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The Linux kernel and other modern operating systems such as the BSD family contain an SMBIOS decoder, allowing systems administrators to inspect system hardware configuration and to enable or disable certain workarounds for problems with specific systems, based on the provided SMBIOS information. Information provided by this utility typically ...
The predecessor tool is a question-and-answer-based utility (make config, make oldconfig). Variations of the tool for Linux configuration include: make xconfig, which requires Qt; make gconfig, which uses GTK+; make nconfig, which is similar to make menuconfig. All these tools use the Kconfig language internally.
As a security and auditing feature, sudo may be configured to log each command run. When a user attempts to invoke sudo without being listed in the configuration file, an exception indication is presented to the user indicating that the attempt has been recorded. If configured, the root user will be alerted via mail. By default, an entry is ...
For the Autotools, the configure script logs status and errors to file config.log, and the command ./configure --help outputs command line help information. Often, a document with instructions is included with the codebase; often in a file named INSTALL. It can be helpful if the configure script fails.
sudo hdparm -t /dev/sda Enable energy saving spindown after inactivity (24*5=120 seconds): sudo hdparm -S 24 /dev/sda To retain hdparm settings after a software reset, run: sudo hdparm -K 1 /dev/sda Enable read-ahead: sudo hdparm -A 1 /dev/sda Set a volatile HPA of 10000000 sectors on the first hard drive (HPA will be lost after a power cycle):
autorestart automatic restart after loss of power, 1 to enable or 0 to disable; dps dynamically change processor speed based on load, 1 to enable or 0 to disable; reduce permanently reduce processor speed, 1 to enable or 0 to disable; powerbutton put the machine to sleep when the power button pressed instead of shutting it down, 1 to enable or ...
By using the GUI system-config-kickstart tool. By using the standard Red Hat installation program Anaconda. Anaconda will produce an anaconda-ks.cfg configuration file at the end of any manual installation. This file can be used to automatically reproduce the same installation or edited (manually or with system-config-kickstart).
Privilege escalation is the act of exploiting a bug, a design flaw, or a configuration oversight in an operating system or software application to gain elevated access to resources that are normally protected from an application or user.