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Generally, people only record some time and overhead at work, but not some processes. This article will introduce some record methods in Linux: 1. History/env The most common record method is to save history to a file, so we can probably know how you operate it through this file. History> session_cmd_record: Save your current
Bash saves a list of previously executed commands by defaultThe current shell's process is saved in the bufferThe commands in the buffer are saved in the file after the shell exits. Bash historyUse the up and down arrows to look over the previously executed commandsHistory! Number: Executes the number in history command！！ : Previous command！ -Number: Indicates the countdown number command in the list of execution commandsEsc. : Executes the last argum
At work, we need to record every command executed by the user and send it to the log server, so I have made a simple solution. This scheme sends every command executed by the user to the log daemon rsyslogd when each user exits the login, and you can further send the log to the log server by configuring "Etcrsyslog.conf"The first of these methods#vi Etcprofile# set The history formatexporthisttimeformat=[%y-%m-%d%h%m%s] [' Who Am I 2devnullawk ' {prin
In the Linux system environment, whether it is the root user or other users only after logging on the system with the access to the operation we can see history through the command, but if a server many people landing, one day because someone mistakenly operation deleted the important data. It doesn't make sense to look at the history (Command: Historical) at this time (because
How does Safari browser erase history? Now, many people are using the iphone or Mac computer. Safari browser is the Apple device with the browser, but many friends can not find the Safari browser to clean up the cache and history of the place, so safari how to erase the history? How does Safari clear the cache? Let's give you a little book to introduce Safari bro
It is well known that computers produce various browsing history data in use, such as temporary Internet files, download history, cookies, and Web site data, and so on, which can affect the speed of the system. The Ghost Win7 local file browsing history quick removal technique is also described in the previous tutorial, but this is simply to delete the local file
There are several basic ways to clear the search history. And starting with the 0.42e version, emule has added options in the settings, allowing users to choose to turn AutoComplete on or off, while also adding the ability to purge search history. You can pick one of your favorites from the following methods: 1. This method clears the search history (not actua
1.last, the default read is the/var/log/wtmp file content, showing the user login history and System restart history-N #: Displays information about recent # times650) this.width=650; "Src=" Http://s2.51cto.com/wyfs02/M02/84/4F/wKiom1eMmdKhn_XTAAHCM0K2_Qc596.jpg-wh_500x0-wm_3 -wmp_4-s_4000073811.jpg "title=" 1.jpg "alt=" Wkiom1emmdkhn_xtaahcm0k2_qc596.jpg-wh_50 "/>2.LASTB, the default is to read the content
Sometimes when compared to the code, see some changes, but not clear the author and reason for the change, do not know the corresponding bug number, that is, there is no way to find out the specific reasons for these changes ~"Note": A file changes are limited, and each time the code changes submitted will have a commit description, we can start from here;One, switch to the directoryFirst switch to the directory where you want to view the files:CD packages/apps/mms/src/com/android/mms/ui/Second,
Windows7 is becoming more and more powerful. The search function is also very powerful, but after searching the data, the search bar will leave a record, which may reveal personal privacy. So after the search, it is best not to keep the search records, so as not to leave trouble. But the biggest headache for us is that we watch how our search records are deleted. The following system of the small series to tell you how to delete the Win7 Resource manager his
1th step: Normal open Google Browser, and click on Google browser in the upper right corner of the icon, select History from the menu that appears. Computer Mutual Help Network note: The lower version of Google's browser is also clicked on the icon on the right, but the lower version, may not be the same icon, the author used a low version here icon is a hand icon. 2nd step: In the open Google browser
History of succession There are four forms in the history of succession, let's take a look.1. Traditional forms Fir.prototype.lastName = "STG"; function Fir () { this.age =; } var fir = new Fir (); Foo.prototype = Fir; function foo () {} var foo = new Foo (); Person.prototype = foo; func
Why delete Browsing history in the IE8 browser, there are a lot of automatic suggestions, history, favorites, and so on in the dropdown menu of the address bar. This is because IE8 uses Windows Search to index the content that has been accessed, and when you enter an address to the Address bar, IE8 automatically searches for information from the index (Windows XP requires additional downloads to install Wi
The search feature of the Win7 Explorer is particularly strong, and the search history appears in the Drop-down list box when any user uses it. But if your computer to deal with the collective environment, or home to guests, such a function will also bring hidden dangers to users, once the computer is used by others, the user's security and privacy is not protected, how to do? The user can set the Win7 system with its own To mask the search
The History of PHP developmentTo understand a language, we must know the history of the language, and now I have a version of the changes in the form of a timeline to illustrate the evolution of PHP.The birth of PHP1.0 at the beginning of 1.1995 yearsRasmus Lerdof invented PHP, a simple set of Perl scripts to track visitors ' information. This time PHP is just a gadget, his name is called "Personal home Pag
This example for you to share the Android search function, and need to display the history of the search for your reference, the specific content as follows Effect Chart: This case is simple to implement, so it can be directly embedded in the project using the knowledge points involved:-database additions and deletions to check operations-Nested conflict resolution for ListView and ScrollView-Monitor Soft keyboard return button set to search butto
Location.href Iframe.location.href window.location.hrefEntire URL string (in the browser is the complete address bar) Reloadmethod, which forces the browser to refresh the current page.Syntax: Location.reload ([Bforceget])Parameters: Bforceget, optional parameter, default to False, take the current page from the client cache. True to get the latest page from the service, equivalent to the client-click F5 ("Refresh")Replacemethod, which replaces the item currently cached in
In the conf file of your spark path, the CP copy Spark-defaults.conf.template is spark-defaults.conf and add the following file spark.eventLog.enabled trueSpark.eventLog.dir hdfs://master:9000/historySpark.eventLog.compress true Distribute configuration to other child nodes I'm using rsync. rsync sparkconf Path/spark-defaults.conf child node ip:sparkconf path/spark-defaults.conf Start Spark History Server, execute on the master node Spark Pa
"The strongest brain in history, 1th off" This is relatively simple, mobile phone or flat screen facing their own face, and then flip 180 degrees from top to bottom, "fu" word on the upside. "The strongest brain in history, 2nd off" This is to find spiders and flies have several differences, spiders have 8 legs, flies have 6 legs, so they have 14 different places, fill "14" can "The strongest brain in
Mobile phone or tablet use, many friends in the browser to delete the history of the browsing, how to delete the history of the browser can refer to the following actions: 1. In our mobile phone "standby interface" click on the desktop "browser" and then will open the browser oh. 2. At this time we press the "menu button" on the phone and will pop up an interface we click the "settings" details as shown
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