I'm in trouble with modprobe from this morning. I used a command containing tee followed by a string with some options... Like this:
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echo "options rtl8723be msi=1" | sudo tee -a /etc/modprobe.d/rtl8723be.conf
wifi it's working correctly. This morning I was trying to set the internal Bluetooth adapter off in order to use the external one.
Laptop information:
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riccardo@riccardo-HP-ProBook-450-G2:~$ inxi -Fxz
System: Host: riccardo-HP-ProBook-450-G2 Kernel: 4.15.0-38-generic x86_64
bits: 64 gcc: 7.3.0
Desktop: Cinnamon 3.8.9 (Gtk 3.22.30-1ubuntu1)
Distro: Linux Mint 19 Tara
Machine: Device: laptop System: Hewlett-Packard product: HP ProBook 450 G2 v: A3009DD10303 serial: N/A
Mobo: Hewlett-Packard model: 2248 v: KBC Version 67.24 serial: N/A
BIOS: Hewlett-Packard v: M74 Ver. 01.09 date: 01/26/2015
Battery BAT0: charge: 27.9 Wh 96.5% condition: 28.9/28.9 Wh (100%)
model: Hewlett-Packard Primary status: N/A
CPU: Dual core Intel Core i7-4510U (-MT-MCP-)
arch: Haswell rev.1 cache: 4096 KB
flags: (lm nx sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx) bmips: 10375
clock speeds: max: 3100 MHz 1: 1622 MHz 2: 1389 MHz 3: 1271 MHz
4: 1349 MHz
Graphics: Card: Intel Haswell-ULT Integrated Graphics Controller
bus-ID: 00:02.0
Display Server: x11 (X.Org 1.19.6 ) driver: intel
Resolution: 1366x768@60.02hz
OpenGL: renderer: Mesa DRI Intel Haswell Mobile
version: 4.5 Mesa 18.0.5 Direct Render: Yes
Audio: Card-1 Intel 8 Series HD Audio Controller
driver: snd_hda_intel bus-ID: 00:1b.0
Card-2 Intel Haswell-ULT HD Audio Controller
driver: snd_hda_intel bus-ID: 00:03.0
Sound: Advanced Linux Sound Architecture v: k4.15.0-38-generic
Network: Card-1: Realtek RTL8111/8168/8411 PCIE Gigabit Ethernet Controller
driver: r8169 v: 2.3LK-NAPI port: 4000 bus-ID: 08:00.0
IF: enp8s0 state: down mac: <filter>
Card-2: Realtek RTL8723BE PCIe Wireless Network Adapter
driver: rtl8723be port: 3000 bus-ID: 09:00.0
IF: wlo1 state: up mac: <filter>
Drives: HDD Total Size: 380.1GB (11.2% used)
ID-1: /dev/sda model: TOSHIBA_MQ01ABD0 size: 320.1GB
ID-2: /dev/sdb model: Dogfish_SSD_60G size: 60.0GB
Partition: ID-1: / size: 55G used: 9.4G (18%) fs: ext4 dev: /dev/sdb1
ID-2: /home size: 285G used: 23G (9%) fs: ext4 dev: /dev/sda1
ID-3: swap-1 size: 9.00GB used: 0.00GB (0%)
fs: swap dev: /dev/sda2
RAID: No RAID devices: /proc/mdstat, md_mod kernel module present
Sensors: System Temperatures: cpu: 39.5C mobo: 0.0C
Fan Speeds (in rpm): cpu: N/A
Info: Processes: 225 Uptime: 29 min Memory: 1886.8/7848.9MB
Init: systemd runlevel: 5 Gcc sys: 7.3.0
Client: Shell (bash 4.4.191) inxi: 2.3.56