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Thread: No wifi adapter on Ubuntu 18.04.1 LTS

  1. #1
    Join Date
    Oct 2018
    Beans
    4

    No wifi adapter on Ubuntu 18.04.1 LTS

    I just installed Ubuntu on my old Macbook but the Wifi didn't work. When I check the Wifi feature it said "no wifi adapter found". I tried a lot of solutions online but none helps.

  2. #2
    Join Date
    Mar 2011
    Location
    19th Hole
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    Hidden!
    Distro
    Ubuntu 22.04 Jammy Jellyfish

    Re: No wifi adapter on Ubuntu 18.04.1 LTS

    Thread moved to Networking & Wireless as the more appropriate forum.

  3. #3
    Join Date
    Feb 2008
    Location
    Texas
    Beans
    29,809
    Distro
    Ubuntu 20.04 Focal Fossa

    Re: No wifi adapter on Ubuntu 18.04.1 LTS

    Hi, please click on the wireless script in my signature, follow the directions for running it and posting the results back here using the pastebin link created.

  4. #4
    Join Date
    Jul 2005
    Location
    I think I'm here! Maybe?
    Beans
    Hidden!
    Distro
    Xubuntu 22.04 Jammy Jellyfish

    Re: No wifi adapter on Ubuntu 18.04.1 LTS

    See Wireless-Info in my signature below and follow the instructions to run the script and report the output back here.

    Ninja'd by wildemanne39! No worries; same information, just different words.

  5. #5
    Join Date
    Oct 2018
    Beans
    4

    Re: No wifi adapter on Ubuntu 18.04.1 LTS

    The results are following:

    sudo apt update
    Err:1 http://ca.archive.ubuntu.com/ubuntu bionic InRelease
    Could not resolve 'ca.archive.ubuntu.com'
    Err:2 http://security.ubuntu.com/ubuntu bionic-security InRelease
    Could not resolve 'security.ubuntu.com'
    Err:3 http://ca.archive.ubuntu.com/ubuntu bionic-updates InRelease
    Could not resolve 'ca.archive.ubuntu.com'
    Err:4 http://ca.archive.ubuntu.com/ubuntu bionic-backports InRelease
    Could not resolve 'ca.archive.ubuntu.com'
    Reading package lists... Done
    Building dependency tree
    Reading state information... Done
    All packages are up to date.
    W: Failed to fetch http://ca.archive.ubuntu.com/ubuntu/...onic/InRelease Could not resolve 'ca.archive.ubuntu.com'
    W: Failed to fetch http://ca.archive.ubuntu.com/ubuntu/...ates/InRelease Could not resolve 'ca.archive.ubuntu.com'
    W: Failed to fetch http://ca.archive.ubuntu.com/ubuntu/...orts/InRelease Could not resolve 'ca.archive.ubuntu.com'
    W: Failed to fetch http://security.ubuntu.com/ubuntu/di...rity/InRelease Could not resolve 'security.ubuntu.com'
    W: Some index files failed to download. They have been ignored, or old ones used instead.




    sudo apt dist-update
    E: Invalid operation dist-update


    sudo apt install pastebinit
    Reading package lists... Done
    Building dependency tree
    Reading state information... Done
    E: Unable to locate package pastebinit

  6. #6
    Join Date
    Oct 2018
    Beans
    4

    Re: No wifi adapter on Ubuntu 18.04.1 LTS

    I run your script



    Code:
    ########## wireless info START ##########
    
    
    Report from: 12 Oct 2018 10:30 PDT -0700
    
    
    Booted last: 12 Oct 2018 00:00 PDT -0700
    
    
    Script from: 06 Oct 2018 06:16 UTC +0000
    
    
    ##### release ###########################
    
    
    Distributor ID:	Ubuntu
    Description:	Ubuntu 18.04.1 LTS
    Release:	18.04
    Codename:	bionic
    
    
    ##### kernel ############################
    
    
    Linux 4.15.0-29-generic #31-Ubuntu SMP Tue Jul 17 15:39:52 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
    
    
    Parameters: ro, quiet, splash, vt.handoff=1
    
    
    ##### desktop ###########################
    
    
    Ubuntu
    
    
    ##### lspci #############################
    
    
    03:00.0 Network controller [0280]: Broadcom Limited BCM4360 802.11ac Wireless Network Adapter [14e4:43a0] (rev 03)
    	Subsystem: Apple Inc. BCM4360 802.11ac Wireless Network Adapter [106b:0117]
    	Kernel driver in use: bcma-pci-bridge
    
    
    ##### lsusb #############################
    
    
    Bus 002 Device 002: ID 05ac:8406 Apple, Inc. 
    Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
    Bus 001 Device 004: ID 05ac:0291 Apple, Inc. 
    Bus 001 Device 007: ID 05ac:828f Apple, Inc. 
    Bus 001 Device 003: ID 0a5c:4500 Broadcom Corp. BCM2046B1 USB 2.0 Hub (part of BCM2046 Bluetooth)
    Bus 001 Device 013: ID 0781:556b SanDisk Corp. 
    Bus 001 Device 010: ID 248a:8514  
    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    
    
    ##### PCMCIA card info ##################
    
    
    ##### rfkill ############################
    
    
    0: hci0: Bluetooth
    	Soft blocked: no
    	Hard blocked: no
    
    
    ##### secure boot #######################
    
    
    This system does't support Secure Boot
    
    
    ##### lsmod #############################
    
    
    b43                   413696  0
    mac80211              778240  1 b43
    cfg80211              622592  2 b43,mac80211
    ssb                    57344  1 b43
    bcma                   57344  1 b43
    
    
    ##### interfaces ########################
    
    
    [/etc/network/interfaces]
    auto lo
    iface lo inet loopback
    
    
    ##### ifconfig ##########################
    
    
    1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
        link/loopback <MAC address> brd 00:00:00:00:00:00
        inet 127.0.0.1/8 scope host lo
           valid_lft forever preferred_lft forever
        inet6 ::1/128 scope host 
           valid_lft forever preferred_lft forever
    
    
    ##### iwconfig ##########################
    
    
    lo        no wireless extensions.
    
    
    ##### route #############################
    
    
    ##### resolv.conf #######################
    
    
    [777 root '/etc/resolv.conf' -> '../run/systemd/resolve/stub-resolv.conf']
    
    
    nameserver 127.0.0.53
    
    
    ##### network managers ##################
    
    
    Installed:
    
    
    	NetworkManager
    
    
    Running:
    
    
    root       685     1  0 Oct10 ?        00:00:00 /usr/sbin/NetworkManager --no-daemon
    
    
    ##### NetworkManager info ###############
    
    
    ##### NetworkManager.state ##############
    
    
    [main]
    NetworkingEnabled=true
    WirelessEnabled=true
    WWANEnabled=true
    
    
    ##### NetworkManager config #############
    
    
    [[/etc/NetworkManager/conf.d/default-wifi-powersave-on.conf]]
    [connection]
    wifi.powersave = 3
    
    
    [[/etc/NetworkManager/NetworkManager.conf]]
    [main]
    plugins=ifupdown,keyfile
    [ifupdown]
    managed=false
    [device]
    wifi.scan-rand-mac-address=no
    
    
    [[/usr/lib/NetworkManager/conf.d/10-dns-resolved.conf]]
    [main]
    dns=systemd-resolved
    
    
    [[/usr/lib/NetworkManager/conf.d/10-globally-managed-devices.conf]]
    [keyfile]
    unmanaged-devices=*,except:type:wifi,except:type:wwan
    
    
    [[/usr/lib/NetworkManager/conf.d/20-connectivity-ubuntu.conf]]
    [connectivity]
    uri=http://connectivity-check.ubuntu.com/
    
    
    [[/usr/lib/NetworkManager/conf.d/no-mac-addr-change.conf]]
    [device-mac-addr-change-wifi]
    match-device=driver:rtl8723bs,driver:rtl8189es,driver:r8188eu,driver:8188eu,driver:eagle_sdio,driver:wl
    wifi.scan-rand-mac-address=no
    wifi.cloned-mac-address=preserve
    ethernet.cloned-mac-address=preserve
    
    
    ##### NetworkManager profiles ###########
    
    
    ##### Netplan config ####################
    
    
    [/etc/netplan/01-network-manager-all.yaml]
    network:
      version: 2
      renderer: NetworkManager
    
    
    ##### iw reg get ########################
    
    
    Region: America/Vancouver (based on set time zone)
    
    
    global
    country 00: DFS-UNSET
    	(2402 - 2472 @ 40), (N/A, 20), (N/A)
    	(2457 - 2482 @ 20), (N/A, 20), (N/A), AUTO-BW, PASSIVE-SCAN
    	(2474 - 2494 @ 20), (N/A, 20), (N/A), NO-OFDM, PASSIVE-SCAN
    	(5170 - 5250 @ 80), (N/A, 20), (N/A), AUTO-BW, PASSIVE-SCAN
    	(5250 - 5330 @ 80), (N/A, 20), (0 ms), DFS, AUTO-BW, PASSIVE-SCAN
    	(5490 - 5730 @ 160), (N/A, 20), (0 ms), DFS, PASSIVE-SCAN
    	(5735 - 5835 @ 80), (N/A, 20), (N/A), PASSIVE-SCAN
    	(57240 - 63720 @ 2160), (N/A, 0), (N/A)
    
    
    ##### iwlist channels ###################
    
    
    lo        no frequency information.
    
    
    ##### iwlist scan #######################
    
    
    lo        Interface doesn't support scanning.
    
    
    ##### module infos ######################
    
    
    [b43]
    filename:       /lib/modules/4.15.0-29-generic/kernel/drivers/net/wireless/broadcom/b43/b43.ko
    firmware:       b43/ucode9.fw
    firmware:       b43/ucode42.fw
    firmware:       b43/ucode40.fw
    firmware:       b43/ucode5.fw
    firmware:       b43/ucode30_mimo.fw
    firmware:       b43/ucode33_lcn40.fw
    firmware:       b43/ucode29_mimo.fw
    firmware:       b43/ucode26_mimo.fw
    firmware:       b43/ucode25_mimo.fw
    firmware:       b43/ucode25_lcn.fw
    firmware:       b43/ucode24_lcn.fw
    firmware:       b43/ucode16_mimo.fw
    firmware:       b43/ucode16_lp.fw
    firmware:       b43/ucode15.fw
    firmware:       b43/ucode14.fw
    firmware:       b43/ucode13.fw
    firmware:       b43/ucode11.fw
    license:        GPL
    author:         Rafał Miłecki
    author:         Gábor Stefanik
    author:         Michael Buesch
    author:         Stefano Brivio
    author:         Martin Langer
    description:    Broadcom B43 wireless driver
    srcversion:     9F0109CA3DBCBC74B77ACE8
    depends:        mac80211,ssb,bcma,cfg80211
    retpoline:      Y
    intree:         Y
    name:           b43
    vermagic:       4.15.0-29-generic SMP mod_unload 
    signat:         PKCS#7
    signer:         
    sig_key:        
    sig_hashalgo:   md4
    parm:           bad_frames_preempt:enable(1) / disable(0) Bad Frames Preemption (int)
    parm:           fwpostfix:Postfix for the .fw files to load. (string)
    parm:           hwpctl:Enable hardware-side power control (default off) (int)
    parm:           nohwcrypt:Disable hardware encryption. (int)
    parm:           hwtkip:Enable hardware tkip. (int)
    parm:           qos:Enable QOS support (default on) (int)
    parm:           btcoex:Enable Bluetooth coexistence (default on) (int)
    parm:           verbose:Log message verbosity: 0=error, 1=warn, 2=info(default), 3=debug (int)
    parm:           pio:Use PIO accesses by default: 0=DMA, 1=PIO (int)
    parm:           allhwsupport:Enable support for all hardware (even it if overlaps with the brcmsmac driver) (int)
    
    
    [mac80211]
    filename:       /lib/modules/4.15.0-29-generic/kernel/net/mac80211/mac80211.ko
    license:        GPL
    description:    IEEE 802.11 subsystem
    srcversion:     1CEA5CF286EDB289C1D0BF8
    depends:        cfg80211
    retpoline:      Y
    intree:         Y
    name:           mac80211
    vermagic:       4.15.0-29-generic SMP mod_unload 
    signat:         PKCS#7
    signer:         
    sig_key:        
    sig_hashalgo:   md4
    parm:           minstrel_vht_only:Use only VHT rates when VHT is supported by sta. (bool)
    parm:           max_nullfunc_tries:Maximum nullfunc tx tries before disconnecting (reason 4). (int)
    parm:           max_probe_tries:Maximum probe tries before disconnecting (reason 4). (int)
    parm:           beacon_loss_count:Number of beacon intervals before we decide beacon was lost. (int)
    parm:           probe_wait_ms:Maximum time(ms) to wait for probe response before disconnecting (reason 4). (int)
    parm:           ieee80211_default_rc_algo:Default rate control algorithm for mac80211 to use (charp)
    
    
    [cfg80211]
    filename:       /lib/modules/4.15.0-29-generic/kernel/net/wireless/cfg80211.ko
    description:    wireless configuration support
    license:        GPL
    author:         Johannes Berg
    srcversion:     D5B0789D4C423C81CCFB437
    depends:        
    retpoline:      Y
    intree:         Y
    name:           cfg80211
    vermagic:       4.15.0-29-generic SMP mod_unload 
    signat:         PKCS#7
    signer:         
    sig_key:        
    sig_hashalgo:   md4
    parm:           bss_entries_limit:limit to number of scan BSS entries (per wiphy, default 1000) (int)
    parm:           ieee80211_regdom:IEEE 802.11 regulatory domain code (charp)
    parm:           cfg80211_disable_40mhz_24ghz:Disable 40MHz support in the 2.4GHz band (bool)
    
    
    [ssb]
    filename:       /lib/modules/4.15.0-29-generic/kernel/drivers/ssb/ssb.ko
    license:        GPL
    description:    Sonics Silicon Backplane driver
    srcversion:     12D8BAB8F43573B88998E25
    depends:        
    retpoline:      Y
    intree:         Y
    name:           ssb
    vermagic:       4.15.0-29-generic SMP mod_unload 
    signat:         PKCS#7
    signer:         
    sig_key:        
    sig_hashalgo:   md4
    
    
    [bcma]
    filename:       /lib/modules/4.15.0-29-generic/kernel/drivers/bcma/bcma.ko
    license:        GPL
    description:    Broadcom's specific AMBA driver
    srcversion:     F4DB57748318105D28C557A
    depends:        
    retpoline:      Y
    intree:         Y
    name:           bcma
    vermagic:       4.15.0-29-generic SMP mod_unload 
    signat:         PKCS#7
    signer:         
    sig_key:        
    sig_hashalgo:   md4
    
    
    ##### module parameters #################
    
    
    [b43]
    allhwsupport: 0
    bad_frames_preempt: 0
    btcoex: 1
    hwpctl: 0
    hwtkip: 0
    nohwcrypt: 0
    pio: 0
    qos: 1
    verbose: 2
    
    
    [mac80211]
    beacon_loss_count: 7
    ieee80211_default_rc_algo: minstrel_ht
    max_nullfunc_tries: 2
    max_probe_tries: 5
    minstrel_vht_only: Y
    probe_wait_ms: 500
    
    
    [cfg80211]
    bss_entries_limit: 1000
    cfg80211_disable_40mhz_24ghz: N
    ieee80211_regdom: 00
    
    
    ##### /etc/modules ######################
    
    
    ##### modprobe options ##################
    
    
    [/etc/modprobe.d/amd64-microcode-blacklist.conf]
    blacklist microcode
    
    
    [/etc/modprobe.d/blacklist-ath_pci.conf]
    blacklist ath_pci
    
    
    [/etc/modprobe.d/blacklist.conf]
    blacklist evbug
    blacklist usbmouse
    blacklist usbkbd
    blacklist eepro100
    blacklist de4x5
    blacklist eth1394
    blacklist snd_intel8x0m
    blacklist snd_aw2
    blacklist i2c_i801
    blacklist prism54
    blacklist bcm43xx
    blacklist garmin_gps
    blacklist asus_acpi
    blacklist snd_pcsp
    blacklist pcspkr
    blacklist amd76x_edac
    
    
    [/etc/modprobe.d/blacklist-rare-network.conf]
    alias net-pf-3 off
    alias net-pf-6 off
    alias net-pf-9 off
    alias net-pf-11 off
    alias net-pf-12 off
    alias net-pf-19 off
    alias net-pf-21 off
    alias net-pf-36 off
    
    
    [/etc/modprobe.d/intel-microcode-blacklist.conf]
    blacklist microcode
    
    
    [/etc/modprobe.d/iwlwifi.conf]
    remove iwlwifi \
    (/sbin/lsmod | grep -o -e ^iwlmvm -e ^iwldvm -e ^iwlwifi | xargs /sbin/rmmod) \
    && /sbin/modprobe -r mac80211
    
    
    ##### rc.local ##########################
    
    
    grep: /etc/rc.local: No such file or directory
    
    
    ##### pm-utils ##########################
    
    
    ##### udev rules ########################
    
    
    ##### dmesg #############################
    
    
    ########## wireless info END ############
    Last edited by jeremy31; October 12th, 2018 at 09:39 PM. Reason: Code tags.

  7. #7
    Join Date
    Feb 2008
    Location
    Texas
    Beans
    29,809
    Distro
    Ubuntu 20.04 Focal Fossa

    Re: No wifi adapter on Ubuntu 18.04.1 LTS

    Please do:
    Code:
    sudo apt purge --remove firmware-b43-installer
    sudo apt install bcmwl-kernel-source
    Reboot and let us know if you can connect.

    Thanks

  8. #8
    Join Date
    Oct 2018
    Beans
    8

    Re: No wifi adapter on Ubuntu 18.04.1 LTS

    Hello, I do face similar issue[ubuntu 18.04 and hp 15-dy0004au, AMD Ryzen 3]
    and the output from the script is as follows

    Code:
    ########## wireless info START ##########
    
    Report from: 13 Oct 2018 03:18 IST +0530
    
    Booted last: 13 Oct 2018 00:00 IST +0530
    
    Script from: 06 Oct 2018 06:16 UTC +0000
    
    ##### release ###########################
    
    Distributor ID:    Ubuntu
    Description:    Ubuntu 18.04.1 LTS
    Release:    18.04
    Codename:    bionic
    
    ##### kernel ############################
    
    Linux 4.15.0-36-generic #39-Ubuntu SMP Mon Sep 24 16:19:09 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
    
    Parameters: ro, quiet, splash, vt.handoff=1
    
    ##### desktop ###########################
    
    Ubuntu
    
    ##### lspci #############################
    
    libkmod: ERROR ../libkmod/libkmod-config.c:656 kmod_config_parse: /etc/modprobe.d/iwlwifi.conf line 8: ignoring bad line starting with '“options'
    
    02:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 15)
        Subsystem: Hewlett-Packard Company RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [103c:84ae]
        Kernel driver in use: r8169
    
    03:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. Device [10ec:d723]
        Subsystem: Hewlett-Packard Company Device [103c:8319]
    
    04:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Vega [Radeon Vega 8 Mobile] [1002:15dd] (rev c5)
    
    ##### lsusb #############################
    
    Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
    Bus 003 Device 005: ID 0bda:b009 Realtek Semiconductor Corp. 
    Bus 003 Device 004: ID 04ca:7092 Lite-On Technology Corp. 
    Bus 003 Device 003: ID 05e3:0608 Genesys Logic, Inc. Hub
    Bus 003 Device 002: ID 174c:1351 ASMedia Technology Inc. 
    Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    
    ##### PCMCIA card info ##################
    
    ##### rfkill ############################
    
    0: hci0: Bluetooth
        Soft blocked: no
        Hard blocked: no
    
    ##### secure boot #######################
    
    SecureBoot disabled
    
    ##### lsmod #############################
    
    hp_wmi                 16384  0
    sparse_keymap          16384  1 hp_wmi
    wmi_bmof               16384  0
    wmi                    24576  2 wmi_bmof,hp_wmi
    
    ##### interfaces ########################
    
    [/etc/network/interfaces]
    auto lo
    iface lo inet loopback
    
    ##### ifconfig ##########################
    
    1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
        link/loopback <MAC address> brd 00:00:00:00:00:00
        inet 127.0.0.1/8 scope host lo
           valid_lft forever preferred_lft forever
        inet6 ::1/128 scope host 
           valid_lft forever preferred_lft forever
    2: eno1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
        link/ether <MAC 'eno1' [IF1]> brd <MAC address>
        inet 49.205.231.132/19 brd 49.205.255.255 scope global dynamic noprefixroute eno1
           valid_lft 42467sec preferred_lft 42467sec
        inet6 fe80::aeba:1c6e:7b2c:2024/64 scope link noprefixroute 
           valid_lft forever preferred_lft forever
    
    ##### iwconfig ##########################
    
    lo        no wireless extensions.
    
    eno1      no wireless extensions.
    
    ##### route #############################
    
    default via 49.205.224.1 dev eno1 proto dhcp metric 100 
    49.205.224.0/19 dev eno1 proto kernel scope link src 49.205.231.132 metric 100 
    169.254.0.0/16 dev eno1 scope link metric 1000 
    
    ##### resolv.conf #######################
    
    [777 root '/etc/resolv.conf' -> '../run/systemd/resolve/stub-resolv.conf']
    
    nameserver 127.0.0.53
    search acttv.in
    
    ##### network managers ##################
    
    Installed:
    
        NetworkManager
    
    Running:
    
    root       695     1  0 03:06 ?        00:00:00 /usr/sbin/NetworkManager --no-daemon
    
    ##### NetworkManager info ###############
    
    GENERAL.DEVICE:                         eno1
    GENERAL.TYPE:                           ethernet
    GENERAL.NM-TYPE:                        NMDeviceEthernet
    GENERAL.VENDOR:                         Realtek Semiconductor Co., Ltd.
    GENERAL.PRODUCT:                        RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
    GENERAL.DRIVER:                         r8169
    GENERAL.DRIVER-VERSION:                 2.3LK-NAPI
    GENERAL.FIRMWARE-VERSION:               --
    GENERAL.HWADDR:                         <MAC 'eno1' [IF1]>
    GENERAL.MTU:                            1500
    GENERAL.STATE:                          100 (connected)
    GENERAL.REASON:                         0 (No reason given)
    GENERAL.UDI:                            /sys/devices/pci0000:00/0000:00:01.2/0000:02:00.0/net/eno1
    GENERAL.IP-IFACE:                       eno1
    GENERAL.IS-SOFTWARE:                    no
    GENERAL.NM-MANAGED:                     yes
    GENERAL.AUTOCONNECT:                    yes
    GENERAL.FIRMWARE-MISSING:               no
    GENERAL.NM-PLUGIN-MISSING:              no
    GENERAL.PHYS-PORT-ID:                   --
    GENERAL.CONNECTION:                     Wired connection 1
    GENERAL.CON-UUID:                       027fc2cc-51fa-3cac-af44-bd09bfc8b6fe
    GENERAL.CON-PATH:                       /org/freedesktop/NetworkManager/ActiveConnection/1
    GENERAL.METERED:                        no (guessed)
    CAPABILITIES.CARRIER-DETECT:            yes
    CAPABILITIES.SPEED:                     100 Mb/s
    CAPABILITIES.IS-SOFTWARE:               no
    CAPABILITIES.SRIOV:                     no
    WIRED-PROPERTIES.CARRIER:               on
    IP4.ADDRESS[1]:                         49.205.231.132/19
    IP4.GATEWAY:                            49.205.224.1
    IP4.ROUTE[1]:                           dst = 0.0.0.0/0, nh = 49.205.224.1, mt = 100
    IP4.ROUTE[2]:                           dst = 49.205.224.0/19, nh = 0.0.0.0, mt = 100
    IP4.ROUTE[3]:                           dst = 169.254.0.0/16, nh = 0.0.0.0, mt = 1000
    IP4.DNS[1]:                             8.8.8.8
    IP4.DNS[2]:                             49.207.41.243
    IP4.DOMAIN[1]:                          acttv.in
    DHCP4.OPTION[1]:                        network_number = 49.205.224.0
    DHCP4.OPTION[2]:                        requested_domain_search = 1
    DHCP4.OPTION[3]:                        requested_rfc3442_classless_static_routes = 1
    DHCP4.OPTION[4]:                        requested_broadcast_address = 1
    DHCP4.OPTION[5]:                        requested_domain_name = 1
    DHCP4.OPTION[6]:                        routers = 49.205.224.1
    DHCP4.OPTION[7]:                        requested_time_offset = 1
    DHCP4.OPTION[8]:                        requested_netbios_scope = 1
    DHCP4.OPTION[9]:                        expiry = 1539423375
    DHCP4.OPTION[10]:                       next_server = 0.0.0.0
    DHCP4.OPTION[11]:                       broadcast_address = 49.205.255.255
    DHCP4.OPTION[12]:                       dhcp_message_type = 5
    DHCP4.OPTION[13]:                       requested_subnet_mask = 1
    DHCP4.OPTION[14]:                       dhcp_lease_time = 43200
    DHCP4.OPTION[15]:                       ip_address = 49.205.231.132
    DHCP4.OPTION[16]:                       domain_name = acttv.in
    DHCP4.OPTION[17]:                       requested_domain_name_servers = 1
    DHCP4.OPTION[18]:                       requested_static_routes = 1
    DHCP4.OPTION[19]:                       subnet_mask = 255.255.224.0
    DHCP4.OPTION[20]:                       requested_ms_classless_static_routes = 1
    DHCP4.OPTION[21]:                       requested_ntp_servers = 1
    DHCP4.OPTION[22]:                       requested_wpad = 1
    DHCP4.OPTION[23]:                       requested_netbios_name_servers = 1
    DHCP4.OPTION[24]:                       domain_name_servers = 8.8.8.8 49.207.41.243
    DHCP4.OPTION[25]:                       requested_routers = 1
    DHCP4.OPTION[26]:                       requested_interface_mtu = 1
    DHCP4.OPTION[27]:                       requested_host_name = 1
    DHCP4.OPTION[28]:                       dhcp_server_identifier = 49.205.224.1
    IP6.ADDRESS[1]:                         fe80::aeba:1c6e:7b2c:2024/64
    IP6.GATEWAY:                            --
    IP6.ROUTE[1]:                           dst = ff00::/8, nh = ::, mt = 256, table=255
    IP6.ROUTE[2]:                           dst = fe80::/64, nh = ::, mt = 256
    IP6.ROUTE[3]:                           dst = fe80::/64, nh = ::, mt = 100
    CONNECTIONS.AVAILABLE-CONNECTION-PATHS: /org/freedesktop/NetworkManager/Settings/{1}
    CONNECTIONS.AVAILABLE-CONNECTIONS[1]:   027fc2cc-51fa-3cac-af44-bd09bfc8b6fe | Wired connection 1
    
    ##### NetworkManager.state ##############
    
    [main]
    NetworkingEnabled=true
    WirelessEnabled=true
    WWANEnabled=true
    
    ##### NetworkManager config #############
    
    [[/etc/NetworkManager/conf.d/default-wifi-powersave-on.conf]]
    [connection]
    wifi.powersave = 3
    
    [[/etc/NetworkManager/NetworkManager.conf]]
    [main]
    plugins=ifupdown,keyfile
    [ifupdown]
    managed=false
    [device]
    wifi.scan-rand-mac-address=no
    
    [[/usr/lib/NetworkManager/conf.d/10-dns-resolved.conf]]
    [main]
    dns=systemd-resolved
    
    [[/usr/lib/NetworkManager/conf.d/10-globally-managed-devices.conf]]
    [keyfile]
    unmanaged-devices=*,except:type:wifi,except:type:wwan
    
    [[/usr/lib/NetworkManager/conf.d/20-connectivity-ubuntu.conf]]
    [connectivity]
    uri=http://connectivity-check.ubuntu.com/
    
    [[/usr/lib/NetworkManager/conf.d/no-mac-addr-change.conf]]
    [device-mac-addr-change-wifi]
    match-device=driver:rtl8723bs,driver:rtl8189es,driver:r8188eu,driver:8188eu,driver:eagle_sdio,driver:wl
    wifi.scan-rand-mac-address=no
    wifi.cloned-mac-address=preserve
    ethernet.cloned-mac-address=preserve
    
    ##### NetworkManager profiles ###########
    
    ##### Netplan config ####################
    
    [/etc/netplan/01-network-manager-all.yaml]
    network:
      version: 2
      renderer: NetworkManager
    
    ##### iw reg get ########################
    
    Region: Asia/Kolkata (based on set time zone)
    
    global
    country 00: DFS-UNSET
        (2402 - 2472 @ 40), (6, 20), (N/A)
        (2457 - 2482 @ 20), (6, 20), (N/A), AUTO-BW, PASSIVE-SCAN
        (2474 - 2494 @ 20), (6, 20), (N/A), NO-OFDM, PASSIVE-SCAN
        (5170 - 5250 @ 80), (6, 20), (N/A), AUTO-BW, PASSIVE-SCAN
        (5250 - 5330 @ 80), (6, 20), (0 ms), DFS, AUTO-BW, PASSIVE-SCAN
        (5490 - 5730 @ 160), (6, 20), (0 ms), DFS, PASSIVE-SCAN
        (5735 - 5835 @ 80), (6, 20), (N/A), PASSIVE-SCAN
        (57240 - 63720 @ 2160), (N/A, 0), (N/A)
    
    ##### iwlist channels ###################
    
    lo        no frequency information.
    
    eno1      no frequency information.
    
    ##### iwlist scan #######################
    
    lo        Interface doesn't support scanning.
    
    eno1      Interface doesn't support scanning.
    
    ##### module infos ######################
    
    ##### module parameters #################
    
    ##### /etc/modules ######################
    
    ##### modprobe options ##################
    
    [/etc/modprobe.d/amd64-microcode-blacklist.conf]
    blacklist microcode
    
    [/etc/modprobe.d/blacklist-ath_pci.conf]
    blacklist ath_pci
    
    [/etc/modprobe.d/blacklist.conf]
    blacklist evbug
    blacklist usbmouse
    blacklist usbkbd
    blacklist eepro100
    blacklist de4x5
    blacklist eth1394
    blacklist snd_intel8x0m
    blacklist snd_aw2
    blacklist i2c_i801
    blacklist prism54
    blacklist bcm43xx
    blacklist garmin_gps
    blacklist asus_acpi
    blacklist snd_pcsp
    blacklist pcspkr
    blacklist amd76x_edac
    
    [/etc/modprobe.d/blacklist-rare-network.conf]
    alias net-pf-3 off
    alias net-pf-6 off
    alias net-pf-9 off
    alias net-pf-11 off
    alias net-pf-12 off
    alias net-pf-19 off
    alias net-pf-21 off
    alias net-pf-36 off
    
    [/etc/modprobe.d/intel-microcode-blacklist.conf]
    blacklist microcode
    
    [/etc/modprobe.d/iwlwifi.conf]
    remove iwlwifi \
    (/sbin/lsmod | grep -o -e ^iwlmvm -e ^iwldvm -e ^iwlwifi | xargs /sbin/rmmod) \
    && /sbin/modprobe -r mac80211
    “options iwlwifi disable_msix=1”
    
    ##### rc.local ##########################
    
    grep: /etc/rc.local: No such file or directory
    
    ##### pm-utils ##########################
    
    ##### udev rules ########################
    
    ##### dmesg #############################
    
    [   32.608381] IPv6: ADDRCONF(NETDEV_UP): eno1: link is not ready
    [   32.706672] r8169 0000:02:00.0 eno1: link down
    [   32.706793] IPv6: ADDRCONF(NETDEV_UP): eno1: link is not ready
    [   38.300000] r8169 0000:02:00.0 eno1: link up
    [   38.300019] IPv6: ADDRCONF(NETDEV_CHANGE): eno1: link becomes ready
    [  773.415752] iwlwifi-stack-public:master:7299:2c6dbf84
    
    ########## wireless info END ############
    Last edited by wildmanne39; October 12th, 2018 at 11:33 PM. Reason: Added code tags

  9. #9
    Join Date
    Feb 2008
    Location
    Texas
    Beans
    29,809
    Distro
    Ubuntu 20.04 Focal Fossa

    Re: No wifi adapter on Ubuntu 18.04.1 LTS

    Hello and welcome to the forum phanidhar2, please start your own thread and do not post for help in someone else's thread it gets confusing and neither one of you will get the quality of help you deserve, your issue is not even close to being the same issue the OP has even though it may seem that way from the title.

    Please use code tags - if you are using New Reply button - highlight text and use the # button in the text box header.

    If using Quick Reply then [code] at the beginning and [/code] at the end.

  10. #10
    Join Date
    Oct 2018
    Beans
    4

    Re: No wifi adapter on Ubuntu 18.04.1 LTS

    Hi I tried to run the code

    nicolas@nicolas-lam:~$ sudo apt purge --remove firmware-b43-installer
    [sudo] password for nicolas:
    Reading package lists... Done
    Building dependency tree
    Reading state information... Done
    E: Unable to locate package firmware-b43-installer


    nicolas@nicolas-lam:~$ sudo apt install bcmwl-kernel-source
    Reading package lists... Done
    Building dependency tree
    Reading state information... Done
    E: Unable to locate package bcmwl-kernel-source

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