Category: tips

4 posts in “tips”

Kubernetes Installation

Prerequisite (all nodes) yum update Install CRI (Docker) Install Docker from CentOS/RHEL repository yum install -y docker systemctl enable docker.service Setup daemon cat > /etc/docker/daemon.json ...

Kubernetes - restrict user access to one namespace

In this example, we will create dev namespace and token for access this namespace only Create Namespace kubectl create namespace dev Create Service Account with permissions Create file permission-dev-...

Certificate note

Create CA Generate CA key Generate RSA key, keysize = 2048, encrypt the key by des3 openssl genrsa -des3 -out server.CA.key 2048 Remove password of key (it can be rename to pem file) openssl rsa -in s...

Using gdb

launch gdb gdb <execute path> [core file path] run run [args] r [args] make break point b line_number break line_number break [file_name]:line_number break [file_name]:func_name Printing the var...

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