update openssl http://www.voidcn.com/article/p-afycxhtw-bpb.html install vsftpd How to Install and Configure vsftpd on CentOS 7 fix vsftpd Fixing 500 OOPS: vsftpd:…

Download fluxbox source code from its official website. http://fluxbox.org/download/ sudo apt-get install build-essential texinfo libacl1-dev autoconf automake xorg-dev libx11-dev libimlib2-dev…

‘S’ = The directory’s setgid bit is set, but the execute bit isn’t set. ‘s’ = The directory’s setgid bit…