I am trying to downgrade Elastic Search from 7 to 6 as the application I am using only works on 6.
When I install 6 I get boosted to 7 for some reason:
{
"name" : "activecollab-v6",
"cluster_name" : "elasticsearch",
"cluster_uuid" : "D7qs_zqTTX6Rv8AiE_ioqw",
"version" : {
"number" : "7.1.0",
"build_flavor" : "default",
"build_type" : "deb",
"build_hash" : "606a173",
"build_date" : "2019-05-16T00:43:15.323135Z",
"build_snapshot" : false,
"lucene_version" : "8.0.0",
"minimum_wire_compatibility_version" : "6.8.0",
"minimum_index_compatibility_version" : "6.0.0-beta1"
},
"tagline" : "You Know, for Search"
}
How do I ensure I am downgraded? The following is my install recipe and below that is the recipe report which shows that elastic search is installed too.
# Install Elastic Search
echo ">> Installing Elastic GPG Key"
wget -qO - https://artifacts.elastic.co/GPG-KEY-elasticsearch | sudo apt-key add -
echo ">> Install apt-transport-https"
apt install apt-transport-https
echo ">> Adding deb package"
echo "deb https://artifacts.elastic.co/packages/6.x/apt stable main" | sudo tee -a /etc/apt/sources.list.d/elastic-6.x.list
echo ">> Updating apt"
apt update
echo ">> Installing Java and Elastic Search"
apt -y install default-jre elasticsearch
echo ">> Java Installed"
echo ">> Elastic Search Installed"
echo ">> Scheduling Elasticsearch"
/bin/systemctl daemon-reload
/bin/systemctl enable elasticsearch.service
echo ">> Starting Elasticsearch"
systemctl start elasticsearch.service
echo ">> Running on port 9200. Make sure to add a firewall rule if you need external access."
echo ">> You can check the status by running 'curl 'http://localhost:9200'. Note: may take a few seconds before elasticsearch is fully started."
Recipe Report
>> Installing Elastic GPG Key
Warning: apt-key output should not be parsed (stdout is not a terminal)
OK
>> Install apt-transport-https
WARNING: apt does not have a stable CLI interface. Use with caution in scripts.
Reading package lists...
Building dependency tree...
Reading state information...
apt-transport-https is already the newest version (1.6.10).
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
>> Adding deb package
deb https://artifacts.elastic.co/packages/6.x/apt stable main
>> Updating apt
WARNING: apt does not have a stable CLI interface. Use with caution in scripts.
Get:1 http://ppa.launchpad.net/chris-lea/redis-server/ubuntu bionic InRelease [15.4 kB]
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Get:8 http://ppa.launchpad.net/webupd8team/java/ubuntu bionic InRelease [15.4 kB]
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Hit:10 https://repos.sonar.digitalocean.com/apt main InRelease
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Ign:13 https://artifacts.elastic.co/packages/6.x/apt stable InRelease
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Get:19 https://artifacts.elastic.co/packages/6.x/apt stable Release.gpg [473 B]
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Get:58 https://artifacts.elastic.co/packages/6.x/apt stable/main amd64 Packages [49.1 kB]
Get:59 https://artifacts.elastic.co/packages/7.x/apt stable/main amd64 Packages [6534 B]
Fetched 32.8 MB in 8s (4196 kB/s)
Reading package lists...
Building dependency tree...
Reading state information...
7 packages can be upgraded. Run 'apt list --upgradable' to see them.
W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list.d/elastic-6.x.list:1 and /etc/apt/sources.list.d/elastic-6.x.list:2
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list.d/elastic-6.x.list:1 and /etc/apt/sources.list.d/elastic-6.x.list:2
W: Target Translations (main/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list.d/elastic-6.x.list:1 and /etc/apt/sources.list.d/elastic-6.x.list:2
W: Target CNF (main/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list.d/elastic-6.x.list:1 and /etc/apt/sources.list.d/elastic-6.x.list:2
W: Target CNF (main/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list.d/elastic-6.x.list:1 and /etc/apt/sources.list.d/elastic-6.x.list:2
W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list.d/elastic-6.x.list:1 and /etc/apt/sources.list.d/elastic-6.x.list:3
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list.d/elastic-6.x.list:1 and /etc/apt/sources.list.d/elastic-6.x.list:3
W: Target Translations (main/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list.d/elastic-6.x.list:1 and /etc/apt/sources.list.d/elastic-6.x.list:3
W: Target CNF (main/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list.d/elastic-6.x.list:1 and /etc/apt/sources.list.d/elastic-6.x.list:3
W: Target CNF (main/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list.d/elastic-6.x.list:1 and /etc/apt/sources.list.d/elastic-6.x.list:3
W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list.d/elastic-6.x.list:1 and /etc/apt/sources.list.d/elastic-6.x.list:4
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list.d/elastic-6.x.list:1 and /etc/apt/sources.list.d/elastic-6.x.list:4
W: Target Translations (main/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list.d/elastic-6.x.list:1 and /etc/apt/sources.list.d/elastic-6.x.list:4
W: Target CNF (main/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list.d/elastic-6.x.list:1 and /etc/apt/sources.list.d/elastic-6.x.list:4
W: Target CNF (main/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list.d/elastic-6.x.list:1 and /etc/apt/sources.list.d/elastic-6.x.list:4
W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list.d/elastic-6.x.list:1 and /etc/apt/sources.list.d/elastic-6.x.list:2
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list.d/elastic-6.x.list:1 and /etc/apt/sources.list.d/elastic-6.x.list:2
W: Target Translations (main/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list.d/elastic-6.x.list:1 and /etc/apt/sources.list.d/elastic-6.x.list:2
W: Target CNF (main/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list.d/elastic-6.x.list:1 and /etc/apt/sources.list.d/elastic-6.x.list:2
W: Target CNF (main/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list.d/elastic-6.x.list:1 and /etc/apt/sources.list.d/elastic-6.x.list:2
W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list.d/elastic-6.x.list:1 and /etc/apt/sources.list.d/elastic-6.x.list:3
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list.d/elastic-6.x.list:1 and /etc/apt/sources.list.d/elastic-6.x.list:3
W: Target Translations (main/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list.d/elastic-6.x.list:1 and /etc/apt/sources.list.d/elastic-6.x.list:3
W: Target CNF (main/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list.d/elastic-6.x.list:1 and /etc/apt/sources.list.d/elastic-6.x.list:3
W: Target CNF (main/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list.d/elastic-6.x.list:1 and /etc/apt/sources.list.d/elastic-6.x.list:3
W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list.d/elastic-6.x.list:1 and /etc/apt/sources.list.d/elastic-6.x.list:4
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list.d/elastic-6.x.list:1 and /etc/apt/sources.list.d/elastic-6.x.list:4
W: Target Translations (main/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list.d/elastic-6.x.list:1 and /etc/apt/sources.list.d/elastic-6.x.list:4
W: Target CNF (main/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list.d/elastic-6.x.list:1 and /etc/apt/sources.list.d/elastic-6.x.list:4
W: Target CNF (main/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list.d/elastic-6.x.list:1 and /etc/apt/sources.list.d/elastic-6.x.list:4
>> Installing Java and Elastic Search
WARNING: apt does not have a stable CLI interface. Use with caution in scripts.
Reading package lists...
Building dependency tree...
Reading state information...
default-jre is already the newest version (2:1.11-68ubuntu1~18.04.1).
The following NEW packages will be installed:
elasticsearch
0 upgraded, 1 newly installed, 0 to remove and 7 not upgraded.
Need to get 347 MB of archives.
After this operation, 572 MB of additional disk space will be used.
Get:1 https://artifacts.elastic.co/packages/7.x/apt stable/main amd64 elasticsearch amd64 7.1.0 [347 MB]
debconf: unable to initialize frontend: Dialog
debconf: (TERM is not set, so the dialog frontend is not usable.)
debconf: falling back to frontend: Readline
debconf: unable to initialize frontend: Readline
debconf: (This frontend requires a controlling tty.)
debconf: falling back to frontend: Teletype
dpkg-preconfigure: unable to re-open stdin:
Fetched 347 MB in 6s (57.1 MB/s)
Selecting previously unselected package elasticsearch.
(Reading database ...
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(Reading database ... 91269 files and directories currently installed.)
Preparing to unpack .../elasticsearch_7.1.0_amd64.deb ...
Creating elasticsearch group... OK
Creating elasticsearch user... OK
Unpacking elasticsearch (7.1.0) ...
Processing triggers for ureadahead (0.100.0-21) ...
Setting up elasticsearch (7.1.0) ...
Created elasticsearch keystore in /etc/elasticsearch
Processing triggers for systemd (237-3ubuntu10.21) ...
Processing triggers for ureadahead (0.100.0-21) ...
>> Java Installed
>> Elastic Search Installed
>> Scheduling Elasticsearch
Synchronizing state of elasticsearch.service with SysV service script with /lib/systemd/systemd-sysv-install.
Executing: /lib/systemd/systemd-sysv-install enable elasticsearch
Created symlink /etc/systemd/system/multi-user.target.wants/elasticsearch.service → /usr/lib/systemd/system/elasticsearch.service.
>> Starting Elasticsearch
>> Running on port 9200. Make sure to add a firewall rule if you need external access.
>> You can check the status by running 'curl 'http://localhost:9200'. Note: may take a few seconds before elasticsearch is fully started.
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
Update:
I can see the line Get:59 https://artifacts.elastic.co/packages/7.x/apt stable/main amd64 Packages [6534 B] in your output, so you have added both the 6.x and the 7.x repository. Remove the 7.x repo (/etc/apt/sources.list.d/elastic-7.x.list), purge, and install again.
Alternatively you could purge elasticsearch and specify the version to install: sudo apt-get install elasticsearch=6.8.0. I think this is the version number you could pick, but you can verify what is available with apt-cache policy elasticsearch.