export XCATALOG_JVM_OPTS="-Xmx4g -Xms1g"
The core function of the X Catalog Tool is communication. When you install it, you aren't just installing a graphical interface; you are installing a bridge. x catalog tool 111 install
sha256sum xcat-tool-111-linux-amd64.tar.gz # Compare with the value on the official checksums page x catalog tool 111 install