What is smartd and how to use it
smartd monitors hard disks using SMART, or Self-Monitoring, Analysis, and Reporting Technology, to analyze, check, report status, and predict whether a hard disk…
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394 notes on Linux, tools and troubleshooting
Disable the auto complete feature of the BASH shell
One advantage of Bash is auto-completion, which saves typing every character of a command or filename. This article covers two ways to disable it…
Enable Telnet in Linux Server
Linux does not enable Telnet because it is insecure, using SSH instead. To install and enable Telnet, install the telnet-server package.
Enable Dynamic CPU Speed Scaling in Linux
Linux's cpuspeed power-saving technology has developed since Intel and AMD began adding DVS (dynamic voltage scaling) to CPUs, adjusting CPU voltage to reduce power use.
Controlling Core Dump Files in Linux
Core dumps are created when programs crash or access unauthorized memory, helping programmers debug problems. Linux provides settings to control their size, names, and location.
Moblin and Android Linux OS for Mobile Device
Netbooks and mobile devices are gaining popularity. Linux operating systems for limited-resource devices have developed over the last few years, and competition between Intel's Moblin and Google's Android is expected this year.
Get Squid Performance Statistic from command line
To inspect Squid's operation, use squidclient to request information from Squid. Squid is a proxy server program for Linux or Unix…
How large is the virtual address space for a process
In Linux, choosing a CPU and kernel suited to the application's requirements helps the system run stably. x86_64 (AMD64, EM64T) processors are 64-bit processors…
Rescan SCSI to add, remove SCSI device without rebooting
To rescan an entire SCSI bus and re-register all devices found: rescan SCSI so the system sees a new device. On some Linux systems, this also adds or removes devices.