cassandra

vi /etc/yum.repos.d/cassandra.repo

[cassandra]
name=Apache Cassandra
baseurl=https://www.apache.org/dist/cassandra/redhat/311x/
gpgcheck=1
repo_gpgcheck=1
gpgkey=https://www.apache.org/dist/cassandra/KEYS

[root@worker mydjango]#  yum install cassandra
Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
 * base: mirrors.praction.in
 * centos-sclo-rh: mirrors.praction.in
 * centos-sclo-sclo: mirrors.praction.in
 * extras: mirrors.praction.in
 * updates: mirrors.praction.in
cassandra/signature                                      |  833 B     00:00     
Retrieving key from https://www.apache.org/dist/cassandra/KEYS
Importing GPG key 0xF2833C93:
 Userid     : "Eric Evans <eevans@sym-link.com>"
 Fingerprint: cec8 6bb4 a0ba 9d0f 9039 7cae f835 8fa2 f283 3c93
 From       : https://www.apache.org/dist/cassandra/KEYS
Is this ok [y/N]: y
cassandra/signature                                      | 2.9 kB     00:05 !!! 
cassandra/primary_db                                       | 4.2 kB   00:01     
Resolving Dependencies
--> Running transaction check
---> Package cassandra.noarch 0:3.11.5-1 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

================================================================================
 Package            Arch            Version            Repository          Size
================================================================================
Installing:
 cassandra          noarch          3.11.5-1           cassandra           28 M

Transaction Summary
================================================================================
Install  1 Package

Total download size: 28 M
Installed size: 38 M
Is this ok [y/d/N]: y
Downloading packages:
warning: /var/cache/yum/x86_64/7/cassandra/packages/cassandra-3.11.5-1.noarch.rpm: Header V4 RSA/SHA256 Signature, key ID fe4b2bda: NOKEY
Public key for cassandra-3.11.5-1.noarch.rpm is not installed
cassandra-3.11.5-1.noarch.rpm                              |  28 MB   00:13     
Retrieving key from https://www.apache.org/dist/cassandra/KEYS
Importing GPG key 0xF2833C93:
 Userid     : "Eric Evans <eevans@sym-link.com>"
 Fingerprint: cec8 6bb4 a0ba 9d0f 9039 7cae f835 8fa2 f283 3c93
 From       : https://www.apache.org/dist/cassandra/KEYS
Is this ok [y/N]: y
Importing GPG key 0x8D77295D:
 Userid     : "Eric Evans <eevans@sym-link.com>"
 Fingerprint: c496 5ee9 e301 5d19 2ccc f2b6 f758 ce31 8d77 295d
 From       : https://www.apache.org/dist/cassandra/KEYS
Is this ok [y/N]: y
Importing GPG key 0x2B5C1B00:
 Userid     : "Sylvain Lebresne (pcmanus) <sylvain@datastax.com>"
 Fingerprint: 5aed 1bf3 78e9 a19d ade1 bcb3 4bd7 36a8 2b5c 1b00
 From       : https://www.apache.org/dist/cassandra/KEYS
Is this ok [y/N]: y
Importing GPG key 0x0353B12C:
 Userid     : "T Jake Luciani <jake@apache.org>"
 Fingerprint: 514a 2ad6 31a5 7a16 dd00 47ec 749d 6eec 0353 b12c
 From       : https://www.apache.org/dist/cassandra/KEYS
Is this ok [y/N]: y
Importing GPG key 0xFE4B2BDA:
 Userid     : "Michael Shuler <michael@pbandjelly.org>"
 Fingerprint: a26e 528b 271f 19b9 e5d8 e19e a278 b781 fe4b 2bda
 From       : https://www.apache.org/dist/cassandra/KEYS
Is this ok [y/N]: y
Importing GPG key 0xB21C125C:
 Userid     : "Mick Semb Wever <mick@semb.wever.org>"
 Fingerprint: abcd 3108 336f 7cc6 567e 769f fdd3 b769 b21c 125c
 From       : https://www.apache.org/dist/cassandra/KEYS
Is this ok [y/N]: y
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
  Installing : cassandra-3.11.5-1.noarch                                    1/1 
  Verifying  : cassandra-3.11.5-1.noarch                                    1/1 

Installed:
  cassandra.noarch 0:3.11.5-1                                                   

Complete!
[root@worker mydjango]#

[root@worker mydjango]# firewall-cmd --permanent --add-port=7199/tcp
success
[root@worker mydjango]# firewall-cmd --reload
success
[root@worker mydjango]# nodetool status
Datacenter: datacenter1
=======================
Status=Up/Down
|/ State=Normal/Leaving/Joining/Moving
--  Address    Load       Tokens       Owns (effective)  Host ID                               Rack
UN  127.0.0.1  103.69 KiB  256          100.0%            6cfedc47-1d86-47b8-a85b-e16dbefe5055  rack1

[root@worker mydjango]# 

[root@worker mydjango]# cqlsh
Connected to Test Cluster at 127.0.0.1:9042.
[cqlsh 5.0.1 | Cassandra 3.11.5 | CQL spec 3.4.4 | Native protocol v4]
Use HELP for help.
cqlsh> 

[root@worker mydjango]# vi /etc/cassandra/default.conf/cassandra.yaml

cluster_name: 'cassandra Cluster'

[root@worker mydjango]# cqlsh
Connected to cassandra Cluster at 127.0.0.1:9042.
[cqlsh 5.0.1 | Cassandra 3.11.5 | CQL spec 3.4.4 | Native protocol v4]
Use HELP for help.
cqlsh>