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Securing-Optimizing-RH-Linux-1_2_90
Comments and suggestions concerning this book should be mailed to gmourani@videotron.ca © Copyright 1999-2000 Gerhard Mourani and Open Network Architecture ® 90     else         INITLOG_ARGS= action "Finding module dependencies" depmod -a     fi fi To read: #    if [ -L /lib/modules/default ]; then #        INITLOG_ARGS= action "Finding module dependencies" depmod -a default #    else #        INITLOG_ARGS= action "Finding module dependencies" depmod -a #    fi #fi NOTE: Once again, all this part “Delete program, file and lines related to modules” is required only if you say No to “Enable loadable module support (CONFIG_MODULES)” in your kernel configuration above. The procedure described above relates to initscripts-4_70-1 package. Now you must Reboot your system and then test your results. [root@deep /]# reboot When the system is rebooted and you are logged in, verify the new version of your kernel with the following command: · To verify the version of your new kernel, use the following command: [root@deep /]# uname -a Linux deep.openarch.com 2.2.14 #1 Mon Jan 10 10:40:35 EDT 2000 i686 unknown [root@deep]# Congratulation. Making a new rescue floppy   After the reboot of your Linux server, you should have now a system with an upgraded kernel. Time is to make a new rescue image with this new kernel in the case of future emergencies. To do this, follow the simple step bellow: · Login as root, and insert a new floppy, then execute the following command: [root@deep /]# mkbootdisk --device /dev/fd0 2.2.14 Insert a disk in /dev/fd0. Any information on the disk will be lost. Press <Enter> to continue or ^C to abort: Important note: The mkbootdisk program runs only on modularized kernel. So you can’t use it on a monolithic kernel; instead create an emergency boot floppy as shown bellow if you have a problem with your system in the future. Making a emergency boot floppy disk Because it is possible to create a rescue floppy only on modularized kernel, we must find another way to boot our Linux system if the Linux kernel on the hard disk is damaged. This is possible with a Linux emergency boot floppy disk. You should immediately create it after you successfully start your system and log in as root. · To create the emergency boot floppy disk, follow these steps: 1.     Insert a floppy disk and format it with the following command: [root@deep /]# fdformat /dev/fd0H1440 Double-sided, 80 tracks, 18 sec/track. Total capacity 1440 kB.