The scp way:
You could type the path to id_rsa.pub, or cd into the users home directory:
scp id_rsa.pub user@ipaddress:.ssh/authorized_keysLocate the drive:
camcontrol devlist
Output:
<ST3500418AS CC35> at scbus3 target 0 lun 0 (pass0,ada0)
<ATAPI iHAS324 A BL1A> at scbus4 target 0 lun 0 (pass3,cd0)
<ST500DM002-1BD142 KC45> at scbus5 target 0 lun 0 (pass1,ada1)
<AHCI SGPIO Enclosure 1.00 0001> at scbus9 target 0 lun 0 (ses0,pass2)
Where “ at scbus4 target 0 lun 0 (pass3,cd0)” = our DVD drive
Blank the DVD+RW medium:
growisofs -Z /dev/cd0=/dev/zero
Output: Notice this disk contains a previously written .ISO
WARNING: /dev/cd0 already carries isofs!
About to execute 'builtin_dd if=/dev/zero of=/dev/pass3 obs=32k seek=0'
/dev/pass3: restarting DVD+RW format...
/dev/pass3: "Current Write Speed" is 4.1x1352KBps.
3964928/4700372992 ( 0.1%) @0.9x, remaining 59:13 RBU 99.9% UBU 3.8%
22544384/4700372992 ( 0.5%) @4.0x, remaining 24:12 RBU 100.0% UBU 99.8%
[................]
3048865792/4700372992 (64.9%) @4.0x, remaining 5:04 RBU 99.9% UBU 99.8%
3067445248/4700372992 (65.3%) @4.0x, remaining 5:01 RBU 100.0% UBU 99.8%
[................]
3784048640/4700372992 (80.5%) @4.0x, remaining 2:48 RBU 99.9% UBU 99.8%
3802726400/4700372992 (80.9%) @4.0x, remaining 2:45 RBU 100.0% UBU 99.8%
[................]
4370333696/4700372992 (93.0%) @4.0x, remaining 1:00 RBU 99.9% UBU 99.8%
4388945920/4700372992 (93.4%) @4.0x, remaining 0:57 RBU 99.9% UBU 99.8%
[................]
Write the ISO:
growisofs -Z /dev/cd0 -J -R /home/rick/Downloads/ISO/FreeBSD/FreeBSD-11.1-RELEASE-amd64-dvd1.iso
Output
Executing 'mkisofs -J -R /home/rick/Downloads/ISO/FreeBSD/FreeBSD-11.1-RELEASE-amd64-dvd1.iso | builtin_dd of=/dev/pass3 obs=32k seek=0'
0.31% done, estimate finish Sun Feb 18 10:46:09 2018
0.61% done, estimate finish Sun Feb 18 10:46:09 2018
/dev/pass3: "Current Write Speed" is 4.1x1352KBps.
1.23% done, estimate finish Sun Feb 18 10:48:52 2018
1.53% done, estimate finish Sun Feb 18 10:50:30 2018
[.............]
37.92% done, estimate finish Sun Feb 18 10:56:15 2018
38.22% done, estimate finish Sun Feb 18 10:56:15 2018
[.............]
53.51% done, estimate finish Sun Feb 18 10:56:16 2018
53.82% done, estimate finish Sun Feb 18 10:56:16 2018
[.............]
74.61% done, estimate finish Sun Feb 18 10:56:17 2018
74.92% done, estimate finish Sun Feb 18 10:56:17 2018
[.............]
89.59% done, estimate finish Sun Feb 18 10:56:18 2018
89.90% done, estimate finish Sun Feb 18 10:56:18 2018
[.............]
99.99% done, estimate finish Sun Feb 18 10:56:19 2018
Total translation table size: 0
Total rockridge attributes bytes: 300
Total directory bytes: 0
Path table size(bytes): 10
Max brk space used 0
1635174 extents written (3193 MB)
builtin_dd: 1635184*2KB out @ average 3.9x1352KBps
/dev/pass3: flushing cache
/dev/pass3: stopping de-icing
/dev/pass3: writing lead-out
Fin!