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								How to self-start the php-fpm service when building a LNMP environment with docker?
								
 in order to facilitate development, we plan to create a LNMP environment based on docker, which makes it much more convenient to change computers or unify the team  s development environment. 
 choreographed a docker-compose.yaml file with nginx, php-fp... 
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								Centos7shell postgres login failed
								   Baidu said that there is a problem with the verification method in the file   var lib pgsql 9.5 data pg_hba.conf, but the reason for changing the verification method is to use the command psql-U postgres-d mydjango-p 5432-h 127.0.0.1  to log in directl... 
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								Nginx failed to start
								
 prompt as follows: 
 Starting nginx: nginx: [emerg]  "server " directive is not allowed here  in   etc nginx nginx.conf:17 
 what is the reason for this? How to solve it? 
... 
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								Prompt "SSL handshake failed" when connecting to ApacheDS.
								
 CentOS7 installation started ApacheDS successfully, but the connection could not be created successfully using Apache Directory Studio: 
The authentication failed
 - SSL handshake failed.
  org.apache.directory.ldap.client.api.exception.InvalidConnectio... 
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								Linux failed to install pm2!
								
 1. Execute npm install-g pm2 
  
2.pm2 pm2 start app.js
pm2
 
3.ln -s  root myapp pm2  usr local bin 
 
 still failed to solve the problem 
 messed up for a long time because no soft connection was created. 
ln -s  root node-v8.9.0-linux-x64 lib node_... 
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								About the inaccessibility of the website (https+nginx+dns parsing)
								
 in order to obtain Tencent Cloud  s ssl certificate, enter the URL domain name  after modifying the non-Wanwang domain name registered by Aliyun. 
 the website cannot be accessed. Has anyone encountered  ?
 nginx is normal:  [root@iZwz9hbv3lrr68d8bo5dvp... 
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								Cannot request resources under https when centos6.x uses wget or curl?
								
 two servers in the same Ali cloud environment  A: 
[root@AY140220152843902sdg46ZsG ~]-sharp openssl version -a
OpenSSL 1.0.1e-fips 11 Feb 2013
built on: Wed Mar 22 21:43:28 UTC 2017
 although the version is very long, according to built on, there is an ... 
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								Failed to create a project using Vue.js in python3 virtual environment in centos system
								
 
vue
chromedriver@2.37.0  
... 
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								It was killed when compiling the vue project on centos.
								
 when compiling a vue project on Aliyun  s centos, it is always unsuccessful, always prompting Killed, and no other errors. What  s going on? 
 
cpunodebuildcpu100%Killedcpu
node buildmacwindowsbuildlinuxcentosnode 
... 
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								Does the installation of CNPM report an error under the centos6.9 system?
								
 when I install cnpm, I prompt the following error (node:v8.11.1 npm:5.6.0 on centos6.9)  npm err! Path   download node-v8.11.1-linux-x64 lib node_modules cnpm node_modules npm node_modules JSONStream npm-shrinkwrap.json  npm err! Code ELOOP  npm err! Er... 
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								VMware prompts this host to support Intel VT-x, every time, but Intel VT-x is disabled.
								 about vmware virtual machine installation ubuntu and centos cannot be started, restart many times, VMware prompts this host to support Intel VT-x, but Intel VT-x is disabled each time.  I use Huawei desktop computer, I enter the BIOS system, the display ... 
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								Redis server went away
								
< H1 > 1. Problem description <   H1 >
 No error is reported when the command line runs, and: redis server went away error occurs in the form of browser access server script 
< H1 > Test Code: <   H1 >
 
:
 
< H1 > problem speculation <   H1 >
1.php-redi... 
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								How does centos7 locate and solve the problem of slow DNS resolution when accessing the public network?
								
 the server is located in Guangdong. The following three groups of dns have been used, and the dns parsing time is more than 5 seconds .
< table >
< thead > < tr >
< th align=  "center " > serial number <   th >
< th align=  "center " > dns1 <   th >
< t... 
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								Centos7 Firewall startup failed
								
< H2 > failed to start firewalld in centos7 <   H2 >
 I don  t know if there is something wrong with the setting, resulting in the use of the command 
2018-04-03 14:36:13 WARNING: ICMP type   beyond-scope   is not supported by the kernel for ipv6.
2018-0... 
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								Python crawls web pages without data
								 use python  s requests to crawl web pages  did not return html source code, only the following data was returned  beg for advice   ... 
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								What is the default folder directory for centos?
								
 Open the domain name and show something  
 I would like to ask how to find this corresponding file where is it? 
... 
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								How to transfer the data from the centos server to the local windows computer on Synchronize?
								 problem description:  Server is centos  Utility tool: rsync or other  client is windows10  use SSH port  requirement: Synchronize the data increment from the centos server to the local windows10 computer. ... 
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								Type object 'Meta' has no attribute' model'
								
 (venv3_ETC) [root@iZwz9hbv3lrr68d8bo5dvpZ goods]-sharp python views.py  Traceback (most recent call last):  File  "views.py ", line 5, in < module > 
from .serializer import GoodsSerializer
 ModuleNotFoundError: No module named  _ main__.serializer  ;  ... 
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								Operation error report under centos6.9 shared folder installed by virtualbox under windows
								
 I do front-end development, the company develops under  linux  environment, I install  centos6.9  through  virtualbox  in  windows  system, use  virtualbox  to set up a shared folder ( sudo mount-t vboxsf centosShare ~   centosShare ), and can modify fi... 
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								Centos 7.4 pm2 automatic deployment of node failed.-bash: pm2: command not found
								
  Screenshot cannot be uploaded under mac. What the heck  
 enter the command in Tencent Cloud server to get the result 
whereis pm2
pm2:  usr bin pm2  usr local node-v6 bin pm2
{
    "apps": [{
        "name": "music",...