Debian Linux

whowatch is a interactive, ncurses-based, process and users monitoring tool, which updates information in real time. This is a perfect tool for local and remote servers. With this tool you can easily answer following question: “How do I know who are logged on in using telnet , ssh, ftp etc and what resources are they […]

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smartd is SMART Disk Monitoring Daemon for Linux. SMART is acronym for Self-Monitoring, Analysis and Reporting Technology (SMART) system built into many ATA-3 and later ATA, IDE and SCSI-3 hard drives. The purpose of SMART is to monitor the reliability of the hard drive and predict drive failures, and to carry out different types of […]

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I install many packages for Debian / Ubuntu Linux from both stable/testing environment but some time I need to find out installed package is from stable or testing environment. I can use dpkg status file to get this information. But Debian comes with perl script called apt-show-versions which lists available package versions with distribution. apt-show-versions […]

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If you have, a password protected grub boot loader and you forgot both root and grub password, then you can recover grub-boot loader password using the following method/procedure:

* Use Knoppix cd
* Remove the password from Grub configuration file
* Reboot the system
* Change the root password
* Setup new Grub password if required (optional)

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It is really a good idea to have one central logging host for security and performance reason. For example monitoring log files will help you to detect: * Security risks (you can see failed login attempt, port scan etc) analysis * Troubleshoot user login problem * Save disk space * If hard disk crashed on […]

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