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"Linux Mint 15 LXDE" and "Customize LXDE Tutorial". Grub: how to repair, adapt or remove it - Easy Linux tips project. Back to the home page Introduction 1.

Grub: how to repair, adapt or remove it - Easy Linux tips project

Grub, or the Grand Unified Bootloader, is the most common boot loader for Linux. That's well deserved: the thing actually boots all conceivable operating systems. All Linux distributions, all types of Windows, all types of DOS, all kinds of BSD, Apple Mac OS, you name it. On my multiple boot laptop there once were 10 different operating systems in the menu of Grub: they all lived brotherly side by side on the same hard drive .... Grub is evidence of the strength of simplicity: the program is very simple, but also powerful and versatile. Tips. Chmod 755. Put the fun back into computing. Use Linux, BSD.

Keyboard Shortcuts for the GNOME Desktop. DistrosDefaultLayout. This guide lists the default installation layouts for Apache HTTPD on various operating systems and distributions.

DistrosDefaultLayout

While examples in the main Apache HTTP Server documentation assume that you are using the standard file layout distributed from apache.org, many third-party distributors change the layout to conform to local policies. This can make it difficult to follow the examples and to find various important files. Using the information below, you can find where things live on your local install, and compare it to the standard Apache httpd paths. Apache httpd 2.4 default layout (apache.org source package): Apache httpd 2.2 default layout (apache.org source package): Apache httpd 2.0 default layout (apache.org source package): Debian, Ubuntu (Apache httpd 2.x): Notes: The Debian/Ubuntu layout is fully documented in /usr/share/doc/apache2/README.Debian Debian/Ubuntu use symlinks to configure vhosts and load modules.

Fedora Core, CentOS, RHEL: Linux_file_structure.jpg (JPEG Image, 1000×647 pixels) 5 commands to check memory usage on Linux. Memory Usage On linux, there are commands for almost everything, because the gui might not be always available.

5 commands to check memory usage on Linux

When working on servers only shell access is available and everything has to be done from these commands. So today we shall be checking the commands that can be used to check memory usage on a linux system. Memory include RAM and swap. It is often important to check memory usage and memory used per process on servers so that resources do not fall short and users are able to access the server. 1. free command The free command is the most simple and easy to use command to check memory usage on linux. . $ free -m total used free shared buffers cached Mem: 7976 6459 1517 0 865 2248 -/+ buffers/cache: 3344 4631 Swap: 1951 0 1951 The m option displays all data in MBs. Linux has the habit of caching lots of things for faster performance, so that memory can be freed and used if needed.

Chapter 1. GNU/Linux tutorials. I think learning a computer system is like learning a new foreign language.

Chapter 1. GNU/Linux tutorials

Although tutorial books and documentation are helpful, you have to practice it yourself. In order to help you get started smoothly, I elaborate a few basic points. The powerful design of Debian GNU/Linux comes from the Unix operating system, i.e., a multiuser, multitasking operating system. You must learn to take advantage of the power of these features and similarities between Unix and GNU/Linux. Don't shy away from Unix oriented texts and don't rely solely on GNU/Linux texts, as this robs you of much useful information. Upon starting the system, you are presented with the character based login screen if you did not install X Window System with the display manager such as gdm3. Foo login: If you did install a GUI environment such as GNOME or KDE, then you can get to a login prompt by Ctrl-Alt-F1, and you can return to the GUI environment via Alt-F7 (see Section 1.1.6, “Virtual consoles” below for more). # chvt 1. WEEKDAY. Returns the day of the week corresponding to a date.

WEEKDAY

The day is given as an integer, ranging from 1 (Sunday) to 7 (Saturday), by default. Syntax WEEKDAY(serial_number,return_type) Serial_number is a sequential number that represents the date of the day you are trying to find. Dates should be entered by using the DATE function, or as results of other formulas or functions. Return_type is a number that determines the type of return value. Remark Microsoft Excel stores dates as sequential serial numbers so they can be used in calculations. Example The example may be easier to understand if you copy it to a blank worksheet. How to copy an example Create a blank workbook or worksheet. Note Do not select the row or column headers. Selecting an example from Help.