I'm attempting to install Solr 7.2.1 on linux. Following instructions at
https://lucene.apache.org/solr/guide/7_2/taking-solr-to-production.html#taking-solr-to-production I install cd /home/test/ wget http://apache.osuosl.org/lucene/solr/7.2.1/solr-7.2.1.tgz tar zxvf ./solr-7.2.1.tgz id solr; grep solr /etc/passwd uid=485(solr) gid=482(solr) groups=482(solr),100(users) solr:x:485:482::/var/solr:/bin/sh cd /home/test/solr-7.2.1 ./bin/install_solr_service.sh \ /home/test/solr-7.2.1.tgz \ -n \ -i /opt/solr \ -d /var/solr \ -s solr \ -u solr \ -p 8888 chown -R solr:solr /opt/solr cat /etc/default/solr.in.sh | egrep -v "^$|^#" SOLR_PID_DIR="/var/solr" SOLR_HOME="/var/solr/data" LOG4J_PROPS="/var/solr/log4j.properties" SOLR_LOGS_DIR="/var/solr/logs" SOLR_PORT="8888" On exec, it fails to start due to permissions systemctl daemon-reload systemctl start solr Job for solr.service failed because the control process exited with error code. See "systemctl status solr.service" and "journalctl -xe" for details. systemctl status solr.service -l ● solr.service - LSB: Controls Apache Solr as a Service Loaded: loaded (/etc/init.d/solr; bad; vendor preset: disabled) Active: failed (Result: exit-code) since Wed 2018-03-28 14:42:21 PDT; 18s ago Docs: man:systemd-sysv-generator(8) Process: 7458 ExecStart=/etc/init.d/solr start (code=exited, status=126) Mar 28 14:42:20 test.loc su[7460]: (to solr) root on none Mar 28 14:42:20 test.loc su[7460]: pam_unix(su-l:session): session opened for user solr by (uid=0) Mar 28 14:42:21 test.loc solr[7458]: -sh: /opt/solr/solr/bin/solr: Permission denied journalctl -f Mar 28 14:43:23 test.loc su[7658]: (to solr) root on none Mar 28 14:43:23 test.loc su[7658]: pam_unix(su-l:session): session opened for user solr by (uid=0) Mar 28 14:43:23 test.loc systemd[7659]: pam_unix(systemd-user:session): session opened for user solr by (uid=0) Mar 28 14:43:23 test.loc systemd[7659]: Startup finished in 100ms. Mar 28 14:43:23 test.loc solr[7656]: -sh: /opt/solr/solr/bin/solr: Permission denied Mar 28 14:43:23 test.loc su[7658]: pam_unix(su-l:session): session closed for user solr Mar 28 14:43:23 test.loc systemd[1]: solr.service: Control process exited, code=exited status=126 Mar 28 14:43:23 test.loc systemd[1]: Failed to start LSB: Controls Apache Solr as a Service. Mar 28 14:43:23 test.loc systemd[1]: solr.service: Unit entered failed state. Mar 28 14:43:23 test.loc systemd[1]: solr.service: Failed with result 'exit-code'. Mar 28 14:43:23 test.loc systemd[7659]: Received SIGRTMIN+24 from PID 7701 (kill). Mar 28 14:43:23 test.loc systemd[7660]: pam_unix(systemd-user:session): session closed for user solr But the executable perm is ls -al /opt/solr/solr/bin/solr -rwxr-xr-x 1 solr solr 75K Jan 9 13:32 /opt/solr/solr/bin/solr* Why's "permission denied", and what's specifically to be done to fix the launch/exec?