If you want to give read and write permission to a folder in Linux os (fedora, centos, ubuntu then use the following command:
#setfacl -R -m u:YOUR_USERNAME:rwx FOLDER_NAME
This command will be helpful for other Linux users to change files and folders.
If you are using linux so you are very much familiar with vim editor. Here I will show how install vim editor on linux box using command line.
Some time when you are doing new setup of server like for linux distribution. There is lot is coming cloud hosting and centos and fedora. My most favorite is fedora.
If your OS does not have vim then use following command.
[root@siwan]# yum install vim-X11 vim-common vim-enhanced vim-minimal Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * addons: hpc.arc.georgetown.edu * base: mirrors.netdna.com * extras: mirrors.greenmountainaccess.net * updates: mirror.cogentco.com Setting up Install Process Package 2:vim-X11-7.0.109-6.el5.i386 already installed and latest version Package 2:vim-common-7.0.109-6.el5.i386 already installed and latest version Package 2:vim-minimal-7.0.109-6.el5.i386 already installed and latest version Resolving Dependencies --> Running transaction check ---> Package vim-enhanced.i386 2:7.0.109-6.el5 set to be updated --> Finished Dependency Resolution Dependencies Resolved =========================================================================================================================================================================================================== Package Arch Version Repository Size =========================================================================================================================================================================================================== Installing: vim-enhanced i386 2:7.0.109-6.el5 base 1.2 M Transaction Summary =========================================================================================================================================================================================================== Install 1 Package(s) Update 0 Package(s) Remove 0 Package(s) Total download size: 1.2 M Is this ok [y/N]: y Downloading Packages: vim-enhanced-7.0.109-6.el5.i386.rpm | 1.2 MB 00:00 Running rpm_check_debug Running Transaction Test Finished Transaction Test Transaction Test Succeeded Running Transaction Installing : vim-enhanced 1/1 Installed: vim-enhanced.i386 2:7.0.109-6.el5 Complete!
Following are the common commands for doing editing with vim editor.
#vim somefile
some keys
i – for insert the text
escape – going to back
:18 – for going to line no 18
:w – write and save the file
:q! – quit the file, without saving
:wq! – saving and closing the file
shift +g – going to bottom of file
page up – page up
page down – page down
Many times we need to run the linux commands using PHP language. We are going to give you code to, execute linux commands using php. This is my favorite question about PHP when I take an interview of new PHP developer.
In this article I will show you how to execute the linux command using PHP language syntax or script.
You can execute linux commands within a php script – all you have to do is put the command line in backticks (”) ,exec() , and shell_exec().
$command = exec('linux command');
echo $command;
echo shell_exec('ll');