BIND is the Berkeley Internet Name Domain, DNS server. It is wildly used on UNIX and Linux like oses. You can use following tools to troubleshoot bind related problems under UNIX or Linux oses. Task: Port 53 open and listing requests By default BIND listen DNS queries on port 53. So make sure port 53 [...]

When you host your web site remotely and use the open source software’s like wiki, phpbb etc uploading them is pain from UNIX or Linux based computer, especially when these software releases new security fixes you need to upload bunch of files and subdirectories. ncftpget client program is neat handy utility for recursive remote ftp [...]

So how do you set DNS namserver under Sun Solaris UNIX system? The resolver is a set of routines in the C library that provide access to the Internet Domain Name System (DNS). The resolver configuration file contains information that is read by the resolver routines the first time they are invoked by a process. [...]

You can use ncftpget command to download entire ftp directory and sub directories from remote ftp server. Let us say you would like to download /www-data directory and all subdirectories inside this one from ftp.nixcraft.net server. You need to use ncftpget command. Install ncftp client ncftp client software can be downloaded from http://www.ncftp.com/ncftp/ and works [...]

The SSH protocol is recommended for remote login and remote file transfer which provides confidentiality and security for data exchanged between two computer systems, through the use of public key cryptography. The OpenSSH server provides this kind of setup under Linux. It is installed by default. This how-to covers generating and using ssh keys for [...]

Pre login banner is use for sending a warning message before authentication may be relevant for getting legal protection or just give out information to users. The contents of the specified file are sent to the remote user before authentication is allowed. This option is only available for protocol version 2. By default, no banner [...]

Now your chrooted Apache jail is ready. It is time to add domains using Apache virtual hosting features. Our sample setup for two domains called theos.in and nixcraft.com is as follows: Domain: nixcraft.com JailDir ($J): /httpdjail Domain configuration file: /etc/httpd/conf/vdomains/nixcraft.com.conf DocumentRoot: $J/home/httpd/.nixcraft.com/http Log Directory: $J/home/httpd/.nixcraft.com/logs Virtualhosting settings for theos.in: Domain: theos.in JailDir ($J): /httpdjail Domain [...]