With RBENV to manage multiple versions of the Ruby environment, we also need a tool to manage multiple versions of gems (such as rails), which is bundler, the project background is not in detail, need to understand directly to the official website http://bundler.io/, There are only a few practical experiences to use here.
Installation
Gem Install Bundler
Use
mkdir App1; CD App1;
echo
System Environment: Windows 7 SP1
Ruby version: 1.9.2-P0
Devkit version: 4.5?
When you install eventmachine in this environment, errors are always reported.
Building native extensions. This cocould take a while...Error: Error installing eventmachine:Error: failed to build gem native extension.
This prompt keeps going, and there is still one more difficult error, which is the c compilation error.
1. Input: Yum install Ruby1.1 Error downloading Packages If installation file is wrong:Input: Yum Clean allinput:yum Makecache, at this point if error cannot find a valid BaseURL for repo:base/7/x86_64,Open Vi/etc/sysconfig/network-scripts/ifcfg-enp4s0 (each machine may be different, but the format will be "Ifcfg-e ..."). But the content contains:Restart Network input: Service network restartAnd then type: Yum Makecache2. In the input: Yum
Install memcacheq in Centos
1. Install memcached1. Download The memcached package: Http://www.memcached.org (the latest package on the home page, click to download it OK)Decompress package: # tar-zxvf memcached-1.4.13.tar.gz (extract to the directory according to your own situation)Go to the directory: # cd memcached-1.4.132.
(node02, node03 ,...) You can. If you are interested in other similar open-source cloud computing platforms, you can install and configure OpenStack Nova on Ubuntu, and install OpenNebula 4.0 on CentOS 6.4. here: install and configure OpenNebula 4.0 on CentOS.Front-End installation and configuration)
Add
Install Gitlab5.1 full version in CentOS
I found many blogs and found that Gitlab is installed on Ubuntu or Fedora. Basically, there are errors Based on CentOS. This article is myThe results of the two-week Continuous testing work overtime are installed according to this article.
System Environment: CentOS 5.8 x86_64
The CentOS of Linux Learning (i)----install CentOS 7 in a VMware virtual machine
First, VMware Introduction:
VMware is a Virtual PC software that can virtual a new hardware environment on an existing control system, which is equivalent to simulating a new PC to actually run two separate operating systems on a single machine.
The main features of VMware: two or m
closed source code software.
CentOS 7 Download Address: http://www.jb51.net/softs/188482.html
Third, the installation of CentOS:
Virtual machine version: VMware workstation_10.0.3
Linux system version: Centos_7 (64-bit)
Physical machine Version: Win 7 flagship edition
Note: I am the beginner, installs the CentOS on the virtual machine, facilitates simultan
Install MPlayer in CentOS 6.x and CentOS 7
CentOS 6.xSmplayer exists in the repo of CentOS 6. x of RPMforge (now called RepoForge), so install yum directly.
$ Yum install smplayer -- en
redmine-2.5.2.tar.gz
Copy the decompressed redmine-2.5.2 to the web directory. The redmine directory mentioned later refers to the directory generated after decompression.
3. modify the configuration file in the redmine directory
# Cp config/database. yml. Example config/database. yml
# Vi config/database. yml
Production:
Adapter: mysql2
Database: redmine
HOST: localhost
Username: redmine
Password: my_password
// Note that my_password is your MySQL password.
4.
1. When installing CentOS with a USB flash drive, partition partitions should note: The system (contains Win7) can only be 4 primary partitions, so you can only delete a primary partition or in the extended partition in the free partition to establish the directory.2, CentOS at the end of the installation step, the boot loader option only "installed on the USB stick" One, note: not easily installed on the M
Install CentOS 7 and centos with a USB flash drive on Windows 7
If you already have Windows 7, you have to install CentOS 7 again.1. Divide disk space
Separate the installation space for CentOS 7 from the disk. If you have multipl
The installation and configuration of redmine under centos-general Linux technology-Linux technology and application information. The following is a detailed description. 1. First install some related libraries
Yum groupinstall "Development Tools"
Yum install zlib-devel wget openssl-devel pcre-devel make gcc-c ++ curl-devel
2. Since it is written in
How to install "CentOS webpage panel" on CentOS"About CentOS webpage panel
There are currently many free or paid control panels. Today, we will discuss the CentOS web page Panel (CWP), which is specially designed for RPM-based releases such as
CentOS Common Settings
1. Hide title bar when maximized
Or use Tweak tool to set the title bar font to 0 in the font ... Suggest this method.
2. Add Epel Source
Yum-y--nogpgcheck Install http://download.fedoraproject.org/pub/epel/7/x86_64/e/epel-release-7-2.noarch.rpm
3 Add Elrepo Source:1 Import Key:Wget-c https://www.elrepo.org/RPM-GPG-KEY-elrepo.orgRPM--import rpm-gpg-key-elrepo.org2 Add Source: RPM-UV
Install MySQL in CentOS and MySQL in CentOS
First, install the mysql server online through the network link! (Note: When I log on to the server, I use another user instead of a super administrator. Therefore, when installing MySQL, I need to switch to the super administrator to ins
Install CentOS 7 and CentOS 7
Install with a USB flash drive
1. Use CentOS 7 system image to create a USB disk boot disk
1) download the CentOS 7 System Image
: Http://mirrors.aliyun.com/cen
The purpose of this experiment is to record the complete process of installing the centos 6.2 server.
Host Machine: Dell poweredge 380, Intel core2 duo CPU e7500 2.93 GHz, 4 gb ram, 64-bit Windows 7 flagship edition.
VM software: VMware Workstation 7.0.1 build-227600.
Centos version: centos 6.2.
1. Open vmware workstation and create a
Install sshpass in CentOS 6 and sshpass in centos
As for Ubuntu, the default yum install sshpass cannot install sshpass. The following steps are required:
Cd/etc/yum. repos. d/wget http://download.opensuse.org/repositories/home:Strahlex/CentOS_CentOS-6/home:Strahlex.repo
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.