Linux

Reference: http://www.runoob.com/linux/linux-command-manual.htmlOne, the awk command: Each row is processed sequentially, and then the output(1) awk [option parameter] ' script ' Var=value file (s)$ Awk-f ' [\ t] ' {print $4} ' query.log prints the 4

Docker requires Docker to be installed on the 64-bit version of Ubuntu and to ensure that the minimum version of the Ubuntu kernel is no less than 3.10.View system-related informationYou can use commands Uname-a, uname-r, lsb_release-a to view:$

---restore content starts---First step: Install the jdk1.10 version Go to Web http://oracle.com/technetwork/java/javase/downloads/index.html download I chose the way RPM was installed, so I downloaded the RPM package: Remember that

Add a self-starting command in a/etc/rc.local file (one of the methods)1. The case, the blogger himself sent before the blog "Nginx + flask + uwsgi + CentOS + Python3 Build Web project", the statement of Step 6 to add to the/etc/rc.local file--------

In Linux, you can use the Ifconfig command to query the IP, as shown in:At this point you will notice that command not found is installed, stating that the CentOS installation is a simple version, some of which are not named and need to be installed

echo Print out contentWrite to/zmg/xwj.txt "I'm learning Linux 51cto"1. Edit with VI Editor2. Use echo redirection ' > ' for redirectionEcho can be followed by a single quotation mark, double quotation marks, or do not add' > ' will overwrite the

Linux system failureNetwork problemsLinux System not respondingLinux system does not bootThe thinking of Linux system fault handling1. Pay attention to the error message, the general situation of this hint basically locate the problem2. Check the

Virtual Terminal:CTRL +alt +f (1-6)View current terminal TTY 显示当前使用的shell echo $SHELL 显示当前所有shell cat/etc/shells 输入命令后系统做了哪些 请shell程序找到键入命令所对应得可执行程序或代码并其分析后提交给内核分配资源将其运行起来 在shell中可执行命令有两类 内建命令：由shell自带，而且通过某命令形式提供

Experimental environment: RHEL6.5 version of a set.---------------------------------procedure----------------------------------------First, install the BIND packageFirst we will install the bind package. Usually we mount the CD-ROM to the MNT

What is an environment variable? In short, it is to specify a directory, when running the software, the relevant program will follow the directory to find relevant files.Under the Linux system, if you download and install the application, it is

Use of SCRT1, solve garbled problem2, the execution of the command file can be saved in the form of a log3. Adjust your favorite format4. Global options and Session optionsGlobal options apply to all connection Windows, and session options are only

Linux generally has two kinds of packages, one is called source package, the other is called binary package.The source package is a non-compiled package that can be run on any platform and customizable after compilation. Generally ends with. SR

1) Inode OverviewThe first part of the index node is the Inode, the second part is the blockThe inode is primarily used to store file attribute information (that is, the result of Ls-l) contains property information including the file's size

Htons is to convert integer variables from host byte order to network byte order, that is, integers are stored in the address space as high-bit bytes stored in memory at the low address.Htonl is the conversion of native byte order to network byte

1. Edit the configuration file for the NIC Vi/etc/sysconfig/network-scripts/ifcfg-ens33 change the name and device entries inside to Eth0,onboot to Yes.2. Rename the NIC configuration file Ifcfg-ens33 to

Landing:Login as root with default portSSH [email protected]Delete: Delete directory:rm-rf/root/balabala/-R down recursion, no matter how many levels of directory, delete-F forcibly removed without any hintTo delete a

Tab Completion command two times tab lists all commands that begin with a character prefixCTRL A moves the cursor to the beginning of the command lineCTRL E moves the cursor to the end of the command lineCTRL C forces the current command to

1. Ensure that a server can operate normally2. The trainer knows some basic commands3. Here I use the LNMP integration environment as an exampleHttps://lnmp.org/install.html4. Installation about 30 minutes5. After the installation, visit your public

The who command displays information about all users currently on the local system. Displays the following: login name , TTY, logon date and time. Enter WhoAmI to display your login name, TTY, date and time of your login. If the user is logged on

I wrote half yesterday, and rested late, and made up today.First, file nameWhen I see the name of the file, I feel the old mo nonsense again ... This pensive really not, let old Mo come slowly.Linux filenames can be up to 255 characters long (not