Linux

Common requirements:1. Disable remote login of root account;2. Modify the SSH default port 22 to 2222 to improve security;3. Authorize an ordinary user to use sudo su to switch to the root account, and no need to enter a password;4. Allow only hosts

I have configured an SVN server in Linux, but the client reports an error while browsing the log. Prompt cannot connect to the server, whether to view offline ...Google a bit, because SVNSERVE.CONF is configured with anon-access = read, which means

Samba implements simple linux and window file sharing, sambawindow Requirement: the ms SQL database needs to be backed up in different regions. It was originally intended to provide rsync for synchronization from windows to linux, but the directory

Linux awk command details, awk command detailsIntroduction awk is a powerful text analysis tool. Compared with grep search and sed editing, awk is particularly powerful in data analysis and report generation. To put it simply, awk refers to reading

Linux uses the rename command to rename files in batches. Using rename commands in linux to rename files in batches Command Format: Usage:Rename [-v] [-n] [-f] perlexpr [filenames] Parameter description: V displays the details of file rename. N.

Install Git on CentOS In CentOS, yum does not contain Git. You need to install it manually. First, install the git dependency package. Yum install curlYum install curl-develYum install zlib-develYum install openssl-develYum install perlYum install

CentOS 6 Use RPMforge to install the source (software warehouse) Steps similar to centos5.0 Installation 1. Install the yum-priorities plug-in;2. download and install the EPEL rpm package;3. download and install the rpmforge rpm package; 1. Install

Enable CentOS7 on a GUI The new CentOS 7 version is somewhat different from the previous version. taking the startup running level as an example, our previous modifications to the/etc/inittab configuration file have become history. The

Command Prompt format in Linux Generally, the command prompt format is "[user name @ Computer Name Current Directory] command prompt". Of course, you can modify it, that is, edit ~ /. Bashrc file, find the PS1 definition, in which PS1 is the

Shared Folders cannot be mounted after ubuntu is installed in VirtualBox. It has been almost a year since I installed ubuntu12 with VirtualBox4.2.12. However, the shared folder of the host cannot be mounted during this period, even if the

Basic Process Knowledge in Linux and a simple understanding of fork A process can be considered as an execution process of a program. In Linux, each process has a unique PID to identify the process. PID is a positive integer from 1 to 32768, where 1

GCC in Linux GCC is short for gnu c Compiler, but after so many years of development, GCC not only supports C language, he can also support Ada, CPP, Java, Objective C, Pascal, COBOL, and other languages. He also supports Functional Conversion into

Common gcc parameters in Linux First, gcc and g ++ are the gnu c and c ++ compilers respectively, and they generally need to be divided into four steps during compilation: ① Pre-processing: for cpp, the. I file will be generated and the

ELF format of the linux target file   currently, the most popular executable file formats on PCs are PE files in windows and ELF files in linux. They are all COFF file variants. The intermediate files whose source code is compiled but not linked

Install KaliLinux on VMwareWorkstationInstall Kali Linux on VMware Workstation VMware Workstation is a powerful desktop virtual computer software. This software allows you to run different operating systems simultaneously on a single desktop. You

Git version rollback Let's talk about the problem encountered today. We can see a config. the php configuration file is always in the modified state, but with the remote config. php is inconsistent. I don't need to submit it, but it is uncomfortable

How can I retrieve my Ubuntu login password after I forget it? It's useless for a long time. When I log on to Ubuntu again, I will remind you that the password is incorrect. Then I enter the guest session and can still go to the system for work,

Linux Mint brightness adjustment-xrandroid command Learning Today, I was asked to adjust the screen height, but I have never been concerned about this problem. Now I am trying it in Linux Mint. After a variety of methods, what will take effect is

Uninstall the original mysql yum from CentOS and install the latest mysql 1. Uninstall the original mysql Mysql databases are too popular in Linux, so the mainstream Linux system versions currently downloaded are basically integrated with mysql

Highlights about CentOS MySQL operations How to operate MySQL on CentOS: 1. The problem [root @ rekfanmysql] # service mysql restart occurs. MySQL server PID file cocould not be found! [Failed] Starting MySQL... The server quit without updating PID