centos administration

Linux-network connection-(VMware and CentOS), linux-centos Install CentOS in the vmwarevm to establish a network connection in two steps: intranet connection and internet connection. Prerequisites: After you install VMware correctly, the network adapter adds two new NICs: (you can view them in Device Manager> network adapter) Step 1: intranet connection started

Install sshpass in CentOS 6 and sshpass in centos As for Ubuntu, the default yum install sshpass cannot install sshpass. The following steps are required: Cd/etc/yum. repos. d/wget http://download.opensuse.org/repositories/home:Strahlex/CentOS_CentOS-6/home:Strahlex.repoyum install sshpass Centos 63 installation methods It's just a collection of softw

Shared File Mounting and Centos mounting among linux centos servers File Sharing and mounting between linux Centos (6.6) servers Purpose: Because Server Load balancer is configured on the server, file uploading on multiple servers must be synchronized. The purpose is to set Server 1 as the master file server. Server 1: 192.168.1.100 Server 2: 192.168.1.20 The win

Install MySQL in CentOS 7 and mysql in centos Since MySQL was acquired by Oracle, the default yum database of CentOS was changed from MySQL to MariaDB. To install MySQL, we need to add the official MySQL Repo to the CentOS repo. Access-> MySQL official repo list Found link: http://repo.mysql.com/mysql-communi

CentOS-6.3 real machine installation tutorial, centos-6.3 real machine tutorial Installation tutorial for CentOS-6.3 Step 1: Prepare 1. Download CentOS-6.3-i386-bin-DVD1.iso 2. Download and install UltraISO 3. Prepare a 4G or above USB flash drive (the USB flash drive will be formatted. Please save important data

First, download the CentOS source code1.1 Viewing the CentOS versionCat/etc/issue1.2 Viewing the Linux kernel versionUname-r1.3 DownloadsFile name: kernel-2.6.32-220.el6.src.rpm: http://vault.centos.org/6.2/os/Source/SPackages/Official website: http://vault.centos.org/1.4 Obtaining source code from KERNEL-2.6.32-220.EL6.SRC.RPM1. Rpm-i kernel-2.6.32-220.el6.src.rpm2. Next generation in/root/rpmbuild/sources

I originally installed CentOS when the CD version, but also to be stuck in this step, and then I in the "virtual machine-and cancel the installation of Vmare tool" click "Cancel Installation Vmare tool", then he can go on, the normal installation, But now that I'm installing the mini version of CentOS, I found that the option to install Vmare tool on the "virtual machine," which is not the Vmare tool, is no

Tags: Ar OS SP strong Div on art BS line Centos6.0 was installed on the virtual machine a while ago, and nginx + PHP + MySQL was configured, but the local machine could not be accessed. I have never been involved. The details are as follows: 1. The local machine can ping the Virtual Machine 2. the VM can also ping the host. 3. virtual machines can access their own web 4. The local machine cannot access its Web It was later discovered that the firewall blocked port 80. Check whether port 80 of th

Install the CentOS 6.5 32-bit (centos-6.5-i386) +postfix+dovecot+openwebmail passwd authenticated messaging system. Install server partition:/boot partition at least 200M,SWAP partition physical memory 1-2 times, allocate/home/var directory to another 1 hard disk, allocate the remaining capacity of boot hard disk to/partition Select the mode of the server platform, select the editing environmen

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To achieve this, you must first install MySQL workbench in centos. For details, refer to the previous article.Article. After installing workbench in centos, you can start exporting/importing data. Step 1: export the database from win Open MySQL workbench in win, and choose Database Import and Export Management in server administration on the right. Click

Systemctl User Guide: Comparison between CentOS 7.x systemd and CentOS 6.x daemon Starting from CentOS 7.x, CentOS began to use the systemd service to replace daemon. The commands related to the management system startup and management system services were all replaced by the systemctl command.1. Comparison between ori

CentOS 7 virtual machine cannot be started, centos Virtual Machine If the VM is shut down abnormally, the following problem occurs: click "cancel ". Solution: Open Resource Manager and enter the path (H: \ VMware \ Virtual Machines Documents \ CentOS) in the pop-up window. Find CentOS here. vmx. lck folder, and the

CentOS 6.x startup process, CentOS 6.x ProcessCentOS 6.x Startup Process /Boot Partition Boot partitions can be identified by default. Therefore, boot partitions can be identified when the system cannot load hard disks! Initramfs memory File System In CentOS 6. x, The initramfs memory file system replaces the initrd RAM Disk in

Vbox troubleshooting-installation in centos, vbox-centos Because Oracle provides free Virtual Machine Software, Vbox has advantages over KVM, XEN, and Vbox: 1. When setting up the Oracle RAC system, it is very controllable (shared disk and Network Interface). Just a few clicks and you will be OK; 2. I have been using this software for more than three years; 3. supported technical documents are continuously

ArticleDirectory Security Settings Configure OpenSSH server Update and install new software packages After installing the system according to "minimum Virtual Machine installation centos 6.2", we also need to perform some initialization settings. Security Settings Because the root user has full operation permissions on the system, in order to avoid some mistakes, we recommend that you log on to the system as a general user. I

Upgrade CentOS 6.5 to CentOS 7. RedHat provides a redhat-upgrade-tool upgrade tool;[1] Configuring software sources # Vim/etc/yum. repos. d/upgrade. repo[Upgrade]Name = upgradeBase url = http://dev.CentOS.org/centos/6/upg/x86_64/Enable = 1Gpgcheck = 0 [2] installing software toolsYum-y install preupgrade-assistant-contents redhat-upgrade-tool preupgrade-assistant

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