Redhat linux administration how to#

Crontab is the program used to install, deinstall or list the tables used to drive the cron daemon in a server. You can use this to schedule activities, either as one-time events or as recurring tasks. The cron is a deamon that executes commands at specific dates and times in linux. What Is Crontab And Explain The Fields In A Crontab ? Which Command Is Used To Check The Kernel Version ?

Redhat linux administration how to#

How To List Hidden Files From The Command Line? Puppet code can do a variety of tasks from installing new software, to check file permissions, or updating user accounts and lots of other tasks. Puppet is an IT automation software used to push configuration to its clients (puppet agents) using code. Puppet is an open-source and enterprise application for configuration management toll in UNIX like operating system. What Is The Functionality Of A Puppet Server? РІР‚Вwho -rРІР‚в„ў and РІР‚ВrunlevelРІР‚в„ў, both of these command are used to find current run level. How To Check The Current Runlevel Of A Linux Box? How To Change The Password Of User From The Command Line?

Using РІР‚Вroute -nРІР‚в„ў command we can determine the default gateway in linux.Р”Р„ny program in execution is called a process. It put limits and instructs server daemons or programs what files they can access and what actions they can take by defining a security policy. It is designed to protect the server against misconfigurations and/or compromised daemons. It is an access control implementation and security feature for the Linux kernel. SELinux is an acronym for Security-enhanced Linux. On typing the hostname command on terminal we can determine the hostname of a linux server. How To Determine The Hostname Of A Linux Box? It is similar to windows short cut feature. Soft link is a method to create short cuts in linux.