remote server

How do I install iptables under Redhat (RHEL) or CentOS or Fedora Linux operating systems?

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How do I run Firefox browser from the command line (shell prompt)? How to run Firefox from command line on Linux based server?

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How do I find or check IP’s that are currently banned using iptables command in Linux? How do I verify that IP address 1.2.3.4 is banned or not in Linux?

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I am looking for to only sync directories structures only. How do I copy directory structure tree without copying any files under Linux or UNIX operating system to remove server or local directory?

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I want to copy (rsync to remote server) a directory tree whenever file uploaded or deleted in /var/www/html/upload/ directory under Linux operating systems for backup purpose and/or load balancing purpose without getting into complex file sharing setup such as NFS or GFS iscsi storage. How do I monitor /var/www/html/upload/ and its subdirectory for new files and executes rsync command to make copy back to www2.example.com:/var/www/html/upload/?

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How do I enable console redirection under OpenBSD so that I can see my remote server boot information and any diagnostic information that is normally printed to the screen? I’ve already enabled serial ports in my server BIOS and wired them up. How do I configure and access OpenBSD UNIX x86/amd64 server over serial console?

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Delete SSH Keys

by on June 24, 2010 · 5 comments

One my user leaves the office and I’d like to disable her access to our UNIX / Linux system. How do I delete ssh key from the UNIX systems so that user can not log in?

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