ubuntu-12.04

问题 I had some perfectly working python code which used multiprocessing module and loaded all 8 CPUs on my machine at 100%. After I upgraded from Ubuntu 10.10 to 12.04 (the most evident thing, maybe I did something else that broke everything), it stopped working. After lots of debugging, I found that even in the simplest use case, both modules are only using 1 CPU: from pylab import * import multiprocessing as mp from joblib import Parallel, delayed def f(i): # Slow calculation x = 1 for j in

问题 I'm trying to install MySQL 5.6.14 on Ubuntu 12.04 Desktop: $ scripts/mysql_install_db --no-defaults --force \ --explicit_defaults_for_timestamp --datadir=/tmp/data And I'm getting: Installing MySQL system tables... 2013-10-09 09:27:26 6463 [Warning] Buffered warning: Changed limits: max_open_files: 4096 (requested 5000) 2013-10-09 09:27:26 6463 [Warning] Buffered warning: Changed limits: table_cache: 1967 (requested 2000) 2013-10-09 09:27:26 6463 [Note] InnoDB: The InnoDB memory heap is

问题 Please how to install the latest Eclipse Classic (4.2) on Ubuntu 12.04 using the terminal? if you can direct me step-by-step, I would be grateful. 回答1: See this blog post here, for step-by-step instructions. The process is documented step-by-step and in the comments the author has included a script - #!/bin/sh ECLIPSE=/usr/lib/eclipse/eclipse inject_update_site(){ if [ ! -e "$1" ] ; then echo "W: Cannot find $1" 2>&1 return 1 fi cat - >>"$1" <<EOF repositories/http\:__download.eclipse.org

问题 I am creating a Ubuntu 12.04 docker image that has gcc 4.8.5. I am getting gcc 4.8.5 source and building it myself. This container will be running on a Ubuntu 18.04 host. Referencing the code at the bottom, if I don't put this in the dockerfile and run the same commands after starting the container, the build works fine, however if I use RUN instead in the dockerfile, I get the following build error In file included from /usr/include/stdio.h:28:0, from ../../../gcc-4.8.5/libgcc/../gcc/tsystem

问题 I am trying to use Hadoop of Azure HDInsight. I am logging into the cluster by ssh and running the following hadoop jar jar_name class_name wasb://container@storagename.core.windows.net/inputdir wasb://container@storagename.core.windows.net/outputdir But I get the following exception: Exception in thread "main" org.apache.hadoop.fs.azure.AzureException: org.apache.hadoop.fs.azure.AzureException: Unable to access container xxx in account yyy.core.windows.net using anonymous credentials, and no

问题 I am trying to put wkhtmltopdf onto a virtualbox'ed ubuntu 12.04 64bit server. So far no luck. The package from the repositories wants to have xserver running and the static version: wkhtmltopdf google.com tesss.pdf Loading pages (1/6) QSslSocket: cannot resolve SSLv2_client_method ] 10% QSslSocket: cannot resolve SSLv2_server_method Counting pages (2/6) Resolving links (4/6) Loading headers and footers (5/6) Printing pages (6/6) QPixmap: Cannot create a QPixmap when no GUI is being used===]

问题 I managed to setting up my Symfony2 project inside a ubuntu vagrant box. But it takes around 20 seconds to load the website through it's webserver. After some research, i came up with using nfs for the sync folder. Here're my setting from Vagrantfile: config.vm.network "private_network", ip: "192.168.56.101" config.vm.synced_folder ".", "/vagrant", :nfs => true, :mount_options => ["dmode=777","fmode=777"] After starting de vagrant box i get the following error ==> default: Mounting NFS shared

问题 I'm trying to install zeromq.node using: $ npm install zmq However, I keep getting the error below. Any help would be much appreciated. gyp ERR! build error gyp ERR! stack Error: `make` failed with exit code: 2 gyp ERR! stack at ChildProcess.onExit (/usr/share/npm/node_modules/node-gyp/lib/build.js:215:23) gyp ERR! stack at ChildProcess.EventEmitter.emit (events.js:91:17) gyp ERR! stack at Process._handle.onexit (child_process.js:674:10) gyp ERR! System Linux 3.2.0-29-generic gyp ERR! command

问题 I have a VM running Ubuntu 12.04, and am trying to install ElasticSearch. I have followed this gist in the best 'learn X the hard way' spirit, and everything installs fine - packages are downloaded, untarred, copied to right place etc. The problem comes when I run it - either by calling: $ /usr/local/share/elasticsearch/bin/elasticsearch or by using the service wrapper ( $ rselasticsearch console ) The output is logged to wrapper.log and is included below. I think that I may be having JAVA

问题 When I tried $ sudo apt-get install python-matplotlib I got the following error: Reading package lists... Done Building dependency tree Reading state information... Done E: Unable to locate package python-matplotlib How to install it? 回答1: One "cleaner" way to install matplotlib is to go through pip: sudo apt-get install python-pip sudo pip install matplotlib It will also ensure that you'll get the most up to date stable version and will be easier to maintain when an upgrade is pushed to pypi