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Install Apache Solr 7.4.0 to Linux (Centos 7)

Apache SolrをCentos7にインストールします。 検証日 2018, 8, 21 現在の動作を確認しています。

Date Installed: 08,21,2018

Pre-requirements

  • A server running CentOS 7. (CentOS 7がOSであること)
  • A non-root user with sudo privilege setup on your server　（sudo権限のあるユーザーであること）
  • Installed Java　（javaがインストール済みであること）

Updating yum and Installing Java

Before installing Apache Solr, we need to update yum. sudo yum update

Check your java version. java -version output will be:

openjdk version "1.8.0_181"  
OpenJDK Runtime Environment (build 1.8.0_181-b13)
OpenJDK 64-Bit Server VM (build 25.181-b13, mixed mode)

if you do not get the result above, then you will run

sudo yum install java-1.8.0-openjdk.x86_64

Download Apache Solr

download Apache Solr from the following URLs.

  • http://apache.org/dist/lucene/solr/7.4.0/solr-7.4.0.tgz
  • http://ftp.tsukuba.wide.ad.jp/software/apache/lucene/solr/7.4.0/

check files are collectly downloaded (make sure you have )

 tar tzf solr-7.4.0.tgz

It will show you as below:

solr-7.4.0/LUCENE_CHANGES.txt
solr-7.4.0/contrib/analysis-extras/lib/
solr-7.4.0/contrib/clustering/lib/
solr-7.4.0/contrib/dataimporthandler-extras/lib/
solr-7.4.0/contrib/extraction/lib/
solr-7.4.0/contrib/langid/lib/
solr-7.4.0/contrib/prometheus-exporter/conf/
solr-7.4.0/contrib/prometheus-exporter/lib/
solr-7.4.0/contrib/uima/lib/
....cont....

You can see that it will create directory named as solr-7.4.0. So, you will extract the compressed file without creating another directory.

tar xzf solr-7.4.0.tgz

Then, move to the direcoty bin.

cd solr-7.4.0/
cd bin/

Now, install solr by running install_solr_service.sh, which is under bin directory.

sudo bash ./install_solr_service.sh ~/solr-7.4.0.tgz

After installing, it will run solr automatically. So, access to the following URL. http://localhost:8983/solr/#/

Solr Admin

Rename Code Name

In order to rename a core name, you are going to access the following URL

http://localhost:8983/solr/admin/cores?action=RENAME&core=oldname&other=newname

If success, you will get the following response.

{
  "responseHeader":{
    "status":0,
    "QTime":80}
}

Reference

Free Software, Hell Yeah!