displaylink xr

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How to quickly deploy an OpenStack environment--devstack project

main restricted universe multiverse deb Http://cn.archive.ubuntu.com/ubuntu/trusty-updates main restricted universe Multiverse Deb/http cn.archive.ubuntu.com/ubuntu/trusty-proposed main restricted universe Multiverse Deb/http Cn.archive.ubuntu.com/ubuntu/trusty-backports Main restricted Universe multiverse After setting up update Apt-get update 6. Install git and download Devstack related version Apt-get Install git Download Devstack related Mitaka (latest version) Cd/home git clone http

Linux Directory Management commands

1. Open Folder command: CDCd/dirExample: Opening the ETC directorycd/etc/2. View current directory command: PWDExample: Current Location/tmptmp]# pwd/tmp3. View all files and folders under current path: LSExample: currently under the/etc/sysconfig/network-sprits directorynetwork-scripts]# lsIfcfg-eth0 ifdown-isdn ifup-aliases Ifup-plusb Init.ipv6-globalIfcfg-lo ifdown-post IFUP-BNEP ifup-post net.hotplugIfdown ifdown-ppp Ifup-eth ifup-ppp network-functionsIFDOWN-BNEP ifdown-routes ifup-ippp ifup

Shell basic Commands

The shell is known as the system administrator's choice for its stability, efficiency, and flexibility. The basic shell commands are described below, including directory switching, locating and viewing files, viewing user information, and more.1. Shell IntroductionThe shell is a program that provides a line-oriented, interoperable interface between the user and the operating system. The user enters a command at the command line and the shell running in the background converts the command into a

Linux shell Scripting--rendering data (v)

command displays each line in the output, pressing CTRL + C to exitCode 5-1[Email protected]:~# Cat A testthis is a testthis are a second testthis is a second test^c  Force the cat command to accept input from another non-stdin file by using the stdin redirection symbolCode 5-2[Email protected]:~# cat Text This is the first linethis are the second linethis is the third line[email protected]:~# cat   STDOUTThe StdOut file description represents the standard shell output. On the terminal interfac

Linux-grub, kernel and module relationships, CHROOT,LDD

the man directory#make make InstallUnable to install GIMP, login interface cannot be modified Kernel design style:RedHat, SUSECore: Dynamic load kernel moduleKernel:/lib/modules/"kernel version number command directory"/vmlinuz-2.6.32/lib/modules/2.6.32/[Email protected] 2.6.32-504.el6.x86_64]# du-sh/boot/vmlinuz-2.6.32-504.el6.x86_644.0M/BOOT/VMLINUZ-2.6.32-504.EL6.X86_64 (core size is 4M)[Email protected] 2.6.32-504.el6.x86_64]# du-sh/lib/modules/107m/lib/modules/(module size 107M, gre

One of the Linux command line learning notes

fifth part of the man document of the passwd command;Apropos: Display the appropriate command[Email protected] ~]# apropos FLOPPYFD (4)-Floppy disk Devicefdformat (8)-Low-level format a FL Oppy diskmbadblocks (1)-tests a floppy disk, and marks the bad blocks in the Fatmformat (1)-Add an MSDO S filesystem to a low-level formatted floppy diskWhatis: Displays a simple description of a command[Email protected] ~]# Whatis Lsls (1)-List directory Contentsls (1p)-List directory Conten TsInfo about act

Linux directory Structure configuration

service configuration file and so on; Variable: frequently changing data, such as log-in files, newsgroups that are normally accepted by users, and so on. We can take a look at the directory configuration structure under the "/" root directory by ls-l/this command:[Email protected]:/# ll/ Total thedrwxr-xr-x -Root root4096September8 One: -./drwxr-xr-x -Root root4096September8 One: -.. /drwxr-

Daily application of Git

. On-line server operationIdea: The online server creates two git directories, a, B. Where a is a git bare library, responsible for accepting PC push and updateDirectory B is the code publishing area, clone directory A, after the bare library update through git pull to get updates, to implement code updates and rollback.Git init--bare Create a bare library operation [[emailprotected]www.gits]#gitinit--bareinitializedemptygit repositoryin/web/www.kutongji.com/www.gits/[[emailprotected]www.git

[Go] In-depth understanding of the/proc directory

the/PROC/SCSI directory where information about all SCSI devices on the current system is stored, and information about the processes currently running on the system is stored in/proc/n. , where n is a running process (as you can imagine, its associated directory disappears after a process has ended).Most virtual files can be viewed using File view commands such as cat, more, or less, and some of the file information can be seen at a glance, but the information on the file is not very readable.

Grunt from entry to custom project template

directory structure-RW-r -- 1 root staff 1670 5 9 15:13 contributing. MD-RW-r -- 1 root staff 559 5 9 15:13 demojquery. jquery. JSON-RW-r -- 1 root staff 2184 5 9 15:13 gruntfile. JS-RW-r -- 1 root staff 1053 5 9 license-Mit-RW-r -- 1 root staff 543 5 9 readme. mddrwxr-XR-x 5 root staff 170 5 9 libs-RW-r -- 1 root staff 423 5 9 package. jsondrwxr-XR-x 4 root staff 136 5 9 srcdrwxr-

Solution to the error caused by p3006854_9204_linux.zip installation in Linux 5.5

. so. preload cannot be preloaded: ignored.ERROR: ld. so: object '/etc/libcwait. so' from/etc/ld. so. preload cannot be preloaded: ignored.ERROR: ld. so: object '/etc/libcwait. so' from/etc/ld. so. preload cannot be preloaded: ignored.ERROR: ld. so: object '/etc/libcwait. so' from/etc/ld. so. preload cannot be preloaded: ignored.ERROR: ld. so: object '/etc/libcwait. so' from/etc/ld. so. preload cannot be preloaded: ignored.ERROR: ld. so: object '/etc/libcwait. so' from/etc/ld. so. preload cannot

Basic introduction to Linux and file systems

, Linux also provides a simplified way of accessing the file system, which allows users to use the same commands to handle common files and physical devices.6 standard file structureUnder the root directory, list the main directories for Linux:? /ll Total dosage 104Kdrwxr-xr-x2Root root4.0K September - Ten: -BINDRWXR-xr-x3Root root4.0K September7 the: toBOOTDRWXR-xr

Web engineering deployment in a Linux environment

1-1 JDKInstallation Place the JDK installation file jdk-6u21-linux-x64.bin on a directory on the server, for example /usr/local/Open the Remote connection tool SSH or securecrtEnter the directory below[[Email protected]~]# cd/usr/local/If the installation file is not executable, first modify it to an executable filechmod755 Jdk-6u21-linux-x64.binPerform ll to view the installation file status if it is -rwxr-xr-x .To execute the installat

TheserverquitwithoutupdatingPIDfile (/[FAILED] l/mysql/

localhost. localdomain. err 140805 13:43:22 mysqld_safe Starting mysqld daemon with databases from/usr/local/mysql/var/Usr/local/mysql/bin/mysqld:File '/usr/local/mysql/data/mylog. Index' not found (Errcode: 13)140805 13:43:22 [ERROR] Aborting 140805 13:43:22 [Note]/usr/local/mysql/bin/mysqld: Shutdown complete 140805 13:42:53 mysqld_safe mysqld from pid file/usr/local/mysql/var/localhost. localdomain. pid ended [Root @ localhost mysql] # ll/usr/local/mysql/Total 80 -Rw-r -- 1 root mysql 17987

Odbc configuration for Mysql in Linux (modify blog posts on the Internet)

. To configure mysql ODBC in Linux, follow these steps: 1. install Driver Manager. In this case, unixODBC is used as Driver Manager. 2.Install the MySQL driver. In this case, ctor/ODBC is used. 3.Configure ODBC. INI Step 1:Download the installation package. You need to download two installation packages unixODBC 2.3.0 and mysql Connector/ODBC 3.51. UnixODBC source package: ftp://ftp.unixodbc.org/pub/unixODBC/unixODBC-2.3.0.tar.gz Step 2 Http://dev.mysql.com/downloads/connector

Python parsing xml module encapsulation code

(self, index, value ):Self. write_node ('/Case [% s]/' % index, 'apidata', value)Def write_case_dbsql (self, index, value ):Self. write_node ('/Case [% s]/' % index, 'dbsql', value, CDATA = True)Def write_case_apixpath (self, index, value ):Self. write_node ('/Case [% s]/' % index, 'apixpath ', value)Def save_xml (self ):Myfile = file (self. resultfile, 'w ')Self. dom. writexml (myfile, encoding = 'utf-8 ')Myfile. close ()If _ name _ = '_ main __':Xr

Python parsing xml module encapsulation code

)Def write_end_time (self, time ):Self. write_node ('/', 'endtime', time)Def write_pass_count (self, count ):Self. write_node ('/', 'passcount ', count)Def write_fail_count (self, count ):Self. write_node ('/', 'failcount', count)Def write_case (self ):Self. write_node ('/', 'case', None)Def write_case_no (self, index, value ):Self. write_node ('/Case [% s]/' % index, 'No', value)Def write_case_url (self, index, value ):Self. write_node ('/Case [% s]/' % index, 'url', value)Def write_case_dbdata

Permissions and special permissions for directories and files under Linux

I. Permissions for directories and files under LinuxChown Change the owner of a file or directory, the owning group/ETC/PASSWD configuration file holds user informationUseradd adding userschown owner: Owning group file or directoryChown-r to change all permissions for files under directories and directoriesChown-v visual display of permission changes[[emailprotected]tmp]#chownuser1:rootaa[[ EMAILNBSP;PROTECTED]NBSP;TMP]#NBSP;LSNBSP;-LDRWXR-XR--. 2user

Upload and download files to the local machine in Xshell (the folder in the dbserver that has been logged on through ssh for multiple times in linux)

Upload and download files to the local machine in Xshell (the folder in the dbserver that has been logged on through ssh for multiple times in linux) 1. list all sh FILES to be copied-bash-4.1 $ ll/mysqllog/osw /*. sh-rwxr-xr-x1mysqlmysql409May1610: 00/mysqllog... upload and download files to the local machine in Xshell (the folder in the dbserver that has been logged on through ssh for multiple times in linux) 1. list all sh FILES to be copied-bash-4

The Go Project uses Gox cross-compilation to generate cross-platform executables

/arm:hello--> plan9/386:hello--> dragonfly/386:hello--> Dragonfly/amd64:hello--> Solaris/amd64:hello The following platform files are generated: $lltotal 16768drwxr-xr-x Wenke Staff 782-19:42. Drwxr-xr-x 7 Wenke Staff 238 12 28 16:21. -rw-r--r--1 Wenke Staff Wu 16:22 hello.go-rwxr-xr-x 1 Wenke staff 381420 19:42 hello_darwin_386-r Wxr-

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