I‘ve followed your guide and installed denyhosts to protect on my RedHat 5.3 OpenSSH based server. However, I’ve been accidentally blocked out from my home ADSL IP address. I tried removing my blocked IP from /etc/hosts.deny, but it did blocked it again quickly. It appears that DenyHosts keeps track of the attempts somewhere on disk or memory. How do I remove my own home IP address from DenyHosts?
Q. How do I render font smoothly in Ubuntu Linux / Gnome desktop systems? How do I get look a likes of the Microsoft / Mac OS X smooth fonts for Firefox and other applications?
Q. I know how to find out information about compiled driver under FreeBSD kernel. But, how do I find out if a Particular feature, driver or filesystem support is compiled into my running Linux kernel or not? How do I find out if DMA support is compiled into my kernel?
Q. I’m new to GNU/Linux world and a single query (apt-cache search office or yum search ‘office’) shows so many application for a single task such as network monitoring or office applications. The number of apps choices just confusing. How do you select application from so many choices?
Q. I’m using FreeBSD 7 with csh (tcsh) shell. How do I export shell variable under FreeBSD operating systems?
Q. How do I extract images from a PDF file under Linux / UNIX shell account?
am a new Unix system user with a bash as a default shell. I can append text to a file using >> operator but how do I prepend a text to a file? I want the opposite operation of >>? How can I prepend some data to a text file?