Remmina not resolving hostnames (works OK with IP)

[Dave92f1]

I need a RDP client to access Windows machines over a LAN.

I used Remmina in the past (on Lubuntu) and it worked well (once I figured out the UI).

When I try it on Mint, Remmina can't resolve the name of the Windows host machine - I get "Could not find the address of the RDP server":



But if I try it with a IP4 address, it works OK:




The Mint machine has no problem resolving the hostname:



I can't just use IP addresses, because they're from DHCP and change unpredictably.

The only difference I'm aware of between what worked on Lubuntu and what doesn't work on Mint is that the Ubuntu install (just a week ago) was via a SNAP package; the Remmina install on Mint was a flatpak. (I tried the system package as well; same problem). I don't know if that has anything to do with it.

Advice, please!

[kato181]

The first thing I would suggest to you is to never never ever post your ip address on any forum, that just leaves you open to be hacked. Always black it out.
In terminal copy & paste the following command and post the results back here in between the code display brackets 5th icon above the text box.

Code: Select all

inxi -Fxz

[Dave92f1]

Thanks. I thought posting the IP was harmless because it's a 192.168.x.x local address - not routable from outside my LAN.

Anyway, here's the output:

Code: Select all

dave@MONOLITH:~$ inxi -Fxz
System:
  Kernel: 5.15.0-58-generic x86_64 bits: 64 compiler: gcc v: 11.3.0
    Desktop: Cinnamon 5.6.7 Distro: Linux Mint 21.1 Vera
    base: Ubuntu 22.04 jammy
Machine:
  Type: Desktop Mobo: Micro-Star model: MPG Z690 CARBON WIFI (MS-7D30) v: 1.0
    serial: <superuser required> UEFI: American Megatrends LLC. v: 1.A0
    date: 01/10/2023
CPU:
  Info: 24-core (8-mt/16-st) model: 13th Gen Intel Core i9-13900K bits: 64
    type: MST AMCP arch: N/A rev: 1 cache: L1: 2.1 MiB L2: 32 MiB L3: 36 MiB
  Speed (MHz): avg: 4904 high: 5644 min/max: 800/4053:4284:4300 cores:
    1: 5500 2: 5500 3: 5500 4: 5500 5: 5500 6: 5499 7: 5501 8: 5500 9: 5644
    10: 5565 11: 5500 12: 5500 13: 5500 14: 5500 15: 5500 16: 5500 17: 4315
    18: 4290 19: 4268 20: 4283 21: 4302 22: 4286 23: 4311 24: 4290 25: 4298
    26: 4309 27: 4312 28: 4323 29: 4288 30: 4317 31: 4289 32: 4266
    bogomips: 191692
  Flags: avx avx2 ht lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx
Graphics:
  Device-1: Intel vendor: Micro-Star MSI driver: N/A bus-ID: 00:02.0
  Device-2: NVIDIA TU106 [GeForce RTX 2060 SUPER] vendor: ZOTAC
    driver: nvidia v: 525.78.01 bus-ID: 01:00.0
  Display: x11 server: X.Org v: 1.21.1.3 driver: X: loaded: nvidia
    unloaded: fbdev,modesetting,nouveau,vesa gpu: nvidia
    resolution: 1600x1200~60Hz
  OpenGL: renderer: NVIDIA GeForce RTX 2060 SUPER/PCIe/SSE2
    v: 4.6.0 NVIDIA 525.78.01 direct render: Yes
Audio:
  Device-1: Intel vendor: Micro-Star MSI driver: snd_hda_intel v: kernel
    bus-ID: 00:1f.3
  Device-2: NVIDIA TU106 High Definition Audio vendor: ZOTAC
    driver: snd_hda_intel v: kernel bus-ID: 01:00.1
  Device-3: Micro Star USB Audio type: USB
    driver: hid-generic,snd-usb-audio,usbhid bus-ID: 1-3:3
  Sound Server-1: ALSA v: k5.15.0-58-generic running: yes
  Sound Server-2: PulseAudio v: 15.99.1 running: yes
  Sound Server-3: PipeWire v: 0.3.48 running: yes
Network:
  Device-1: Intel driver: iwlwifi v: kernel port: N/A bus-ID: 00:14.3
  IF: wlo1 state: up mac: <filter>
  Device-2: Intel Ethernet I225-V vendor: Micro-Star MSI driver: igc
    v: kernel port: N/A bus-ID: 04:00.0
  IF: enp4s0 state: down mac: <filter>
Bluetooth:
  Device-1: Intel type: USB driver: btusb v: 0.8 bus-ID: 1-14:7
  Report: hciconfig ID: hci0 rfk-id: 0 state: up address: <filter>
Drives:
  Local Storage: total: 11.82 TiB used: 34.48 GiB (0.3%)
  ID-1: /dev/nvme0n1 vendor: Samsung model: SSD 980 PRO 2TB size: 1.82 TiB
    temp: 34.9 C
  ID-2: /dev/sda vendor: Seagate model: ST1000NM0011 size: 931.51 GiB
  ID-3: /dev/sdb vendor: Western Digital model: WD100EMAZ-00WJTA0
    size: 9.1 TiB
Partition:
  ID-1: / size: 1.79 TiB used: 17.24 GiB (0.9%) fs: ext4 dev: /dev/nvme0n1p2
  ID-2: /boot/efi size: 511 MiB used: 5.2 MiB (1.0%) fs: vfat
    dev: /dev/nvme0n1p1
Swap:
  ID-1: swap-1 type: file size: 2 GiB used: 0 KiB (0.0%) file: /swapfile
Sensors:
  System Temperatures: cpu: 27.8 C mobo: N/A gpu: nvidia temp: 33 C
  Fan Speeds (RPM): N/A gpu: nvidia fan: 38%
Info:
  Processes: 544 Uptime: 2d 1h 36m Memory: 62.62 GiB used: 3.26 GiB (5.2%)
  Init: systemd runlevel: 5 Compilers: gcc: 11.3.0 Packages: 2246 Shell: Bash
  v: 5.1.16 inxi: 3.3.13
dave@MONOLITH:~$ 

[Dave92f1]

FWIW, today it's working fine.

I don't know why. I didn't change anything. Just today...it works.