Here's a list of the linux package requirements for Houdini 20.5

Debian/Ubuntu/Mint/Pop!_OS: 

libasound2
libc6
libdbus-1-3
libevent-core-2.1-7
libexpat1
libfontconfig1
libgl1
libglx0
libice6
libnspr4
libnss3
libopengl0
libpci3
libsm6
libx11-6
libx11-xcb1
libxcb-dri3-0
libxcb-icccm4
libxcb-image0
libxcb-keysyms1
libxcb-randr0
libxcb-render-util0
libxcb-render0
libxcb-shape0
libxcb-shm0
libxcb-sync1
libxcb-util1
libxcb-xfixes0
libxcb-xinerama0
libxcb-xkb1
libxcb1
libxcomposite1
libxcursor1
libxdamage1
libxext6
libxfixes3
libxi6
libxkbcommon-x11-0
libxkbcommon0
libxrandr2
libxrender1
libxss1
libxt6
libxtst6
libzstd1
zlib1g

RHEL/Rocky/Fedora:

alsa-lib
compat-openssl11
dbus-libs
expat
fontconfig
glibc
libatomic
libevent
libglvnd-glx
libglvnd-opengl
libICE
libSM
libX11
libX11-xcb
libxcb
libXcomposite
libXcursor
libXdamage
libXext
libXfixes
libXi
libxkbcommon
libxkbcommon-x11
libXrandr
libXrender
libXScrnSaver
libXt
libXtst
libzstd
nspr
nss
nss-util
openldap
pciutils-libs
tbb
xcb-util
xcb-util-image
xcb-util-keysyms
xcb-util-renderutil
xcb-util-wm
zlib