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Crash Recovery Kit for Linux


Crash Recovery for Linux sounds a bit superfluous. Linux is regarded as one of todays most stable Operating Systems. In the case of some hardware failure like a broken disk it can however be handy. Of course your machine doesn't have to have linux installed to make use of the CRK kit. There are several uses and purposes for the CRK to be used. To name a few :
  • recovery of a trashed LILO boot record. How many times does it happen that some person installs windows 98/95 after he/she installed linux? Well in that case windows 9X just overwrites the MBR record and linux won't be able to boot anymore.
  • backup over the network in the form of tar.gz tarballs. Both FAT16, FAT32, ext2 and all filesystems which Linux supports in a read/write fashion can be taken care of. The strong part of the CRK is when a disk is replaced or repartitioning is being done. The CRK boots a complete mini linux with networking where all possible hardware which is inside the Linux kernel is available.
  • Testing hardware of new intel based machines.
  • Detecting versions and types of hardware. The Linux kernel holds a large database of hardware supported. Booting a linux kernel doesn't only resolve if the hardware is ok, it also show its specs. This can be handy if one wants to check-out an old/new PC which is for sale.
  • Recovery of a misconfigured or hacked Linux system. Well that can happen. /etc/fstab can be wrong or the root password is unknown etc.
  • make a tape backup of a disk which can't be booted anymore.
The CRK is based on RedHat Linux. I have always used RedHat systems, thats why. When my system needed maintenance the rescue floppy image which RedHat supplies didn't fullfill my needs. Thats why i created the CRK. Lately i use Mandrake. How and why the CRK was created read the short history. The CRK is licensed under the GNU Public License (GPL). See the Changelog for whats included.

FTP downloads of CRK for Linux

if passive ftp doesn't seem to work, try switch passive off. Recently the Big Browsers like google chrome and now also opera have switched ftp off by default, labeling it a "dangerous" experiment. If you know the dangers you can still use ftp:// from your browers . Here's how to enable old-style ftp inside opera. As of opera-stable_78.0.4093.147 the Big Browsers came to the conclusion that the ftp:// experiment had become to dangerous. If you know the dangers you can still obtain the older versions and are available here.

HTTP downloads of CRK for Linux

Browse all downloads

HOWTO burn your DVD/CD ISO inside a Windows environment

HOWTO create your USB stick from a CRK ISO file inside a Linux environment

Mirror's

The CRK has been running from day zero on a Bay Networks 350T-HD, no Linux server was able to beat its uptime The CRK now runs on a Linksys by Cisco SLM2024

Contributed stuff


Pam_stack Patch for Pam-1.1.3

  • I decided to rol the pam_stack module back into pam using a patch.

The gzip Recovery Toolkit

Custom PXE boot support

MP3 Rip Kit for Linux

  • A hyperthreading commandline tool for encoding your audio cd albums with lame as fast as your Linux iron allows it.

OSS DVD Extensions for cdrtools-2.0

  • A Open Source patch which add DVD extensions to cdrtools-2.0. As a convenience also SRPM and RPM packages for several RPM based Linux distro's are given.

Perl-less Sender Policy Framework SPF on Qmail 1.03

  • Although Perl is a nice tool inside UNIX/Linux, why should it be fired up 10.000 times a day as part of a UNIX/Linux email server system? The peoples from Amavis, Spamassasin, and also OpenSPF.org however seem to ignore this, as they only implement and test their reference sofware as a Perl package. Why, why should one add a Perl plugin into Qmail ?? After short thoughts i rejected this approach, and created my own gear for running SPF1, SRS1, SRS2 on Qmail 1.03.

ClamAV 0.90.2 with old perl-les amavis

  • If you are running some old mailserver (RedHat 6.2 or 7.3 on a P3 500MHz), you might wanna look at the old fast version of amavis which runs without perl. The old version which i maintain, currently amavis-0.2.4, now also automaticly selects and configures to use ClamAV 0.90.2 if installed.

Webster's Hypertext Gateway for dictd on ubuntu 20.04

  • Webster's Hypertext Gateway interface, dict-webinterface, provides a point-and-click client interface (for non-linemode browsers) for accessing various dictionary services on the Internet. It uses apache2, mod_cgi and interfaces with dictd which is open at port 2628. dict-webinterface is very tiny and therefor the fastest gear available for this task.

Mozilla Firefox 46.0.1 on Ubuntu 14.04 LTS x86_64

  • The open source browser Mozilla Firefox Version 46.0.1 was compiled on Ubuntu 14.04 /x86_64. This is a Rescue Release as 47.0 contained an error : ABORT: X_ShmAttach: BadAccess (attempt to access private resource denied); 3 requests ago: file /build/firefox-sKY334/firefox-47.0+build3/toolkit/xre/nsX11ErrorHandl er.cpp, line 157

Opera 44.0.2510.857 on Mandriva 2011 i586/x86_64

  • The lightweight browser Opera Stable Version 44.0.2510.857 was migrated to Mandriva 2011 i586/x86_64. The result is surprising and the speed increase and functionality compared to the factory installed edition Version 11.52 is remarkable. Flash functionality is by Adobe Flash Player PPAPI 25.0.




Opera 86.0.4363.50 on Ubuntu 20.04.1 LTS x86_64


Mozilla Firefox 3.6.24 on Mandriva 2011 i586/x86_64

  • The open source browser Mozilla Firefox Version 3.6.24 was compiled on Mandriva 2011 i586/x86_64. The result is surprising and the speed increase compared to the recent editions starting from 4.0 and higher (version 12.0 as I wrote this) is remarkable.

Mozilla Firefox 3.6.24 on ubuntu 10.04 - 11.04 x86_64

  • The open source browser Mozilla Firefox Version 3.6.24 was compiled on ubuntu 11.04 (natty) x86_64. The resulting binary amd64.deb packages can of course also be installed on ubuntu 10.04 (lucid) x86_64.

Mozilla Firefox 1.5.0.7 on Mandrake 10.1 i586/x86_64

  • The open source browser Mozilla Firefox Version 1.5.0.7 is backported from Mandriva 2006.0 to Mandrake 10.1 i586/x86_64.The result is surprising and stunning as even flash9 now works like it should.

Azureus 2.5.0.4 on Mandrake 10.1 i586/x86_64

  • Azureus 2.5.0.4 in combination with Java 1.4.2 Blackdown Java-Linux is the best BitTorrent application I have come across on the KDE/Linux x86_64/amd64 Desktop so far, even since its release in 2006.

RSA speed benchtest

  • Test your computer's crypto speed. The CRK 2.4.18 based RSA speed benchtest measures your PC's encrypting power. basicly proceed as with any CRK, i.e. login as root, install-cdrom, install-utils and next do install-openssl. The RSA benchtest should be run at least twice. To run the test run: # openssl speed rsa

Misc


The CRK for Linux supports