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Fedora Linux

Linux RPM: View Script That Run When You Install RPM Files

All rpm packages can run scripts after a package is added or removed. How do I view pre/post install and uninstall rpm file scripts under rpm based Linux distributions?
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Sysadmin because even developers need heroes!!!

Linux Create A Bootable USB Pen

How do I create a bootable USB pen drive to start my CentOS / Fedora Linux? How do I create a bootable USB flash pen for installation of Linux, and for creation of rescue and other special-purpose boot disks using command line options?
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Fedora Linux Install Linux Kernel Headers And Developer Files

I‘m trying to install vmware-tools but Fedora Linux v12 prompting for kernel headers. How do I install kernel headers under Fedora Linux?
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Redhat Linux: Find Out My IP Address

How do I to find out ip address on a CentOS or Fedora or Redhat Enterprise Linux server or desktop system using bash shell or command line options?
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Linux: Configuring RX POLLING (NAPI)

My CentOS / RHEL based server is configured with Intel PRO/1000 network interface cards. NAPI (Rx polling mode) is supported in the e1000 driver. I’ve multiple CPUs. How do I configure NAPI, decreasing interrupts and improve overall server network performance?
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Linux Disable Mounting of Uncommon Filesystem

How do I disable mounting of uncommon file systems such as hfs, udf, cramfs etc under Fedora or CentOS / RHEL / Redhat Enterprise Linux?
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Fedora Linux: Start / Stop / Restart Apache Server

How do I start / stop / restart the Apache server under Fedora Linux using command line options?
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Samba: Linux Iptables Firewall Configuration

How do I configure iptables firewall under CentOS / Fedora / RHEL / Redhat Linux to allow access to the Samba server? How do I open TCP ports # 137, 138, 139 and 445 under Linux so that all Microsoft Windows machine can access files and printer on a Linux host?
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Linux / UNIX: Restrict Access To A Given Command

How do I restrict access to a given command for instance /opt/apps/start, to authorized users only under Linux / UNIX / BSD operating system?
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Firefox: Add a Trusted CA

The default Firefox comes with certificates from well-known commercial CAs. My ISP is also CA and Firefox cannot verified it because the CA is not recognized. How do I force Firefox to accept my ISPs certificate?
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