Dell Desktop Vostro, based on its "service number" or "Express service code" to find, the official website only the Windows family of graphics drivers, no Linux driver to provide downloads. Program-"System Tools-" hardware-"monitor, the resolution is only two optional, the interface is quite awkward.
The following steps recommend that the Linux system on another desktop be ssh-x to a host that needs to be installed, or not desktop, to avoid trouble
# Lspci | grep VGA/* Check the video card mode
/home/git/gitlab/public#Set up Apache error documents, if back end goes down (i.e. 503 error) Then a Maintenance/deploy page is thrown up.
ErrorDocument404/404.htmlErrorDocument422/422.htmlErrorDocument500/500.htmlErrorDocument503/deploy.htmlLogformat"%{x-forwarded-for}i%l%u%t \"%r\ "%>s%b"common_forwardederrorlogLogs/mydomain.gitlab_error.logCustomlogLogs/mydomain.gitlab_forwarded.log common_forwardedCustomlogLogs/mydomain.gitlab_access.log combined Env=!dontlogCustomlogLogs/mydomain.gitlab
Kind Third Kind Fourth Type The first three cases can be a single-stranded way to find out, because the selection of the end-to-end, is not the largest, so the first three kinds of cases is the primary, the last one is the root of the problem, the first set of data, 3, 1, 2, constitute the largest at both ends, so this time to use the second method The maximum value of the first is not the largest, but the minimum value must be the smallest, so, the total minus the sma
or/var/mail file
$ HOME/mail file
Maildir-style email directory
Maildir is a relatively new feature, which is supported by some advanced MTA, MDA, and MUA applications. A mailbox is a directory in which each message is a separate file instead of each message as part of the mailbox file.
Almost all MDA and MUA can use the/var/spool/mail email file.
Email User proxy
MUA does not receive messages and only displays messages already in the mailbox.
Many MUA can send emails (either by using the SMTP
systemPLEASE REMEMBER TO SET A PASSWORD FOR THE MySQL root USER !To do so, start the server, then issue the following commands:./bin/mysqladmin -u root password ‘new-password‘./bin/mysqladmin -u root -h xuyuzhu-OptiPlex-990 password ‘new-password‘Alternatively you can run:./bin/mysql_secure_installationwhich will also give you the option of removing the testdatabases and anonymous user created by default. This isstrongly recommended for production se
System settings –> Battery –> Use situation, the use of statistical energy consumption is also based on Power_profile.xml value as the basic parameter1, my mobile phone power_profile.xml content: HTC t328w
Copy Code code as follows:
2, obtain the method: first obtains the framework-res.apk from the handset, then uses the Apktool tool to Decompile
The file is located in the Mobile directory:/system/framework/framework-res.apk, enter the terminal under Linux, execute the command:
One, download ant
Download Address: http://ant.apache.org/bindownload.cgi
Download older versions of the old Ant releases found here
The address is as follows: old version download address
1.8.2 version csdn resource download: 1.8.2 version Download address
Copy the download file to the main file and extract it to the current folder
For example:/home/pateo/apache-ant-1.8.2
Second, configure environment variables
Open Terminal: pateo@pateo-optiplex-30
1. Introduction of Spark Package: spark-assembly-1.4.0-hadoop2.6.0, in the Lib directory of SparkFile-->project structure2. Create a Scala project with idea and create a new WordCount objectThe 3.WordCount code is as follows:Import Org.apache.spark.SparkConfimport Org.apache.spark.SparkContextimport org.apache.spark.sparkcontext._ ObjectWordCount {def main (args:array[string]) {if(Args.length 1) {System.err.println ("Usage: ") System.exit (1)} Val conf=Newsparkconf () Val SC=Newsparkcontext (Con
Built on top of the hadoop2.6.01. Download spark-1.4.0-bin-hadoop2.6.tgz on the website2. Unzip to the folder you want to put, tar zxvf spark-1.4.0-bin-hadoop2.6.tgz3. Configure profilesudo gedit/etc/profileAdd the path configuration below the file, save the exit, and use Source/etc/profile to make the environment effectiveExport scala_home=/home/jiahong/spark-1.4. 0-bin-hadoop2. 6 export PATH= $SPARK _home/bin: $PATH4. Start Spark[Email protected]7010: ~$ CD spark-1.4.0-bin-hadoop2.6/[email pro
1, the basic configuration of the computer as follows.My Computer Dale OptiPlex 9020 Mini TowerOperating system Windows 7 Professional Edition 64-bit SP1Ubuntu 14.042. The process of loading the system is no longer to repeat.can refer to http://blog.csdn.net/zimosangtian/article/details/418529053, open Ubuntu, because bloggers in school use campus network, so use DSL to establish dial-up connection.After entering your account password. Prompt cannot c
[Linux] application of reverse quotation marks (') in shellThe quotation mark (') is located at the top of the Tab key of the keyboard and the left side of the key 1. Note the difference between it and the single quotation mark (') on the left side of the Enter key.
The reverse quotation mark (') is used to replace commands in Linux. Command replacement means that shell can insert the standard output of a command to any location in a command line.
For example:
Cl @ cl-
[Linux] shell, the application of anti-quotation marks ('), linuxshellThe quotation mark (') is located at the top of the Tab key of the keyboard and the left side of the key 1. Note the difference between it and the single quotation mark (') on the left side of the Enter key.
The reverse quotation mark (') is used to replace commands in Linux. Command replacement means that shell can insert the standard output of a command to any location in a command line.
For example:
Cl @ cl-
This article only introduces the method of installing Docker on Ubuntu System host, osx,windows and other systems please refer to the reader:Window Installation Click hereOSX Install click hereInstalling Docker in the Ubuntu systemCurrently, the official support for the installation of Docker in the western Ubuntu system:Ubuntu 14.04 64-bitUbuntu 13.04 64-bitUbuntu 13.10 64-bitUbuntu 12.04 64-bitHowever, it is not that the Ubuntu (live Debian) version outside of the list above is not able to ins
Optiplex Desktop Series
1, start the computer, when you see the Dell splash screen, press "F2" key to enter the BIOS;
2, press NUM LOCK (Digital lock), Caps lock (case lock), Scroll Lock (Volume screen lock) three keys to the keypad above the corresponding three lights lit;
3, on the premise that three lights are all lit, restore the BIOS settings according to the following methods:
Alt+f-factory Reset, after this key combination if you hear a cri
After reloading the system, the following problems usually occur:
#problem :
ivy@ivy-optiplex-380:/source$ sudo mount 192.168.9.18:/home/deep/dev-env/source.Mount:wrong fs type, bad option, bad superblock on 192.168.9.18:/home/deep/dev-env/source,Missing codepage or helper program, or other error(for several filesystems (e.g. NFS, CIFS) you mightNeed a/sbin/mount.There may be some important information in the system log, try DMESG | Tail such as the
jar to the list of resources.17/08/29 07:52:56 INFO Impl. yarnclientimpl:submitted Application application_1503848790903_001317/08/29 07:52:56 INFO MapReduce. Job:the URL to track the job:http://master:18088/proxy/application_1503848790903_0013/17/08/29 07:52:56 INFO MapReduce. Job:running job:job_1503848790903_001317/08/29 07:53:04 INFO MapReduce. Job:job job_1503848790903_0013 running in Uber Mode:false17/08/29 07:53:04 INFO MapReduce. Job:map 0% Reduce 0%17/08/29 07:53:09 INFO MapReduce. Job
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