When installing Squid on NCP3a4, it fails rather badly because visible_hostname is not yet configured and SMF retries several times to start it before giving up.

jwarnier@srv:~$ sudo apt-get install squid
[sudo] password for jwarnier: 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following extra packages will be installed:
openssl-blacklist openssl-tools squid-common ssl-cert sunwopenssl-commands
Suggested packages:
ca-certificates openssl-doc logcheck-database resolvconf smbclient squid-cgi
squidclient winbind
The following NEW packages will be installed:
openssl-blacklist openssl-tools squid squid-common ssl-cert
sunwopenssl-commands
0 upgraded, 6 newly installed, 0 to remove and 0 not upgraded.
Need to get 7996kB of archives.
After this operation, 2406kB of additional disk space will be used.
Do you want to continue [Y/n]? 
Get:1 http://apt.nexenta.org hardy-unstable/main openssl-blacklist 0.3.3+0.4-0nexenta1.9 [6332kB]
Get:2 http://apt.nexenta.org hardy-unstable/main squid-common 2.6.18-1nexenta4 [481kB]
Get:3 http://apt.nexenta.org hardy-unstable/main openssl-tools 0.9.8k-1nexenta1 [544kB]
Get:4 http://apt.nexenta.org hardy-unstable/main sunwopenssl-commands 1:5.11.131 [1708B]
Get:5 http://apt.nexenta.org hardy-unstable/main ssl-cert 1.0.14-0nexenta3.3 [12.5kB]
Get:6 http://apt.nexenta.org hardy-unstable/main squid 2.6.18-1nexenta4 [624kB]
Fetched 7996kB in 23s (341kB/s)                                                
Preconfiguring packages ...
Selecting previously deselected package openssl-blacklist.
(Reading database ... 30494 files and directories currently installed.)
Unpacking openssl-blacklist (from .../openssl-blacklist_0.3.3+0.4-0nexenta1.9_all.deb) ...
Selecting previously deselected package squid-common.
Unpacking squid-common (from .../squid-common_2.6.18-1nexenta4_all.deb) ...
Selecting previously deselected package openssl-tools.
Unpacking openssl-tools (from .../openssl-tools_0.9.8k-1nexenta1_solaris-i386.deb) ...
Selecting previously deselected package sunwopenssl-commands.
Unpacking sunwopenssl-commands (from .../sunwopenssl-commands_1%3a5.11.131_solaris-i386.deb) ...
Selecting previously deselected package ssl-cert.
Unpacking ssl-cert (from .../ssl-cert_1.0.14-0nexenta3.3_all.deb) ...
Selecting previously deselected package squid.
Unpacking squid (from .../squid_2.6.18-1nexenta4_solaris-i386.deb) ...
Setting up openssl-blacklist (0.3.3+0.4-0nexenta1.9) ...
Setting up squid-common (2.6.18-1nexenta4) ...
Setting up openssl-tools (0.9.8k-1nexenta1) ...
Setting up sunwopenssl-commands (1:5.11.131) ...
Setting up ssl-cert (1.0.14-0nexenta3.3) ...
UX: groupadd: ssl-cert name should be all lower case or numeric.
Setting up squid (2.6.18-1nexenta4) ...
Creating squid spool directory structure
FATAL: Could not determine fully qualified hostname.  Please set 'visible_hostname'
Squid Cache (Version 2.6.STABLE18): Terminated abnormally.
CPU Usage: 0.007 seconds = 0.002 user + 0.005 sys
Maximum Resident Size: 0 KB
Page faults with physical i/o: 0
/var/lib/dpkg/info/squid.postinst: line 95:  1099 Abort                   (core dumped) /usr/sbin/squid -z
Restarting Squid HTTP proxy: squid* Creating squid spool directory structure
FATAL: Could not determine fully qualified hostname.  Please set 'visible_hostname'
Squid Cache (Version 2.6.STABLE18): Terminated abnormally.
CPU Usage: 0.006 seconds = 0.002 user + 0.003 sys
Maximum Resident Size: 0 KB
Page faults with physical i/o: 0
/etc/init.d/squid: line 73:  1120 Abort                   (core dumped) $DAEMON $SQUID_ARGS -z
FATAL: Could not determine fully qualified hostname.  Please set 'visible_hostname'
Squid Cache (Version 2.6.STABLE18): Terminated abnormally.
CPU Usage: 0.007 seconds = 0.003 user + 0.004 sys
Maximum Resident Size: 0 KB
Page faults with physical i/o: 0
/etc/init.d/squid: line 73:  1121 Abort                   (core dumped) start-stop-daemon --quiet --start --pidfile $PIDFILE --chuid $CHUID --exec $DAEMON -- $SQUID_ARGS < /dev/null
failed!