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I was installing Debian. But, I know that I have installed wireless connection system manually in Debian.

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But, I couldn't install wireless connection while installing Debian. I had connected Ethernet although, I couldn't install it. So, I had skipped it. I downloaded iwlwifi-6000g2a-ucode-18.168.6.1.tgz from Intel Wireless connection. I had tried to some commands also

apt-get install linux-firmware
apt-get install firmware-iwlwifi

Both had returned "unable to locate package". When I had extracted wlwifi-6000g2a-ucode-18.168.6.1.tgz, I just found three files. I don't think that I can do something with them. So, how can I install wireless network in Debian.

enter image description here

I had made changes to /etc/apt/sources.list

# 

# deb cdrom:[Debian GNU/Linux 10.10.0 _Buster_ - Official amd64 NETINST 20210619-16:11]/ buster main

#deb cdrom:[Debian GNU/Linux 10.10.0 _Buster_ - Official amd64 NETINST 20210619-16:11]/ buster main

deb http://deb.debian.org/debian/ buster main contrib non-free
deb-src http://deb.debian.org/debian/ buster main contrib non-free


deb http://security.debian.org/debian-security buster/updates main contrib non-free
deb-src http://security.debian.org/debian-security buster/updates main contrib non-free

# buster-updates, previously known as 'volatile'
deb http://deb.debian.org/debian/ buster-updates main contrib non-free
deb-src http://deb.debian.org/debian/ buster-updates main contrib non-free

# This system was installed using small removable media
# (e.g. netinst, live or single CD). The matching "deb cdrom"
# entries were disabled at the end of the installation process.
# For information about how to configure apt package sources,
# see the sources.list(5) manual.

root@Istiak:/home/istiak# lspci | grep -i network
00:19.0 Ethernet controller: Intel Corporation 82579LM Gigabit Network Connection (rev 04)
03:00.0 Network controller: Intel Corporation Centrino Advanced-N 6205 [Taylor Peak] (rev 34)

I don't have modprobe also.

Softunes
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  • `firmware-iwlwifi` https://packages.debian.org/buster/firmware-iwlwifi ........ Please enable the `non-free` repo. ....https://packages.debian.org/search?searchon=names&keywords=firmware-iwlwifi – Knud Larsen Jun 27 '21 at 10:35
  • @KnudLarsen Please! check my question. I had added that.. – Softunes Jun 27 '21 at 10:46
  • @KnudLarsen Anyway, I have installed it. – Softunes Jun 27 '21 at 11:43
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    Confirm : add "contrib non-free" to deb lines in sources.list : Then no issues .... all firmware installs OK. – Knud Larsen Jun 27 '21 at 11:51
  • @KnudLarsen But, I wonder I don't have `modprobe` in system. Even, I can't install it. Why? – Softunes Jun 27 '21 at 11:52
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    Was it with Debian 9 that su changed ? ... You now have to do `su -` to use most root commands, including `modprobe` command and `apt install [package]` .https://unix.stackexchange.com/questions/7013/why-do-we-use-su-and-not-just-su – Knud Larsen Jun 27 '21 at 12:00
  • @KnudLarsen gotcha :) – Softunes Jun 27 '21 at 13:17

1 Answers1

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I had mentioned in the comment,

@Canina‭ I had updated my system also.

But, actually I had updated my system before making changes to /etc/apt/sources.list.

At first, you have make some changes to /etc/apt/sources.list. You have to add following line to every line which starts with deb (in /etc/apt/sources).

contrib non-free

Then, you have to update your system.

sudo apt-get update && apt-get upgrade

Then, install firmware-iwlwifi. (Your default user won't be sudoers, that's why you have to work as a root user su)

apt-get install firmware-iwlwifi

Then, you will have to reboot your PC.

Softunes
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