Search results

  1. J

    Linux cURL Command

    cURL Commands: cURL is a simple software package that consist of a command line tool for sending or receiving data using URL. It is a simple to use command line tool for sending and receiving files that supports the all main protocols that are FTP, GOPHER, HTTP, FTPS, HTTPS, DICT, IMAP, LDAP...
  2. J

    what is WordPress Mod_Security

    WordPress Mod_Security: Now a days word press is becoming very popular among the net users. It is a powerful online blogging website and free to use. It provides the facility to publish your blogs or pages on internet without any cost. For this u just need to register with wordpress only and...
  3. J

    what is Caching and its uses

    Caching: When we surf over the net a lot of things happen at that time. Our computer’s hard disk then saves lot of images, files and web contents temporarily. These are called cache. By storing those types of information saves the time of user and increases his performance. For example if you...
  4. J

    How to upgrade OpenSSH on CentOS

    OpenSSH: OpenSSH is a Unix based command protocol in order to have access to a remote machine. While using telnet, ftp, or login your passwords are delivered in unencrypted form across the net. But OpenSSH not only encrypts the passwords but also provides the secure authentication ways. Due to...
  5. J

    What is cPHulk brute force protection service in cPanel Service and how to disable it

    cPhulk Brute Force Protection: cPhulk is a security function that is observed in cPanel based on Linux system. Passwords are the special features to access a website or a server. For security reasons passwords are saved in encrypted forms. Brute force attack is a technique which decodes an...
  6. J

    PHP 'HTTP Error - 500 Internal Server Error' - How to handle it

    PHP 500 Server Error: “HTTP Error 500” or “HTTP 500 internal server error” It means “something went wrong but cannot be described what is wrong”. while writing php scripts some mistakes are done by a programmer . since php is very aggressive and sensitive , even a single .(dot) or an extra /...
  7. J

    Why PerconaDB is better than MySql and how to replace MySql with PerconaDB on cPanel Server

    PerconaDB: As MySql 5.5 and its old versions are not so fast and not much consistent. percona is now taking place of MySql due to its better speed and consistency . Some of the drawbacks which we find while using MySql is unable to load large size database and it has a poor control on...
  8. J

    what is MySqli and how to enable MySqli extension on Webserver

    MySqli Extension: It is a method or technique used in PHP to interact with MySql database. MySqli can be used as a drop -all- replacement for various MySql functions. It supports the persistent programs. i in MySqli states that it is a improved version of MySql. MySqli is a quite fresh version...
  9. J

    What is .htaccess file and How to use .htaccess file?

    .Htaccess file: .htaccess file are the configuration files in order to modify the configuration of Apache web server on a per directory bases. We can also generate our .htaccess file manually. If you like to protect your website with a password then you will need to have .htaccess file...
  10. J

    Linux Sendmail Command Line - Examples

    Sendmail is the SMTP server that is used to send mail via command line. Sendmail command is mostly used by Linux/Unix distributer. With help of sendmail you can send mail via our Cronjob, shell script etc. we define different ways to send e-mail via command line as follow. You can choose the one...
  11. J

    what is PHP handler and brief description of php handler

    PHP handlers: PHP handlers are the certain types of programs that load the PHP codes library on your Apache web server. PHP handlers see how these libraries are being loaded on the server. If you want to run a website with Php script then you need to execute the PHP codes on server. Or in other...
  12. J

    How to Reset Litespeed password via open ssh

    Open BSD secure shell or SSH is a powerful network protocol which provides the secure access to remote computer. Litespeed WebServer: Now a days litespeed is widely used web server over Apache. Updating your server to litespeed enhances the capability of server. It is not only compatible with...
  13. J

    Linux usermod command with examples

    usermod command is used to change the attribute of already exist user account. The command useradd is used to create new user in Linux system. for creating a user you can simply write the username after useradd command. In case you need to change the attribute of user than use the usermod...
  14. J

    How to install virtual box on CentOS or RHEL

    Virtual Box: Virtual box is a useful application that provides the facility to run and install the multiple Operating system at same time into multiple virtual machine. The virtual box is based on cross platform virtualization. For instance if you want to run the window on linux system, run...
  15. J

    Linux lsof Command - Its examples and usage

    LSOF Command: LSOF command is a list open command. This command is widely used in server Administrator. Lsof command is used to declare the files that are opened via process. In linux system everything is treat as a file like sockets, devices, pipes etc. with the help of lsof command we show...
  16. J

    How to disable/enable allow_url_include and allow_url_fopen function using custom php.ini

    allow_url_fopen: For security purpose this function is set to off by default because this function allows you to access remote files that are opened. If you want to enable this function you need to modify in custom php.ini file. This function is disabled in some shared hosting server in...
  17. J

    How to Create Custom php.ini file in LiteSpeed WebServer

    Php.ini file: Php.ini file is a configuration file of php where you can declare any changes in php setting. In the php.ini file you can change the default setting of server by simply editing the php.ini file or create a new php.ini file. In php.ini file you can change immediately in the...
  18. J

    Linux Move command “mv” - To move files & directories

    The “mv” command: The “mv” command is used to move a directory or file from one location to another in Linux system. “mv” command is like “cp” command but it does not make any copy of a file in linux system. the “mv” command is installed in linux system by default. you can use the “mv” command...
  19. J

    What is nice value? How to change the priority of a linux process

    Nice value is a value that increment and decrements the priority of process. The nice value is come from nice () system calls. To calculate the nice value of a process use this equation Priority = (“recent CPU usage”/constant) + (base-priority)+(nice value) The nice value is supplied by only...
  20. J

    What is MTR and its useful commands

    MTR: MTR is a network tool that comes with the functionality of traceroute and ping program. MTR is referred to as My Traceroute used to diagnose the network connections errors and problems. It tests the router on the path of router by limiting the number of hops as per packets and listening...
Top