Category: linux-tutorials

12 Awesome chown command practical examples to change owner and group

12 Awesome chown command practical examples to change owner and group

Everybody knows that, “everything is a file in linux”. So file permission is very important one, all the files and folders having four important parts (special one ,owner,group,others). In this article i’m going to...

How to run php file using cron jobs

How to run php file using cron jobs

Our team had developed the php script, to send mail to our registered customers. We know how to schedule the jobs at cron using .sh (shell) file, but most of them don’t know, how...

color coding of linux files

Four days back, i had wrote an article called linux file types. That time, I will be planning to write another article called, color coding of linux files. Now i’m going to do it....

Understanding /etc/shadow file format

Understanding /etc/shadow file format

I’m continuously writing new articles for 2daygeek website, Today i have a question to ask myself ? Do you know about shadow file format. I know this will store the user password with encrypted...

Understanding Linux file permission format

Understanding Linux file permission format

Linux uses the same permissions same as Unix. Each file and directory have three user classes, user name, group name, file/directory size, date and file or directory name as follow. How to check the...

How to change crontab email alert

How to change crontab email alert

By default, crontab mails are sent to “root” user. If you want to get those mail to particular user, it is also possible in linux. This can be done by two methods. Crontab configuration...

How to check Internet Speed in linux server via Terminal

How to check Internet Speed in linux server via Terminal

We have bought the server from UK and they are telling you are connected with 50 Mbps port. How i can check my internet speed (upload & download) in my server. For download speed...

Details of /etc/passwd file format

Details of /etc/passwd file format

In linux user details are stored at “/etc/passwd” file. Whenever we create the new user in our system/server the new user and user details will be added to “/etc/passwd” file. The passwd file contain...