Install phpmyadmin 404 not found

Peace-Keeper · Nov 7, 2015

I've followed this guide to the letter
Addon phpmyadmin.sh - CentminMod.com LEMP Nginx web stack for CentOS

And anytime I point my browser to:

https://example.com/XXXXXX_mysqladmin_YYYYYY

I get a nice nginx page that tells me 404 not found

eva2000 · Nov 7, 2015

A few things to try

If you upgraded PHP after you installed phpmyadmin addon, try clearing browser cache and restarting nginx and php-fpm

Check nginx error and access log - FAQ item 19 and Config Files page for overview.

Ensure you have a valid DNS for the main hostname pointing to your server's IP address

Ensure main hostname is setup as per step 1 of Getting Started Guide where main hostname is not the same as a site's nginx vhost domain name. They have to be different as outlined in the difference and summary of Getting Started Guide.

Summary
End result is that visiting:

hostname.newdomain.com should have a valid working DNS entry (either an A record pointing to server's IP address or CNAME entry) and should go to default Nginx setup page which is controlled via Nginx vhost configuration file at /usr/local/nginx/conf/conf.d/virtual.conf with document root at /usr/local/nginx/html

newdomain.com should also have a valid DNS entry preferably A record pointing to server IP address and go to your site's pages controlled via Nginx vhost configuration file at /usr/local/nginx/conf/conf.d/newdomain.com.conf with document root at/home/nginx/domains/newdomain.com/public

Click to expand...

This allows the main hostname vhost to house all the PHP and nginx statistic pages and phpmyadmin urls.

So ensure the server_name listed in main hostname vhost at /usr/local/nginx/conf/conf.d/virtual.conf isn't referenced in other nginx domain vhost files.

rc112 · Feb 12, 2018

Hi
I encountered 404 error while loging into phpmyadmin. I tried the advices above but I have main hostname and subdomain are pointing to different IP address because they are hosted on different servers. I am a bit confused about the hostname thing. Please Kindly help. Thanks.

eva2000 · Feb 12, 2018

rc112 said: ↑

Hi
I encountered 404 error while loging into phpmyadmin. I tried the advices above but I have main hostname and subdomain are pointing to different IP address because they are hosted on different servers. I am a bit confused about the hostname thing. Please Kindly help. Thanks.
Click to expand...

Getting Started Guide step 1 outlines that you need to setup a proper main hostname for centmin mod server and with valid DNS A record to server IP Getting Started Guide - CentminMod.com LEMP Nginx web stack for CentOS. So solution is

for subdomain that Centmin Mod is serving, change the main hostname used for that server to a different hostname for just that server using Getting Started Guide step 1 method and updating server_name in main hostname nginx vhost at /usr/local/nginx/conf/conf.d/virtual.conf to the updated main hostname

As per Getting Started Guide bottom summary

Summary
End result is that visiting:

hostname.newdomain.com should have a valid working DNS entry (either an A record pointing to server's IP address or CNAME entry) and should go to default Nginx setup page which is controlled via Nginx vhost configuration file at /usr/local/nginx/conf/conf.d/virtual.conf with document root at /usr/local/nginx/html

newdomain.com should also have a valid DNS entry preferably A record pointing to server IP address and go to your site's pages controlled via Nginx vhost configuration file at /usr/local/nginx/conf/conf.d/newdomain.com.conf with document root at /home/nginx/domains/newdomain.com/public

Click to expand...

rc112 · Feb 12, 2018

I followed the docs and ran hostnamectl status. Transient hostname is not changed?

Code:

[demo@do ~]$   hostnamectl status
   Static hostname: do.wooshop.com.tw
Transient hostname: do.wooshop.om.tw
         Icon name: computer-vm
           Chassis: vm
        Machine ID: 764ff400d2334621a060ec79b096e787
           Boot ID: f68028c7fdfe4dfab65e9e82d895afa7
    Virtualization: kvm
  Operating System: CentOS Linux 7 (Core)
       CPE OS Name: cpe:/o:centos:centos:7
            Kernel: Linux 3.10.0-693.11.6.el7.x86_64
      Architecture: x86-64
[demo@do ~]$ nmcli general hostname
-bash: nmcli: command not found
[demo@do ~]$ nano nmcli general hostname
[demo@do ~]$ cat /etc/cloud/cloud.cfg

rc112 · Feb 12, 2018

It worked after I tried this.
Code:
sudo hostnamectl --transient set-hostname do.wooshop.com.tw
But I got new problem when installing phpmyadmin
Code:
Warning: detected possible duplicate server_name entry
main hostname vhost server_name value has to be unique
and separate from any other nginx vhost site you addded
Check your server_name in /usr/local/nginx/conf/conf.d/virtual.conf
read Step 1 of Getting Started Guide for main hostname
proper setup https://centminmod.com/getstarted.html
I installed wordpress (option 22) on subdomain and have main domain hosting on another server. How can I have the hostname configured properly? Please Kindly help. Thank you so much.

eva2000 · Feb 12, 2018

did you update server_name listed in main hostname nginx vhost /usr/local/nginx/conf/conf.d/virtual.conf to the updated hostname as well ? main hostname needs to be different from your site's domain name.

rc112 · Feb 12, 2018

yes it is different from WP installation on do.wooshop.com.tw
Code:
server {
            listen 80 default_server backlog=2048 reuseport;
            server_name wooshop.com.tw;
            root   html;

eva2000 · Feb 12, 2018

What does your /usr/local/nginx/conf/conf.d/virtual.conf and /usr/local/nginx/conf/conf.d/yourdomain.com.conf contents look like ? Make sure virtual.conf main hostname's server_name isn't same as any added nginx vhost site's domain name as per Getting Started Guide step 1, the main hostname needs to be unique.

You can check via recursive grep filter of your domain name in vhost directory at /usr/local/nginx/conf/conf.d
Code (Text):
grep -rnw 'yourdomain.com' /usr/local/nginx/conf/conf.d
Code (Text):
grep -rnw 'hostname.yourdomain.com' /usr/local/nginx/conf/conf.d
Also check DNS is correct use dig to check DNS for domain
Code (Text):
dig +short A @8.8.8.8 yourdomain.com
dig +short A @8.8.8.8 www.yourdomain.com
dig +short A @8.8.8.8 hostname.yourdomain.com
check HTTP headers via curl for both HTTP (and HTTPS if you have HTTPS/SSL)
Code (Text):
curl -I http://yourdomain.com
curl -I http://www.yourdomain.com
curl -I https://yourdomain.com
curl -I https://www.yourdomain.com
curl -I http://hostname.yourdomain.com

rc112 · Feb 12, 2018

Thank you so muhc @eva2000 Here is the output.

Code:

[04:13][root@do.wooshop.com.tw conf.d]# cat  /usr/local/nginx/conf/conf.d/virtual.conf
server {
            listen 80 default_server backlog=2048 reuseport;
            server_name wooshop.com.tw;
            root   html;

Code:

[04:16][root@do.wooshop.com.tw conf.d]# cat do.wooshop.com.tw.ssl.conf

#x# HTTPS-DEFAULT
 server {

   server_name do.wooshop.com.tw www.do.wooshop.com.tw;
   return 302 https://do.wooshop.com.tw$request_uri;
   include /usr/local/nginx/conf/staticfiles.conf;
 }

server {
  listen 443 ssl http2;
  server_name do.wooshop.com.tw www.do.wooshop.com.tw;

  include /usr/local/nginx/conf/ssl/do.wooshop.com.tw/do.wooshop.com.tw.crt.key.conf;
  include /usr/local/nginx/conf/ssl_include.conf;

Code:

[04:10][root@do.wooshop.com.tw conf.d]# dig +short A @8.8.8.8 wooshop.com.tw
35.194.229.194
[04:12][root@do.wooshop.com.tw conf.d]# dig +short A @8.8.8.8 www.wooshop.com.tw
webredir.vip.gandi.net.
213.167.231.2
[04:12][root@do.wooshop.com.tw conf.d]# dig +short A @8.8.8.8 do.wooshop.com.tw
159.89.200.227

Code:

[04:16][root@do.wooshop.com.tw conf.d]# grep -rnw 'wooshop.com.tw' /usr/local/nginx/conf/conf.d
/usr/local/nginx/conf/conf.d/virtual.conf:3:            server_name wooshop.com.tw;
/usr/local/nginx/conf/conf.d/do.wooshop.com.tw.ssl.conf:5:   server_name do.wooshop.com.tw www.do.wooshop.com.tw;
/usr/local/nginx/conf/conf.d/do.wooshop.com.tw.ssl.conf:6:   return 302 https://do.wooshop.com.tw$request_uri;
/usr/local/nginx/conf/conf.d/do.wooshop.com.tw.ssl.conf:12:  server_name do.wooshop.com.tw www.do.wooshop.com.tw;
/usr/local/nginx/conf/conf.d/do.wooshop.com.tw.ssl.conf:14:  include /usr/local/nginx/conf/ssl/do.wooshop.com.tw/do.wooshop.com.tw.crt.key.conf;
/usr/local/nginx/conf/conf.d/do.wooshop.com.tw.ssl.conf:18:  #ssl_client_certificate /usr/local/nginx/conf/ssl/cloudflare/do.wooshop.com.tw/origin.crt;
/usr/local/nginx/conf/conf.d/do.wooshop.com.tw.ssl.conf:54:  access_log /home/nginx/domains/do.wooshop.com.tw/log/access.log combined buffer=256k flush=5m;
/usr/local/nginx/conf/conf.d/do.wooshop.com.tw.ssl.conf:55:  error_log /home/nginx/domains/do.wooshop.com.tw/log/error.log;
/usr/local/nginx/conf/conf.d/do.wooshop.com.tw.ssl.conf:57:  include /usr/local/nginx/conf/autoprotect/do.wooshop.com.tw/autoprotect-do.wooshop.com.tw.conf;
/usr/local/nginx/conf/conf.d/do.wooshop.com.tw.ssl.conf:58:  root /home/nginx/domains/do.wooshop.com.tw/public;
/usr/local/nginx/conf/conf.d/do.wooshop.com.tw.ssl.conf:64:  include /usr/local/nginx/conf/wpincludes/do.wooshop.com.tw/wpcacheenabler_do.wooshop.com.tw.conf;
/usr/local/nginx/conf/conf.d/do.wooshop.com.tw.ssl.conf:65:  #include /usr/local/nginx/conf/wpincludes/do.wooshop.com.tw/wpsupercache_do.wooshop.com.tw.conf;
/usr/local/nginx/conf/conf.d/do.wooshop.com.tw.ssl.conf:67:  #include /usr/local/nginx/conf/wpincludes/do.wooshop.com.tw/rediscache_do.wooshop.com.tw.conf;
/usr/local/nginx/conf/conf.d/do.wooshop.com.tw.ssl.conf:95:    auth_basic_user_file /home/nginx/domains/do.wooshop.com.tw/htpasswd_wplogin;
/usr/local/nginx/conf/conf.d/do.wooshop.com.tw.ssl.conf:129:  include /usr/local/nginx/conf/wpincludes/do.wooshop.com.tw/wpsecure_do.wooshop.com.tw.conf;
/usr/local/nginx/conf/conf.d/do.wooshop.com.tw.ssl.conf:134:  include /usr/local/nginx/conf/pre-staticfiles-local-do.wooshop.com.tw.conf;

eva2000 · Feb 12, 2018

what's output for this single command line

Code (Text):

SSLHNAME=$(uname -n); echo $SSLHNAME; grep -rw server_name /usr/local/nginx/conf/conf.d/ | grep -w "$SSLHNAME"; grep -rw server_name /usr/local/nginx/conf/conf.d/ | grep -w "$SSLHNAME" | wc -l

rc112 · Feb 12, 2018

Code:

[04:19][root@do.wooshop.com.tw conf.d]# SSLHNAME=$(uname -n); echo $SSLHNAME; grep -rw server_name /usr/local/nginx/conf/conf.d/ | grep -w "$SSLHNAME"; grep -rw server_name /usr/local/nginx/conf/conf.d/ | grep -w "$SSLHNAME" | wc -l
do.wooshop.com.tw
/usr/local/nginx/conf/conf.d/do.wooshop.com.tw.ssl.conf:   server_name do.wooshop.com.tw www.do.wooshop.com.tw;
/usr/local/nginx/conf/conf.d/do.wooshop.com.tw.ssl.conf:  server_name do.wooshop.com.tw www.do.wooshop.com.tw;
2

THANK YOU

eva2000 · Feb 12, 2018

rc112 said: ↑

[04:13][root@do.wooshop.com.tw conf.d]# cat /usr/local/nginx/conf/conf.d/virtual.conf server { listen 80 default_server backlog=2048 reuseport; server_name wooshop.com.tw; root html;
Click to expand...

oh i see the problem now, you should set main hostname in virtual.conf vhost as somehostname.domain.com not just the domain name.. i.e. host1.wooshop.com.tw and update that as per getting started guide step 1 for DNS etc

phpmyadmin.sh installer checks virtual.conf server_name entry against know server_name in /usr/local/nginx/conf/conf.d for duplicates so just using wooshop.com.tw matched against all subdomain entries too. If you had used something like host1.wooshop.com.tw it wouldn't of matched any of your entries in /usr/local/nginx/conf/conf.d

rc112 · Feb 12, 2018

So it should be like this

Code:

[04:32][root@do.wooshop.com.tw conf.d]# cat /usr/local/nginx/conf/conf.d/virtual.conf
server {
            listen 80 default_server backlog=2048 reuseport;
            server_name do.wooshop.com.tw;
            root   html;

        access_log              /var/log/nginx/localhost.access.log     combined buffer=8k flush=1m;
        error_log               /var/log/nginx/localhost.error.log      error;

rc112 · Feb 12, 2018

I still got the same error.

Code:

[04:33][root@do.wooshop.com.tw conf.d]# cd /usr/local/src/centminmod/addons
[04:35][root@do.wooshop.com.tw addons]#   ./phpmyadmin.sh install
expr: syntax error
---------------------------------------------------------------
Warning: detected possible duplicate server_name entry
main hostname vhost server_name value has to be unique
and separate from any other nginx vhost site you addded
Check your server_name in /usr/local/nginx/conf/conf.d/virtual.conf
read Step 1 of Getting Started Guide for main hostname
proper setup https://centminmod.com/getstarted.html

rc112 · Feb 12, 2018

eva2000 said: ↑

update that as per getting started guide step 1 for DNS etc
Click to expand...

What does this mean? Sorry.

eva2000 · Feb 12, 2018

rc112 said: ↑
Code (Text):
cat /usr/local/nginx/conf/conf.d/virtual.conf
server {
listen 80 default_server backlog=2048 reuseport; 
server_name do.wooshop.com.tw;
Click to expand...
no server_name listed in virtual.conf is your server's main hostname i.e. host1.wooshop.com.tw and has to be different from your site domain name do.wooshop.com.tw

rc112 said: ↑

What does this mean? Sorry.
Click to expand...

then create a DNS A record for host1.wooshop.com.tw pointing to server IP address so server main hostname will be host1.wooshop.com.tw and your site domain name would be do.wooshop.com.tw

from Getting Started Guide - CentminMod.com LEMP Nginx web stack for CentOS

Add DNS Entries For Hostname.Newdomain.Com
To be able to properly resolve your server's hostname.newdomain.com you need to add a DNS A record entry pointing to your server's main IP address for your newdomain.com's DNS via your domain registrar's domain DNS manager or if DNS is local via NSD (see step 3 below). You may also want to add a SPF/TXT DNS record for this hostname just to cover emails sent from your server via Postfix. For DNS A record, you can either use a CNAME DNS entry or my prefered is an A record pointing to your server's IP address. This way if you have 3x VPS servers with main hostnames like hostname1.newdomain.com ,hostname2.newdomain.com, hostname3.newdomain.com, I would add 3 separate A records for newdomain.com for hostname1, hostname2 and hostname3 pointing to 3 separate VPS servers' IP addresses.

If you're looking for a reliable and free DNS provider, you can use Cloudflare DNS Only hosting
Click to expand...

eva2000 · Feb 12, 2018

Also read config files overview page it outlines relationship between virtual.conf main hostname's vhost and your normal site's vhost Centmin Mod Configuration Files - CentminMod.com LEMP Nginx web stack for CentOS

/usr/local/nginx/conf/conf.d/virtual.conf - default main Nginx vhost config file for main hostname which is separate from your created site domain Nginx vhost config files. Getting Started Guide explains and illustrates the differences in step 1. The /usr/local/nginx/conf/conf.d/virtual.conf file has it's web root at /usr/local/nginx/html containing statistics and admin files as outlined here. These files are generally created with dynamically random prefixes so are unique to each Centmin Mod installation and as such the /usr/local/nginx/conf/conf.d/virtual.conf entries for password protection etc are set to unique specific location context matches for those dynamically generated files. So if you change name of those random prefix generated files in /usr/local/nginx/html, you will need to edit the associated location context matched values in /usr/local/nginx/conf/conf.d/virtual.conf

Click to expand...

rc112 · Feb 12, 2018

eva2000 said: ↑

no server_name listed in virtual.conf is your server's main hostname i.e. host1.wooshop.com.tw and has to be different from your site domain name do.wooshop.com.tw
Click to expand...

I am sorry but a little confused. I think my hostname is do.

eva2000 said: ↑

then create a DNS A record for host1.wooshop.com.tw pointing to server IP address so server main hostname will be host1.wooshop.com.tw and your site domain name would be do.wooshop.com.tw
Click to expand...

yes I create A record to point to the server. The web page (do.wooshop.com.tw – Just another WordPress site )works well.

eva2000 · Feb 12, 2018

what is your woocommerce site's domain name ? that domain name can't be the same domain name listed in virtual.conf server_name as that has to have it's own main hostname.

So if my site is centminmod.com, i have to set main hostname in virtual.conf to a separate hostname from centminmod.com i.e. mainhost.centminmod.com

so if do.wooshop.com.tw is your woocommerce site domain name, set main hostname in virtual.conf as host1.wooshop.com.tw

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