https://www.garron.me/en/linux/set-time-date-timezone-ntp-linux-shell-gnome-command-line.html Set time and date from the command linedate -s "19 APR 2012 11:14:00" We'll see differences between hardware clock and system clock hwclock --show Let'…

<The Linux Command Line> 读书笔记01 基本命令介绍 1. What is the Shell? The Shell is a program that takes keyboard commands and passes them to the operating system to carry out. 提示符 $被称作shell prompt,它表明shell准备好接收输入. 通常是包含了你的用户名和机器名(username@machinename),之后是当前的…

http://linux.about.com/library/cmd/blcmdl1_bunzip2.htm NAME bzip2, bunzip2 - a block-sorting file compressor, v1.0.2 bzcat - decompresses files to stdout bzip2recover - recovers data from damaged bzip2 files SYNOPSIS bzip2 [ -cdfkqstvzVL123456789 ] […

by Umer Zeeshan Ijaz The purpose of this tutorial is to introduce students to the frequently used tools for NGS analysis as well as giving experience in writing one-liners. Copy the required files to your current directory, change directory (cd) to t…

打印new Date(),Fri Aug 12 13:37:51 CST 2016. 显示Asia/Shanghai的时区,但是date toString 的时区简写却是CST.更坑爹的是,Google CST结果出来是Central Standard Time. 表示North American Central Standard Time. 还以为jdk的date类有问题,debug date toString发现确实是将Asia/Shanghai的name 简写成CST. 接着google,…

Yunduan CUI graphical user interfaces make easy tasks easy, while command line interfaces make difficult tasks possible Part 1 学习Shell 1. 什么是 Shell? Shell 是用户与操作系统交流的程序,它读取用户的键盘输入并交由操作系统执行相应的命令.所有linux都支持一个叫做 bash 的shell,它的全称是 "Bourne Again SHell&quo…

Linux用户以及权限相关命令 查看身份 id:Display user identity. 这个命令的输出会显示uid,gid和用户所属的组. uid即user ID,这是账户创建时被赋予的. gid是primary group ID,是主要的组的id.当然这个用户也可以属于其他更多的组. 用户账户信息被定义在 /etc/passwd文件中,组信息被定义在/etc/group文件中. chmod 命令名称:chmod 命令英文原意:change the permissions mode of…

<The Linux Command Line> 读书笔记02 关于命令的命令 命令的四种类型 type type—Indicate how a command name is interpreted. type命令:展示命令的类型. which which—Display which executable program will be executed. which命令:展示可执行命令的位置. 因为可执行命令有可能会有多个版本,所以有必要根据位置来判断究竟是哪个. which仅对可执行程序…

Most of this note comes from the Beginning the Linux Command Line, Second Edition by Sander van Vugt The only reason why many administrators are using a graphical interface on Linux, is because it allows them to run many terminal windows simultaneous…

Linux:-bash: ***: command not found,系统很多命令都用不了,均提示没有此命令. 突然之间linux很多命令都用不了,均提示没有此命令. 这应该是系统环境变量出现了问题导致的. 解决办法: 先用:echo $PATH  查看path是否含有:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin 如果没有 先用临时环境变量(重启后消失)#export PATH=$PATH:/usr/local/sb…

Linux Command Line 解析 0 处理模型 Linux kernel的启动包括很多组件的初始化和相关配置,这些配置参数一般是通过command line进行配置的.在进行后续分析之前,先来理解一下command line的处理模型: 要处理的对象是一个字符串,其中包含了各种配置信息,通常各个配置之间通过空格进行分离,每个配置的表达形式是如:param=value1,value2 或者很简单就是一个rw. 那么kernel就需要提供对这些参数进行处理的处理函数列表.根据参数的作用以及…

When you are using Linux command line frequently, using the history effectively can be a major productivity boost. In fact, once you have mastered the 15 examples that I’ve provided here, you’ll find using command line more enjoyable and fun. 1. Disp…

I passionately enjoy working with commands as they offer more control over a Linux system than GUIs(Graphical User Interfaces) applications, therefore am always on the look out to discover or figure out interesting ways and ideas to make Linux so eas…

http://book.haoduoshipin.com/tlcl/book/zh/ 本书是 The Linux Command Line 的中文版, 为大家提供了多种不同的阅读方式. 中英文双语版-html 中英文双语版-PDF-2015-01-16 中文版-html 中文版-PDF-2015-01-16 中文版-EPUB 欢迎大家参与本书的翻译: github 本书的翻译由happypeter发起,Billie主力翻译,并社区协同努力 (Github Contributors)…

Notes on The Linux Command Line (by W. E. Shotts Jr.) edited by Gopher 感觉博客园是不是搞了什么CSS在里头--在博客园显示效果挺蛋疼的...这本书相当棒,建议一读 File, file systems and commands ls -a(all) -d(directory) -h(human-readable) less (show file content) FHS /bin: Contains binaries (pr…

安装qt时在执行./configure时报错:error: unrecognized command line option '-fuse-ld=gold' 这个错误是qt的一个bug. 在装有gold linker的系统里,编译脚本会加入-fuse-ld=gold选项,但这个选项gcc是不支持的. 解决办法是移除该选项,找到文件src/3rdparty/webkit/Source/common.pri,屏蔽QMAKE_LFLAGS+=-fuse-ld=gold. 将# QMAKE_LFLAGS…

Prerequisite: Linux Command Line(I): Beginner ================================ File I/O $ cat > a.txt #create a file 'a.txt' and appends things into it Type random stuff... # press Ctrl+d to exit editting $ cat a.txt Type random stuff... $ cat > a.t…

This Linux tutorial will explain the three "W" commands. The three "W"s are whatis, whereis and which commands. You already know how to use find command to efficiently fo find a file. Now, these three W commands will help you to locate…

附上链接:http://billie66.github.io/TLCL/book/chap01.html Content: part1-Introduction part2-Learning The shell starts our exploration of the basic language of the command line including such things as the structure of commands,file system navigation, comm…

1.0.0 Summary Tittle:[Linux]-NO.8.Linux.4.Command.1.001-[Common Command]- Style:Linux Series:Command Since:2017-04-16 End:2017-04-16 Total Hours:ing Degree Of Diffculty:5 Degree Of Mastery:5 Practical Level:5 Desired Goal:5 Archieve Goal:... Gerneral…

date.timezone设置php5默认date.timezone为utc,改为date.timezone = PRC即可解决时间相差八小时的问题,但我在php的官方文档中看了半天也没找到这个参数啊 虽然知道这个参数表示“中华人民共和国”的意思,但官方文档 中并没有这样的参数,只有Asia/Shanghai.Asia/Hong_Kong等这些参数啊,为何这里可以设置为RPC,哪位给指点指点,这个参数 究竟是在哪儿?官方文档中看来看去的确并没有此参数啊,不解. 一般都设成Asia/Shangha…

无论是在LAMP还是在LNMP系统环境下, 只要PHP的版本在5.3及其以上的版本时, 无论是在安装oscommerce, 还是在安装zen cart, 以及其他的CMS时, 都会遇到如下所示的错误信息(以安装zen cart为例) ERROR: date.timezone not set in php.ini. Please contact your hosting company to set the timezone in the server PHP configuration befo…

learn Linux sed command 一.参考文档: . sed命令详解 http://qifuguang.me/2015/09/21/sed%E5%91%BD%E4%BB%A4%E8%AF%A6%E8%A7%A3/ . linux之sed用法 http://www.cnblogs.com/dong008259/archive/2011/12/07/2279897.html . Sed 的man手册参数详细解释(一) http://blog.csdn.net/imfinger/arti…

By Ravi Saive Under: Linux Commands, Monitoring Tools On: December 26, 2013 http://www.tecmint.com/command-line-tools-to-monitor-linux-performance/ It’s really very tough job for every System or Network administrator to monitor and debugLinux System…

by RAMESH NATARAJAN on FEBRUARY 29, 2012 http://www.thegeekstuff.com/2012/02/dig-command-examples/ Dig stands for domain information groper. Using dig command you can query DNS name servers for your DNS lookup related tasks. This article explains 10…

Install the AWS Command Line Interface on Linux You can install the AWS Command Line Interface and its dependencies on most Linux distributions with pip, a package manager for Python. Important The awscli package is available in repositories for othe…

https://tecadmin.net/ways-to-send-email-from-linux-command-line/ We all know the importance of emails these days for information transfer. There are many free emails service providers which we used for use like Gmail, Yahoo, RediffMail etc, which pro…

date.timezone设置php5默认date.timezone为utc,改为date.timezone = PRC即可解决时间相差八小时的问题,但我在php的官方文档中看了半天也没找到这个参数啊   虽然知道这个参数表示“中华人民共和国”的意思,但官方文档 中并没有这样的参数,只有Asia/Shanghai.Asia/Hong_Kong等这些参数啊,为何这里可以设置为RPC,哪位给指点指点,这个参数 究竟是在哪儿?官方文档中看来看去的确并没有此参数啊,不解. 一般都设成Asia/Shang…

linux & command line & console & logs how to get the logs form linux command console https://cn.bing.com/search?q=how%20to%20get%20the%20logs%20form%20linux%20command%20console&qs=n&form=QBRE&sp=-1&pq=how%20to%20get%20the%20log…

PHP调试的时候出现了警告: It is not safe to rely on the system解决方法,其实就是时区设置不正确造成的,本文提供了3种方法来解决这个问题. 实际上,从PHP 5.1.0开始当对使用date()等函数时,如果timezone设置不正确,在每一次调用时间函数时,都会产生E_NOTICE 或者 E_WARNING 信息,而又在php中,date.timezone这个选项,默认情况下是关闭的,无论用什么php命令都是格林威治标准时间,但是PHP5.3中如果没有设置部…