ssh the secure shell
implementing ssh - strategies for optimizing the secure shell
Ngày tải lên: 25/03/2014, 11:44
The Linux Shell and BASH Scripting
... until The Saigon CTT Input Input We can input the information into script when executing the script ( interactive) Commands : read select The Saigon CTT The Linux Shell The Linux Shell Shells ... VAR1=`ls /var/log | wc –l` # echo $VAR1 65 The Saigon CTT The Linux Shell The Linux Shell Shells : Bourne (sh), Bourne Again (bash), Korn (ksh), C shell (csh, tcsh) Programs start from ... around expression if-then-else : if [ <exp1> ] # include SPACEs then # what to do if the exp1 is true elseif [ <exp2> ] then # what to do if the exp2 is true else fi The Saigon CTT ...
Ngày tải lên: 24/06/2013, 01:25
Guide to the Secure ConfiguratGuide Configuration and Administration of Microsoft Exchange
... potentially non -secure. When saving the password to disk, the password is not encrypted on the disk and is readable to anyone who obtains the disk the disk must be kept in a secure place. The use of ... offered, as they would vary depending the sensitive of the data being protected. To manage this feature, select the CA object under the site container and then select File/Properties and the “Passwords” ... Server Level At the server level, the logons feature and diagnostic logging are of interest. There are no specific security settings in relation to the logons feature. The intent of the feature...
Ngày tải lên: 22/10/2013, 16:15
Tài liệu Learning DebianGNU Linux-Chapter 13. Conquering the BASH Shell pptx
... that of the C programming language. Korn shell /bin/ksh The third Unix shell, added many of the features of the C shell to the original Bourne shell. Z shell /bin/zsh A feature-packed shell ... includes the most popular Unix shells, as shown in Table 13.1. The most popular Linux shell is the BASH shell (the "Bourne Again SHell& quot;), based on the original Unix Bourne shell. The BASH ... Linux shell. Many users initially find the shell cumbersome, and some retreat to the familiar comfort of the graphical user interface, avoiding the shell whenever possible. the output of the...
Ngày tải lên: 14/12/2013, 13:15
Tài liệu An Introduction to the C shell docx
... typed by the shell when it notices that the du program stopped. Forbackground jobs, using the stop command, it is An Introduction to the C shell USD:4-5 1.4. Metacharacters in the shell The shell ... a directory in the current shell ssearch path and wish the shell to find it, since otherwise the hashing algorithm may tell the shell that the command wasn’tinthat directory when the hash table ... definitions from the shell, and unsetenv removesvariables from the environment. 2.9. What else? This concludes the basic discussion of the shell for terminal users. There are more features of the shell...
Ngày tải lên: 15/12/2013, 20:15
Báo cáo khóa học: Acharan sulfate, the new glycosaminoglycan fromAchatina fulica Bowdich 1822 Structural heterogeneity, metabolic labeling and localization in the body, mucus and the organic shell matrix docx
... isolated from the nacreous layer of the shell from the pearl oyster, Pinctada maxima. Although these and other reports suggest the presence of GAGs or proteoglycans in the mollusk shell organic matrix, the ... [5]. These findings raise the interesting question of whether the balance between acharan sulfate and this other GAG species remains unchanged from birth to the adult life of the snail. The presence ... compared to the other profiles, where peaks R3 and R4 predominate over the other R-peaks, which are either present in a very small amount or are lacking (Fig. 1C). In order to verify whether the conditions...
Ngày tải lên: 16/03/2014, 16:20
Using the Shell
... page through the process list. The last line displays the word bash: followed by the path to the bash man page, and then displays only the path to the man page (the second element on the line). Using backticks, ... programming. Although the shell used most often with Linux systems is called the Bourne Again Shell (bash), other shells are available as well (such as sh, csh, ksh, tcsh, and others). In many cases, these shells, such ... expr2 Check whether either of the two expressions is true file1 -nt file2 Check whether the first file is newer than the second file (using the modification timestamp) 66 Chapter 3: Using the Shell 82935c03.qxd:Toolbox...
Ngày tải lên: 29/09/2013, 22:20
Math from the Shell
... FROM THE SHELL bc The bc utility is an arbitrary-precision calculator. This means the precision of the answer can be set at runtime through the use of the scale operator. Most of the mathematical ... numbers; eval- uating a number pushes it onto the stack, and the operations pop their arguments off the stack and push the result back onto the stack. For shell scripting purposes, I have not used ... calculator. There are two parts to the quotient of an integer-division problem, the whole (or integer) part and the remainder. Take the example of 5 divided by 3; the whole part of the quotient...
Ngày tải lên: 05/10/2013, 08:51
The Shell
... modify the operation of the shell. Table 7.2 lists most of the special characters which the shell recognises and the meaning the shell places on these characters. In the following discussion, the ... Eventually the shell will execute the command. The shell passes to the command a list of arguments. The command then proceeds to perform its function. In the case above the command the user entered ... is the newline character. The newline character tells the shell that the user has finished entering a command and that the shell should start parsing and then executing the command. The shell...
Ngày tải lên: 19/10/2013, 02:20
Tài liệu Introduction to the shell pdf
... Permission] $ magic ↵ [Execute the shell script] • In the current shell by using the dot (.) command with the script name in the Bash shell $ . magic ↵ [In the Bash shells] Debugging Shell Scripts • Linux ... acronym for ‘Tom’s C shell also known as the TC shell • It is an enhancement of the C shell • Uses the symbolic link csh • Can be executed by using either csh or tcsh at the shell prompt • ASH: • Is ... memory • Uses the symbolic link, bsh in Fedora Core 2 Unix Shells • Some of the popular Unix Shells are: • Bourne Shell: sh is the executable filename for this shell • C Shell: csh is the executable...
Ngày tải lên: 21/01/2014, 17:20
Tài liệu Secure Tunnelling with SSH docx
... look at the following Web sites: The official OpenSSH Web site, at http://www.openssh.org/ The OpenSSH FAQ, at http://www.openssh.org/faq.html The OpenSSH mailing list, at http://www.openssh.org/list.html The ... through the process of creating a key pair, and using it to securely connect to other hosts. With the basics out of the way, I then moved to the main focus of this article - using SSH to create secure ... by the SSH daemons running at the two ends of the connection. Note that this connection remains available for the duration of your SSH session - the moment you log out of "brutus", the...
Ngày tải lên: 24/01/2014, 19:20
Tài liệu Báo cáo " STABILITY OF THE ELASTOPLASTIC THIN ROUND CYLINDRICAL SHELLS SUBJECTED TO TORSIONAL MOMENT AT TWO EXTREMITIES " pptx
... 386.08 Table 1. The results basing on the elasto-plastic theory Stability of the elastoplastic thin round cylindrical shells subjected to 25 The arc-length of the strain trajectory is calculated by the formula ds dt = 2 √ 3 | ... cylindrical shell reachs a determined value, the difference between the critical loads found by basing on two theories is very little. Therefore for the slender cylindrical shells, calculating based on the ... follows a) The critical loads determined according to the elastic theory are much greater than those according to the theory of elasto-plastic processes when the thickness of cylin- drical shell is...
Ngày tải lên: 13/02/2014, 04:20
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