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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 ...
Today, multiple tools are available for generating a configure script based on special configuration files. One commonly used tool is Autotools which generates a Bash script. Obtaining a software package as source code and compiling it locally is a common scenario on Unix and Unix-like environments.
Across Unix-like operating systems many different configuration-file formats exist, with each application or service potentially having a unique format, but there is a strong tradition of them being in human-editable plain text, and a simple key–value pair format is common.
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):
In some versions of modprobe, the configuration file is called modprobe.conf, and in others, the equivalent is the collection of files called <modulename> in the /etc/modprobe.d directory. modprobe looks only in the standard module directories, to install modules from the working directory insmod is still required.
In FreeBSD, NetBSD, OpenBSD, DragonFly BSD, and Darwin/Mac OS X, the parameter net.inet.ip.forwarding can be set to 1 to enable this behavior. In Linux, the parameter is called net.ipv4.ip_forward. In most systems, the command sysctl -w parameter=1 will enable a certain behavior. This will persist until the next reboot.
Typically, the .config script uses debconf to ask questions, while .postinst applies configuration changes to the unpacked package in reaction to the answers; however, this can vary due to technical requirements. The user's answers to the configuration questions asked by debconf are cached in debconf's database.