/dev/ttyUSB0 или какого-то другого устройства в /dev/ не появляется при подключении?
Покажите вывод команды
dmesg
[ 8.283965] ata2: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
[ 8.284193] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[ 8.284587] ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0.SAT0.PRT1._GTF.DSSP], AE_NOT_FOUND (20200925/psargs-330)
[ 8.284605] ACPI Error: Aborting method \_SB.PCI0.SAT0.PRT1._GTF due to previous error (AE_NOT_FOUND) (20200925/psparse-529)
[ 8.285247] ata2.00: ATA-8: ST1000DM010-2EP102, CC46, max UDMA/133
[ 8.285253] ata2.00: 1953525168 sectors, multi 16: LBA48 NCQ (depth 32), AA
[ 8.286035] ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0.SAT0.PRT1._GTF.DSSP], AE_NOT_FOUND (20200925/psargs-330)
[ 8.286052] ACPI Error: Aborting method \_SB.PCI0.SAT0.PRT1._GTF due to previous error (AE_NOT_FOUND) (20200925/psparse-529)
[ 8.286630] ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0.SAT0.PRT0._GTF.DSSP], AE_NOT_FOUND (20200925/psargs-330)
[ 8.286647] ACPI Error: Aborting method \_SB.PCI0.SAT0.PRT0._GTF due to previous error (AE_NOT_FOUND) (20200925/psparse-529)
[ 8.286669] ata1.00: ATAPI: TSSTcorp CDDVDW SH-224DB, SB00, max UDMA/100
[ 8.287776] ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0.SAT0.PRT0._GTF.DSSP], AE_NOT_FOUND (20200925/psargs-330)
[ 8.287792] ACPI Error: Aborting method \_SB.PCI0.SAT0.PRT0._GTF due to previous error (AE_NOT_FOUND) (20200925/psparse-529)
[ 8.287819] ata1.00: configured for UDMA/100
[ 8.289378] scsi 0:0:0:0: CD-ROM TSSTcorp CDDVDW SH-224DB SB00 PQ: 0 ANSI: 5
[ 8.291831] ata3: SATA link down (SStatus 4 SControl 300)
[ 8.299924] ata4: SATA link down (SStatus 4 SControl 300)
[ 8.299965] ata6: SATA link down (SStatus 4 SControl 300)
[ 8.300004] ata5: SATA link down (SStatus 4 SControl 300)
[ 8.304521] ata2.00: configured for UDMA/133
[ 8.310217] scsi 1:0:0:0: Direct-Access ATA ST1000DM010-2EP1 CC46 PQ: 0 ANSI: 5
[ 8.320003] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.11
[ 8.320116] iTCO_wdt: Found a Intel PCH TCO device (Version=4, TCOBASE=0x0400)
[ 8.320362] iTCO_wdt: initialized. heartbeat=30 sec (nowayout=0)
[ 8.349675] input: HDA Intel PCH Rear Mic as /devices/pci0000:00/0000:00:1f.3/sound/card0/input11
[ 8.349802] input: HDA Intel PCH Line as /devices/pci0000:00/0000:00:1f.3/sound/card0/input12
[ 8.349917] input: HDA Intel PCH Headphone as /devices/pci0000:00/0000:00:1f.3/sound/card0/input13
[ 8.350024] input: HDA Intel PCH HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:1f.3/sound/card0/input14
[ 8.350148] input: HDA Intel PCH HDMI/DP,pcm=7 as /devices/pci0000:00/0000:00:1f.3/sound/card0/input15
[ 8.350256] input: HDA Intel PCH HDMI/DP,pcm=8 as /devices/pci0000:00/0000:00:1f.3/sound/card0/input16
[ 8.350360] input: HDA Intel PCH HDMI/DP,pcm=9 as /devices/pci0000:00/0000:00:1f.3/sound/card0/input17
[ 8.350471] input: HDA Intel PCH HDMI/DP,pcm=10 as /devices/pci0000:00/0000:00:1f.3/sound/card0/input18
[ 8.357731] sd 1:0:0:0: [sda] 1953525168 512-byte logical blocks: (1.00 TB/932 GiB)
[ 8.357738] sd 1:0:0:0: [sda] 4096-byte physical blocks
[ 8.357757] sd 1:0:0:0: [sda] Write Protect is off
[ 8.357761] sd 1:0:0:0: [sda] Mode Sense: 00 3a 00 00
[ 8.357791] sd 1:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[ 8.372677] sda: sda1
[ 8.377446] sd 1:0:0:0: [sda] Attached SCSI disk
[ 8.410622] sr 0:0:0:0: [sr0] scsi3-mmc drive: 48x/48x writer dvd-ram cd/rw xa/form2 cdda tray
[ 8.410629] cdrom: Uniform CD-ROM driver Revision: 3.20
[ 8.441244] sr 0:0:0:0: Attached scsi CD-ROM sr0
[ 9.304231] NET: Registered protocol family 42
[ 9.311904] RTL8211E Gigabit Ethernet r8169-0-200:00: attached PHY driver [RTL8211E Gigabit Ethernet] (mii_bus:phy_addr=r8169-0-200:00, irq=IGNORE)
[ 9.546011] r8169 0000:02:00.0 enp2s0: Link is Down
[ 11.142351] bpfilter: Loaded bpfilter_umh pid 2719
[ 11.142740] Started bpfilter
[ 11.148725] r8169 0000:02:00.0 enp2s0: Link is Up - 100Mbps/Full - flow control off
[ 11.148732] IPv6: ADDRCONF(NETDEV_CHANGE): enp2s0: link becomes ready
[ 11.261163] NET: Registered protocol family 17
[ 1403.163816] usb 1-1: new full-speed USB device number 4 using xhci_hcd
[ 1403.290620] usb 1-1: config 1 interface 0 altsetting 0 endpoint 0x85 has an invalid bInterval 0, changing to 10
[ 1403.419205] cdc_acm 1-1:1.0: ttyACM0: USB ACM device
[ 1403.419495] usbcore: registered new interface driver cdc_acm
[ 1403.419496] cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters
[ 1622.934764] usb 1-1: USB disconnect, device number 4
[ 1910.536499] usb 1-1: new full-speed USB device number 5 using xhci_hcd
[ 1910.663339] usb 1-1: config 1 interface 0 altsetting 0 endpoint 0x85 has an invalid bInterval 0, changing to 10
[ 1910.665999] cdc_acm 1-1:1.0: ttyACM0: USB ACM device
[ 2559.670365] usb 1-1: USB disconnect, device number 5
[ 8109.226416] usb 1-2: new full-speed USB device number 6 using xhci_hcd
[ 8109.354037] usb 1-2: config 1 interface 0 altsetting 0 endpoint 0x85 has an invalid bInterval 0, changing to 10
[ 8109.356848] cdc_acm 1-2:1.0: ttyACM0: USB ACM device
[ 8261.898828] usb 1-1: new high-speed USB device number 7 using xhci_hcd
[ 8262.072622] usb-storage 1-1:1.0: USB Mass Storage device detected
[ 8262.073504] scsi host6: usb-storage 1-1:1.0
[ 8262.073775] usbcore: registered new interface driver usb-storage
[ 8262.083065] usbcore: registered new interface driver uas
[ 8263.078610] scsi 6:0:0:0: Direct-Access SKYMEDI USB Drive 1.00 PQ: 0 ANSI: 2
[ 8263.080894] sd 6:0:0:0: [sdb] 7825408 512-byte logical blocks: (4.01 GB/3.73 GiB)
[ 8263.084358] sd 6:0:0:0: [sdb] Write Protect is off
[ 8263.084359] sd 6:0:0:0: [sdb] Mode Sense: 23 00 00 00
[ 8263.084630] sd 6:0:0:0: [sdb] No Caching mode page found
[ 8263.084631] sd 6:0:0:0: [sdb] Assuming drive cache: write through
[ 8264.164195] sdb: sdb1
[ 8264.171916] sd 6:0:0:0: [sdb] Attached SCSI removable disk
[ 8265.449064] FAT-fs (sdb1): utf8 is not a recommended IO charset for FAT filesystems, filesystem will be case sensitive!
[ 9303.868619] usb 1-1: USB disconnect, device number 7
[ 9463.859989] usb 1-2: USB disconnect, device number 6
[ 9466.771248] usb 1-2: new full-speed USB device number 8 using xhci_hcd
[ 9466.898775] usb 1-2: config 1 interface 0 altsetting 0 endpoint 0x85 has an invalid bInterval 0, changing to 10
[ 9466.901464] cdc_acm 1-2:1.0: ttyACM0: USB ACM device
[ 9469.191680] usb 1-2: USB disconnect, device number 8
[ 9472.040466] usb 1-2: new full-speed USB device number 9 using xhci_hcd
[ 9472.167316] usb 1-2: config 1 interface 0 altsetting 0 endpoint 0x85 has an invalid bInterval 0, changing to 10
[ 9472.170550] cdc_acm 1-2:1.0: ttyACM0: USB ACM device
[ 9777.069118] usb 1-2: USB disconnect, device number 9
[ 9779.906059] usb 1-2: new full-speed USB device number 10 using xhci_hcd
[ 9780.034555] usb 1-2: config 1 interface 0 altsetting 0 endpoint 0x85 has an invalid bInterval 0, changing to 10
[ 9780.037566] cdc_acm 1-2:1.0: ttyACM0: USB ACM device
[ 9782.723584] usb 1-2: USB disconnect, device number 10
[ 9785.493305] usb 1-2: new full-speed USB device number 11 using xhci_hcd
[ 9785.619825] usb 1-2: config 1 interface 0 altsetting 0 endpoint 0x85 has an invalid bInterval 0, changing to 10
[ 9785.622696] cdc_acm 1-2:1.0: ttyACM0: USB ACM device
[ 9821.689432] usb 1-2: USB disconnect, device number 11
[ 9824.599582] usb 1-2: new full-speed USB device number 12 using xhci_hcd
[ 9824.727194] usb 1-2: config 1 interface 0 altsetting 0 endpoint 0x85 has an invalid bInterval 0, changing to 10
[ 9824.729881] cdc_acm 1-2:1.0: ttyACM0: USB ACM device
[ 9827.321163] usb 1-2: USB disconnect, device number 12
[ 9830.182793] usb 1-2: new full-speed USB device number 13 using xhci_hcd
[ 9830.310369] usb 1-2: config 1 interface 0 altsetting 0 endpoint 0x85 has an invalid bInterval 0, changing to 10
[ 9830.315958] cdc_acm 1-2:1.0: ttyACM0: USB ACM device
[ 9904.224367] usb 1-2: USB disconnect, device number 13
[ 9907.127964] usb 1-2: new full-speed USB device number 14 using xhci_hcd
[ 9907.254520] usb 1-2: config 1 interface 0 altsetting 0 endpoint 0x85 has an invalid bInterval 0, changing to 10
[ 9907.257108] cdc_acm 1-2:1.0: ttyACM0: USB ACM device
[ 9911.010494] usb 1-2: USB disconnect, device number 14
[10281.390248] usb 1-1: new full-speed USB device number 15 using xhci_hcd
[10281.517270] usb 1-1: config 1 interface 0 altsetting 0 endpoint 0x85 has an invalid bInterval 0, changing to 10
[10281.520001] cdc_acm 1-1:1.0: ttyACM0: USB ACM device
[10658.967325] EXT4-fs (sda1): recovery complete
[10658.997171] EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: errors=remount-ro
[11736.305486] usb 1-1: USB disconnect, device number 15
[11738.232396] usb 1-2: new full-speed USB device number 16 using xhci_hcd
[11738.358936] usb 1-2: config 1 interface 0 altsetting 0 endpoint 0x85 has an invalid bInterval 0, changing to 10
[11738.361490] cdc_acm 1-2:1.0: ttyACM0: USB ACM device
[12037.432120] usb 1-2: USB disconnect, device number 16
[12855.276458] systemd-sysv-generator[33831]: SysV service '/etc/rc.d/init.d/clock' lacks a native systemd unit file. Automatically generating a unit file for compatibility. Please update package to include a native systemd unit file, in order to make it more safe and robust.
[12855.276483] systemd-sysv-generator[33831]: SysV service '/etc/rc.d/init.d/haspd' lacks a native systemd unit file. Automatically generating a unit file for compatibility. Please update package to include a native systemd unit file, in order to make it more safe and robust.
[12855.277361] systemd-sysv-generator[33831]: SysV service '/etc/rc.d/init.d/haspd.outformat' lacks a native systemd unit file. Automatically generating a unit file for compatibility. Please update package to include a native systemd unit file, in order to make it more safe and robust.
[12855.282303] systemd-sysv-generator[33831]: SysV service '/etc/rc.d/init.d/pppoe' lacks a native systemd unit file. Automatically generating a unit file for compatibility. Please update package to include a native systemd unit file, in order to make it more safe and robust.
[12855.284646] systemd-sysv-generator[33831]: SysV service '/etc/rc.d/init.d/cryptdisks.functions' lacks a native systemd unit file. Automatically generating a unit file for compatibility. Please update package to include a native systemd unit file, in order to make it more safe and robust.
[12855.285386] systemd-sysv-generator[33831]: SysV service '/etc/rc.d/init.d/klnagent64' lacks a native systemd unit file. Automatically generating a unit file for compatibility. Please update package to include a native systemd unit file, in order to make it more safe and robust.
[22236.188623] perf: interrupt took too long (2505 > 2500), lowering kernel.perf_event_max_sample_rate to 79000
[50789.446982] perf: interrupt took too long (3142 > 3131), lowering kernel.perf_event_max_sample_rate to 63000
[118266.519800] perf: interrupt took too long (3934 > 3927), lowering kernel.perf_event_max_sample_rate to 50000
[237120.858408] usb 1-10: new full-speed USB device number 17 using xhci_hcd
[237120.984952] usb 1-10: config 1 interface 0 altsetting 0 endpoint 0x85 has an invalid bInterval 0, changing to 10
[237120.988039] cdc_acm 1-10:1.0: ttyACM0: USB ACM device
[237145.740771] usb 1-10: USB disconnect, device number 17
[237215.907392] usb 1-10: new full-speed USB device number 18 using xhci_hcd
[237216.034215] usb 1-10: config 1 interface 0 altsetting 0 endpoint 0x85 has an invalid bInterval 0, changing to 10
[237216.037181] cdc_acm 1-10:1.0: ttyACM0: USB ACM device
[237985.060847] usb 1-10: USB disconnect, device number 18
[239064.202600] usb 1-10: new full-speed USB device number 19 using xhci_hcd
[239064.328970] usb 1-10: config 1 interface 0 altsetting 0 endpoint 0x85 has an invalid bInterval 0, changing to 10
[239064.331766] cdc_acm 1-10:1.0: ttyACM0: USB ACM device
