Fedora

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Get changelog information from RPM and DEB package

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Here is a nice Linux tip: to get change information of some RPM package it’s enough to execute the following command rpm -q –changelog package for example rpm -q –changelog openssh will output something like: * Fri Mar 03 2006 Tomas Mraz <[email protected]> – 4.3p2-4 – allow access if audit is not compiled in kernel (#183243)</[email protected]> * Sat Feb 25 2006 Tomas Mraz <[email protected]> – 4.3p2-3 – enable the subprocess in chroot to send messages to system log – sshd should prevent login if audit … Read more

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How to create custom linux ISO image?

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It’s rather trivial task to make some changes into already burned installation or live CD. It may be performed to add some files to this CD or edit files on it. In any case it’s impossible to loop mount .iso file and then save it as iso9660 filesystem is read-only. So, just mount your CD or iso image to some directory by commands: sudo mkdir /mnt/image sudo mount /dev/cdrom /mnt/image or sudo mount /path/to/your.iso /mnt/image -o loop then copy it’s contents to some directory: mkdir … Read more

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Moving Linux to remote server (over ssh via third server)

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Source: server running rather obsolete Fedora Core 1 with Apache, sendmail, ftp and other stuff. Target: any Linux server with at least one hard drive of appropriate disk space installed (in this case target server was running Knoppix). Third server: any ssh running system. First of all it’s necessary to get all servers to be accessible to each other via ssh. Read your distribution’s manual to find out how to achieve it. There are several possible ways to move Linux to another server by means … Read more