I am porting ksh script from Sun/Oracle Unix to Linux. How do I install ksh (KornShell) in CentOS / Fedora / Red Hat Enterprise Linux? How do I run and test ksh script on RHEL/CentOS Linux?
I am porting ksh script from Sun/Oracle Unix to Debian / Ubuntu Linux based server hosted on AWS cloud. How do I install ksh (KornShell) in Debian or Ubuntu Linux server? How do I run and test ksh scripts?
My users will only be checking mail, and I want to disable FTP access as well as shell access under CentOS Linux. How do I disable shell (SSH) and FTP access to a new or old user under Linux without deleting user account?