139
There is some confusion in this chapter between the Veritas Volume Manager and the Veritas File System, both of which are available for HP-UX. However, only the Veritas File System is bundled with HP-UX. The default logical volume manager that is included with HP-UX (and that is described in this chapter) is a proprietary volume manager called LVM.
Page 143
There is some confusion in this chapter between the Veritas Volume Manager and the Veritas File System, both of which are available for HP-UX. However, only the Veritas File System is bundled with HP-UX. The default logical volume manager that is included with HP-UX (and that is described in this chapter) is a proprietary volume manager called LVM.
Page 172
Tape drive manufacturer OnStream has gone out of business. Its assets have been acquired by a Dutch group that plans to continue selling ADR drives under the OnStream brand name. Nevertheless, the future prospects for this product are extremely uncertain.
Page 205
Some GNU utilities (in particular, zgrep) can make it a lot more convenient to keep log files in a compressed format. It is also faster on some machines to read compressed data from the disk and decompress it on the fly; compressing old log files can be a double win.
Page 233
After copying the new kernel to /boot, you must also copy /usr/src/linux/arch/i386/boot/System.map to /boot/System.map.
Page 250
In the middle of the page, devices/net/Space.c should be drivers/net/Space.c
Page 255
The Linux loadable kernel module configuration file is /etc/modules.conf, not /etc/conf.modules.
Page 256
The Linux loadable kernel module configuration file is /etc/modules.conf, not /etc/conf.modules.
Page 267
The full name of the IEEE 802.2 LLC is the "Logical Link Control Layer", not the "Link Layer Control" as stated in the footnote.
Page 270
The URL given for the IANA assigned Ethernet numbers table is obsolete. Use www.iana.org/assignments/ethernet-numbers.
Page 276
The CIDR address breakdown on this page is messed up. Please substitute the following text:
"For example, suppose a site has been given a block of 8 class C addresses numbered 192.144.0.0 through 192.144.7.0 (in CIDR notation, 192.144.0.0/21). Internally, the site could use them as
- 1 network of length /21, 2,046 hosts, netmask 255.255.248.0
- 8 networks of length /24, 254 hosts each, netmask 255.255.255.0
- 16 networks of length /25, 126 hosts each, netmask 255.255.255.128
- 32 networks of length /26, 62 hosts each, netmask 255.255.255.192"
Page 277
The URL referred to in the footnote, www.telstra.net/ops/bgptable.html, no longer exists. Check www.telstra.net/ops/bgp/index.html for current information.
Page 279
The correct URL for the CAIDA IPv4 address space utilization map is http://www.caida.org/outreach/resources/learn/ipv4space
Page 307
In footnote a of Table 13.15, /etc/inet/inodes should be /etc/inet/ipnodes.
Page 317
The output of netstat -nr should show the gateway for the destination 127.0.0.1 as 127.0.0.1, not 127.0.0.
Page 326
In Table 13.21, ip_echo_ignore_broadcasts should be icmp_echo_ignore_broadcasts.
At the end of the first text paragraph, "The defaults subdirectory contains the default values as shipped," defaults should actually be default.
Page 331
The second excerpt on the page is missing a closing double quote on the last line. The last line should read:
route_212="-net 132.236.212.64 -netmask 255.255.255.192 132.236.212.6"
Page 388
Regarding the expandability of fiber installations, we received this interesting report from a person at the University of Utah: "The University of Utah was the first large installation of air-blown fiber technology in North America. The technology was developed by British researchers and then commercialized by Sumitomo of Japan. Instead of buried fiber cables, we have buried hoses about 5cm in diameter; four of these enter the math.utah.edu machine room. Each hose contains 6 or 8 transparent tubes, each of which holds 6 or more cladded fiber cables, each of which can contain 6 to 18 fibers (depending on whether single-mode or multi-mode fibers are used). A new fiber cable can be blown in or out of the transparent tube at a speed up about 1m/s, over a distance of up to 5000m. The result is massive expandability without ever digging another trench, and we are supremely glad that we chose this excellent technology."
Page 518
When used with an rsync server, rsync requires a module name as the first component of the destination, not a path name. The example rsync command should read:
rsync -gopt --password-file=/etc/rsync.pwd
/etc/passwd lollipop::sysfiles
Page 519
The example rsyncd.conf file is missing some relevant options. The complete example should be:
[sysfiles] path = /etc secrets file = /etc/rsyncd.secrets read only = false uid = root gid = root hosts allow = distribution_master_hostname
The file shown as rsynd.conf is really called rsyncd.conf
Page 610
The feature referred to as lmtp is actually named local_lmtp:
FEATURE(`local_lmtp’, `path-to-mail.local’)
Page 633
The collision rate on interface hme1 is 0.13%, not 1.3%.
Page 731
An example at the top of the page shows the -p option to the lp command being used to select a destination for the print job. This should actually be the -d option.
Page 746
We shouldn't have used the word "isolate" in the sentence "A ground strap worn on the wrist and attached to a special mat that you kneel on (most computers require you to show proper respect!) will isolate you properly." The purpose of a grounding strap is of course to ground you, which is the opposite of being electrically isolated.
Page 830
A final word on the origin of the name comsat, from Kirk McKusick: "...comsat and biff were written by Bill Joy one day when Heidi Stettner came in told him that her dog barked when the postman came, so why couldn't she get the same thing for email? comsat stands for 'communications satellite' (e.g., beaming down email?) and uses the same name as the ITS program with a similar function."
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