Tags: share share picture start System Boot program set menu View SystemCentOS 7.0 System changes kernel boot order
Since CentOS 7 uses GRUB2 as the boot program, it differs from CentOS 6 and does not modify the/etc/grub.conf to modify the startup item, which requires the following actions:1. Look at the number of cores inside the system:
cat /boot/grub2/grub.cfg |grep menuentry
2.. Configure boot from the default kernel, the kernel name of the following command is replaced
Install vnStat on CentOS to monitor ECs traffic
In addition to the Panel provided by the service provider, we can also install vnStat to monitor the upstream and downstream traffic of your VPS or server on a daily basis. The vnStat installation method is simple, which can be divided into compilation and installation or direct installation through the source.1. Use compilation and Installation
This method is applicable to all Linux releases.
First, dow
Today, I purchased Microsoft A0 ECs instances at a price of 0.22 RMB/hour.768M memory, memory G hard drive, 5 MB dedicated bandwidth
Install the Apache2.4.9 service.Before installation, check gcc. It is speechless. It is the minimum configuration for installation. Without any software, the system occupies 1.9 GB.Without gcc, I directly installed gcc in yum.[Testuser @ localhost ~] Sudo su root[Root @ localhost ~] Yum install gcc[Root @ localhost ~] #
When sysbench is installed on ECS, an error is reported./libtool: line 841: X -- tag = CC: command not found, sysbenchlibtool
Background of important content. When sysbench is installed, make reports the following error:
./libtool: line 841: X--tag=CC: command not found../libtool: line 874: libtool: ignoring unknown tag : command not found../libtool: line 841: X--mode=link: command not found../libtool: line 1007: *** Warning: inferring the mode of op
independently of each other.This gives us and places in the code where concurrency can is applied without altering the core logic of the game, which I s inside the loop in the systems, or the core state of the game, which are in the components.This makes adding concurrency to the game relatively simple.We don ' t need object-orientationFinally, because the Component/system architecture is not object-oriented, it lends itself to other programming languages That's implement different programming
ECS Linux server is locked after the ssh Login is removed or the input and output terminals are suspended. ecsssh
When using an SSH terminal (such as Xshell) for login, If you accidentally click Ctrl + S, the terminal will be very like being locked, and neither the input nor output will respond.
This is because after the operating system terminal receives the command Ctrl + S, it will pause the terminal Input and Output refresh. In this case, you on
BackgroundI want to make a website, not so much energy, and then saw the Discuz. WAN Network bought one months of ECS Windows Server R2 server, began to install the Environment, forum!Build StationUse the Discuz forum for the first time. Have not learned the relevant language (. NET staff)! All of the forums, MySQL, and PHP are installed using the Package installation tool. It feels good to use the configuration.But to the mailbox here on the card mas
systemctl operation. The operating instructions are as follows: 1. To see if the SSHD service is started: See the above information to be sure it is started.2. If it is not started, you need to start the service:systemctl start sshd.service3. Restart the sshd service:systemctl restart sshd.service4. Set the service on self-start:systemctl enable sshd.serviceRestart service on ECS Linux CentOS 7 is no longer serviced, but via SYSTEMCTL operation
Authorized ECS resource types in RAM
Currently, the types of resources that you can authorize in RAM and how they are described are shown in the following table:
Resource description in the
Resource type
authorization policy
instance
acs:ecs: $regionid: $accountid: instance/$instanceid acs:ecs:$ RegionID: $accountid: instance/* acs:ecs:*: $accountid: instance/*
disk
acs:ecs: $regionid: $ac
The console that Putty used to connect to the server was first downloaded, and FLASHFXP was used to upload files. Here are the detailed steps to take a look.
1. Download Node.js
Download Address: Node.js
Never download with the command line, too slow.
Upload to the server when the download is complete.
2. Decompression
Enter the directory for the Node.js installation package, and then enter the command:
Tar zxf node-latest.tar.gz
3. Compile
into the unpacked folder
Enter com
Get the way one: if have the invitation code, can fill in directly, activate after can use 6 months
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On the whole, it's a good conscience! Cloud server, database, storage, network products ... Basically full coverage, get a power dealer, play a website and other ideas can be easily realized.
User evaluation: HTTP://CLICK.ALIYUN.COM/M/8361/
Introduction to the fo
Why choose v4.2.6 version, because the Ghost Blog support the highest version is v4.2.x.
I'll introduce the NVM version manager to install and manage the Node.js version, NVM (Node version Manager), as the name suggests, is Node.js version management software that can easily switch between node.js versions, project source code GitHub
NVM version Manager installs and manages the Node.js version
Download and install the NVM script
Yum install-y wgetwget-qo-https://raw.githubusercontent.com/cre
Cloud Server Swap ConfigurationOne, create a file for the swap partition:dd if=/dev/zero of=/opt/swap bs=1M count=8192Two, set the swap partition file:mkswap /opt/swapThird, enable swap partition files nowswapon /opt/swapFour, view swap partitionsswapon -sFive, set the SWAP partition to be self-enabled when booting:Vim/etc/fstab/opt/swap swap swap defaults 0 0Six, modify the swpapiness parameterWhen the value of the swappiness content is 0 o'clock, the SWAP partition is used when the physical me
Windows VNC remote connection Aliyun server configuration Ubuntu16.04
In ECS's security group, open the appropriate port: VNC service default port 5900-59001.
Open a remote connection, under terminal
Apt-get Update system software first
1. Install
Reference
The centos system is installed on the server.
Uwsgi is installed using Pip.
Nginx is installed using Yum install nginx.
Python 2.7 and MySQL 5.5 are installed using yum.
The logical relationship between them is as follows:
the web
Final class magiccolorsutiles{// Grain = is the gradient GranularityPublic static final void drawstatebar (Graphics g, int RGB, int X, int y, int WID, int HIG, int grain){Int [] rgb1 = {(RGB & 0xff0000) >>> 16, (RGB & 0x00ff00) >>> 8, RGB & 0x0000ff
I. How to correctly set centos iptables and disable PING
1. Clear existing iptables rules
Iptables-F iptables-X iptables-Z
2. iptables configuration. Here we use the default firewall rules officially provided by centos in the small three resources
Hello, could you ask me a question? I recently called a 6410 board and wanted to start it from the SD card. The card Detect of the SD card was detected, but the clock didn't get up, I don't know what the problem is. Now I only generate a 12 m master
Recently I bought a Dell inspire 1526, from RedHat to Suse, from Windows XP to Windows2003.
The popular operating system on the market is coming soon. Unexpectedly, this machine is incredibly tight, with a lot of problems.
Let's talk about
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