linux systems with webmin

Ngày tải lên: 08/03/2014, 23:20

... The Linux Installation and Getting Started Guides contain some good overview material. The Overview of a Linux System from the Linux Systems Administration Guide is also useful. As is the Linux ... *100072* COIT 13146 Systems Administration (An Introduction to Linux Systems Administration) Study Guide Systems Administration Chapter 1: The Overview Page 23 · Networks Without a network ... you with the information necessary to know which kernel services are associated with which features of Linux. Conclusions Computing is a large field with many different tasks implemented with...

Ngày tải lên: 13/09/2012, 10:21

... ext3 file systems at the same time, without having to switch operating systems. Remember that ext3 is backwards-compatible with ext2 so any programs or utilities that work with ext2 ... of the compress command is compress filename The file with the name filename will be replaced with a file with the same name but with an extension of .Z added, and that is smaller than ... and ext3 file systems. The FAT / NTFS file systems will be used by the version of Windows you were originally running, while the ext3 file systems will be those used by Linux. Of course...

Ngày tải lên: 19/10/2013, 02:20

... /usr/src /linux- 2.4/README or /usr/src /linux/ INSTALL Instructions on how to compile the kernel. · /usr/src /linux- 2.4/MAINTAINERS A list of people who maintain the code. · /usr/src /linux- 2.4/Documentation/* ... use of hardware components · Issues associated with the modern Linux kernel Further information about the Linux kernel can be obtained from the Linux Kernel HOWTO and the other resources mentioned ... The Linux Kernel Archives http://www.kernel.org/ This is the primary site for the Linux kernel source. · The International Kernel Patch http://www.kerneli.org/ Where the Linux kernel, with...

Ngày tải lên: 19/10/2013, 02:20

... Figures 17.1 and 17.2 show the difference between using inetd with tcpd and xinetd . Figure 17.1 inetd with tcpd Systems Administration Chapter 17: Network Applications Page 421 ... interface to SMB drives, Linux& apos;s virtual file system comes to the rescue. With the comment smbmount you can connect SMB drives from Windows machines to your Linux machine and use them ... program settings in the /etc/xinetd.conf file. Systems Administration Chapter 17: Network Applications Page 420 Most Linux distributions come with GUI utilities to manage Samba. SWAT (Samba...

Ngày tải lên: 19/10/2013, 02:20

... common. There are a number of good tools to assist with network security, and more and more of them are shipping with Linux distributions. Systems Administration Chapter 18: Security Page ... volume, and very informative. LinuxSecurity.com References The LinuxSecurity.com web site has numerous Linux and open source security references written by the LinuxSecurity staff and people ... See /usr/src /linux/ drivers/char/random.c for a description of the algorithm. Thanks to Theodore Y. Ts'o, Jon Lewis, and others from Linux- kernel for helping me (Dave) with this. Network...

Ngày tải lên: 19/10/2013, 02:20

... which come with your distribution of Linux In order to install Linux you basically have to have a functioning Linux computer. Therefore the installation disk(s) that you used to install Linux provide ... Damaged file systems Previous chapters examined file systems and backups. Although journaling filesystems are much more reliable than non-journaling types, they can still be damaged. With ext2 ... partition. The most common bootloaders for Linux are GRUB (GRand Unified Bootloader) and LILO (LInux LOader). GRUB is now the default for Red Hat Linux. Systems Administration Chapter 13: Startup...

Ngày tải lên: 19/10/2013, 02:20

... Commands and their dot files Systems Administration Chapter 10: Users Page 253 There is another problem with the root account. If you have a number of trusted Systems Administrators, the ... root account as a group account, you can provide all your Systems Administrators with sudo access. When they perform their tasks with sudo , what they do will be recorded, providing a clear ... specific file, under Linux /etc/aliases . This file will typically have an entry like Systems Administration Chapter 10: Users Page 250 Mail for old users On some systems, even if you delete...

Ngày tải lên: 19/10/2013, 02:20

Ngày tải lên: 12/12/2013, 22:41

Ngày tải lên: 14/12/2013, 12:15

... building a system with both AC and DC outputs. If AC is ASIDE: PLC outputs must convert the 5Vdc logic levels on the PLC data bus to exter- nal voltage levels. This can be done with circuits similar ... and appear to be working with a diminished voltage. If DC is connected to an AC triac output it will turn on and appear to work, but you will not be able to turn it off without turning off the ... until the current stops flowing. This is fine with AC current because the current stops and reverses every 1/2 cycle, but this does not hap- pen with DC current, and so the triac will remain...

Ngày tải lên: 22/12/2013, 20:16

... focuses on continuous control systems. • In practice most contemporary control systems make use of computers. • Computer based control is inherently different than continuous systems. • The purpose ... - 1.2 tougher, and the problem becomes non-linear. e.g. We are driving the perfect car with no friction, with no drag, and can predict how it will work perfectly. • Non-Linear - Not Linear. This ... etc. Logical and sequential control is preferred for system design. These systems are more stable, and often lower cost. Most continuous systems can be controlled logically. But, some times we will encounter...

Ngày tải lên: 22/12/2013, 20:16

... ACTUATOR SYSTEMS 25.4 25.3 CONTROL OF CONTINUOUS ACTUATOR SYSTEMS 25.5 25.3.1 Block Diagrams 25.5 25.3.2 Feedback Control Systems 25.6 25.3.3 Proportional Controllers 25.8 25.3.4 PID Control Systems ... focuses on continuous control systems. • In practice most contemporary control systems make use of computers. • Computer based control is inherently different than continuous systems. • The purpose ... INTRODUCTION 22.1 22.2 ANALOG INPUTS 22.2 22.2.1 Analog Inputs With a PLC 22.9 22.3 ANALOG OUTPUTS 22.13 22.3.1 Analog Outputs With A PLC 22.16 22.3.2 Pulse Width Modulation (PWM) Outputs 22.18 22.3.3...

Ngày tải lên: 22/12/2013, 21:18

... Transformation 2-8 Signals and Systems with MATLAB Applications, Second Edition Orchard Publications 8. Integration in Complex Frequency Domain This property states that integration in complex frequency domain with respect ... τ– λ= t λτ+= dt dλ= Signals and Systems with MATLAB Applications, Second Edition 2-1 Orchard Publications Chapter 2 The Laplace Transformation his chapter begins with an introduction to the Laplace ... later date. You should follow this practice with the exercises on all chapters of this book. Chapter 2 The Laplace Transformation 2-10 Signals and Systems with MATLAB Applications, Second Edition Orchard...

Ngày tải lên: 19/01/2014, 18:20

... info@orchardpublications.com Signals and Systems with MATLAB® Applications Second Edition Steven T. Karris Students and working professionals will find Signals and Systems with MATLAB® Applications, Second ... Evaluation of the Convolution Integral 6-8 Circuit Analysis with the Convolution Integral 6-18 Summary 6-20 Zs() Y s() Signals and Systems with MATLAB Applications, Second Edition 1-7 Orchard Publications The ... 3-15 Summary 3-18 Fs() mn≥ Signals and Systems with MATLAB Applications, Second Edition 1-1 Orchard Publications Chapter 1 Elementary Signals his chapter begins with a discussion of elementary signals...

Ngày tải lên: 19/01/2014, 18:20

... thereby replacing the common with a voltage input. The example in Figure 3.5 is repeated in Figure 3.6 for a voltage supply card. Figure 3.6 An Example of a 24Vdc Output Card With a Voltage Input (Sourcing) In ... This is because many of the programming systems are text based and circles cannot be drawn. plc wiring - 3.14 3.4 A CASE STUDY (Try the following case without looking at the solution in Figure ... contactor in series with an overload relay to cut off when too much current is drawn. Arc Suppression - when any relay is opened or closed an arc will jump. This becomes a major problem with large relays....

Ngày tải lên: 19/01/2014, 20:20

Ngày tải lên: 26/01/2014, 07:20

Ngày tải lên: 21/02/2014, 05:20

Ngày tải lên: 22/02/2014, 08:20