How to find Softlink in Linux

Symlink, also called softlink, is a symbolic path indicating the abstract location of another file. In addition, a softlink files has the same role as a Windows shortcut. In this...

Iptables is used to set up, maintain, and inspect the tables of IPv4 packet filter rules in the Linux kernel. It can run as a host based firewall if properly...

Question : How to check the number of created user on linux server? Answer : To check the created user on your linux machine, simply run the following command. This...

What is the correct way to turn off a CentOS/RHEL Linux server? I would recommend to shut the system down using “shutdown -h now” command. This will shut down the...

As the linux administrator, sometimes we have to identify which files are most take much space in the linux server resulting in low free space. Low disk space can also...

What is the correct way to reboot a CentOS/RHEL Linux server? I would recommend to reboot the server using two command line either from terminal or ssh. It works on...

Proftpd is one of the most popular FTP server, secure and reliable for the Linux operating system. Proftpd using a single configuration file and it is very easy to set...

There are a few commands that can help us to check the memory usage in linux server. The usage including free memory, used physical memory, swap memory and also buffers...

The BIND DNS Server, named, is used on the vast majority of name serving machines on the intranet or Internet. On this tutorial i will setup the intranet dns configuration...

Q. I just installed postfix on my linux virtual private server (VPS), but i am not sure how to verify the SMTP service and perform SMTP test to ensure the...