Server Maintenance
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27.12.2020 Maintenance

Inhaltsverzeichnis

Linux#

Get Version => Debian GNU/Linux 10.7 (buster)#

cat /etc/debian_version
    10.7
cat /etc/issue
    Debian GNU/Linux 10
lsb_release -a
    No LSB modules are available.
    Distributor ID: Debian
    Description:    Debian GNU/Linux 10 (buster)
    Release:        10
    Codename:       buster
cat /etc/os-release
    PRETTY_NAME="Debian GNU/Linux 10 (buster)"
    NAME="Debian GNU/Linux"
    VERSION_ID="10"
    VERSION="10 (buster)"
    VERSION_CODENAME=buster
    ID=debian
    HOME_URL="https://www.debian.org/"
    SUPPORT_URL="https://www.debian.org/support"
    BUG_REPORT_URL="https://bugs.debian.org/"
hostnamectl
   Static hostname: v22018061954267647
         Icon name: computer-vm
           Chassis: vm
        Machine ID: [..]
           Boot ID: [..]
    Virtualization: kvm
  Operating System: Debian GNU/Linux 10 (buster)
            Kernel: Linux 4.19.0-13-amd64
      Architecture: x86-64
Note: apt-get install lsb-release

Update / Upgrade#

To update current version see Apt.
To upgrade to a new Linux version, you need to change the source for packages and run an update like before. 
vi /etc/apt/sources.list
    deb http://ftp.debian.org/debian/ buster main
Note: check additional sources specified wihtin folder sources.list.d

MySQL / MariaDB#

Get version => 10.3.27-MariaDB-0+deb10u1#

mysql -u <user> -p
select version();

Upgrade / Storage#

After upgrading from Debian 9 to 10, mysql was gone. I installed MariaDB on top: 
apt-get install mariadb-server
(mysql_secure_installation)

Start: /etc/init.d/mysql
Config: folder /etc/mysql/...
Log: /var/log/mysql
Bin: 
    /usr/bin/mysql 
    /usr/bin/mysqladmin
    /usr/sbin/mysqld
Database: folder /var/lib/mysql

Apache Tomee => TomEE webprofile 8.0.5 (Tomcat 9.0.39)#

Get Version#

Not possible, it is TomEE webprofile 8.0.5 TAR/GZ.
You can get the tomcat version: 
cd <tomee_home>/lib 
java -cp catalina.jar org.apache.catalina.util.ServerInfo
Server version: Apache Tomcat/9.0.39
Server built:   Oct 6 2020 14:11:46 UTC
Server number:  9.0.39.0
OS Name:        Linux
OS Version:     4.19.0-13-amd64
Architecture:   amd64
JVM Version:    11.0.9.1+1-post-Debian-1deb10u2
JVM Vendor:     Debian

Upgrade / Storage#

See TomEE, upgrade via new installation/move old content.
Download TomEE webprofile TAR/GZ and tar xvf * Enable Apache HTTP with Tomcat
Note: NEW attribute address and secretRequired necessary !!! 
vi <tomee_home>/conf/server.xml
    <!-- Define an AJP 1.3 Connector on port 8009 -->
    <Connector port="8009" address="::1" protocol="AJP/1.3" redirectPort="8443" secretRequired="false" />
    <Connector port="8109" address="::1" protocol="AJP/1.3" redirectPort="8443" secretRequired="false" />
Improve start script 
vi <tomee_home>/bin/catalina.sh
#Markus
JAVA_OPTS="$JAVA_OPTS -server -Xms1024m -Xmx6144m -Djava.awt.headless=true -Dfile.encoding=UTF-8"
JAVA_HOME=/usr/lib/jvm/default-java

/etc/init.d/tomee restart

Webapps#

Copy <tomee_home>/webapps 
    cp mariadb-java-client-2.7.1.jar <tomeeHome>/lib
    log4j ?

vi <tomeeHome>/lib/jspwiki-custom.properties
    jspwiki.applicationName=inetone
    jspwiki.fileSystemProvider.pageDir=/markus/jspWikiData
    jspwiki.workDir=/markus/tomee/temp
    jspwiki.basicAttachmentProvider.storageDir=/markus/jspWikiData
    jspwiki.pageProvider=VersioningFileProvider
    #jspwiki.searchProvider=LuceneSearchProvider
    jspwiki.searchProvider=BasicSearchProvider

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