Hi, Here's the result of "rpm -q" erniep@gracie:/peak/src/seer/src$ rpm -q libstdc++6 libstdc++6-11.3.0+git1637-150000.1.9.1.x86_64 And the result of the "ls" command. erniep@gracie:/peak/src/seer/src$ ls -l /usr/lib64/libstdc++.so.* lrwxrwxrwx 1 root root 19 May 4 10:13 /usr/lib64/libstdc++.so.6 -> libstdc++.so.6.0.29 -rwxr-xr-x 1 root root 2161784 May 4 10:17 /usr/lib64/libstdc++.so.6.0.29 erniep@gracie:/peak/src/seer/src$