Hi,
It is complicated, since I have installed multiple versions of R in different ways to try and solve this issue.
R 4.0.5 - installed by compiling from source
> ldd /opt/R/4.0.5/lib/R/lib/libR.so
ldd: /opt/R/4.0.5/lib/R/lib/libR.so: No such file or directory
> ls /opt/R/4.0.5
bin lib64 share
> ldd /opt/R/4.0.5/lib64/R/lib/libR.so
linux-vdso.so.1 => (0x00007ffee34d8000)
libRblas.so => /usr/lib64/R/lib/libRblas.so (0x00007f33ee37a000)
libgfortran.so.3 => /lib64/libgfortran.so.3 (0x00007f33ee058000)
libm.so.6 => /lib64/libm.so.6 (0x00007f33edd56000)
libquadmath.so.0 => /lib64/libquadmath.so.0 (0x00007f33edb1a000)
libpcre2-8.so.0 => /lib64/libpcre2-8.so.0 (0x00007f33ed8a3000)
liblzma.so.5 => /lib64/liblzma.so.5 (0x00007f33ed67d000)
libbz2.so.1 => /lib64/libbz2.so.1 (0x00007f33ed46d000)
libz.so.1 => /lib64/libz.so.1 (0x00007f33ed257000)
librt.so.1 => /lib64/librt.so.1 (0x00007f33ed04f000)
libdl.so.2 => /lib64/libdl.so.2 (0x00007f33ece4b000)
libicuuc.so.50 => /lib64/libicuuc.so.50 (0x00007f33ecad2000)
libicui18n.so.50 => /lib64/libicui18n.so.50 (0x00007f33ec6d3000)
libgomp.so.1 => /lib64/libgomp.so.1 (0x00007f33ec4ad000)
libpthread.so.0 => /lib64/libpthread.so.0 (0x00007f33ec291000)
libc.so.6 => /lib64/libc.so.6 (0x00007f33ebec3000)
/lib64/ld-linux-x86-64.so.2 (0x00007f33f0f07000)
libgcc_s.so.1 => /lib64/libgcc_s.so.1 (0x00007f33ebcad000)
libicudata.so.50 => /lib64/libicudata.so.50 (0x00007f33ea6da000)
libstdc++.so.6 => /lib64/libstdc++.so.6 (0x00007f33ea3d2000)
R 4.0.3 - installed from precompiled version
> ldd /opt/R/4.0.3/lib/R/lib/libR.so
linux-vdso.so.1 => (0x00007ffe45f93000)
libRblas.so => /usr/lib64/R/lib/libRblas.so (0x00007f8ff4602000)
libgfortran.so.3 => /lib64/libgfortran.so.3 (0x00007f8ff42e0000)
libm.so.6 => /lib64/libm.so.6 (0x00007f8ff3fde000)
libquadmath.so.0 => /lib64/libquadmath.so.0 (0x00007f8ff3da2000)
libreadline.so.6 => /lib64/libreadline.so.6 (0x00007f8ff3b5c000)
libpcre2-8.so.0 => /lib64/libpcre2-8.so.0 (0x00007f8ff38e5000)
liblzma.so.5 => /lib64/liblzma.so.5 (0x00007f8ff36bf000)
libbz2.so.1 => /lib64/libbz2.so.1 (0x00007f8ff34af000)
libz.so.1 => /lib64/libz.so.1 (0x00007f8ff3299000)
librt.so.1 => /lib64/librt.so.1 (0x00007f8ff3091000)
libdl.so.2 => /lib64/libdl.so.2 (0x00007f8ff2e8d000)
libicuuc.so.50 => /lib64/libicuuc.so.50 (0x00007f8ff2b14000)
libicui18n.so.50 => /lib64/libicui18n.so.50 (0x00007f8ff2715000)
libgomp.so.1 => /lib64/libgomp.so.1 (0x00007f8ff24ef000)
libpthread.so.0 => /lib64/libpthread.so.0 (0x00007f8ff22d3000)
libc.so.6 => /lib64/libc.so.6 (0x00007f8ff1f05000)
/lib64/ld-linux-x86-64.so.2 (0x00007f8ff7191000)
libgcc_s.so.1 => /lib64/libgcc_s.so.1 (0x00007f8ff1cef000)
libtinfo.so.5 => /lib64/libtinfo.so.5 (0x00007f8ff1ac5000)
libicudata.so.50 => /lib64/libicudata.so.50 (0x00007f8ff04f2000)
libstdc++.so.6 => /lib64/libstdc++.so.6 (0x00007f8ff01ea000)
I tried setting either version as the standard one in the Server Configuration File though I get the same message...
PJ