Ubuntu Servers :: Tomcat Manager And Webmin Not Accessable On EC2 Instance
Jun 23, 2010
I've got my first EC2/cloud instance of Ubuntu up and running. This is my first time really dealing with the server edition. I've loaded Apache, Tomcat, PostgreSQL, and Webmin. I've got a public IP on the instance and it is working. I've opened, for now, ports 80, 8080, 443, and 10000 to 0.0.0.0/0.
I cannot get into Tomcat Manager or Webmin at all through a browser. For Tomcat, I've restarted, stop/started, and verified that Tomcat is running. I installed Webmin all through apt-get commands so any dependencies should have been installed (first time doing it this way), but cannot get to the login screen. But if I just go to the IP, Apache goes to the "It Works." splash page. Did I miss some set up? Is there an internal firewall in Ubuntu Server edition that needs to be set?
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Jul 31, 2010
I'm really new with Ubuntu and have the following problem:I installed successfully sun-java6-jdk using apt-get install sun-java6-jdk Then set up the JAVA_HOME environment variable to "/usr/lib/jvm/java-6-sun-1.6.0.20"
And then installed successfully tomcat6 using apt-get install tomcat6 apt-get install tomcat6-admin tomcat6-examples tomcat6-docs Everything seem to be right, when I try the browser with http://localhost:8080 return a webpage with "It works !" and other text
But, if I try http://localhost:8080/manager/html then returns 404 error, the error is something like "The required resource (manager/html) is not available" (that is my translation from the spanish text "El recurso requerido (/manager/html) no est disponible")
[Code]..
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Jul 10, 2010
when I connect to Webmin using [URL], I cannot get the File Manager Java applet to work. If I connect from within my LAN using [URL], the applet works.
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Sep 27, 2010
I have tomcat 5.x installed and is running on port 80(with mod_jk setup). The directories 'manager', 'examples' and 'ROOT' were removed under /usr/share/tomcat/webapps/ and rebuilt them copying from a working tomcat server. When I acces [URL] (or) [URL], it keeps on prompting for the password even after enter correct username and password.
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Jul 14, 2010
There are 2 IPs assigned to a LINUX machine. Now I installed a Tomcat instance on it. After I started the Tomcat I can access via both IP as follow:
http://ip1:8080
http://ip2:8080
But I just want the Tomcat binded to IP1. How can I do that?
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Jul 20, 2010
I am having a problem.I use Ubuntu 10.04 server edition.Two computers on LAN one with Public Ip A other with local (Class C IP)say it BWith a third computer in same subnet I can access a TomCat application running on B as http://Ip of B:8080/applicationI want to use A as a Reverse Proxy for this application to be reachable from internet.So on Googling I came across some thing known as mod_ajp I enabled that on my Server A asa2enmod proxya2enmod proxy_ajpa2enmod headersbut after that I am not able to understand as how do I define vhost to be able to forward HTTP request which come on A as www.myserver.com/appto B which I can see internally as http://Ip of B:8080/application so Tomcat on B handles this.
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Apr 3, 2010
I encountered a a dependency issue when trying to install Webmin on Ubuntu Server Edition 10.04 Beta1.
When you try to install webmin, libmd5-perl is not available in any of the lucid repositories:
I resolved the dependency prob by adding the following repository to my /etc/apt/sources.list: deb [url]
Then I did a sudo apt-get update then sudo apt-get install and libmd5-perl installed fine along with webadmin. BTW. I got a GPG error when doing a apt=get update because I did not import the public key for the debian repos I used to get libdm5-perl, which doesn't matter to me as I commented out the repos once I got libmd5-perl installed.
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Sep 1, 2010
I installed eclipse and tomcat with package manager. Eclipse and tomcat are running but i can't see tomcat in the eclipse. I just see 'Basic' folder. That is a screenshot [URL]
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Feb 15, 2010
I have KDE 4.4 and Firefox 3.6. Whenever I click a link from a plasmoid widget, it tries to open Konqueror and another instance of Firefox. The page actually loads in the opened Firefox window, but the task bar shows an instance of Konqueror and another instance of Firefox, that keeps loading for a while then close. See image below:
I currently have setup the browser default application as "firefox". If I set this option to use the default application, it opens in Konqueror and I don't see additional windows in the task bar. If I change the option to "firefox %u", then it exhibit the same issue, but the process is much faster, so the loading windows don't stay for long in the task bar. Additionally, it opens the link on a new Firefox window and opens the page twice. Although Konqueror is not loaded, the bouncing icon next to the mouse pointer shows up and stay for a while.
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Jul 26, 2010
I'm trying to use Manager App inside Tomcat on a 11.3 fresh install without success. Packages installed:
# zypper se -i tomcat
Loading repository data...
Reading installed packages...
[code]....
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May 12, 2010
Just wanted to know Where would i get the Tomcat manager's username and password .My tomcat version is apache-tomcat-5.5.29.
Quote:
/install/apache-tomcat-5.5.29/conf/tomcat-users.xml
Code:
<?xml version='1.0' encoding='utf-8'?>
<tomcat-users>
<role rolename="tomcat"/>
<role rolename="role1"/>
[code]....
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Feb 10, 2010
I am running Ubuntu Enterprise Cloud on two PCs, one as Controller, one as a node. I have downloaded two Ubuntu virtual machine images from the Ubuntu Enterprise Cloud Store and can successfully start instances of them with: euca-run-instances -k mykey emi-XXXXXXXX -t c1.medium
If I run this command I can see the instance is running: watch -n5 euca-describe-instances
I can ping the IP address of the VM instance from my Controller but I can't make an SSH connection to it. I'm following the instructions @ [URL] so I have tried connecting with: ssh -i ~/.euca/mykey.priv ubuntu@192.168.1.250
The result is: Permission denied (publickey).
If I try adding -v to the ssh command I get:
OpenSSH_5.1p1 Debian-6ubuntu2, OpenSSL 0.9.8g 19 Oct 2007
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Applying options for *
[code]....
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Aug 10, 2010
The only way I know is to use exit command to come out.
Is there some way to close the Xterm windows using the GUI (the mouse pointer)? Killing a lot of windows would be easier that way.
I am using Tiny Window Manager.
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Mar 24, 2011
I need to set up an ubuntu 10.04 instance on ec2, but there are some instance ready available I tried with few but I am not really happy with that since those are meant for test puporse.
I have to deploy a java/j2ee based web app with mysql. 1)need to install tomcat 2)java runtime 6 3) apache web server
What would be the best image to use for my requirement and I initially planning to launch with the micro instance if my web app demands I may further move to small and larger instances. So it should be eligible for free usuage tier.
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Oct 20, 2010
I am running Ubuntu Linux 10.04.1 on an AMD 64-bit system. The server is primarily used for Windows file sharing via Samba in a small local network. I use webmin and putty to administer the system. I have two 1.4 TB drives for storage and one 500 GB drive with 18 GB mounted for root.I performed a large cut & paste operation (25.8 GB of files) using the File Manager in Webmin to move a certain folder into another folder within /media/Work. The operation failed and I am now getting a "root filesystem full" error, and am stumped.
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Dec 28, 2010
Hi. I need to create second mysql instance on the same server but another port. What is the right way to do that?
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Jul 4, 2010
I installed Apache Tomcat6,every thing is running fine but facing problem in Tomcat administration webapps:- in manager webapp [URL] in this i am using username=manager password=s3cret but not it is not authenticating with these credentials in host-manager webapp [URL] in this,i am using username=admin password=s3cret
but it is also not authenticating with these credentials i edited file /etc/tomcat6/tomcat-users.xml
[Code]...
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Mar 16, 2010
how to setup multiple instance of postgre server on the same machine.
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Mar 30, 2010
I have set up UEC on a single machine 64 bit blade. I have followed the steps as per the documentation.I am using Managed NOVlan mode. I have installed the Karmic kola image. When I try to run the instance, I get an error "no resources available. Try --addressing private". When I try addressing private, an ip address 172.19.1.2 is assigned and the instance was running.
a) When trying to ping the ip, error displayed that the host is unreachableb) I am also unable to connect to ubuntu@172.19.1.2 using ssh. Error message is displayed that " No route to host".I have searched the forums but couldnt find any solutionPS: I suppose everyone is very busy. I see very limited responses to posts. Sharing your experience and expertise will be helpful for all and will reiterate the meaning of ubuntu
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Apr 14, 2010
I have setrup Ubuntu Enterprise Cloud on a single machine.
1) I am able to run the instances from store (karmic) On running the instance two ips are assigned (public and private) as 10.B.C.X and 172.19.1.2
2) I am able to connect to the instance (10.B.C.X) through ssh (using key)
3) However I am unable to access the instance outside the UEC (using public ip). When I try pinging, I get an error Request timed out or sometimes Destination host unreachable.
4) I have provided the following access using euca-authorize
Details below:
1) Hardware : Blade (64 bit)
2) Version : Ubuntu 9.10; Eucalyptus the one using apt-get install eucalyptus
3) Topology : Single physical system
4) Mode : Managed no-vlan
[Code]...
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Nov 8, 2010
I had installed UEC 10.04. It is a 2 server configuration with CC, CLC, SC and Walrus on one server and NC on another server. I could run instance of images, But when i try to ssh to the instance, it doesn't work.
It shows ssh: connect to host xxx.xxx.xxx.xxx port 22: No route to host. This to me seems there is a problem with my network connection. Pl find below the ifconfig output of the two servers:
Controller:
eth0 Link encap:Ethernet HWaddr 00:0c:29:90:95:17
inet addr:172.18.144.36 Bcast:172.18.145.255 Mask:255.255.254.0
inet6 addr: fe80::20c:29ff:fe90:9517/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
[Code]...
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Jan 18, 2010
I'm trying to access a .jsp page that is located on my apache/tomcat server from the web. I changed the connection port of tomcat to port 80 and changed my doc root from the default "webapps" to my normal web directory. However, whenever I try to visit the page, I only see the code of the page.
If you would like to see what I am talking about, feel free to see it for yourself:
[URL]
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Nov 23, 2010
I have installed vsftpd. When I run the command sudo service vsftpd restart, I get the following response: restart: Unknown instance. But if I run the command sudo service vsftpd start, I get the following response: vsftpd start/running, process 3804. To understand what is happening, I run the command ps aux | grep vsftpd, I get root 3805 0.0 0.0 27120 620 ? Ss 14:00 0:00 usr/sbin/vsftpd.
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Apr 4, 2010
I'm just getting familiar with my new VPS. I have webmin installed. I'd like to host more than 1 website on my server and I just can't figure out how to add a new domain (addon domain) to my server.
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Jun 17, 2010
I recently started with Amazon's EC2, and it's been smooth sailing up to this point. I installed the official EBS AMI ( ami-714ba518 ) for Ubuntu 10.04 and installed LAMP, etc. All this worked fine. However, Webmin is a bust. I cannot fathom why I can't get Webmin working after adding the webmin repo and installing via apt-get. This worked just fine on my physical server, but on Amazon it gives me "Firefox can't establish a connection to the server at xxxxxxx:10000." I made sure my security group allowed port 10000 through to my IP, and MySQL client connections work fine, so that can't be the problem.
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Sep 5, 2010
Webmin running two websites from one server, i've made a second virtual server for my second site including its own document root with it's own index.html file ,but for some odd reason they both run the same site. And i use a Static ip address.
Sites:
[URL]
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May 4, 2011
I have just done a fresh install of server 11.04 32bit.I installed webmin. I can hit webmin , but it doesn't take my login. I tried with both my users but it refuses to log me in as if my username or password is wrong.
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Sep 16, 2010
I have a few different Linux servers with samba shares on each of them. Is it possible to administer each of the servers from one SWAT instance?
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Apr 2, 2010
I put together this 500+ page .pdf how-to, if your looking to setup a server, and manage it with Webmin. built on Debian, but should work here to for the most part[URL]..
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Apr 11, 2010
I was wondering if I can use a different port for WebMin down below 1024 where I forward ports to my Linux box, rather than the current 10,000.
The reason is I forward higher ports to the Windows machine at present.
The goal is to keep Linux services down in the low port range. Suggestions?
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