You rapidly confuse the systemd process if you manually start/stop/restart 
PostgreSQL by hand. Always use the service or systemctl command for doing 
anything.

—
Jay

Sent from my iPad

> On Dec 5, 2019, at 10:31 AM, Pepe TD Vo <pep...@yahoo.com> wrote:
> 
> 
> yes I do have a righ systemd service file named 'postgresql-11' and its 
> located /usr/lib/systemd/system/
> 
> Here what I did so far after make install.
> 
>  
> 
> mkdir /usr/local/pgsql/log
> 
> Run
> 
> ./usr/local/pgsql/bin/pg_ctl –D /postgres_data/pgsql/data –l 
> /usr/local/pgsql/log/logfile start
> 
> psql
> 
> in the psql shell
> 
> psql# create user replica replication login encrypted password ‘replicauser@’;
> 
> psql# alter user postgres password ‘password@’;
> 
>  
> 
> configure postgresql.conf:
> 
> port = 5432
> 
> unix_socket_directorys = ’tmp’
> 
> max_files_per_process = 1000
> 
> listen_addresses = ‘localhost, 192.168.2.122 ‘  à (master-server-ip)
> 
> wal_level = replica
> 
> max_replication_slots = 10
> 
> archive_mode = on
> 
> archive_command = ‘cp –I %p /u02/postgres/main/archive/%f’
> 
> max_wal_senders = 10
> 
> wal_keep_segments = 64
> 
>  
> 
> for pg_hba.conf, I added:
> 
> local       all              postgres                                 md5     
>           à authenticate postgres
> 
> host       replication  replica   192.##.##.##/32      md5               à 
> master-server
> 
> host       replication  replica   192.##.##.##/32      md5               à 
> slave-server
> 
>  
> 
> $ mkdir –p /u02/postgres/main/archive
> 
> $ systemctl restart postgresql
> 
> === AUTHENTICATING FOR org.freedesktop.systemd1.manage-units ===
> 
> Autehtication is required to manage system services or units.
> 
> Authenticating as: sysmaint
> 
> Password:
> 
> === AUTHENTICATION COMPLETE ===
> 
> Job for postgresql-11.service failed because the control process existed with 
> error code. See “systemctl status postgresql-11.service” and “journalctl –xe” 
> for details.
> 
> For the status, it complained about 
> /usr/lib/systemd/system/postgresql-11.service; disabled; vendor preset: 
> disabled_
> 
> Active: failed (Result: exit-code) since date: time
> 
> Process:10188 ExecStartPre=/usr/pgsql-11/bin/postgresql-11-check-db-dir 
> ${PGDATA} (code=existed, status=1/FAILURE)
> 
>  
> 
> I un-commented data_directory and correct the path to postgresql.conf per SA 
> suggested and still get the same error above
> 
> data_directory = ‘/postgres_data/pgsql/data/’   --> data folder is on shared 
> drive.
> hba_file = ‘/postgres_data/pgsql/pg_hba.conf’
> 
>  
> 
> still prompt for the user’s password even I am logging as postgres os user.
> 
> the binary (postgres_home) = /usr/local/pgsql/  should owned by root:root, 
> right? 
> 
> The problem I think but not sure I am right, I found there’s another source 
> on /usr/pgql-11/bin existed on the server.  When the SA installed the OS 
> Patch, the server had postgres-9.6.  I can run any date for Postgresql 11.  
> He applied OS Patches updated, removed 9.6 and yum the 
> postgresql11-11.1-1PGDG.rhel7.x86_64.rpm successful, configure, make and make 
> install and start the postgresql service without error until the 
> configuration of pg_hba.conf and postgresql.conf.  The restart service failed.
> 
> Wonder if I can remove /usr/pgql-11 or not but not sure which one is the 
> corrected binaries.  Comparing with the single node postgres server I did 
> last year, the /usr/local/pgsql sounds convinced right binaries one but 
> /usr/pgsql-11 have more functions.
> 
> 
> Bach-Nga
> 
> No one in this world is pure and perfect.  If you avoid people for their 
> mistakes you will be alone. So judge less, love and forgive more.
> To call him a dog hardly seems to do him justice though in as much as he had 
> four legs, a tail, and barked, I admit he was, to all outward appearances. 
> But to those who knew him well, he was a perfect gentleman (Hermione Gingold)
> 
> **Live simply **Love generously **Care deeply **Speak kindly.
> *** Genuinely rich *** Faithful talent *** Sharing success
> 
> 
> On Wednesday, December 4, 2019, 05:59:20 PM EST, Matthew Tice 
> <mjt...@gmail.com> wrote:
> 
> 
> Do you have a systemd service file named `postgres-11`?  If so, what are the 
> contents of it and the location of the file on the file system?
> 
> On Wed, Dec 4, 2019 at 1:39 PM Pepe TD Vo <pep...@yahoo.com> wrote:
> the permission and owner are right.  to add the authentication into the 
> pg_hba.conf but when I try to start up the postgres, it prompts me for 
> password logged in, even I logged in directly from postgres os user not su 
> from root and/or another os user.
> ==== AUTHENTICATING FOR org.freedesktop.systemd1.manage-units ===
> Authentication is required to manage system services or units.
> Authenticating as: user1
> Password:
> ==== AUTHENTICATION COMPLETE ====
> Failed to start postgres-11.service: unit not found
> SA worked around with me and still can't start the postgresql service.
> Bach-Nga
> 
> No one in this world is pure and perfect.  If you avoid people for their 
> mistakes you will be alone. So judge less, love and forgive more.
> To call him a dog hardly seems to do him justice though in as much as he had 
> four legs, a tail, and barked, I admit he was, to all outward appearances. 
> But to those who knew him well, he was a perfect gentleman (Hermione Gingold)
> 
> **Live simply **Love generously **Care deeply **Speak kindly.
> *** Genuinely rich *** Faithful talent *** Sharing success
> 
> 
>> On Wednesday, December 4, 2019, 02:36:21 PM EST, Isaías Sánchez 
>> <isaias.sanche...@gmail.com> wrote:
>> 
>> 
>> Verify file permission is right, sometimes if you edit a conf file it 
>> changes owner and access permission
>> 
>> En 4 de diciembre de 2019 18:55:38 Pepe TD Vo <pep...@yahoo.com> escribió:
>> 
>> Hi experts,
>> 
>> I am trying to install Postgresql 11.1 replication master-slave.  The 
>> configure, make and make install went well.  Initdb to the shared drive and 
>> psql are up and running. After configured pg_hba.conf and postgresql.conf, I 
>> can't restart the service and/or reload.  Error is:
>> ATHENTICATING for org.freedesktop.systemd1.manage-units ---
>> Athentication is required to manage system services or units.
>> authenticating as :user1
>> Password:
>> -- ATHENTICATION COMPLETE --
>> Failed to start psotgres-11.service: unit no found.
>> 
>> I worked around and add the postgres on pg_hba.conf and using pg_ctl to 
>> reload the service.  Postgres server stopped but can't start, it complained 
>> about checkpoint_segments which I have set its to 8.
>> 
>> Working with SA to reconfigure the authenticating and the server reaching 
>> out and getting authenticaion from org.freedesktop.systemd1.nanage-units.  
>> How can I by pass this issue and bring the postgres up?
>> 
>> 
>> Bach-Nga
>> 
>> No one in this world is pure and perfect.  If you avoid people for their 
>> mistakes you will be alone. So judge less, love and forgive more.
>> To call him a dog hardly seems to do him justice though in as much as he had 
>> four legs, a tail, and barked, I admit he was, to all outward appearances. 
>> But to those who knew him well, he was a perfect gentleman (Hermione Gingold)
>> 
>> **Live simply **Love generously **Care deeply **Speak kindly.
>> *** Genuinely rich *** Faithful talent *** Sharing success
> 
> 

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