Once upon a time, Alice Wonder <alice at domblogger.net> said: > [alice at pern ~]$ ldd /usr/bin/curl |grep crypto > libk5crypto.so.3 => /lib64/libk5crypto.so.3 (0x00007f4524390000) > libcrypto.so.10 => /lib64/libcrypto.so.10 (0x00007f45234ca000) What do the following show: ldd /usr/bin/curl ldd /usr/lib64/libcurl.so.4 ldd /usr/lib64/libssh2.so.1 I can only guess you don't have the libssh2 you think you have. I just replaced curl/libcurl on a CentOS 7 system with my version built without ssh2 support: $ ldd /usr/bin/curl linux-vdso.so.1 => (0x00007fff4b9fc000) libcurl.so.4 => /lib64/libcurl.so.4 (0x00007f001623f000) libssl3.so => /lib64/libssl3.so (0x00007f0015ffd000) libsmime3.so => /lib64/libsmime3.so (0x00007f0015dd5000) libnss3.so => /lib64/libnss3.so (0x00007f0015aaf000) libnssutil3.so => /lib64/libnssutil3.so (0x00007f0015883000) libplds4.so => /lib64/libplds4.so (0x00007f001567e000) libplc4.so => /lib64/libplc4.so (0x00007f0015479000) libnspr4.so => /lib64/libnspr4.so (0x00007f001523b000) libpthread.so.0 => /lib64/libpthread.so.0 (0x00007f001501e000) libdl.so.2 => /lib64/libdl.so.2 (0x00007f0014e1a000) libz.so.1 => /lib64/libz.so.1 (0x00007f0014c04000) libc.so.6 => /lib64/libc.so.6 (0x00007f0014842000) libidn.so.11 => /lib64/libidn.so.11 (0x00007f001460f000) libgssapi_krb5.so.2 => /lib64/libgssapi_krb5.so.2 (0x00007f00143c3000) libkrb5.so.3 => /lib64/libkrb5.so.3 (0x00007f00140dd000) libk5crypto.so.3 => /lib64/libk5crypto.so.3 (0x00007f0013eab000) libcom_err.so.2 => /lib64/libcom_err.so.2 (0x00007f0013ca7000) liblber-2.4.so.2 => /lib64/liblber-2.4.so.2 (0x00007f0013a97000) libldap-2.4.so.2 => /lib64/libldap-2.4.so.2 (0x00007f0013844000) librt.so.1 => /lib64/librt.so.1 (0x00007f001363b000) /lib64/ld-linux-x86-64.so.2 (0x00007f00164a6000) libkrb5support.so.0 => /lib64/libkrb5support.so.0 (0x00007f001342c000) libkeyutils.so.1 => /lib64/libkeyutils.so.1 (0x00007f0013228000) libresolv.so.2 => /lib64/libresolv.so.2 (0x00007f001300d000) libsasl2.so.3 => /lib64/libsasl2.so.3 (0x00007f0012df0000) libselinux.so.1 => /lib64/libselinux.so.1 (0x00007f0012bca000) libcrypt.so.1 => /lib64/libcrypt.so.1 (0x00007f0012993000) libpcre.so.1 => /lib64/libpcre.so.1 (0x00007f0012732000) liblzma.so.5 => /lib64/liblzma.so.5 (0x00007f001250c000) libfreebl3.so => /lib64/libfreebl3.so (0x00007f0012309000) No libssl.so, no libcrypto.so. -- Chris Adams <linux at cmadams.net>