ian new to centos 7
and iam configuring hadoop 2.7.1 cluster so i need to install openjdk as a requirement
so i installed one by the command
yum install java-1.7.0-openjdk
and java version command out put is
java version "1.7.0_131"
OpenJDK Runtime Environment (rhel-2.6.9.0.el7_3-x86_64 u131-b00)
OpenJDK 64-Bit Server VM (build 24.131-b00, mixed mode)
but my problem is that i want to use jps command and it is found in
java-1.7.0-openjdk-1.7.0.101-2.6.6.1.el7_2.x86_64
so i iwant to install this rpm and i used the command
cd /usr/lib/jvm
rpm -ivh --nodeps ftp://mirror.switch.ch/pool/4/mirror/scientificlinux/7.0/x86_64/updates/security/java-1.7.0-openjdk-1.7.0.101-2.6.6.1.el7_2.x86_64.rpm
but becuase a newer version of jdk is installed i wasn't able to install this rpm
with the error
package java-1.7.0-openjdk-1:1.7.0.131-2.6.9.0.el7_3.x86_64 (which is newer than java-1.7.0-openjdk-1:1.7.0.101-2.6.6.1.el7_2.x86_64) is already installed
i don't know if iam using the right way to make jps command works
what should i do to include jps command
and is it right to install an old release of openjdk i mean 101 when newer one already exists i mean 131
java-1.7.0-openjdk contains only the JRE. jps is part of the openjdk development package. Refer here.
Try
yum install java-1.7.0-openjdk-devel
Related
I have CloudLinux release 7.6 in my server and I used to have wkhtmltopdf linux generic version 0.12.4 previously. I am trying to upgrade wkhtmltopdf to version 0.12.5 and I noticed they no longer have generic linux version.
How do I install the latest version of wkhtmltopdf in my server that uses CloudLinux?
Can I safely install and use the 0.12.5 version for CentOS 7 instead or is my only option is to continue using the 0.12.4 generic linux version on CloudLinux?
I have installed the CentOS 7 build version of Wkhtmltopdf in my CloudLinux Release 7 and its works fine. I have been using it in my production server for a week now and havent had any issues. Since CentOS and CloudLinux are RHEL compatible, it works fine.
I installed the binaries like this:
$ wget https://downloads.wkhtmltopdf.org/0.12/0.12.5/wkhtmltox-0.12.5-1.centos7.x86_64.rpm
$ rpm -Uvh wkhtmltox-0.12.5-1.centos7.x86_64.rpm
$ which wkhtmltopdf
/usr/local/bin/wkhtmltopdf
Thanks to #Rup in comments who helped me with this.
For those who are using Cloud Linux and need to install the latest version (now 12.6) - you might get dependancy errors using the above method.
I used:
yum install -y https://github.com/wkhtmltopdf/packaging/releases/download/0.12.6-1/wkhtmltox-0.12.6-1.centos7.x86_64.rpm
Based on suggestion by ashkulz on Github
I have installed a CDH5(cdh5.15.1 version) cluster on ubuntu nodes and I want to install hadoop-client on one ubuntu host (which is not managed by cloudera).
I added cloudera repo on my ubuntu host but when I run apt-get install hadoop-client , by default it install version 5.16. However I want to install version 5.15.1 version for hadoop-client( which is available in repo).
The problem is I am not able to figure out which version number should I give . The deb package name for hadoop client cdh5.15.1 is:
hadoop-client_2.6.0+cdh5.15.1+2822-1.cdh5.15.1.p0.4~xenial-cdh5.15.1_all.deb
I have to run apt-get install hadoop-client=< version number > so that it picks up and install the specific version.
Please help me to figure out the exact version number.
Thanks in adv. :)
use apt-cache policy hadoop-client to see versions available from your package CDH
EDIT :
use apt-cache madison hadoop-client instead to see all versions available in your packages.
You can also use apt list -a hadoop-client which has the same purprose
I'm new to Hadoop and want find the way how to install Spark 1.5.1 on the existing Hadoop cluster. 4 nodes, Ubuntu 14.04. Hadoop 2.3.2. Ambari Version 2.1.2.1. Followed tutorial, but there are spark version for the Ubuntu 12, and I cannot install it on our system. So after step 1 I stucked. sudo apt-get install spark_2_3_2_1_12-master -y
Got an error:
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package spark_2_3_2_1_12-master
Can anyone provide us with some guidline, how to install 1.5?
Currently we have Spark 1.4 installed, up, and running, but due to requirement of functionality need the 1.5!
Ubuntu 14.04 Trusty Tahr is not officially supported by HDP. If you look at the repos available for stack updates, HDP stack public repos, they only have ones up for Centos, Red Hat, and Oracle Linux. Did you try using Spark's Simple Build Tool to build spark-1.5 source against your Hadoop install ? You would need to set SPARK_HADOOP_HOME=your hadoop location. See this for step by step with Ubuntu 14.04 and an earlier version of Spark. I don't see why the same steps would fail with Spark 1.5.
I'm setting up a HDP 2.1 cluster with Apache Ambari. All servers run SLES 11 SP3. The setup fails if I select to install Ganglia because of some dependencies:
Installing package apache2?mod_php* ('/usr/bin/zypper --quiet install --auto-agree-with-licenses --no-confirm apache2?mod_php*')
Problem: apache2-mod_php53-5.3.17-0.27.1.x86_64 conflicts with apache2-mod_php5 provided by apache2-mod_php5-5.2.14-0.7.30.50.1.x86_64
Solution 1: Following actions will be done:
do not install apache2-mod_php5-5.2.14-0.7.30.50.1.x86_64
deinstallation of php5-5.2.14-0.7.30.50.1.x86_64
deinstallation of php5-xmlwriter-5.2.14-0.7.30.50.1.x86_64
[... more PHP 5.2.x packages ...]
Solution 2: do not install apache2-mod_php53-5.3.17-0.27.1.x86_64
Apparently the Regex picks the 5.3 version, a 5.2 version would be available though.
So my question is: Where is the install script stored, that Ambari is running here? I would like to replace the regex with the correct version of the package.
Information about what packages are to be installed is stored in
/var/lib/ambari-server/resources/stacks/HDP/2.0.6/services/GANGLIA/metainfo.xml
Change the value and restart the Ambari Server for the changes to take effect.
problem: when deploying my war to tomcat7 i get the error
java.lang.UnsupportedClassVersionError: org.MyLibraryClass : Unsupported major.minor version 51.0
(this is the error one gets when compiling java with a newer version than the java used when running the code.)
situation, in order:
brand new ubuntu 12.04.1 server 64bit minimal, in a virtualbox
installed tomcat6
tried to deploy my war
realized the error, and that i need java7 because ubuntu 12 still comes with outdated java
installed oracle java 7 using this guide https://askubuntu.com/questions/197248/java-on-ubuntu-server-12-04
sudo add-apt-repository ppa:webupd8team/java
sudo apt-get update
sudo apt-get install oracle-java7-installer
removed tomcat6 and installed tomcat7
sudo apt-get remove tomcat6-common
sudo apt-get install tomcat7
deployed my war to tomcat7
started tomcat
sudo service tomcat7 start
checked my app's log file. same error.
echo $JAVA_HOME is empty, java -version shows:
java version "1.7.0_07"
Java(TM) SE Runtime Environment (build 1.7.0_07-b10)
Java HotSpot(TM) 64-Bit Server VM (build 23.3-b01, mixed mode)
it's a default tomcat7 install, no modification. still i checked the startup scripts and config to make sure no custom java version is specified anywhere. also checked by asking catalina:
ubuntu#ubuntu:/home$ /usr/share/tomcat7/bin/catalina.sh version
Using CATALINA_BASE: /usr/share/tomcat7
Using CATALINA_HOME: /usr/share/tomcat7
Using CATALINA_TMPDIR: /usr/share/tomcat7/temp
Using JRE_HOME: /usr
Using CLASSPATH: /usr/share/tomcat7/bin/bootstrap.jar:/usr/share/tomcat7/bin/tomcat-juli.jar
Server version: Apache Tomcat/7.0.26
Server built: Jul 19 2012 03:21:30
Server number: 7.0.26.0
OS Name: Linux
OS Version: 3.2.0-29-generic
Architecture: amd64
JVM Version: 1.7.0_07-b10
JVM Vendor: Oracle Corporation
now i'm stuck. i don't see how any java code could fail to run on oracle's jre7.
my war is a brand new very basic hello world grails 2.1 app with maven, which has a maven dependency (org.MyLibraryClass) that is compiled with jdk7. that's the one for which i get the error.
in grails i changed BuildConfig.groovy to have 1.7 instead of 1.6:
grails.project.target.level = 1.7
grails.project.source.level = 1.7
then did a grails clean, rebuild, war, redeploy. no change.
any idea what to try next?
Typical error when compiling code with Java7 and running it under Java6.
The critical line in your query is this one I think:
sudo service tomcat7 start
I think it may be triggering the inheritance of OpenJDK still in the system there. What you want to do is instead try tomcat from your own environment.
Login as your normal user
java -version
/usr/share/tomcat7/bin/startup.sh
and check. You should also login as a clean user, root or elsewhere and check java -version to check.
If all else fails, go to /etc/profile and make sure path to Oracle's Java/bin directory is the very first thing in the PATH variable for the environment.
I have the same problem just now,but now it's solved.
Please check this symbolic
/usr/lib/jvm/default-java
it's default link is open-jdk, reset the correct jdk dirctory.
good luck!