/boot - Contains the Linux kernel and other files needed by LILO and GRUB boot managers. /dev - Contains all device files. Linux treats each device as a special file. All such files are located in /dev. /etc - Contains most system configuration files and the initialisation scripts in /etc/rc.d subdirectory.

Dec 23, 2016 · Know configuration file locations, parameters in config files, and testing commands. Simple Mail Transfer Protocol. SMTP is one of the important services in any production system. Jul 12, 2017 · While this is the format commonly used in configuration files and shell scripts – most notably on Linux and other UNIX-like operating systems – other languages may use other comment formats. For example, if you’re working with a PHP script, you might see a section like the one below: Add name servers to the configuration file. On most Linux operating systems, the DNS servers that the system uses for name resolution are defined in the /etc/resolv.conf file. That file should contain at least one nameserver line. Each nameserver line defines a DNS server. The name servers are prioritized in the order the system finds them in

Mar 24, 2017 · Yum configuration file is /etc/yum.conf and repository configuration files are located under /etc/yum.repos.d/ directory. All repository configuration files must have .repo extension so than yum can identify them and read their configurations. Typical repo configuration file entry looks like below :

Sep 25, 2015 · Most of the user not known to find or path of web server configuration file of Apache ( httpd ) in server.Apache having different configuration path on different OS , It depend on installation of apache by which method is used . Run below commands to find the path of Apache configuration file . For CentOs, RHEL or Linux based system

Mar 16, 2017 · The grub.cfg file. The grub.cfg file is the GRUB configuration file. It is generated by the grub2-mkconfig program using a set of primary configuration files and the grub default file as a source for user configuration specifications. The /boot/grub2/grub.cfg file is first generated during Linux installation and regenerated when a new kernel is

The cgroups configuration file, /etc/cgconfig.conf, contains a mount definition and one or more group definitions. mount Definitions. A mount definition specifies the virtual file systems that you use to mount resource subsystems before you attach them to cgroups. The configuration file can contain only one mount definition. Dec 16, 2019 · OpenSSH allows you to set up a per-user configuration file where you can store different SSH options for each remote machine you connect to. This guide covers the basics of the SSH client configuration file and explains some of the most common configuration options. What is the default configuration file for IPTables and where it is located – Linux. May 10, 2014 May 10, 2014 Arunlal Ashok Leave a reply. Post Views: 2,114. Newer versions of the Linux kernel use the /etc/nsswitch.conf file to determine what takes precedence: a local configuration file, a service such as DNS (Domain Name System), or NIS. As an example, the following hosts entry in the /etc/nsswitch.conf file says that the resolver library first tries the /etc/hosts file, then tries NIS+, and Sep 30, 2016 · Every Linux administrator has to eventually (and manually) edit a configuration file. Whether you are setting up a web server, configuring a service to connect to a database, tweaking a bash script, or troubleshooting a network connection, you cannot avoid a dive deep into the heart of one or more configuration files.