I'm trying to install jupyter-scala to get a scala kernel working with jupyterlab. I'm behind a proxy and it's timing out. I have the http(s)_proxy host and port environment variables set properly.
Following the instructions here: https://github.com/alexarchambault/jupyter-scala#jupyter-installation
Looking into jupyter-scala and coursier, I cannot find where I can set proxy settings. Anyone know?
Thanks!
The command run: sh -x -vvvv jupyter-scala and the interesting bit + the error:
/tmp/coursier.e5brtL0K launch -r sonatype:releases -r sonatype:snapshots -i ammonite -I ammonite:org.jupyter-scala:ammonite-runtime_2.11.11:0.8.3-1 -I ammonite:org.jupyter-s
cala:scala-api_2.11.11:0.4.2 org.jupyter-scala:scala-cli_2.11.11:0.4.2 -- --id scala --name Scala
Error while downloading https://oss.sonatype.org/content/repositories/releases/io/get-coursier/coursier-cli_2.11/1.0.0-RC1/coursier-cli_2.11-1.0.0-RC1-standalone.jar: Connecti
on timed out (Connection timed out), ignoring it
also when i run wget https://oss.sonatype.org/content/repositories/releases/io/get-coursier/coursier-cli_2.11/1.0.0-RC1/coursier-cli_2.11-1.0.0-RC1-standalone.jar the jar downloads so the url is fine.
An (ugly) solution is to download the jar by hand and then using the following command line to launch coursier:
java -Dhttps.proxyHost=proxy -Dhttps.proxyPort=80 \
-cp coursier-cli_2.11-1.0.0-RC1-standalone.jar coursier.cli.Coursier
Related
I have the need to start a java rest server with concourse that lives on an Ubuntu 18.04 machine. The version of concourse my company uses is 5.5.11. The server code is written in Java, so a simple java -jar <uber.jar> suffices from the command line (see below). In production, I will not have this simple luxury, hence my question.
I have an scp command working that copies the .jar from concourse to the target Ubuntu machine:
scp -i /tmp/key.p8 -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null ./${NEW_DIR}/${ARTIFACT_NAME}.${ARTIFACT_FILE_TYPE} ${SRV_ACCOUNT_USER}#${JAVA_VM_HOST}:/var/www
Note that my private key is passed with -i and I can confirm that is working.
I followed this other SO Q&A that seemed to be promising: Getting ssh to execute a command in the background on target machine
, but after trying a few permutations of the suggested solution and other answers, I still don't have my rest service kicked off.
I've tried a few permutations of this line in my concourse script:
ssh -f -i /tmp/pvt_key1.p8 -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null ${SRV_ACCOUNT_USER}#${JAVA_VM_HOST} "bash -c 'nohup java -jar /var/www/${ARTIFACT_NAME}.${ARTIFACT_FILE_TYPE} -c \"/opt/testcerts/clientkeystore\" -w \"password\" > /dev/null 2>&1 &'"
I've tried with and without the -f and -t switches in ssh, with and without the file stream redirection, with and without nohup and the Linux background ('&') command and various ways to escape the quotes.
At the bash prompt, this line successfully starts my server. The two switches are needed to point to the certificate and provide the password:
java -jar rest-service.jar -c "/opt/certificates/clientkeystore" -w "password"
I really think this is possible to do in Concourse, but I'm stuck at this point.
After a lot of trial an error, it seems I needed to do this:
ssh -f -i /tmp/pvt_key1.p8 -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null ${SRV_ACCOUNT_USER}#${JAVA_VM_HOST} "bash -c 'sudo java -jar /var/www/${ARTIFACT_NAME}.${ARTIFACT_FILE_TYPE} -c \"/path/to/my/certificate\" -w \"password\" > /var/www/log.txt 2>&1 &'"
The key was I was missing the 'sudo' portion of the command. Using nohup as opposed to putting in a Linux bash background indicator ('&') seems to give me an error in the pipeline. This works for me, but others are welcome to post responses with better answers or methods that might be a better practice.
When I start confluent local start I get /users/myusername/.confluent/config.json: No such file or directory.
Does anyone have any idea how to solve this?
you need to create the .confluent directory
1)Install the Confluent CLI, confluent, using the following script. The parameter must be in your PATH (e.g. /usr/local/bin).
On Microsoft Windows, an appropriate Linux environment may need to be installed in order to have the curl and sh commands available, such as the Windows Subsystem for Linux https://learn.microsoft.com/en-us/windows/wsl/about.
curl -L --http1.1 https://cnfl.io/cli | sh -s -- -b /path-to-cli
and then go to the path-to-cli folder and run below command
./confluent local start
While trying to install Odoo on Ubuntu 18.04, I ran into an error after running the following command:
sudo wget -O wkhtmltox.tar.xz \ https://github.com/wkhtmltopdf/wkhtmltopdf/releases/download/0.12.4/wkhtmltox-0.12.4_linux-generic-amd64.tar.xz
The error said:
https://github.com/wkhtmltopdf/wkhtmltopdf/releases/download/0.12.4/wkhtmltox-0.12.4_linux-generic-amd64.tar.xz: Scheme missing
Please help me if you know the answer to my problem!
You could find all the releases at:
https://github.com/wkhtmltopdf/wkhtmltopdf/releases
Your command fails due to an extra \ before https://. Try this:
sudo wget -O wkhtmltox.tar.xz https://github.com/wkhtmltopdf/wkhtmltopdf/releases/download/0.12.4/wkhtmltox-0.12.4_linux-generic-amd64.tar.xz
FYI, There are some issues with wkhtmltopdf that seems to be solved in early versions like 0.12.5
See bug references at:
https://github.com/odoo/odoo/issues/19160
https://github.com/wkhtmltopdf/wkhtmltopdf/issues/2711#issuecomment-389429960
I am using centos 6.9 and want to install xampp. But when I run the command on the terminal it showing error i.e. cannot execute binary file. So, How can I fix this problem and successfully install xampp ? Please help me.
chmod +x xampp-linux-x64-7.0.22-0-installer.run
./xampp-linux-x64-7.0.22-0-installer.run
after this command it showing
bash: ./xampp-linux-x64-7.0.22-0-installer.run: cannot execute binary file
You're probably running the install (binary) with a lesser privileged user. You'll have to use root user for modifying SELinux settings as such:
semanage fcontext -a -t httpd_sys_script_exec_t '/<install-location>(/.*)/?'
restorecon -R -v /<install-location>/
I am trying to run the example on "http://gearman.org/getting_started" on Ubuntu in VirtualBox environment.
At first I tried to download an old version 0.16 by using apt-get install gearman-job-server, apt-get install gearman-tools and everything worked well. The server ran in the background, I was able to create 2 workers and verify that I can call them by creating a client.
I decided to download and compile the latest version, 1.1.6. Now, I am trying to do the same thing with the new version and I am having errors.
I run the server as admin:
sudo gearmand
The statement
gearadmin --getpid
seems to work - it returns me the process ID of the server. Thus, the server is running, and this answer is not relevant.
Now, I am adding a worker:
gearman -w -f wc -- wc -l
It seems to run.
Nevertheless,
gearadmin --workers
results in something that probably represents and empty list :
33 127.0.0.1 - :
.
(In version 0.16, I was able to see 2 lines, the second showing the registered function name.)
Attempting to run the client
gearman -f wc < /etc/passwd
results in
gearman: gearman_client_run_tasks : flush(GEARMAN_COULD_NOT_CONNECT) localhost:0 -> libgearman/connection.cc:671"
This might be the very same problem described in here - the port not specified, but I have no idea how to do it through the command line tool.
Any idea?
Ok, It looks like the answer in here was the key to success. Probably, the "getting started" section was not updated for a while. Indeed, one must specify a port explicitly for gearmand and gearman .
Server:
sudo gearmand -p 5000
Worker:
gearman -p 5000 -w -f wc -- wc -l
Client:
gearman -p 5000 -f wc < /etc/passwd