On Thu, Oct 16, 2025 at 4:19 PM Richard Owlett <[email protected]> wrote: > > On 10/16/25 10:36 AM, Andy Smith wrote: > > > > On Thu, Oct 16, 2025 at 10:11:46AM -0500, Richard Owlett wrote: > >> All the instructions I've seen depend on device naming conventions that > >> Debian has not used since Stretch. > >> [ See https://wiki.debian.org/NetworkConfiguration which says: > >> > Since Stretch, old-style interface names (eth0, wlan1 etc.) have > >> > been replaced by names based on hardware location (enp0s31f6, > >> > wlp1s7 etc.). For USB dongles, these can even include the MAC > >> > address: enx2c56ac39ec0d). > >> ] > > > > Are you getting concerned because you're reading something that says > > "eth0" when you don't have an eth0 interface? > > > > If so, I think you're being a bit too picky because the entire thing > > with predictable network device names means that some third party > > documentation writer CAN'T guess what yours will be and so has to just > > use a stand-in like "eth0" or "en0". > > > > You can get a list of YOUR network interfaces by opening a terminal and > > typing: > > > > $ ip link show > > > > It'll be one that's not "lo". If you see multiple and aren't sure, look > > what your default route is. > > > > $ ip route show > > > > $ ip route show > > default via 192.168.1.1 dev wlan0 proto dhcp src 192.168.1.193 metric 600 > > 192.168.1.0/24 dev wlan0 proto kernel scope link src 192.168.1.193 metric > > 600 > > > > It'll be the one that starts "default via…". So in the example above my > > default route goes through network interface "wlan0". > > > > Whatever yours ends up being, it should be that every time (again, the > > point of predictable network device names), so just use that. > > > > Probably ther entire rest of whatever guide you are reading will be > > relevant. > > On my machine I get > > > richard@debian12:~$ ip link show > > 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode > > DEFAULT group default qlen 1000 > > link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 > > 2: eno1: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel state > > DOWN mode DEFAULT group default qlen 1000 > > link/ether 5c:26:0a:35:91:9f brd ff:ff:ff:ff:ff:ff > > altname enp0s25 > > 3: wlp2s0b1: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state > > DOWN mode DORMANT group default qlen 1000 > > link/ether e6:ae:b5:94:25:ed brd ff:ff:ff:ff:ff:ff permaddr > > 5c:ac:4c:15:2a:30 > > 74: enxce36b5aed86e: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc > > fq_codel state UNKNOWN mode DEFAULT group default qlen 1000 > > link/ether ce:36:b5:ae:d8:6e brd ff:ff:ff:ff:ff:ff > > I don't see any "default via…" ! > What now?
Sigh... Andy gave the command `ip route show`, not the command you typed. Jeff

