Q. How do I block any website accessing the Internet using squid proxy server? A. You can simply use squid ACL to block access to any web site. There are 3 steps: #1. Create a text file with blocked domain name list such as baddomain1.com, mail.yahoo.com, gmail.com and so on #2. Define Acl #3. Restart [...]
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Q. I just noticed faq about clearing dns cache and there are lots of commands stored in my cache. Can you tell me the command to clear out my command history or cache from a shell prompt?
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How do I check and configure serial ports under Linux for various purposes such as modem, connecting null modems or connect a dumb terminal?
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Q. I’m trying to install a package using apt-get command. I’m getting warning message that read as follows: Need to get 15.1MB of archives. After unpacking 50.2MB of additional disk space will be used. Do you want to continue [Y/n]? y WARNING: The following packages cannot be authenticated! libmono-sharpzip0.84-cil autopano-sift libpano12-0 libwxbase2.8-0 libwxgtk2.8-0 libpano12-bin libplot2c2 [...]
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Q. I’m on a Dial UP Internet connection under Linux and frequent dial up problem causing dns problems. How do I flush DNS cache under any UNIX / Linux distribution using a shell prompt?
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Q. How do I fingerprint or identify remove web server a from UNIX / Linux shell prompt?
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Q. How do I install an RPM package into a different directory like /home/chroot under RHEL / Fedora / CentOS Linux server?
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