Libsasl2.so.2 can not be found, apache can not start

client's server was burned off during the Chinese New Year, the customer looking for data recovery company recovered data, but the application is still inaccessible, it is best to go to apache here, Apache2 can't start, saying libsasl2.so.2 can't be found, apache can't start. Solution: # whereis httpd Find out the absolute path of your httpd installation. For example, /usr/sbin/httpd

#ldd /Usr/sbin/httpd libpcre.so.0 => /lib/libpcre.so.0 (0xf6f8a000) libpcreposix.so.0 => /usr/lib/libpcreposix.so.0 (0xf6f86000) libaprutil-0.so .0 => /usr/lib/libaprutil-0.so.0 (0xf6f72000) libldap-2.2.so.7 => /usr/lib/libldap-2.2.so.7 (0xf6f41000) liblber-2.2.so .7 => /usr/lib/liblber-2.2.so.7 (0xf6f35000) libdb-4.2.so => ​​/lib/tls/i686/libdb-4.2.so (0xf6e67000) libexpat.so.0 => ; /usr/lib/libexpat.so.0 (0xf6e48000) libapr-0.so.0 => /usr/lib/libapr-0.so.0 (0xf6e25000) librt.so.1 => /lib/Tls/librt.so.1 (0xf6e11000) libm.so.6 => /lib/tls/libm.so.6 (0xf6dee000) libcrypt.so.1 => /lib/li Bcrypt.so.1 (0xf6dc0000) libpthread.so.0 => /lib/tls/libpthread.so.0 (0xf6dae000) libdl.so.2 => /lib/libdl.so.2 (0xf6daa000) libc. So.6 => /lib/tls/libc.so.6 (0xf6c82000) libresolv.so.2 => /lib/libresolv.so.2 (0xf6c6e000) libsasl2.so.2 => not found libssl. So.4 => /lib/libssl.so.4 (0xf6c26000) libcrypto.so.4 => /lib/libcrypto.so.4 (0xf6b3e000) /lib/ld-linux.so.2 (0xf6fab000) libgssapi_krb5 .so.2 => /usr/lib/libgssapi_krb5.so.2 (0xf6b29000) libkrb5.so.3 => /usr/lib/libkrb5.so.3 (0xf6ac4000) libcom_err.so.2 => /Lib/libcom_err.so.2 (0xf6ac1000) libk5crypto.so.3 => /usr/lib/libk5crypto.so.3 (0xf6aa0000) libz.so.1 => /usr/lib/libz.so.1 ( 0xf6a90000)

#whereis libsasl2.so.2 /usr/local/lib/libsasl2.so.2

/usr/local/lib/libsasl2.so.2.0.21

ls -l /usr/local/lib/libsasl2.so.2 Found /usr/local/lib/libsasl2.so.2==>/usr/local/lib/libsasl2.so.2.0.21< Br>

So ln -s /usr/local/lib/libsasl2.so.2.0.21 /lib/libsasl2.so.2

Then check again: # Ldd /usr/sbin/httpd

libpcre.so.0 => /lib/libpcre.so.0 (0xf6f8a000) libpcreposix.so.0 => /usr/lib/libpcreposix.so.0 (0xf6f86000) libaprutil-0.so.0 => /usr/lib/libaprutil-0.so.0 (0xf6f72000) libldap-2.2.so.7 => /usr/lib/libldap-2.2.so.7 (0xf6f41000) liblber-2.2.so.7 => /usr/lib/liblber-2.2.so.7 (0xf6f35000) libdb-4.2.so => ​​/lib/tls/i686/libdb-4.2.so (0xf6e67000 ) libexpat.so.0 => /usr/lib/libexpat.so.0 (0xf6e48000) libapr-0.so.0 => /usr/lib/libapr-0.so.0 (0xf6e25000) librt.so .1 => /lib/tls/librt.so.1 (0xf6e11000) libm.so.6 => /lib/tls/libm.so.6 (0xf6dee000) libcrypt.so.1 => /lib/Libcrypt.so.1 (0xf6dc0000) libpthread.so.0 => /lib/tls/libpthread.so.0 (0xf6dae000) libdl.so.2 => /lib/libdl.so.2 (0xf6daa000) libc. So.6 => /lib/tls/libc.so.6 (0xf6c82000) libresolv.so.2 => /lib/libresolv.so.2 (0xf6c6e000) libsasl2.so.2 => /lib/libsasl2 .so.2 (0xf6c5a000) libssl.so.4 => /lib/libssl.so.4 (0xf6c26000) libcrypto.so.4 => /lib/libcrypto.so.4 (0 Xf6b3e000) /lib/ld-linux.so.2 (0xf6fab000) libgssapi_krb5.so.2 => /usr/lib/libgssapi_krb5.so.2 (0xf6b29000)

libkrb5.so.3 => /usr/lib/libkrb5.so.3 (0xf6ac4000) libcom_err.so.2 => /lib/libcom_err.so.2 (0xf6ac1000) libk5crypto.so.3 => /usr/lib/libk5crypto.so.3 (0xf6aa0000) libz.so.1 => /usr/lib/libz.so.1 (0xf6a90000)

Restart httpd, OK.