January 2006

Restrict ssh access using tcpd (TCPWrapper)

by Vivek Gite on January 31, 2006 · 2 comments

tcpd is use to access control facility for internet services. The tcpd program can be set up to monitor incoming requests for telnet, finger, ftp, exec, rsh, rlogin, tftp, sshd and other services that have a one-to-one mapping onto executable files. Your sshd server must be configuring (compiled with) to support tcpd. You can find [...]

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Restrict ssh access using Iptable

by Vivek Gite on January 31, 2006 · 1 comment

Q. How do I stop or restrict access to my OpenSSH (SSHD) server using Linux iptables based firewall? A. Linux iptables firewall can be use to block or restrict access to ssh server. Iptables command is used to set up, maintain, and inspect the tables of IP packet filter rules in the Linux kernel. However, [...]

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FreeBSD Hardware compatibility List (HCL)

by nixcraft on January 31, 2006 · 2 comments

Q. Can you list or tell the location of FreeBSD hardware compatibility list? A. If you are not able to find out HCL then it is available online. Here are direct links to FreeBSD Hardware compatibility List html document. FreeBSD 6.0 Hardware compatibility List (HCL), it include following topics Disk Controllers Ethernet Interfaces Token Ring [...]

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How to: Formatting Linux Filesystem

by Vivek Gite on January 30, 2006 · 6 comments

Q. How do I format Linux file system? Can you tell me command names to format and create a Linux file system? A. Formatting linux filesystem required for many reasons. If you want to expand file system or you just added new hard disk drive or create separate partitions for security and performance reasons. Whatever [...]

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Bash Shell Command to Find or Get IP address

by Vivek Gite on January 29, 2006 · 36 comments

How do I find out my Linux / UNIX system ip address, subnet and related networking information from a command prompt?

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Run shell script from web page

by Vivek Gite on January 29, 2006 · 4 comments

Q. How do I run a shell script from a web server or a web page under Apache or Lighttpd websever? A. In order to run a shell script from a web page you need Apache web server configured with cgi access. Apache CGI allows documents/files in cgi-bin directory treated as application and run by [...]

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