linux command

  1. Bhawani Singh

    Set Time, Date Timezone in Linux Command Line

    It's very important to set correct time and date in Linux.various things only depend on this time zone. It's not a matter that you are using Linux server or Linux to your personal computer.it's always important to set the correct time on the server or on the clock. Date Timezone in Linux from...
  2. Bhawani Singh

    How to install CentOS Web Control Panel on CentOS system ?

    CentOS Web Panel is a free web hosting control panel which facilitates you to easily manage servers. The latest version of CentOS Web Panel 0.9.8.6 was released on 19th April 2015. This control panel is full with various features that provide an ease to manage and operate server operations...
  3. Bhawani Singh

    How to empty mail queue on CentOS Linux system ?

    Due to spamming, spoofing and other malpractice email queue become loaded with thousand of unwanted emails. It will slow down your server performance and mainly affect your exim to deliver emails. It's not quite easy to sort out the genuine emails from these bulk spam mails as it is like finding...
  4. Bhawani Singh

    How to check service status on CentOS Linux Systems ?

    How to check service status in Linux system (CentOS) ? Whenever we are troubleshooting any issue on server, we have to check service status on server whether they are running or not like Mysql, Apache, SMTP, TCP etc. To find out status of a service in Linux CentOS system, you can use SERVICE...
  5. Bhawani Singh

    What is CHMOD? How to set permissions on files in Linux ?

    What is CHMOD command : CHMOD command is used to change file permission in Linux systems. There are three types of permissions you can set on file, which are given below : Read – This permission allows a user to only read the file. Generally, read permission is used for public views. Write –...
  6. Bhawani Singh

    How to mount USB in Linux CentOS server ?

    In today's world mostly people use USB flash memories for data transfer and storage. CD's and floppies are almost past now. USB Flash memories are compact and store more data with respect to CD's and Floppies. New Linux users find it difficult to use USB devices in Linux systems. The real...
  7. Bhawani Singh

    How to check performance of linux system through command line ?

    To monitor and debug a Linux system performance is really a tough job for a system administrator in Linux. It's not quite easy for experts also to monitor and keep system up and running, But, there are many utilities through which monitoring your system becomes easy and reliable too. There are...
  8. Bhawani Singh

    How to check RHEL/CentOS kernel version ?

    Linux command check RHEL/CentOS kernel version : You can check CentOS kernel version through following command which works with all Linux distributions, such as Red Hat, CentOS, Debian, and Ubuntu. It also works on other UNIX-like operating systems such as HPUX, FreeBSD, OpenBSD, Solaris, etc...
  9. Bhawani Singh

    How to check CentOS version in Linux ?

    There are several ways to get CentOS version information running on your system. Below given are examples through which you can get CentOS version. However, each one will not work for you but mostly works one of them. 1). You can check CentOS version through cat command (always works): ---- #...
  10. Bhawani Singh

    Linux SCP command with examples.

    The scp command in Linux is used to transfer files between machines over a secure, encrypted connection. It is similar to rcp. The general syntax to transfer a local file to a remote system is as follows: ----- scp source_file_name username@destination_host:destination_folder ----- The...
  11. Bhawani Singh

    Linux Mail command with examples

    Importance of emails these days are very well known for information transfer. It provide a fast and reliable way to transfer your message instantly and secured. There are many email providers which provides you an interface to send or receive mails. But, what if we need to send emails through...
  12. Bhawani Singh

    Linux Find command and it's usage with example.

    Find Command in Linux : The Linux Find Command is used to search and locate list of files and directories in Linux File system. You can find files on behalf of users, permissions, groups, date, size, file type and other possible criterias. Examples of Find commands : 1. Find Files Using Name...
  13. Bhawani Singh

    Understanding GREP command in Linux.

    GREP command in Linux The GREP is abbreviation of "Global Regulation Expression Pattern". GREP command is a pattern search tool provided by Linux. By default it searches all matching lines from the file or files for the searched word. There are lot of switches(options) available with GREP...
  14. Bhawani Singh

    Maldet (LMD) commands and examples.

    Maldet (Linux Malware Detect):- Maldet is a malware detector which is mainly used in Linux based servers. It uses threat data from network edge intrusion detection systems to extract malware that is actively being used in attacks and generates signatures for detection. It will be very useful...
  15. Bhawani Singh

    What is tar command and usage with examples? Define 10 tar commands in Linux?

    Tar stands for the "Tape Archieve" and is used to deal with tape drives. In linux "tar" command used to create tar file, which we can also say that to write the tar archive to a device file(in/dev). By using tar commands one user can easily archieve large collection of file and another user may...
  16. Bhawani Singh

    Linux DIG Command with example

    What Is DIG : “DIG” stands for Domain Information Groper which is a Network Administration Command used for performing any query related with DNS (Domain Name Server). DIG also support the Internationalized Domain Name (IDN) queries. Basically DIG is the part of BIND domain name server. Origin...
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