digitalocean centos

CentOS study notes -- Tomcat installation, centos -- tomcatTomcat installation It is usually easy to configure Tomcat, but it is not easy to set up a Java virtual host with multiple users and services. The biggest problem is the Tomcat execution permission. Tomcat configured in common mode runs as a root Super administrator. Obviously, this is very dangerous. Once a website is infected with Trojans, your en

Centos network configuration, centos Network Centos network configuration methods, including dns, gateway, IP address, mainly configure resolv. conf \ network \ ifcfg-eth0 network configuration files. I will perform actual operations on the network configuration of centos7 later. Centos network configuration instance 1

Environment variable configuration file in CentOS, centos environment variable CentOS environment variable configuration file system is a hierarchical system, which is similar to other multi-user application system configuration files, including global, user, and shell, in addition, different levels are sometimes similar to inheritance relationships. The followin

Centos commands for creating, deleting, moving, and copying centos Centos commands for thoroughly deleting folders and files (commands for creating, deleting, moving, and copying centos: 1. Create a folder Mkdir file name Create a folder named test under home View source1 mkdir/home/test 2. New text Create a test. sh s

Set up an FTP server on centos 7 and set up ftp on centos 7Note: This article refers to the CSDN blogger xiaocia's article 《Build an FTP server on CentOS7To verify the feasibility. However, there is one drawback: After linux is restarted, ftp cannot be accessed. I have also provided correction methods for this. For details, refer to section 7 of this Article. Software environment: + CentOS7a Ming:In my env

Set environment variables for centos and environment variables for centos Method 1: Add a variable to the/etc/profile file [effective for all users (permanent )] Use VI to add a variable to the/etc/profile file. This variable will be valid for all users in Linux and will be "permanent ". [Root @ CentOS ~] # Vi/etc/profile Add the following two lines of code to th

Transferred from: http://blog.sina.com.cn/s/blog_3feedf320101idlu.htmlCurrently using U disk installation system gradually because of its convenience and people's welcome, but the use of a U disk to install the CentOS system is prone to a problem, that is, after the installation of the USB flash drive, can not enter the system, and when the boot plug on the USB stick will be able to enter the system normally. In this case, it should be installed in th

CentOS Seven vs. CentOS 6 differentCentOS 7 vs. CentOS 6 different(1) Desktop system[CentOS6] GNOME 2.x[CentOS7] Gnome 3.x (Gnome Shell)(2) file system[CentOS6] Ext4[CentOS7] Xfs(3) kernel version[CentOS6] 2.6.x-x[CentOS7] 3.10.x-x(4) boot loader[CentOS6] GRUB Legacy (+efibootmgr)[CentOS7] GRUB2(5) Firewall[CentOS6] Iptables[CentOS7] Firewalld(6) Default database

[Email protected] ~]# rpm-aq|grep Yum|xargs rpm-e--nodeps//Find, delete Rhel 7 own Yum installation package[Email protected] ~]# RPM-IVH--nodeps langtable-0.0.31-3.el7.noarch.rpm yum-3.4.3-132.el7.centos.0.1.noarch.rpm yum-langpacks-0.4.2-4.el7.noarch.rpm yum-metadata-parser-1.1.4-10.el7.x86_64.rpm yum-plugin-aliases-1.1.31-34.el7.noarch.rpm yum-plugin-changelog-1.1.31-34.el7.noarch.rpm yum-plugin-fastestmirror-1.1.31-34.el7.noarch.rpm yum-plugin-tmpr

Before building WordPress blog system and discuz! forum system, we need to prepare the lamp environment in CentOS.Now take CentOS 6 as an example to demonstrate its process.Lamp environment =linux+apche+mysql+phpUse Yun to install apche+mysql+php in the installed CentOS 6.7 , and enter the following command at the command line:~]# yum-y install httpd mysql mysql-server php php-mysql postgresql postgresql-se

Today we have a day of CentOS. Alas, I really feel very small. Today we are engaged in centos. Reposted an article from someone else: http://my.oschina.net/idiotsky/blog/303545 This article is very good because it tells me how to view the bool variable values and settings of SElinux related to ftp. Although I was not able to solve my ftp server in the end, I don't think I should do it first. Thank you, dea

Add environment variables to centos 7 and environment variables to centos To configure environment variables in centos 7, you do not need to run the command source after each boot: The environment variables configured previously Add a path after/etc/profile, but after each startup, the source/etc/profile command can be used. You can use the following methods di

CentOS Installation Process notes: CentOS Installation Process First, write some small details that need to be paid attention to during CentOS7 installation. No images are provided for the moment. If you use a dual system, you must be careful when installing Centos: (1) grub in linux (it should be grub2) will overwrite the boot program in windows, and the boot pr

Upgrade mysql in centOs and mysql in centOs Preface: A variety of problems occurred when I upgraded the mysql version from 5.1 to 5.7 On centOS today. However, after a step-by-step investigation, the problem is solved. The following is a record of the process, I have gone through many times of uninstallation and deletion. During this record process, I recorded th

Install centos 7 and centos 7Operating System Image File: CentOS-7-x86_64-DVD-1708Step 1: Download the operating system image file at the following address: Images. Step 3: click "enable this VM ".Step 4: Start to install the system. The specific steps are as follows: Select the first line and click the Enter key twice. Note: After you click the black area, th

Enable the ftp service in centos, and enable the ftp service in centos If you need to install the ftp service to access linux through ftp, vsftpd is a better FTP server in Linux. 1. Check and install vsftp 1 // check whether vsftpd 2 rpm-qa is installed | grep vsftpd3 // if not, install vsftpd4 yum-y install vsftpd5 chkconfig vsftpd on Ii. Edit vsftp configuration items Configure to enable the virtual accou

Use CentOS to compile openjdk and use centos to compile openjdk 1. Overview 2. compiling environment VMware12 CentOS-7-x86_64-Everything-1611 3. Software preparation Bootstrap JDK: jdk-7u79-linux-x64.tar.gz OpenJDK: https://jdk7.java.net/source.html 4. Compile Dependencies 4.1 install the alsa package Yum-y install alsa-lib-devel 4.2 install cups-devel Yum-y ins

Centos Virtual Machine sharing folder operation process, centos operation process CentosShared Folder operation procedure 1. Install VMware Tools The installation script of VMwareTools uses perl, while CentOS 6 does not contain perl, so you need to install it yourself. You can download the source code and compile it yourself, or use yum to install it directly. Yu

GUI for installing centos 7 and centos 7 GUI1How to install GUI in centOS7 When you install the centOS7 server version, the GUI program of the GUI is not installed by default. You need to manually install the CentOS7 Gnome GUI package. 2Install the gnome GUI program using commands in the system Before installing the Gnome package, you need to check whether the installation source (yum) is normal, because

Cobbler remotely installs CentOS and cobbler installs centosThis article explains how to remotely install CentOS through IPMI and PXE.1. First, use Cobbler to add a system # Specify the system name and profilesudo cobbler system add -- name = test -- profile = CentOS-6.6-x86_64 # add a NIC and specify the IP address sudo cobbler system edit -- name = test -- inte