I installed composer in centos 7.
When I logged in with centos user, if I hit composer -v, it shows that composer is installed.
But after I switch to root access with sudo su, if I hit composer -v, it displays not found.
Can anyone help me? What should I do now?
What you describe are the symptoms of non-packaged install.
If something is available from packages, you should strive to install it using packages where available.
sudo yum install epel-release
sudo yum install composer
# have no problems, have a cup of coffee
Currently I have Erlang version 5.10.4 and OTP "R16B03".
Now I have to update Erlang from version 6.1 and OTP greater than 17.1 in Ubuntu 14.04 LTS (64 bit) in order to install the latest version of ejabberd (16.02).
For this I have tried instructions at this URL: http://erlang.org/doc/installation_guide/INSTALL.html
but when I am hitting the make command an error is coming:-
Makefile:247: /home/Hemant/otp_src_18.2/make/i686-pc-linux-gnu/otp_ded.mk: No such file or directory
make: *** No rule to make target `/home/Hemant/otp_src_18.2/make/i686-pc-linux-gnu/otp_ded.mk'. Stop.
I tried another way:
$ sudo apt-get install erlang
But I am getting the same version (Erlang 5.10) while I have updated the apt-get.
Now how can I get the latest version of Erlang?
When installing erlang do the following from this link:
wget http://packages.erlang-solutions.com/erlang-solutions_1.0_all.deb
sudo dpkg -i erlang-solutions_1.0_all.deb
Now the repository is added simply install esl-erlang with:
sudo apt-get update
sudo apt-get install esl-erlang
Installing ejabberd follow Mickaël's blog post:
git clone git#github.com:processone/ejabberd.git
cd ejabberd
chmod +x autogen.sh
./autogen.sh
./configure
sudo make && make install
Now I do remember getting quite a few compiler errors and all the errors were due to packages not being installed on my system. So when you receive an error from say libexpat then install the package sudo apt-get install libexpat1 and so on for all the following errors.
Good luck!
As your question is more on ejabberd than Erlang itself, you can download ejabberd prepackaged with its own Erlang version from ProcessOne site: https://www.process-one.net/en/ejabberd/downloads
If you want to learn about alternative ways to install ejabberd, you can follow the official documentation: https://docs.ejabberd.im/admin/guide/installation/
You can for example see at bottom of the page instructions to build ejabberd from source if you prefer.
I am trying to check the file in your error but I don't see it in the sources: https://github.com/erlang/otp/tree/OTP-18.2.4/make Can you try to clone it directly from GitHub and then compile? Or...
I recommend you to download Erlang packages specifically precompiled for Ubuntu from Erlang Solutions: https://www.erlang-solutions.com/resources/download.html
I was using them whenever I had to install Erlang on Ubuntu and never had problems. The codename for your Ubuntu would be Trusty Tahr.
I've installed PHP 7 on my mac using Homebrew i.e.
$ brew install php70
Also I want to have the the XDebug setup on my machine.
Ideally I would love to have an easy solution like using brew again, but unfortunately it seems there is no such formula exist (at least yet), and the latest package is homebrew/php/php56-xdebug.
I thought before start the manual installation, check here to see if there are any other workaround.
Any advice will be greatly appreciated.
First, make sure you're on the version of PHP for which you want Xdebug installed. It needs to be installed separately for each major version (7.0 vs 7.1 vs 7.2). You can check your version using php -v.
Then, run pecl install xdebug.
Once it's finished installing, you'll see a message like this:
Installing '/usr/local/Cellar/php/7.2.8/pecl/20170718/xdebug.so'
Then go to your php.ini (which you can find by running php --ini, and add these two lines to it:
zend_extension="/usr/local/Cellar/php/7.2.8/pecl/20170718/xdebug.so"
xdebug.remote_enable=on
Obviously, change the path to whatever was printed by the pecl xdebug installation.
It is available in Homebrew now as homebrew/php/php71-xdebug.
Try:
brew install php71-xdebug
and if that doesn't work:
brew install --build-from-source php71-xdebug
Source: xdebug install on php70
As stated by Homebrew, Homebrew/php tag was deprecated.
So it's not possible to install xdebug through Homebrew anymore. Please use PECL instead: https://xdebug.org/docs/install#pecl
Since Brew is no longer working, you can use pecl to install the debugger.
It's not as good as brew, you may run into dependency problems but it works. Install php with brew, whatever version you want, then use pecl.
brew install php
pecl install xdebug
Xdebug 2.4.0beta1 already supports PHP 7. Unfortunately the only way for installation for now is to compile it from the source code.
If brew install php71-xdebug is not working, and it returns this error:
Error: No available formula with the name "php71-xdebug"
Try run this command first: brew tap homebrew/php .
I successfully installed Opencv via
sudo apt-get install libcv-dev libcv4 libcvaux-dev libcvaux4 libhighgui-dev libhighgui4 opencv-doc python-opencv
But now when I try to use ruby-opencv I keep getting
libopencv_calib3d not found.
error
What am I missing?
On Ubuntu 14.04 I had this issue, which was resolved using:
sudo apt-get install libopencv-dev
Try also
sudo apt-get install libopencv-calib3d2.3
Add libopencv-calib3d-dev if you need to compile the Ruby bindings yourself.
I'm having some trouble installing jekyll. Can't quite figure out how to patch the missing link. I think it's an update to Ruby, but RVM is having trouble installing alternate versions of ruby as well.
Heres the full post:
$ sudo gem install jekyll
ERROR: Error installing jekyll:
ERROR: Failed to build gem native extension.
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby extconf.rb
mkmf.rb can't find header files for ruby at /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/ruby.h
Gem files will remain installed in /Library/Ruby/Gems/1.8/gems/fast-stemmer-1.0.1 for inspection.
Results logged to /Library/Ruby/Gems/1.8/gems/fast-stemmer-1.0.1/ext/gem_make.out
Does this mean I need to update the version of ruby I'm using via rvm?
Ubuntu
sudo apt-get install ruby-dev
gem install jekyll
Your problem is that either you system doesn't know where make is located at or you don't have it installed. The easiest way to fix this (and probably other issues you'll run into trying to get a ruby system up and running) is to install xcode.
You can get it at http://itunes.apple.com/us/app/xcode/id497799835?ls=1&mt=12 for lion. Or it came on a CD with your computer for earlier versions.
If you're using Lion, please see comments below for a link to how to install developer tools on Lion.
I had the same error on Ubuntu and this helped me sort it out.
You must have ruby-dev installed
apt-get install ruby-dev
If you installed XCode and command line tools are still missing go to Terminal and
xcode-select --install
it will prompt you to install these tools. After that just follow SrBlanco´s answer. That solved the problem for me.
Good luck.
Need to install "make".
I am using Ubuntu 12.10.
sudo apt-get install make
Should work on any Debian based distro.
Note: this problem also occurs on newer MacBook Pro models that come with Mavericks pre-installed. I updated another post with my own solution that didn't involve Xcode at all. My system had the Xcode developer tools installed when I got the machine.
ERROR: Error installing jekyll: ERROR: Failed to build gem native extension
Install Xcode as mentioned if you don't have it installed already (https://developer.apple.com/xcode/). Plus you need the command line tools.
Open Xcode. Go to Preferences > Downloads > Install Command Line Tools
Installing command line tools for Xcode solved the problem for me on my Mac
xcode-select --install.
sudo apt-get install ruby-dev
sudo gem install jekyll
hope this will help, it works with me.
I had this same exact error when trying to install Jekyll, and the following steps from this link helped me. Just in case anyone else comes across this!
http://davidensinger.com/2013/03/installing-jekyll/
I was facing the same issue in my Fedora 22 setup. I had ruby installed but didn't have ruby-devel. Installing ruby-devel fixed the issue for me.
dnf install -y ruby-devel
For older systems:
yum install -y ruby-devel
I followed this on Ubuntu/Linux Mint
sudo apt install build-essential
sudo apt install ruby-dev
sudo gem install jekyll
An addendum: You can install XCode now from the App Store on Mountain Lion. The process is transparent and pretty fast.
I had the same problems with you.
I use Mac OS X 10.9 develop preview version, and I had installed gcc and Xcode.
But my Xcode version is 4.6.
Then I install the Xcode 5.0
After that I type sudo gem install jekyll in the terminal again. Then it works.
Wish it could help someone.
Installing Xcode and going to perferencs > downloads > install commandline tools WORKS!
Same problem on Debian, I had forgot to run this command:
~/.rvm/scripts/rvm
All these answers did NOT work for me.
If you're looking for a solution on ubuntu 14.04, do this:
sudo apt-get install ruby1.9.1-dev zlib1g-dev nodejs
sudo gem install jekyll -v 2.5.3
Unfortunately, nodejs is required because of a bug in Jekyll that enforces existence of runtime JS engine even though it doesn't need one.
For Ubuntu, this helped in my case:
apt-get install libffi-dev
A general advice is to just follow what is displayed as the reason for the error and hopefully you'll be provided with a log file in which the first line suggests which package should be installed, in my case:
To see why this extension failed to compile, please check the mkmf.log which can be found here:
/var/lib/gems/2.3.0/extensions/x86_64-linux/2.3.0/ffi-1.9.21/mkmf.log
MacOS
my solution to this problem
install xcode
type xcode-select --install in the command line
type sudo gem install jekyll in the command line
PS: It is the combination of the two answers in this question.
You are missing the ruby-dev file , just go ahead and run this command - sudo apt-get install ruby-dev
Hope this helps!!
I had the same issue on my macOS(10.14.2), the reason may be:
Apparently with OSX el Capitan, there is a new security function that prevents you from modifying system files called Rootless.
My solution is using rvm:
install ruby on Mac OS X with RVM
gem install jekyll
On windows I have this issue
I actually installed the version rubyinstaller-devkit-2.6.3-1-x64 of ruby
I have removed the ruby completely and Installed the rubyinstaller-devkit-2.5.5-1-x64
and issued the following commands on powershell
gem install bundler
gem install jekyll
and this time no errors where found
I had this issue and of all things, the error was occurring because I hadn't agreed to some updated terms of service in xcode. Running the following did the trick for me. Go figure.
sudo xcodebuild -license accept
For me, I had to upgrade homebrew and install rbenv to the latest ruby version. After that, I followed the instruction at jekyll website. My OS is Catalina 2019, I couldn't install Xcode, which is not compatible yet!
You have to set the path in your .bash_profile to make sure that it initializes the rbenv when you restart your terminal.
export PATH="$HOME/.rbenv/bin:$PATH"
eval "$(rbenv init -)"
then
$ rbenv version
2.2.3 (set by /Users/mislav/.rbenv/version)
$ rbenv shell
rbenv: no shell-specific version configured
hope that help!
Here is the (only?) reliable and simple way to install Jekyll on macOS
Install UTM
Install Ubuntu Server
Install Jekyll using Ubuntu instructions at https://jekyllrb.com/docs/installation/ubuntu/
Forward port 22 in the VM settings (22->localhost->22)
Use VS Code on the macOS host
Install Remote SSH
Connect to USER#localhost
Drag and drop the folder on Mac into VS Code (this transfers files to remote)
Enable port forwarding for 4000 (bottom bar on VS Code)
Work on your website
Right click on your website on the file explorer and click download
If you have not done these steps, you might be delighted by:
Ubuntu imports your public SSH key from GitHub
VS Code magically handles file transfer in and out
VS Code magically installs your VS Code extensions onto the remote server and allows file search on the remote host