Install Nexus Repository Manager (NXRM) 3.
Prerequisites
Install required packages.
$ sudo apt-get install curl gnupg apt-transport-https
Install Java
Import AdoptOpenJDK GPG public key using curl.
$ curl --silent https://adoptopenjdk.jfrog.io/adoptopenjdk/api/gpg/key/public | sudo apt-key add -
Define AdoptOpenJDK repository.
$ cat <<EOF | sudo tee -a /etc/apt/sources.list.d/adoptopenjdk.list deb https://adoptopenjdk.jfrog.io/adoptopenjdk/deb/ $(lsb_release --codename --short) main EOF
Update package index.
$ sudo apt update
Install Java 8.
$ sudo apt install adoptopenjdk-8-hotspot
Install Nexus Repository Manager 3
Import Sonatype GPG public key using curl.
$ curl --silent https://repo.sonatype.com/repository/community-hosted/pki/deb-gpg/DEB-GPG-KEY-Sonatype.asc | sudo apt-key add -
Define Sonatype community repository.
$ cat <<EOF | sudo tee -a /etc/apt/sources.list.d/sonatype-community.list deb [arch=all] https://repo.sonatype.com/repository/community-apt-hosted/ bionic main EOF
Update package index.
$ sudo apt update
Install Nexus Repository Manager 3.
$ sudo apt install nexus-repository-manager
Inspect service status.
$ sudo systemctl status nexus-repository-manager
● nexus-repository-manager.service - Nexus Repository Manager 3 Service
Loaded: loaded (/opt/sonatype/nexus3/extra/daemon/nexus-repository-manager.service; enabled; vendor preset: enabled)
Active: active (running) since Wed 2020-10-14 22:40:26 GMT; 4s ago
Process: 12137 ExecStart=/opt/sonatype/nexus3/bin/nexus start (code=exited, status=0/SUCCESS)
Main PID: 12311 (java)
Tasks: 39 (limit: 544)
Memory: 246.3M
CGroup: /system.slice/nexus-repository-manager.service
└─12311 /usr/lib/jvm/adoptopenjdk-8-hotspot-amd64/bin/java -server -Dinstall4j.jvmDir=/usr/lib/jvm/adoptopenjdk-8-hotspot-amd64 -Dexe4j.moduleName=/opt/sonaty
Oct 14 22:40:26 debian systemd[1]: Starting Nexus Repository Manager 3 Service...
Oct 14 22:40:26 debian nexus[12137]: Starting nexus
Oct 14 22:40:26 debian systemd[1]: Started Nexus Repository Manager 3 Service.
Use browser to access service on port 8081.
http://nexus.example.opg:8081/
Use initial password for admin user.
$ cat /opt/sonatype/sonatype-work/nexus3/admin.password
37e3ecea-8053-40a1-b069-7171df2e04cfvagrant@debian:/opt/sonatype$
Additional notes
JVM options are stored in nexus.vmoptions file.
$ cat /opt/sonatype/nexus3/bin/nexus.vmoptions
-Xms2703m -Xmx2703m -XX:MaxDirectMemorySize=2703m -XX:+UnlockDiagnosticVMOptions -XX:+LogVMOutput -XX:LogFile=/opt/sonatype/sonatype-work/nexus3/log/jvm.log -XX:-OmitStackTraceInFastThrow -Djava.net.preferIPv4Stack=true -Dkaraf.home=. -Dkaraf.base=. -Dkaraf.etc=etc/karaf -Djava.util.logging.config.file=etc/karaf/java.util.logging.properties -Dkaraf.data=/opt/sonatype/sonatype-work/nexus3 -Dkaraf.log=/opt/sonatype/sonatype-work/nexus3/log -Djava.io.tmpdir=/opt/sonatype/sonatype-work/nexus3/tmp -Dkaraf.startLocalConsole=false # # additional vmoptions needed for Java9+ # # --add-reads=java.xml=java.logging # --add-exports=java.base/org.apache.karaf.specs.locator=java.xml,ALL-UNNAMED # --patch-module=java.base=lib/endorsed/org.apache.karaf.specs.locator-4.2.9.jar # --patch-module=java.xml=lib/endorsed/org.apache.karaf.specs.java.xml-4.2.9.jar # --add-opens=java.base/java.security=ALL-UNNAMED # --add-opens=java.base/java.net=ALL-UNNAMED # --add-opens=java.base/java.lang=ALL-UNNAMED # --add-opens=java.base/java.util=ALL-UNNAMED # --add-opens=java.naming/javax.naming.spi=ALL-UNNAMED # --add-opens=java.rmi/sun.rmi.transport.tcp=ALL-UNNAMED # --add-exports=java.base/sun.net.www.protocol.http=ALL-UNNAMED # --add-exports=java.base/sun.net.www.protocol.https=ALL-UNNAMED # --add-exports=java.base/sun.net.www.protocol.jar=ALL-UNNAMED # --add-exports=jdk.xml.dom/org.w3c.dom.html=ALL-UNNAMED # --add-exports=jdk.naming.rmi/com.sun.jndi.url.rmi=ALL-UNNAMED # # comment out this vmoption when using Java9+ # -Djava.endorsed.dirs=lib/endorsed
Inspect log file in case of any trouble.
$ tail /opt/sonatype/sonatype-work/nexus3/log/jvm.log
[...] <dependency_failed type='abstract_with_unique_concrete_subtype' ctxk='java/security/MessageDigest' x='java/security/MessageDigest$Delegate' witness='sun/security/ssl/CloneableDigest' stamp='53.491'/> <dependency_failed type='abstract_with_unique_concrete_subtype' ctxk='java/security/MessageDigest' x='java/security/MessageDigest$Delegate' witness='sun/security/ssl/CloneableDigest' stamp='53.491'/> <dependency_failed type='abstract_with_unique_concrete_subtype' ctxk='java/security/MessageDigest' x='java/security/MessageDigest$Delegate' witness='sun/security/ssl/CloneableDigest' stamp='53.491'/> <dependency_failed type='abstract_with_unique_concrete_subtype' ctxk='java/security/MessageDigest' x='java/security/MessageDigest$Delegate' witness='sun/security/ssl/CloneableDigest' stamp='53.491'/> <dependency_failed type='abstract_with_unique_concrete_subtype' ctxk='java/security/MessageDigest' x='java/security/MessageDigest$Delegate' witness='sun/security/ssl/CloneableDigest' stamp='53.492'/> <dependency_failed type='abstract_with_unique_concrete_subtype' ctxk='java/security/MessageDigest' x='java/security/MessageDigest$Delegate' witness='sun/security/ssl/CloneableDigest' stamp='53.492'/> <dependency_failed type='abstract_with_unique_concrete_subtype' ctxk='java/security/MessageDigest' x='java/security/MessageDigest$Delegate' witness='sun/security/ssl/CloneableDigest' stamp='53.492'/> <writer thread='140604630718208'/> <dependency_failed type='unique_concrete_method' ctxk='groovy/lang/Closure' x='groovy/lang/GroovyObjectSupport getMetaClass ()Lgroovy/lang/MetaClass;' witness='org/codehaus/groovy/runtime/IteratorClosureAdapter' stamp='55.552'/>
I love it!