On 24/01/2019 18:50, Dennis Lee Bieber wrote:
> On Thu, 24 Jan 2019 09:45:59 +0000, The Natural Philosopher
>  declaimed the following:
>
>
>>
>> I will PROBABLY code the website in actual real C for low CPU cycles and
>> memory, though it might be PHP.
>>
>
>  What features does the web-site need? You might be able to use
> something like FLASK (fairly lightweight) or DJANGO (heavier) to code the
> site application (both are Python-based). If the unit is only for internal
> usage, and relatively low traffic, you might even be able to run using the
> "development server" (heavy traffic deployments tend to use nginx (sp?)
> and/or apache.
>
>>  (b) Whilst still attached to the host computer, edit the
>>  config files to set up ssh access, wirless networking
>>          and a fixed IP address.
>
>  Not with a Windows box, at least... Most if not all of the config files
> will be on an EXT# partition, and Windows can not see such (the NOOBS
> installer starts on a FAT partition, but during install converts the rest
> of the SD card to EXT2/EXT3/EXT4 [I've not kept track of what the current
> common variation is]).

No windo9ws in here m8!

Linux all the way.

Wasnt gonna use noobs anyway. Just dd the raspian image onto the SD


>
>>  That is, enough to get an accessible bootable headless pi
>>   on the network in a 'well known' place?
>
>  Suspect it may be easier to connect to a local router, SSH in to make
> configuration changes, then move the unit to the final location.
>

Well if I have to I have to..


>> 5/. Apart from logging issues, I see no real reson why the SD card
>>      ever will need to be written to in use, unless I need swap.
>>      Has anyone ever tried running a Pi with what amounts to a read only
>>      mounted root partition? Can one disable logging?
>>
>  Pi-Star https://www.pistar.uk/ runs in just that mode (logging goes to
> a "ram disk" temp filesystem, and gets rotated periodically).
>
> {USE FIXED WIDTH TO VIEW}
> pi-star@pi-star-3b(ro):~$ df
> Filesystem     1K-blocks    Used Available Use% Mounted on
> /dev/root       15213412 2447856  12111872  17% /
> devtmpfs          492508       0    492508   0% /dev
> tmpfs             497116       0    497116   0% /dev/shm
> tmpfs              16384   13104      3280  80% /run
> tmpfs               5120       4      5116   1% /run/lock
> tmpfs             497116       0    497116   0% /sys/fs/cgroup
> tmpfs               4096    2176      1920  54% /var/lib/samba/private
> tmpfs               1024     464       560  46% /var/cache/samba
> tmpfs                 64       0        64   0% /var/lib/php5/sessions
> tmpfs               1024       0      1024   0% /var/lib/nginx/body
> tmpfs                 16       4        12  25% /var/lib/ntp
> tmpfs                 16       4        12  25% /var/lib/logrotate
> tmpfs                 16       0        16   0% /var/lib/dhcp
> tmpfs                 16       0        16   0% /var/lib/sudo
> tmpfs                 16       4        12  25% /var/lib/dhcpcd5
> tmpfs              65536   15252     50284  24% /var/log
> tmpfs              65536       8     65528   1% /tmp
> tmpfs              16384       0     16384   0% /var/tmp
> /dev/mmcblk0p1     64456   22312     42144  35% /boot
> pi-star@pi-star-3b(ro):~$
> pi-star@pi-star-3b(ro):~$ ls /var/log
> apt         daemon.log.1     kern.log     mail.log.1     php5-fpm.log
> unattended-upgrades
> auth.log    daemon.log.2.gz  kern.log.1   mail.warn      php5-fpm.log.1
> wtmp
> auth.log.1  debug            mail.err     mail.warn.1    pi-star wtmp.1.gz
> boot.log    debug.1          mail.err.1   messages       samba
> btmp        dpkg.log         mail.info    messages.1     syslog
> btmp.1.gz   dpkg.log.1       mail.info.1  messages.2.gz  syslog.1
> daemon.log  exim4            mail.log     nginx          syslog.2.gz
> pi-star@pi-star-3b(ro):~$
>
>  Of course, this does mean that if one needs to review the logs, one
> will need to SSH into the running system -- can't shutdown and move it to
> someplace to examine it as the logs will be lost.
>
>
I could copy them to the network server..


--
Climate Change: Socialism wearing a lab coat.

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