The Red Hat Magazine included an excellent tip about how to lock out a user, if it fails to supply a valid password for a pre-defined number of login attempts. This is implemented by making use of the The PAM module pam_tally. This practice serves as a barrier for those, either human or bots, who…
I had missed it, but I am glad that it happened. The QEMU Accelerator kernel module, from version 1.3.0pre10, is being released under the terms of the GNU General Public License v2.
A long time has passed since Fedora 6 was released, many of the initial bugs have been fixed, so I decided to perform an upgrade of the installation on the server that powers this web site. Everything has gone well, despite the fact that a few strange things happened during the upgrade.
Yesterday, I wrote about my need to be always connected to an IRC channel in order to keep a log of the chat even when I don’t follow the conversation in real-time. Under the given circumstances and not taking into account the possibility to keep my desktop machine always on, so XChat can log everything,…
When it comes to business – despite the recent Microsoft-Novell deal -, interoperability and maximum compatibility between two major Linux distributions are of significant importance, as they can lead to less maintenance time, effort, trouble and costs. Having written that, I consider this article, which describes how to create RPM packages and initscripts that are…
Those who use a SELinux enabled distribution – more specifically those who have set the SELinux security layer to enforcing mode – will most probably know about the auditd daemon (part of the audit package in Fedora Core). By default, all SELinux messages are recorded to the syslog, but when auditd is running, then all…
I wish GNUitar, a guitar effects software processor existed 7-8 years ago, when one of my main interests was my good old electric guitar. If I recall correctly, I had tried some computer programs under Windows back then, which tried to simulate a hardware sound processor. Acoustically, the result was fine, but from a technical…
The Dynamic Host Configuration Protocol or just DHCP provides networked devices with all the necessary parameters, IP addresses, network masks, the gateway or DNS servers IP addresses, so that they can actively participate in the network and start exchanging data with other devices or workstations. This automated operation, which greatly relieves the system administrator from…
I have already mentioned two excellent open source data recovery utilities, TestDisk and PhotoRec, in an older post. Today I came across some others; some lists of other tools actually. I didn’t have the time to try any of them, but here is some info and some useful links to get started with.
LinuxQuestions.org has set up a wiki page which contains information about utilities that can convert CD images from one format to the other. This compilation will probably be useful to Windows users who occasionally use Linux or have recently migrated to Linux. It is widely known that there are numerous windows utilities that save the…