ServerBuddies Support Blog

Getting List of Product Components from Parallels Plesk Panel

To get a list of the release components, issue the command of the following format:

For Parallels Plesk Panel 10.0 on a Linux/Unix server:

A list of components is displayed with component names in the left part, and indication of whether this component can be installed ([install]) or upgraded ([upgrade]), with brief descriptions in the right part, for example (fragment):

* base [install] - Parallels Plesk Panel base packages
* autoinstaller [install] - Parallels Installer
* postfix [upgrade] - Postfix mail server

The actual components are marked by [up2date].

Reference : http://parallels.com/

How to list all the loaded modules in apache

We can use the following command to list all the loaded modules in apache (both DSO and Static)

This example is from a debian box using apache2.

Add user to sudoers list

sudoers - list of which users may execute what.

Login as root and then run the command visudo, add a line. Replace username to the actual user name.

/etc/sudoers - This file MUST be edited with the ‘visudo’ command as root.

To add all user in wheel group to sudoers list, login as root and then run the command visudo to uncomment the line below, or add this line is it not exist.

The complete parameter list for the ls command.

There are lots of parameters for the ls command that can come in handy as you do file management. If you use the man command for ls, you’ll see several pages of available parameters for you to use to modify the output of the ls command.

A common combination to use is the -a parameter to list all files, the -i parameter to list the inode for each file, the -l parameter to produce a long listing, and the -s parameter to list the block size of the files. The inode of a file or directory is a unique identification number the kernel assigns to each object in the filesystem. Combining all of these parameters creates the easy-to-remember -sail parameter.

To list all open files, use:

To list all open Internet, x.25 (HP-UX), and UNIX domain files, use:

To list all open IPv4 network files in use by the process whose PID is 1234, use:

Presuming the UNIX dialect supports IPv6, to list only open IPv6 network files, use:

To list all files using any protocol on ports 513, 514, or 515 of host wonderland.cc.pur-due.edu, use:

To list all open files for login name “abe”, or user ID 1234, or process 456, or pro-cess 123, or process 789, use:

To list all open files on device /dev/hd4, use:

To find the process that has /u/abe/foo open, use:

To send a SIGHUP to the processes that have /u/abe/bar open, use:

To find any open file, including an open UNIX domain socket file, with the name /dev/log,use: