... 1Starting Linux Command- Line AdministrationTo unleash the full power of Linux, as a Linux administrator you will spend most of your time typing commands on the Linuxcommand line, the so-called ... AREauthenticated. Command- Line BasicsThe commandline is important, because a system administrator can do anything from it. Linux has many, many commands, more than you will ever know, and new commands ... xviiCHAPTER 1 Starting Linux Command- Line Administration 1CHAPTER 2 Performing Essential Command- Line Tasks. . . . . . . . . . . . . . . . . . . . . . 27CHAPTER 3 Administering the Linux File System...
... ■ ACCEPTING COMMAND- LINE OPTIONS, SWITCHES, AND PARAMETERS35 x) set +x ;; h) echo -e $Usage ;; *) echo -e $Usage ;; esac done}The getopts command is invoked with a list of the valid ... colon character that starts this line is a valid shell command that performs no active task. In this syntax it simply expands any arguments that may follow it on the line. In this case we simply ... result, this command uses the value of the LOGNAME variable for the echo com-mand, and sets the value of username to the value of LOGNAME. 32CHAPTER 5 ■ ACCEPTING COMMAND- LINE OPTIONS,...
... 154CHAPTER 23 ■ COMMAND- LINE E-MAIL ATTACHMENTS fi fielse echo $usage exit 1fiNext the e-mail message is created, ... received it, I copied the headers into the test message. I have preserved the line spacing of the copied message.Notice the line in the preceding code that defines a boundary string ( mime-attachment-boundary). ... destination address manually. Finally we remove the temporary file for cleanup. 151■ ■ ■CHAPTER 23 Command- Line E-mail AttachmentsI often send e-mail to myself containing information gathered from...
... executes the command. 100CHAPTER 15 ■ COMMAND- LINE EDITING AND HISTORYWhen you enter command mode you start at the bottom of your history and press the K key to move back up through the list. ... com-mand line is command and file completion. With this feature, you can start to type a path or command, and once you’ve typed a sufficient number of characters for the path or command to ... (down) through the history list. Once you have found the desired command, you can make any appropriate modifications and press Enter to run the command. One last command- history function that...
... and reuse.1. To read a file line- by -line where the lines contain more than a single “word,” refer to Chapter 10. 104CHAPTER 16 ■ SCRIPTING FROM THE COMMAND LINE concurrent package installation ... lines at once), you can return to the previous (mistyped) command in your history and then edit the command sequence using vi-style command- line editing. You can also recall a previously entered ... THE COMMAND LINE 105The last example is something I do fairly regularly. I often want to gather information from each system named in a list of machines. This example shows how to get the list...
... IDE: ECLIPSING THE COMMAND LINE3 49810ch02.qxd 5/15/08 11:04 AM Page 34 The IDE: Eclipsing the Command Line There are two main ways you can work with Python: through the commandline or throughan ... you’ll learn how to use it both from the command line and from within Eclipse using the Subversive plug-in.CHAPTER 2■THE IDE: ECLIPSING THE COMMAND LINE4 09810ch02.qxd 5/15/08 11:04 AM Page ... 2■THE IDE: ECLIPSING THE COMMANDLINE 279810ch02.qxd 5/15/08 11:04 AM Page 27 SummaryEclipse is an increasingly popular IDE that offers many advantages over the command line. It’sfree, and it...
... ping and arp from the Command Line In chapter 9, we looked at the ping and arpcommands. These are available from the webinterface but they are also available from the command line. To ping another ... willstill be able to access the FreeBSD command line via the SSH protocol.Directory Listings (ls)To see the contents of the current folder, you use thels (list) command: freenas:~# ls.cshrc .dialogrc ... of that process. COMMAND Shows the command which was given to launch theprogram.Finding a specific process in such a long list can be aproblem. To help, you can use the grep command tolook...
... this commandline creates a new message with report.doc attached: ã "C:\Program Files\Microsoft Office\Office11\Outlook.exe " ã /a "C:\My Documents\report.doc" The command- line ... "C:\My Documents\report.doc" The command- line examples might be printed on two or more lines, but when typing them in, use one line and leave a space before the slash (/), as seen ... You can use an email address or any resolvable name or distribution list in your address book. Use it with the /c command- line parameter as in this example: ã Outlook.exe /c IPM.note /m diane@poremsky.com...
... the command- line switchesthat are available. Command- Line SyntaxIn Table B-5, you can see all the command- line switches understood by theVisual Basic .NET compiler. To get an instant listing ... tools and will also detail the command- line usages of vbc.exe. Command UtilitiesIn order to be able to run these command- line utilities, you must configure the environment properly. The Visual ... the command prompt to create Portable Executable (PE) files from your source files (see the previous Command Utilities” section for information on how to set up the environment foruse with command- line...
... EXEC Mode (the enable Command) 6 43Cisco Security Appliance CommandLine Configuration GuideOL-12172-01About This Guide Document ConventionsDocument Conventions Command descriptions use ... ãExamples depict screen displays and the commandline in screen font. ãInformation you need to enter in examples is shown in boldface screen font. ã Variables for which you must supply a ... Access ListsYou can apply an access list to limit traffic from inside to outside, or allow traffic from outside to inside. For transparent firewall mode, you can also apply an EtherType access list...
... Step 6 List the show commands a. List all show commands by entering show ? at the router privileged EXEC prompt. Router#show ? b. Is running-config one of the available commands from ... __________________________________________________________________________ Step 9 Use the command history feature a. Use the command history to see and reuse the previously entered commands. Press the up arrow or Ctrl-p to see the last entered command. Press it ... configuration by using the command show running-config at the privileged EXEC router prompt. Router#show running-config b. List six key pieces of information shown with this command: ...
... ụroot (bao g m c file n).ồ ả ẩ command optionarguments 1The Command The Command Line LineTài Li u H ng D n H c ệ ướ ẫ ọTài Li u H ng D n H c ệ ướ ẫ ọ Linux LPI Linux LPIwww.athena.edu.vnwww.athena.edu.vnBiên ... 2The Command Line The Command Line Giới thiệu dòng lệnhCú pháp dòng lệnhMột số lệnh thông dụngChuyển hướng ... Linux. V i h đi u hành Unix và Linux, các thao tác ớ ệ ềđ h a không th đáp ng đ công vi c c n ồ ọ ể ứ ủ ệ ầthi t. Dòng l nh là công c h u hi u nh t.ế ệ ụ ữ ệ ấDòng l nh trong Unix và Linux...
... sao lưu theo ý muốn của bạn. Tại câu lệnh này, Tar là 1 chuẩn định dạng file nén phổ biến trong Linux, tương tự như zip nhưng hiệu quả hơn nhiều, còn -vcf là 1 lựa chọn khác của hệ thống, với...