CentOS

History causes the company has a lot of CentOS 6.2 system, from one day 6.2 system suddenly automatic restart, troubleshooting Half-day discovery is 6.2 kernel bug (more than 208 days may automatically restart, You can refer to https://

Download the corresponding version of the JDK, such as Jdk-6u45-linux-i586-rpm.binAdd Execute Permissions: #chmod +x jdk-6u45-linux-i586-rpm.binInstallation: #./jdk-6u45-linux-i586-rpm.binUnder the following path file:/etc/profileJava_home=/usr/java/

Type=ethernet #网卡类型Device=eth0 #网卡接口名称Onboot=yes #系统启动时是否自动加载Bootproto=static #启用地址协议--static: Static protocol--BOOTP Protocol--DHCP Protocolipaddr=192.168.1.11 #网卡IP地址netmask=255.255.255.0 #网卡网络地址gateway=192.168.1.1 #网卡网关地址dns1=10.203.104.41

In the test, files must be transferred between two virtual machines. The SCP command is first generated, and the result is as follows: -Bash: SCP: Command not found If you use the yum install SCP command for installation, the result is: No

1. Press the "E" or "ESC" key on the keyboard when starting the system to enter the following interface. 2. Select the corresponding kernel, which is generally the second option. Press "E" again to display the kernel. Select the second option and

Recently, the centos Operating System of server was installed on a virtual machine. After installation, You need to manually set up an IP address to connect to the network. After searching for how to set up an IP address on the Internet, we found

Install the centos system dependency library. You can run the following command before compiling and installing the software: Update the system first (this step can be left empty) Yum-Y update   Pre-install compiler and library files Yum -Y

An old PHP backend server was checked with free-m today and found that the memory was full.Next, press SHIFT + M, that is, sort by memory usage percentage, and find that the process ranked first occupies 0.9%. What is the occupation? Google caches

Crontab reads the/etc/crontab file and/etc/cron every minute by default. d/directory and/var/spool/cron/directory once. The format of the three tasks is consistent, only the tasks in the/var/spool/cron/directory need to be created using the

At work, I often encounter a problem where I want to use a command machine without installing it, but I don't know which package the command is in (the source code compilation is no longer within the scope of this article ), the following describes

0 Linux, as the main operating system of the server, is superior to Windows in terms of processing speed and security. Although many commands need to be noted, there are usually not many commonly used commands, and you will be familiar with it when

Open Port 80: Sudo firewall-cmd -- zone = public -- add-Port = 80/tcp -- Permanent Reload the Firewall: Sudo firewall-cmd -- reload Install nginx: Sudo rpm-uvh

1. view the current hard disk usage: [[Email protected] _ node1 ~] # DF-H File System ???? Capacity in use available % mount point /Dev/sda3 14g 2.4g 11g 19%/ Tmpfs 3.9g 0 3.9g 0%/dev/SHM /Dev/sda1 504 m 43 m 436 m 9%/boot 2. Check the new hard disk?

I saw a variety of errors in installing CentOS-7.0 in the post bar before, I will write this centos 7 installation tutorial for beginners to refer. We have two ways to install centos: boot through a CD and boot through a USB flash disk. If you need

Google ChromeIs a freeware Web browser developedGoogle Inc. Google Chrome team proudly announced the releaseGoogle Chrome 35OnMay 20,201 4. The actual version is35.0.1916.114ForLinux/Mac OS XAndWindowsOperating System. This new version bundled with

I have been studying centos for a long time and have never been able to write about it. Today, when I saw an article by a netizen, I will share with you some of the steps for installing opencv below. Centos opencv has been widely used but is

  1. decompress the gview installation package Tar zxvf restart 9.tgz 2. Configure the environment Vim. bashrc Source. bashrc 3. Modify permissions Chmod-r 770/home/zengxin/g09cd g09mkdir scratchchmod-r 777 scratch 4. Trial Run # Mkdir g09

To repeat the automated Installation Tool of MySQL, I accidentally wrote sudo Yum remove-y crontabs in the script for MySQL cleanup. In centos5.8, due to the package dependency, the yum and RPM System-level packages are deleted (tested, not in

This article is first published in the dark world. Over the past few days, I have used SSH to connect to the centos System in Ubuntu and found that the connection is slow. It is recommended that a connection take about 30 s. It is very pitfall, as

Systemd Service Management Program Systemctl is the most important tool. It integrates the functions of service and chkconfig. You can use it to enable or disable services permanently or only in the current session. Run the following command to list