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luzfcb/oracle_instant_client_install.sh

Created April 15, 2026 12:25
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oracle_instant_client_install.sh
#!/bin/bash
set -euo pipefail
# Configurations
# latest version of instant client basic lite
export ORACLE_INSTANT_CLIENT_URL="https://download.oracle.com/otn_software/linux/instantclient/instantclient-basiclite-linuxx64.zip"
TMP_DIR="/tmp/oracle"
INSTALL_DIR="/opt/oracle"
echo "Starting the Oracle Instant Client installation..."
# 1. Prepare directories
mkdir -p "$TMP_DIR"
sudo mkdir -p "$INSTALL_DIR"
# 2. Download
echo "Downloading the package..."
wget --progress=dot:giga --tries 3 --wait 2 --output-document "$TMP_DIR/instantclient.zip" "$ORACLE_INSTANT_CLIENT_URL"
# 3. Extraction
echo "Extracting files..."
sudo unzip -o "$TMP_DIR/instantclient.zip" -d "$INSTALL_DIR"
# 4. Cleaning up unnecessary files
sudo rm -rf "$INSTALL_DIR/META-INF"
rm -rf "$TMP_DIR"
# 5. Linker Configuration
echo "Configurando bibliotecas do sistema..."
# The command below finds the newly created directory (e.g., instantclient_21_1) and saves it to the conf file.
find "$INSTALL_DIR" -maxdepth 1 -type d -name "instantclient*" | sudo tee /etc/ld.so.conf.d/oracle-instantclient.conf > /dev/null
# 6. Update library cache
sudo ldconfig
echo "Installation completed successfully!"
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