Step 1: boot into rescue mode Some server provider provide feature Reload Operating System Step 2: find mount root filesystem Step 3: mount root filesystem…
What is Secure Copy? scp allows files to be copied to, from, or between different hosts. It uses ssh for data transfer and provides the same authentication and…
A replica set is a cluster of MongoDB database servers that implements master-slave (primary-secondary) replication. Replica sets also fail over automatically, so if one of…
You can choose any version you want here Example: Python 3.8.6 https://www.python.org/downloads/release/python-386/ Source code: https://www.python.org/ftp/python/3.8.6/Python-3.8.6.tgz Step 1: install requirements Step 2: Download source code Result:…
CentOS Nginx PHP-fpm: how to fix error: connect() to 127.0.0.1:9000 failed (13: Permission denied) while connecting to upstream Step 1: Check error.log Step 2: Solution:…