Updating perl modules
This behaviour can be a little unpredictable (and may well be improved upon in a future version).If you know what you're doing with it and you're sure that the variables in question are defined (nor not) as you expect them to be, then you can rely on this feature to implement some powerful "global" data sharing techniques.In part one I wrote about Legacy systems in general and showed a Free BSD 4.11 installation for those of my readers who are interested in software history.
It’s important to get newer compilers running, but around 2005 Free BSD used special releases to build GCC from (“gcc-core”) and I was not able to find a single mirror on the net that still holds those old and exotic files! And I wouldn’t trust those crusty old daemons at all. Free BSD 4.11 with most daemons disabled If you reboot now, sendmail and syslogd as well as cron, usbd and inetd will be disabled. It’s a truely portable way of building and managing software (I might write a separate post about it some time).And whatever is not running won’t cause us any problems. There’s just one problem: Downloading and decompressing the latest pkgsrc release (currently 2016Q4) won’t complete the bootstrapping process.Obviously Free BSD 4.11 is no longer supported – which is not so much of a surprise. After doing so I found out that 2009Q4 seems to be the last release to bootstrap successfully. Free BSD comes with CVS as part of the base system. And Net BSD’s CVS server won’t accept (which totally makes sense)!This is definitely something that we can build upon. The traditional way of getting Free BSD code was over CVS. Free BSD migrated from CVS to SVN (subversion) in 2008. Eventually subversion will be installed and available on the system.En la ventana que se abre podremos buscar módulos a partir de su nombre (cambiando “::” por “-“) en las vistas de Todos, Instalables y Actualizables.But here’s another problem: Pkgsrc doesn’t seem to keep older releases around and I also haven’t found them mirrored anywhere on the net. Since we don’t control the server, there’s also no way to just add a parameter or something to make it work. Time to get CVS on my slightly more modern Free BSD 11, do the checkout there and tar it all up to copy it over via !We’re going to get 2007Q2 instead, though, since we need things that won’t work on Free BSD 4.11 with later versions.Insignificant whitespace is ignored within directives so you can add variable definitions on the same line, the next line or split across several line with comments interspersed, if you prefer. The top-level variable namespace (hash) is copied, but no attempt is made to perform a deep-copy of other structures (hashes, arrays, objects, etc.) Therefore, a ) then you will change the original copy, regardless of any stash localisation.If you're not worried about preserving variable values, or you trust the templates you're including then you might prefer to use the directive.Remember: Free BSD 4.11 was released in 2005 – however the ABI of each release is carved in stone with a .0 release.Which means that the software in the base system is from 4.0 and thus we venture back into the last millenium: 1999! Doing a little research, I found out that this directory used to be part of the OS and was removed in early Free BSD 5 as it was mostly redundant with /rescue. Have a look yourself: # ls /stand -sh etc minigzip rm tunefs [ find mount_mfs route usbd arp fsck mount_nfs rtsol usbdevs boot_crunch gunzip newfs sed zcat camcontrol gzip pccardc sh cpio help pccardd slattach dhclient hostname ppp sysinstall dhclient-script ifconfig pwd test# sockstat -4 -l USER COMMAND PID FD PROTO LOCAL ADDRESS FOREIGN ADDRESS root dhclient 281 7 udp4 *:68 *:* root sendmail 84 4 tcp4 *:25 *:* root sendmail 84 6 tcp4 *:587 *:* root sshd 75 4 tcp4 *:22 *:* root syslogd 61 5 udp4 *:514 *:* to deactivate any daemons except for SSH (which we need). Pkgsrc is basically Net BSD’s fork of the Free BSD ports tree.