A chronological documentation test project, nothing serious, really!
By doing the following you can deny certain daemons to be available in specified hours by using hosts.allow and hosts.deny. In my example I will be using the vsftpd daemon by adding tcp_wrapper=YES in /etc/vsftpd.conf. Make sure that your private network has access all the time by adding this in /etc/hosts.allow vsftpd: 192.168.0. Enables access […]
This is a simple oneliner to replace words inline using perl :) # for i in `find ./ -name foo` ; { perl -p -i -e “s/oldword/newword/g” $i ;} You’ll need bash and perl.
TCP Wrapper is a host-based Networking ACL system, used to filter network access to Internet Protocol servers on (Unix-like) operating systems such as Linux or BSD. It allows host or subnetwork IP addresses, names and/or ident query replies, to be used as tokens on which to filter for access control purposes.
My colleagues don’t like all the bell/beep sounds I make when I’m working in a xterm through my putty ssh client. To please them I’ve added this line to /etc/inputrc to disable bell on tab-completion. set bell-style none
You may access either graphical or text interfaces for the Redhat installation system from any other system. Access to a text mode display requires telnet, which is installed by default on Fedora systems. To remotely access the graphical display of an installation system, use client software that supports the VNC (Virtual Network Computing) display protocol. […]