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
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
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
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
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
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
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-
. 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
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.
. 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
, 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
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
.
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
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) 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
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