0

Trying to install the Brave web browser, I ultimately arrive at the error, "Unable to locate package brave-browser". How should I proceed?

Here is my LXTerminal output:

username@username-Latitude-D620:~$ curl https://brave-browser-apt-release.s3.brave.com/brave-core.asc | sudo apt-key add -
[sudo] password for username: 

Command 'curl' not found, but can be installed with:

sudo apt install curl

Sorry, try again.
[sudo] password for username: 
Sorry, try again.
[sudo] password for username: 
sudo: 3 incorrect password attempts
username@username-Latitude-D620:~$ sudo apt install curl
[sudo] password for username: 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages were automatically installed and are no longer required:
  alsa-base cpp-5 evolution-data-server-online-accounts gksu gnupg-agent
  gtk3-engines-unico gvfs-bin ibus-mozc libaccounts-qt5-1 libavfilter-ffmpeg5
  libavresample-ffmpeg2 libboost-filesystem1.58.0 libboost-filesystem1.65.1
  libboost-system1.58.0 libcapnp-0.5.3 libcapnp-0.6.1 libcdio-cdda1
  libcdio-paranoia1 libcdio13 libchromaprint0 libestools2.4 libfcitx-qt0
  libgcr-3-common libgksu2-0 libglu1-mesa libgmime-2.6-0 libgnome-desktop-3-12
  libgnome2-0 libgnome2-bin libgrilo-0.2-1 libgtkglext1 libgtop-2.0-10
  libgweather-3-6 libido3-0.1-0 libisl15 libjasper1 libllvm3.8 libllvm4.0
  libllvm5.0 libmimic0 libmirclient9 libmircommon5 libmircommon7 libmircore1
  libmirprotobuf3 libmpfr4 libnm-gtk-common libopencv-calib3d2.4v5
  libopencv-contrib2.4v5 libopencv-core2.4v5 libopencv-features2d2.4v5
  libopencv-flann2.4v5 libopencv-highgui2.4v5 libopencv-imgproc2.4v5
  libopencv-legacy2.4v5 libopencv-ml2.4v5 libopencv-objdetect2.4v5
  libopencv-video2.4v5 libpoppler58 libprotobuf-lite10 libprotobuf-lite9v5
  libprotobuf9v5 libqt5opengl5 libqt5sql5 libqt5sql5-sqlite libqt5xml5
  libquvi-scripts libquvi7 librhythmbox-core9 libsignon-extension1
  libsignon-glib1 libsignon-plugins-common1 libsignon-qt5-1 libsodium18
  libsrtp0 libtbb2 libvte-common libvte9 libwebpdemux1
  libwebrtc-audio-processing-0 libwildmidi1 libxfont1 linux-headers-4.4.0-101
  linux-headers-4.4.0-101-generic linux-headers-4.4.0-112
  linux-headers-4.4.0-112-generic linux-headers-4.4.0-21
  linux-headers-4.4.0-21-generic linux-headers-4.4.0-93
  linux-headers-4.4.0-93-generic linux-headers-4.4.0-96
  linux-headers-4.4.0-96-generic linux-headers-4.4.0-97
  linux-headers-4.4.0-97-generic linux-image-4.4.0-101-generic
  linux-image-4.4.0-112-generic linux-image-4.4.0-21-generic
  linux-image-4.4.0-93-generic linux-image-4.4.0-96-generic
  linux-image-4.4.0-97-generic linux-image-extra-4.4.0-101-generic
  linux-image-extra-4.4.0-112-generic linux-image-extra-4.4.0-21-generic
  linux-image-extra-4.4.0-93-generic linux-image-extra-4.4.0-96-generic
  linux-image-extra-4.4.0-97-generic linux-sound-base lubuntu-artwork-16-04
  python-appindicator signon-plugin-password signon-ui signon-ui-service
  signon-ui-x11 signond x11-apps x11-session-utils xchat-gnome-common xinit
  xorg
Use 'sudo apt autoremove' to remove them.
The following additional packages will be installed:
  libcurl4
The following packages will be REMOVED:
  libcurl3
The following NEW packages will be installed:
  curl libcurl4
0 upgraded, 2 newly installed, 1 to remove and 0 not upgraded.
Need to get 400 kB of archives.
After this operation, 391 kB of additional disk space will be used.
Do you want to continue? [Y/n] y
Get:1 http://us.archive.ubuntu.com/ubuntu bionic-updates/main i386 libcurl4 i386 7.58.0-2ubuntu3.3 [238 kB]
Get:2 http://us.archive.ubuntu.com/ubuntu bionic-updates/main i386 curl i386 7.58.0-2ubuntu3.3 [162 kB]
Fetched 400 kB in 1s (791 kB/s)
(Reading database ... 370863 files and directories currently installed.)
Removing libcurl3:i386 (7.58.0-2ubuntu2) ...
Selecting previously unselected package libcurl4:i386.
(Reading database ... 370857 files and directories currently installed.)
Preparing to unpack .../libcurl4_7.58.0-2ubuntu3.3_i386.deb ...
Unpacking libcurl4:i386 (7.58.0-2ubuntu3.3) ...
Selecting previously unselected package curl.
Preparing to unpack .../curl_7.58.0-2ubuntu3.3_i386.deb ...
Unpacking curl (7.58.0-2ubuntu3.3) ...
Setting up libcurl4:i386 (7.58.0-2ubuntu3.3) ...
Processing triggers for libc-bin (2.27-3ubuntu1) ...
Processing triggers for man-db (2.8.3-2) ...
Setting up curl (7.58.0-2ubuntu3.3) ...
username@username-Latitude-D620:~$ curl https://brave-browser-apt-release.s3.brave.com/brave-core.asc | sudo apt-key add -
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  4715  100  4715    0     0   8946      0 --:--:-- --:--:-- --:--:--  8929
OK
username@username-Latitude-D620:~$ 
username@username-Latitude-D620:~$ echo "deb [arch=amd64] https://brave-browser-apt-release.s3.brave.com/ `lsb_release -sc` main" | sudo tee -a /etc/apt/sources.list.d/brave-browser-release-`lsb_release -sc`.list
deb [arch=amd64] https://brave-browser-apt-release.s3.brave.com/ bionic main
username@username-Latitude-D620:~$ 
username@username-Latitude-D620:~$ sudo apt update
Hit:1 http://us.archive.ubuntu.com/ubuntu bionic InRelease
Get:2 http://us.archive.ubuntu.com/ubuntu bionic-updates InRelease [88.7 kB]   
Get:3 http://us.archive.ubuntu.com/ubuntu bionic-security InRelease [83.2 kB]  
Get:4 https://brave-browser-apt-release.s3.brave.com bionic InRelease [2,825 B]
Get:5 https://brave-browser-apt-release.s3.brave.com bionic/main amd64 Packages [1,521 B]
Fetched 176 kB in 2s (114 kB/s)       
Reading package lists... Done
Building dependency tree       
Reading state information... Done
All packages are up to date.
username@username-Latitude-D620:~$ 
username@username-Latitude-D620:~$ sudo apt install brave-browser
Reading package lists... Done
Building dependency tree       
Reading state information... Done
E: Unable to locate package brave-browser
username@username-Latitude-D620:~$ curl https://brave-browser-apt-release.s3.brave.com/brave-core.asc | sudo apt-key add -
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  4715  100  4715    0     0   6371      0 --:--:-- --:--:-- --:--:--  6363
OK
username@username-Latitude-D620:~$ echo "deb [arch=amd64] https://brave-browser-apt-release.s3.brave.com/ `lsb_release -sc` main" | sudo tee -a /etc/apt/sources.list.d/brave-browser-release-`lsb_release -sc`.list
deb [arch=amd64] https://brave-browser-apt-release.s3.brave.com/ bionic main
username@username-Latitude-D620:~$ sudo apt update
Hit:1 http://us.archive.ubuntu.com/ubuntu bionic InRelease
Get:2 http://us.archive.ubuntu.com/ubuntu bionic-updates InRelease [88.7 kB]                                             
Hit:3 https://brave-browser-apt-release.s3.brave.com bionic InRelease                                                     
Get:4 http://us.archive.ubuntu.com/ubuntu bionic-security InRelease [83.2 kB]                                             
Fetched 172 kB in 1s (162 kB/s)                                
Reading package lists... Done
Building dependency tree       
Reading state information... Done
All packages are up to date.
W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list.d/brave-browser-release-bionic.list:1 and /etc/apt/sources.list.d/brave-browser-release-bionic.list:2
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list.d/brave-browser-release-bionic.list:1 and /etc/apt/sources.list.d/brave-browser-release-bionic.list:2
W: Target Translations (main/i18n/Translation-en_US) is configured multiple times in /etc/apt/sources.list.d/brave-browser-release-bionic.list:1 and /etc/apt/sources.list.d/brave-browser-release-bionic.list:2
W: Target Translations (main/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list.d/brave-browser-release-bionic.list:1 and /etc/apt/sources.list.d/brave-browser-release-bionic.list:2
W: Target DEP-11 (main/dep11/Components-i386.yml) is configured multiple times in /etc/apt/sources.list.d/brave-browser-release-bionic.list:1 and /etc/apt/sources.list.d/brave-browser-release-bionic.list:2
W: Target DEP-11 (main/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list.d/brave-browser-release-bionic.list:1 and /etc/apt/sources.list.d/brave-browser-release-bionic.list:2
W: Target DEP-11-icons-small (main/dep11/icons-48x48.tar) is configured multiple times in /etc/apt/sources.list.d/brave-browser-release-bionic.list:1 and /etc/apt/sources.list.d/brave-browser-release-bionic.list:2
W: Target DEP-11-icons (main/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list.d/brave-browser-release-bionic.list:1 and /etc/apt/sources.list.d/brave-browser-release-bionic.list:2
W: Target CNF (main/cnf/Commands-i386) is configured multiple times in /etc/apt/sources.list.d/brave-browser-release-bionic.list:1 and /etc/apt/sources.list.d/brave-browser-release-bionic.list:2
W: Target CNF (main/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list.d/brave-browser-release-bionic.list:1 and /etc/apt/sources.list.d/brave-browser-release-bionic.list:2
W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list.d/brave-browser-release-bionic.list:1 and /etc/apt/sources.list.d/brave-browser-release-bionic.list:2
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list.d/brave-browser-release-bionic.list:1 and /etc/apt/sources.list.d/brave-browser-release-bionic.list:2
W: Target Translations (main/i18n/Translation-en_US) is configured multiple times in /etc/apt/sources.list.d/brave-browser-release-bionic.list:1 and /etc/apt/sources.list.d/brave-browser-release-bionic.list:2
W: Target Translations (main/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list.d/brave-browser-release-bionic.list:1 and /etc/apt/sources.list.d/brave-browser-release-bionic.list:2
W: Target DEP-11 (main/dep11/Components-i386.yml) is configured multiple times in /etc/apt/sources.list.d/brave-browser-release-bionic.list:1 and /etc/apt/sources.list.d/brave-browser-release-bionic.list:2
W: Target DEP-11 (main/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list.d/brave-browser-release-bionic.list:1 and /etc/apt/sources.list.d/brave-browser-release-bionic.list:2
W: Target DEP-11-icons-small (main/dep11/icons-48x48.tar) is configured multiple times in /etc/apt/sources.list.d/brave-browser-release-bionic.list:1 and /etc/apt/sources.list.d/brave-browser-release-bionic.list:2
W: Target DEP-11-icons (main/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list.d/brave-browser-release-bionic.list:1 and /etc/apt/sources.list.d/brave-browser-release-bionic.list:2
W: Target CNF (main/cnf/Commands-i386) is configured multiple times in /etc/apt/sources.list.d/brave-browser-release-bionic.list:1 and /etc/apt/sources.list.d/brave-browser-release-bionic.list:2
W: Target CNF (main/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list.d/brave-browser-release-bionic.list:1 and /etc/apt/sources.list.d/brave-browser-release-bionic.list:2
username@username-Latitude-D620:~$ sudo apt install brave-browser
Reading package lists... Done
Building dependency tree       
Reading state information... Done
E: Unable to locate package brave-browser
username@username-Latitude-D620:~$ 

It may be worth noting that I had errors upgrading from lubuntu 16:

  1. Could not install 'doc-base': installed doc-base package post-installation script subprocess returned error exit status 10

  2. at the end of the upgrade, "Could not install the upgrades": The upgrade has aborted. Your system could be in an unusable state. A recovery will run now (dpkg -configure -a).

However, despite #2, the upgrade seemed to be successful, and fixed a splash page visual error: Before upgrading to lubuntu 18 LTS I installed upgrades to lubuntu 16 LTS after not using the laptop for about a year; it caused the 5-dots loading screen's dots graphic to remain after logging in. Restarting the computer after this supposedly-failed upgrade to 18, this problem was resolved.

0

for Ubuntu 18.04, run sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys <brave keys>, where <brave keys> are the ones found @ https://brave-browser.readthedocs.io/en/latest/installing-brave.html#linux at the bottom of the install instructions, and should have spaces removed.

You should verify this by going to the link and obtaining the keys from the official site, but it should be D8BAD4DE7EE17AF52A834B2D0BB75829C2D4E821 put in place of the <brave keys>.

final command should be:

sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys D8BAD4DE7EE17AF52A834B2D0BB75829C2D4E821

After adding the keys, running the code as per install instructions and you should be good to go.

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