sysadmin@eita:~$ sudo brsaneconfig5 -d
-----------------------------
cat /etc/fstab
# /etc/fstab: static file system information.
#
# Use 'blkid' to print the universally unique identifier for a
# device; this may be used with UUID= as a more robust way to name devices
# that works even if disks are added and removed. See fstab(5).
#
# <file system> <mount point>   <type>  <options>       <dump>  <pass>
/dev/mapper/ubuntu.vg-root.lv /               ext4    errors=remount-ro 0       1
/dev/mapper/ubuntu.vg-boot.lv /boot           ext4    defaults        0       2
# /boot/efi was on /dev/sda8 during installation
UUID=3EC7-D3B1  /boot/efi       vfat    umask=0077      0       1
/dev/mapper/ubuntu.vg-home.lv /home           ext4    defaults        0       2
/dev/mapper/ubuntu.vg-swap.lv none            swap    sw              0       0
/dev/disk/by-uuid/3EA7-A070 /mnt/3EA7-A070 auto nosuid,nodev,nofail,noauto 0 0
/dev/disk/by-uuid/FA8AFADF8AFA977B /mnt/FA8AFADF8AFA977B auto nosuid,nodev,nofail,noauto 0 0
/dev/disk/by-uuid/1ECB-EE89 /mnt/1ECB-EE89 auto nosuid,nodev,nofail,noauto 0 0
-----------------------------
sane-find-scanner

  # sane-find-scanner will now attempt to detect your scanner. If the
  # result is different from what you expected, first make sure your
  # scanner is powered up and properly connected to your computer.

  # No SCSI scanners found. If you expected something different, make sure that
  # you have loaded a kernel SCSI driver for your SCSI adapter.

found USB scanner (vendor=0x0bda [Generic], product=0x0129 [USB2.0-CRW]) at libusb:001:005
  # Your USB scanner was (probably) detected. It may or may not be supported by
  # SANE. Try scanimage -L and read the backend's manpage.

  # Not checking for parallel port scanners.

  # Most Scanners connected to the parallel port or other proprietary ports
  # can't be detected by this program.
-----------------------------
ls -R -all /proc/bus/usb
ls: cannot access '/proc/bus/usb': No such file or directory
-----------------------------
cat /proc/bus/usb/devices
cat: /proc/bus/usb/devices: No such file or directory
-----------------------------
scanimage -L
device `brother5:net1:dev0' is a Brother ADS-2800W ADS-2800W
device `hpaio:/net/HP_Color_LaserJet_MFP_M477fdw?ip=10.0.0.4' is a Hewlett-Packard HP_Color_LaserJet_MFP_M477fdw all-in-one
-----------------------------
-----------------------------
ping
test ADS-2800W
ping 10.0.0.2 -w 10

PING 10.0.0.2 (10.0.0.2) 56(84) bytes of data.
64 bytes from 10.0.0.2: icmp_seq=1 ttl=255 time=0.842 ms
64 bytes from 10.0.0.2: icmp_seq=2 ttl=255 time=0.901 ms
64 bytes from 10.0.0.2: icmp_seq=3 ttl=255 time=0.830 ms
64 bytes from 10.0.0.2: icmp_seq=4 ttl=255 time=0.828 ms
64 bytes from 10.0.0.2: icmp_seq=5 ttl=255 time=0.875 ms
64 bytes from 10.0.0.2: icmp_seq=6 ttl=255 time=0.837 ms
64 bytes from 10.0.0.2: icmp_seq=7 ttl=255 time=0.853 ms
64 bytes from 10.0.0.2: icmp_seq=8 ttl=255 time=0.903 ms
64 bytes from 10.0.0.2: icmp_seq=9 ttl=255 time=0.896 ms
64 bytes from 10.0.0.2: icmp_seq=10 ttl=255 time=0.832 ms

--- 10.0.0.2 ping statistics ---
10 packets transmitted, 10 received, 0% packet loss, time 9206ms
rtt min/avg/max/mdev = 0.828/0.859/0.903/0.045 ms