linux set environment variable to command output

Linux Computing Environment 1

Linux Computing Environment 1

... hierarchy of directories, subdirectories, and files that are grouped together for a specific purpose • Directory – A location for other files and directories The Linux file system, or directory structure, ... structure, enables you to create files and directories accessed through a hierarchy of directories • Subdirectory – Any directory below another directory For example, some of the subdirectories under the ... structure to store your data The topmost directory is called the root directory It is the starting point of the file-system hierarchy The root directory (/) is required for the operating system to function...

Ngày tải lên: 02/10/2013, 09:20

11 346 1
Learning DebianGNU Linux-Chapter 2: Preparing to Install Linux

Learning DebianGNU Linux-Chapter 2: Preparing to Install Linux

... once quipped that one can never be too thin, too rich, or have too much hard disk space Fortunately, Linux is not too hungry for disk space To install and use Linux, you should have at least 250 ... your config.sys or autoexec.bat file invokes programs that write to your hard disk, use the Windows Explorer to temporarily rename config.sys to config.fip and autoexec.bat to autoexec.fip If you're ... is large enough to accommodate the type of Linux installation you want, you can delete the partition and use the free space to hold Linux The easiest way to delete a partition is to use Debian's...

Ngày tải lên: 24/10/2013, 08:15

22 261 0
Báo cáo khoa học: "Using Machine-Learning to Assign Function Labels to Parser Output for Spanish" ppt

Báo cáo khoa học: "Using Machine-Learning to Assign Function Labels to Parser Output for Spanish" ppt

... divided the Spanish treebank into a training set of 80%, a development set of 10%, and a test set of 10% of all trees We randomly assigned treebank files to these sets to ensure that different textual ... and test trees 3.2 Adding Function Tags to Parser Output 4.1 The solution we adopt instead is to add Cast3LB functional tags to simple constituent trees output by the parser, as a postprocessing ... metric for evaluating results on the parser output The trees output by the parser are not identical to gold standard trees due to parsing errors, and the set of candidate nodes extracted from parsed...

Ngày tải lên: 08/03/2014, 02:21

8 375 1
Đề tài "Invariant measures and the set of exceptions to Littlewood’s conjecture " doc

Đề tài "Invariant measures and the set of exceptions to Littlewood’s conjecture " doc

... a−n Qi , a−n Qj belong ˜ ˜ to A and x, y are assumed to belong to the same atom with respect to A, it follows that i = j as claimed 554 MANFRED EINSIEDLER, ANATOLE KATOK, AND ELON LINDENSTRAUSS ... have to show that for x, y ∈ N which are in the same atom with / ˜ respect to A and satisfy x ∈ Qi ∈ Q and y ∈ Qj ∈ Q, in fact, i = j holds Since x and y belong to the same atom with respect to ... ε)-separated set; then the topological entropy of T is defined by (7.5) htop (T ) = lim lim sup ε→0 N →∞ 1 log sN,ε (T ) = sup lim sup log sN,ε (T ) N ε>0 N →∞ N THE SET OF EXCEPTIONS TO LITTLEWOOD’S...

Ngày tải lên: 15/03/2014, 09:20

49 439 0
Sharing Success--Owning Failure: Preparing to Command in the Twenty-First Century Air Force doc

Sharing Success--Owning Failure: Preparing to Command in the Twenty-First Century Air Force doc

... interview with his numbered Air Force commander and was tossed out of the office to find writing tools—definitely not the way you want to begin your tour! The bottom line: Do not leave the interview ... aren’t prepared Those entrusted to your charge want and need to be led from day of your command tour EXPECTATIONS OF COMMAND Get to know and network with your fellow commanders––irrespective of career ... named squadron commander––it is the best job in the Air Force, and the toughest To help you get off on the right foot, I’d like to offer some words to help with your mental preparation To start with,...

Ngày tải lên: 15/03/2014, 09:20

131 349 0
Mentor UGI DC Drives 25A to 1850A output

Mentor UGI DC Drives 25A to 1850A output

... Integer RW variable to 255 RW 000 15.14 Integer RW variable to 255 RW 000 15.15 Integer RW variable to 255 RW 000 15.16 Integer RW variable to 255 RW 000 15.17 Integer RW variable to 255 RW 000 ... Integer RW variable to 255 RW 000 16.14 Integer RW variable to 255 RW 000 16.15 Integer RW variable to 255 RW 000 16.16 Integer RW variable to 255 RW 000 16.17 Integer RW variable to 255 RW 000 ... 15.18 Integer RW variable to 255 RW 000 15.19 Integer RW variable to 255 RW 000 15.20 Integer RW variable 10 to 255 RW 000 15.21 Bit variable or RW 15.22 Bit variable or RW 15.23 Bit variable or RW...

Ngày tải lên: 15/05/2014, 13:24

116 561 0
Mac OS X Server Introduction to Command-Line Administration Version 10.6 Snow Leopard phần 1 pptx

Mac OS X Server Introduction to Command-Line Administration Version 10.6 Snow Leopard phần 1 pptx

... Commands Specifying Files and Folders Commands Requiring Root or Administrator Privileges Getting Help for Command- Line Tools Using Help Built Into Command- Line Tools Using Man Pages Using Info Pages ... of the command- line environment in Mac OS X Server—for administrators who are new to the command line or who are coming from the command line on other platforms ÂÂ Chapter 2, “Using the Command- Line ... hardware-specific Mac attributes from the command line ÂÂ Appendix ,  Command- Line Tools Specific to Mac OS X,” provides a list of the command- line tools that are unique to Mac OS X and Mac OS X Server...

Ngày tải lên: 09/08/2014, 07:20

10 1K 0
Mac OS X Server Introduction to Command-Line Administration Version 10.6 Snow Leopard phần 2 pptx

Mac OS X Server Introduction to Command-Line Administration Version 10.6 Snow Leopard phần 2 pptx

... output pipe is where command output is sent By default, command output is sent to the command line You can redirect the output from the command line to other commands and tools ÂÂ stderr—The standard ... command line along with standard output  19 Redirecting Input and Output From the command line, you can redirect input and output from a command to a file, or to another command Redirect output ... is stored in the shell’s PATH environment variable and includes the folders containing most command- line tools Chapter 1    Introduction to the Command- Line Environment 13 For example, to run...

Ngày tải lên: 09/08/2014, 07:20

10 783 0
Mac OS X Server Introduction to Command-Line Administration Version 10.6 Snow Leopard phần 3 docx

Mac OS X Server Introduction to Command-Line Administration Version 10.6 Snow Leopard phần 3 docx

... 3    Scripting the Command Line Connecting to Remote Computers Learn about using the command- line on computers remotely If you need to run command- line tools on remote computers, there are tools to help ... examining stored crontab files and checking each command to see if it should be run in the current minute When commands execute, output is mailed to the owner of the crontab file or to the user ... you send secure, encrypted commands to a computer remotely, as if you were sitting at the computer You use the ssh tool in Terminal to open a command- line connection to a remote computer, and...

Ngày tải lên: 09/08/2014, 07:20

10 522 0
Mac OS X Server Introduction to Command-Line Administration Version 10.6 Snow Leopard phần 4 pptx

Mac OS X Server Introduction to Command-Line Administration Version 10.6 Snow Leopard phần 4 pptx

... controlling access to the SSH service, see Open Directory Administration Connecting to a Remote Computer Using SSH Use the ssh tool to create a secure shell connection to a remote computer To access ... enter the command To close the remote connection, enter logout You can authenticate and send a command using a single line, by appending the command to the basic ssh tool For example, to delete ... 4    Connecting to Remote Computers 33 Common Command- Line Tasks This chapter discusses some of the most frequently used command- line task If you’re new to the command- line environment, it helps to understand...

Ngày tải lên: 09/08/2014, 07:20

10 550 0
Mac OS X Server Introduction to Command-Line Administration Version 10.6 Snow Leopard phần 5 pptx

Mac OS X Server Introduction to Command-Line Administration Version 10.6 Snow Leopard phần 5 pptx

... restarts Automatic Restart You can also use the systemsetup tool to set the computer to start up after a power failure or system freeze, by specifying a number of seconds: systemsetup -setwaitforstartupafterpowerfailure ... ipmitool command reverts to the default setting (none) Restarting the Xserve system without running the ipmitool command doesn’t change the boot device order For more information about ipmitool, ... Chapter 6    Accessing Apple Hardware from the Command Line Appendix Command- Line Tools Specific to Mac OS X The following command line tools are unique to Mac OS X or substantially different from...

Ngày tải lên: 09/08/2014, 07:20

10 858 1
Mac OS X Server Introduction to Command-Line Administration Version 10.6 Snow Leopard phần 6 pdf

Mac OS X Server Introduction to Command-Line Administration Version 10.6 Snow Leopard phần 6 pdf

... Console  12 cp tool  39 critical services, monitoring  24 cron tool  25 crontab file  25 D defaults tool  36 disks, startup  43 ditto tool  41 documentation  7, 8, 17 E Emacs text editor  35 encryption  27, ... tool  41 H help, using  6 I info pages  18 info tool  18 input /output commands  19, 20 ipmitool tool  44 K Kerberos  28 key-based authentication  28, 30 known_hosts file  31, 32 L launchctl tool  24, ... ssh-keygen tool  29 standard pipes  19 startup disk settings  43 stderr pipe  19 stdin pipe  19 stdout pipe  19 sudo tool  16 systemsetup tool  42 T tar tool  40 Terminal  10, 11, 12 text editors  35,...

Ngày tải lên: 09/08/2014, 07:20

8 689 0
AN0812   paralleling the TC1121 to reduce output resistance for driving higher load currents

AN0812 paralleling the TC1121 to reduce output resistance for driving higher load currents

... C1B – To External Func Gen SHDN CAP+ TC1121(B) FC OSC CAP– VOUT To External Func Gen V– – GND GND + C2 115 RL1 100 RL2 Notes: Internal 200KHz oscillator used for all measurements Adjustable output ... in this configuration 115Ω resistor used for 25mA load current measurement only FIGURE 2: Parallel TC1121s application circuit VIN Flying Capacitor Output Capacitor Load VOUT VOUT Droop Osc Voltage ... 200 200 200 200 200 200 200 200 200 200 200 200 200 Note: Output ripple is similar to single TC1121 for identical values of output capacitor (C2) and load current TABLE 3: Parallel TC1121s data...

Ngày tải lên: 11/01/2016, 14:26

6 107 0
Arch Linux Environment Setup How-to doc

Arch Linux Environment Setup How-to doc

... best to address it www.it-ebooks.info Arch Linux Environment Setup How -to Welcome to Arch Linux Environment Setup How -to Arch Linux is a very flexible distribution and this book will guide you to ... of Syslinux The final installation of Syslinux has to be done from within the chrooted environment /usr/sbin/syslinux-install_update -iam Should the previous command fail while trying to set the ... need to change the boot order in the BIOS where the CD-ROM (or DVD/Blu-ray) has to be chosen as the first device to try booting from 15 www.it-ebooks.info Arch Linux Environment Setup How -to ff Setting...

Ngày tải lên: 07/03/2014, 02:20

68 681 0
Arch Linux Environment Setup How-to pdf

Arch Linux Environment Setup How-to pdf

... best to address it www.it-ebooks.info Arch Linux Environment Setup How -to Welcome to Arch Linux Environment Setup How -to Arch Linux is a very flexible distribution and this book will guide you to ... of Syslinux The final installation of Syslinux has to be done from within the chrooted environment /usr/sbin/syslinux-install_update -iam Should the previous command fail while trying to set the ... need to change the boot order in the BIOS where the CD-ROM (or DVD/Blu-ray) has to be chosen as the first device to try booting from 15 www.it-ebooks.info Arch Linux Environment Setup How -to ff Setting...

Ngày tải lên: 23/03/2014, 17:21

68 449 0
Hoàn thiện công tác tổ chức lao động và tiền lương của Công ty Vật liệu chịu lửa và Khai thác đất sét Trúc Thôn.DOC

Hoàn thiện công tác tổ chức lao động và tiền lương của Công ty Vật liệu chịu lửa và Khai thác đất sét Trúc Thôn.DOC

... công thức: Mtg/sp = To + Tpv + Tnc Nếu thời gian phục vụ nơi làm việc thời gian nghỉ nhu cầu tính theo tỷ lệ phần trăm so với thời gian tác nghiệp công thức có dạng sau: Ntg/sp = To [1 + (a+b) /100] ... hình lao động với trình độ khác nhau, từ nhng lao động phổ thông cấp, không đợc đào to nhng lao động đợc đào to sơ cấp, trung cấp, cao đẳng đại học Về cấu máy xếp ổn định tổ chức theo chơng trình ... thời gian chuẩn bị kết thúc Do ớc thời gian cho đơn vị sản phẩm tính theo công thức (2) Mtg/sp =To + Tpv + Tnc +Tck/n (phút) (2) Trong đó: n số sản phẩm loạt sản phẩm Nếu số lợng sản phẩm nhiều...

Ngày tải lên: 01/09/2012, 15:53

78 1K 5
How to setup a Linux system that can boot directly from a software RAID

How to setup a Linux system that can boot directly from a software RAID

... RAID array has finished to resync, run again GRUB to install the loader on the new partition (with root (hd1,0)and setup (hd1) ) If you decide to use the tip described into this article, it at ... Try to simulate disk failures, remove devices, as much tests you can, to check if the system will actually survive disk failures, if it can be fault tolerant relative to the boot process, and to ... the failed disk When a new disk to replace the failed one is available it can be installed into the system, partitioned to have the two software RAID partitions to replace the ones of the failed...

Ngày tải lên: 18/09/2012, 10:11

14 568 1
Hoàn thiện công tác tổ chức lao động & tiền lương của C.ty Vật liệu chịu lửa & Khai thác đất sét Trúc Thôn

Hoàn thiện công tác tổ chức lao động & tiền lương của C.ty Vật liệu chịu lửa & Khai thác đất sét Trúc Thôn

... công thức: Mtg/sp = To + Tpv + Tnc Nếu thời gian phục vụ nơi làm việc thời gian nghỉ nhu cầu tính theo tỷ lệ phần trăm so với thời gian tác nghiệp công thức có dạng sau: Ntg/sp = To [1 + (a+b) /100] ... hình lao động với trình độ khác nhau, từ nhng lao động phổ thông cấp, không đợc đào to nhng lao động đợc đào to sơ cấp, trung cấp, cao đẳng đại học Về cấu máy xếp ổn định tổ chức theo chơng trình ... thời gian chuẩn bị kết thúc Do ớc thời gian cho đơn vị sản phẩm tính theo công thức (2) Mtg/sp =To + Tpv + Tnc +Tck/n (phút) (2) Trong đó: n số sản phẩm loạt sản phẩm Nếu số lợng sản phẩm nhiều...

Ngày tải lên: 16/11/2012, 09:14

78 540 2
Hoàn thiện công tác tổ chức lao động & tiền lương của công ty Vật liệu chịu lửa & Khai thác đất sét Trúc Thôn

Hoàn thiện công tác tổ chức lao động & tiền lương của công ty Vật liệu chịu lửa & Khai thác đất sét Trúc Thôn

... công thức: Mtg/sp = To + Tpv + Tnc Nếu thời gian phục vụ nơi làm việc thời gian nghỉ nhu cầu tính theo tỷ lệ phần trăm so với thời gian tác nghiệp công thức có dạng sau: Ntg/sp = To [1 + (a+b) /100] ... hình lao động với trình độ khác nhau, từ nhng lao động phổ thông cấp, không đợc đào to nhng lao động đợc đào to sơ cấp, trung cấp, cao đẳng đại học Về cấu máy xếp ổn định tổ chức theo chơng trình ... thời gian chuẩn bị kết thúc Do ớc thời gian cho đơn vị sản phẩm tính theo công thức (2) Mtg/sp =To + Tpv + Tnc +Tck/n (phút) (2) Trong đó: n số sản phẩm loạt sản phẩm Nếu số lợng sản phẩm nhiều...

Ngày tải lên: 14/01/2013, 10:05

78 493 0
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