Linux-PAM (short for Pluggable Authentication Modules which evolved from the Unix-PAM architecture) is a powerful suite of shared libraries used to dynamically authenticate a user to applications (or…
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Month: November 2021
PostgreSQL Replication Slots
Back in the days when “Replication Slots” were not yet introduced, managing the WAL segments were a challenge. In standard streaming replication, the master has…
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Vacuum problems solving
Why VACUUM?Whenever rows in a PostgreSQL table are updated or deleted, dead rows are left behind. VACUUM gets rid of them so that the space…
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PostgreSQL 14 Streaming Replication (Sync / Async) on CentOS 7
Using High Availability is a requirement for companies all over the world. Streaming replication allows a standby server to stay more up-to-date than is possible…
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Replication Slots in PostgreSQL ?
What are WAL Files? Write-Ahead Log (WAL) is a record of the changes made to the data. It ensures that when there is a crash…
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Postgresql-14 Installation on Centos 7
yum -y install https://download.postgresql.org/pub/repos/yum/reporpms/EL-7-x86_64/pgdg-redhat-repo-latest.noarch.rpm
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Integrate LDAP with local users in PostgreSQL
You want to allow LDAP users can use their passwords in login but you don’t want to create non-person accounts like application users in LDAP.…
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