Linux Commands | 2DayGeek

How to Setup/Configure MySQL (Master-Slave) Replication on Linux

June 16, 2014April 14, 2020 - by Magesh Maruthamuthu - Leave a Comment

MySQL master-slave replication is a process that automatically copies data from one MySQL database server (master) to one or more MySQL database servers (slaves). MySQL supports various replication methods, but …

Arch Linux / CentOS / Debian / fedora / Linux / Linux Advanced Commands / Linux Commands / Linux Mint / Linux-Distributions / linux-tutorials / opensuse / Oracle Linux / Red Hat / Red Hat Enterprise Linux / RHEL / system monitoring / ubuntu

How to Configure/Setup Disk Quotas in Linux

March 10, 2014April 7, 2020 - by Magesh Maruthamuthu - Leave a Comment

Disk space usage can be controlled by implementing disk quota on Linux. This will allow a user to use only the allocated disk space. Also, it keeps your partition under …

Linux Advanced Commands / Linux Commands / Log Viewer

6 Ways to View or Monitor Linux Log Files in Real-Time

February 28, 2014October 17, 2019 - by Magesh Maruthamuthu - Leave a Comment

Most of the log files in Linux can be found in “/var/log” directory. You can use the ls command to list all log files. Most applications keep their log files …

DNS Lookup / Linux Commands / linux-tutorials / Shell Script

jwhois – A Tool To Check Information About Ownership Of A Domain Name And IP Address In Linux

February 27, 2014October 6, 2019 - by Magesh Maruthamuthu - Leave a Comment

jwhois is a command line utility that fetch information about ownership of a domain name from whois server (whois database). It’s Whois client that contains an extensible configuration file which …

DNS Lookup / Linux Advanced Commands / Linux Commands

How to Find DNS (Domain Name Server) Records On Linux Using the Dig Command

February 26, 2014November 12, 2019 - by Magesh Maruthamuthu - Leave a Comment

dig stands for “domain information groper”‘ is a powerful and flexible command-line tool for querying DNS name servers. It performs DNS lookups and displays the answers that are returned from …

DNS Lookup / Linux Commands / linux-tutorials / Shell Script

whois – A CLI Tool To Check Information About Ownership Of A Domain Name And IP Address

February 24, 2014October 6, 2019 - by Magesh Maruthamuthu - 2 Comments.

whois is a command line utility that fetch information about ownership of a domain name from whois server (whois database). WHOIS is a query and response protocol that is widely …

Linux Advanced Commands / Linux Commands

How to Change File/Directory User and Group Ownership in Linux

February 20, 2014October 7, 2019 - by Magesh Maruthamuthu - Leave a Comment

Linux is a multi-user system that can be accessed simultaneously by multiple users. File permissions are a way to restrict users to access other user’s files on Linux. It is …

Bash Script / DNS Lookup / Linux Advanced Commands / Linux Commands / Shell Script

How to Find DNS (Domain Name Server) Records on Linux Using the nslookup Command

February 18, 2014November 12, 2019 - by Magesh Maruthamuthu - 1 Comment

nslookup is a program for querying Internet domain name servers (DNS). nslookup has two modes, which are interactive and interactive. Interactive mode allows the user to query name servers for …

Bash Script / DNS Lookup / Linux Advanced Commands / Linux Commands / Shell Script

How to Find DNS (Domain Name Server) Records On Linux Using the Host Command

February 17, 2014November 3, 2019 - by Magesh Maruthamuthu - 1 Comment

Host Command is a simple CLI application to perform DNS lookup. It is commonly used to convert names to IP addresses and vice versa. When no arguments or options are …

Arch Linux / CentOS / Debian / fedora / Linux / Linux Advanced Commands / Linux Commands / Linux Mint / Linux-Distributions / linux-tutorials / opensuse / Oracle Linux / Red Hat / Red Hat Enterprise Linux / RHEL / ubuntu

How to Execute PHP, Python and Perl Scripts Using Cron Job

February 11, 2014April 11, 2020 - by Magesh Maruthamuthu - 2 Comments.

As a Linux administrator you may already know about crontab, as this is one of the regular activity for you. You have done a lot of work using crontab for …