The at command is used to schedule a one-time task at a specific time. batch command is used to schedule a one-time task to be executed when the systems load average drops below 0.8.
CentOS / Red Hat Maria Database (mysql)
MariaDB is one of the most popular database servers. Made by the original developers of MySQL. Guaranteed to stay open source.
CentOS/Red Hat/Ubuntu Linux SSH Secure Remote Login
01. What is SSH: SSH, also known as Secure Socket Shell, is a network protocol that provides administrators with a secure way to access a remote computer. SSH also refers to the suite of utilities that implement the protocol. Secure Shell provides strong authentication and secure encrypted data communications between two computers connecting over an
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CentOS Linux Centralized Logging Server
As Linux Admin you may need an easy solution to keep track of log files in many servers from central location and save it centrally , and it is easy in Linux , Let’s do it ..
CentOS / Red Hat Local Repository
If you have many Linux machines that needs to updated or install some packages they would use Internet connection to get required data, but as many as you have machines it will consume more bandwidth and money , So it is recommended to have Local Repository to serve all other machines , we will do
CentOS / Red Hat FTP Server
There is more than one package that provide ftp server service but we will use the most secure one as its name says (Very Secure FTP) VSFTP server , let’s go..
CentOS 7 PXE Server
To install PXE server on Centos to provide automated installation for PCs and servers through our network without human interaction, the client needs and IP at boot for connecting to PXE server which is provided by DHCP ,
Apache secure directory with user and password
For installing a new apache web server and create virtual hosts , please read this To restrict access to some site or sub-directory of a site : set AllowOverride AuthConfig in virtual host configuration
Linux Apache HTTP/HTTPS
In this tutorial i will try to go easily step by step to install simple virtual hosts using Apache (the most popular web server) on CentOS (considered to be Red Hat community version). Apache Virtual Hosts is ability to host many web sites with different domain name in same system installation. Let’s Go,…
Bash syntax overview
What will we learn ? as any other programming language Bash script have similar structure, let’s take a look: Variable and Data type: there is different data type for variable like integer , float numbers, string,Booleans (true, False), … we will know how Bash handle with that.