Description
Current operating system: CentOS 4.x 64-bit
To achieve the purpose:
Upgrade CentOS 4.x to CentOS 5.x latest version online via Yum command
One, upgrade CentOS 4.x to CentOS 4.9 version
Cd/etc/yum.repos.d/# into the direc
View System Information in CentOS-CentOS command
I. View cpu
more/proc/cpuinfo|grep"modelname"
grep"modelname"/proc/cpuinfo
If you feel more comfortable to watch
grep"modelname"/proc/cpuinfo|cut-f2-d:
How about linux commands.
Ii. Check in
[root@CentOS~]#grepMemTotal/proc/meminfo
[root@CentOS~
Recording CentOS-7-x86_64-DVD-1503 and Windows 7 single hard disk dual system installation, Windows 7 installation centos
My original idea was: Win guided CentOS, but eventually it turned into CentOS guided Win. It's a coincidence.
Because I plan to use a USB flash drive to burn an image and start it directly from the
CentOS installation + configuration + remote, centos Configuration
I switched to an article that I think is more technical. ^_^
I recently made a deal with CentOS and encountered many problems. So I read some blogs and solved some problems, but none of them were comprehensive, so I want to come to an installation, configuration, and remote trial version tutorial
The CentOS of Linux Learning (i)----install CentOS 7 in a VMware virtual machine
First, VMware Introduction:
VMware is a Virtual PC software that can virtual a new hardware environment on an existing control system, which is equivalent to simulating a new PC to actually run two separate operating systems on a single machine.
The main features of VMware: two or more operating systems can be used on the same
First, VMware Introduction:
VMware is a Virtual PC software that can virtual a new hardware environment on an existing control system, which is equivalent to simulating a new PC to actually run two separate operating systems on a single machine.
Main features of VMware:
You can use more than two operating systems on the same PC without distinguishing or rebooting;
The native system can communicate with the virtual machine system network;
You can set and modify the hardware environ
Upgrading from CentOS 6 to CentOS 7
In just a few weeks after the release of Red Hat Enterprise 7, CentOS7 was also released, and included the equally exciting features as red hat. In addition to the long-awaited systemd and popular Docker, this release also makes it possible for the system to automatically update from version 6 to version 7 without installing the image file. Although the upgrade still need
1. When installing CentOS with a USB flash drive, partition partitions should note: The system (contains Win7) can only be 4 primary partitions, so you can only delete a primary partition or in the extended partition in the free partition to establish the directory.2, CentOS at the end of the installation step, the boot loader option only "installed on the USB stick" One, note: not easily installed on the M
Bend the Host Name of CentOS 7, and bend the Host Name of CentOS 7
In CentOS 6, it is easy to modify the host name.hostnameCommand to permanently modify the Host Name and directly write it into the file/etc/sysconfig/network.
However, in CentOS 7, the host name is not that simple, and it involves some bending.
In
Install CentOS 7 and centos with a USB flash drive on Windows 7
If you already have Windows 7, you have to install CentOS 7 again.1. Divide disk space
Separate the installation space for CentOS 7 from the disk. If you have multiple hard disks, you must divide them into 2 GB space (in fact, 1 GB is enough) as boot. This
-13t3jSecond, CentOS Introduction:CentOS (Community ENTerprise Operating System) is one of the Linux distributions and is compiled from Red Hat ENTerprise Linux based on source code released under open source rules. Because of the same source code, some servers that require a high degree of stability are used with CentOS instead of the commercial version of Red Hat Enterprise Linux. The difference between t
Install the CentOS Linux platform with VMware Workstation 11 virtual software to achieve basic lab requirements.
Set up a directory to store the CentOS guest system;
650) this.width=650; "title=" image "style=" border-top:0px;border-right:0px;background-image:none;border-bottom:0 px;padding-top:0px;padding-left:0px;border-left:0px;padding-right:0px; "border=" 0 "alt=" image "src=" http:// S3.5
How to connect the local Windows server to CentOS in the Virtual Machine and centos in the Virtual Machine
1. Determine the IP address of CentOS. The command is ifconfig. We can see that the LinuxIP address is 192.168.85.128.
2. the IP address of WIndows is 192.168.16.1,
3. Ensure the ping between CentOS and Windows
Install MPlayer in CentOS 6.x and CentOS 7
CentOS 6.xSmplayer exists in the repo of CentOS 6. x of RPMforge (now called RepoForge), so install yum directly.
$ Yum install smplayer -- enablerepo = rpmforge
CentOS 7The smplayer of CentOS
Install CentOS 7 and CentOS 7
Install with a USB flash drive
1. Use CentOS 7 system image to create a USB disk boot disk
1) download the CentOS 7 System Image
: Http://mirrors.aliyun.com/centos/7/isos/x86_64/
: Http://mirrors.sina.cn/c
Disable the CentOS 6 and CentOS 7 firewalls.
CentOS6.5 view the Firewall Status:
1
[Linuxidc @ localhost ~] $ Service iptable status
Display result:
1 2 3 4 5
[Linuxidc @ localhost ~] $ Service iptable status Redirecting to/bin/systemctl status iptable. service ● iptable. service Loaded: not-found (Reason: No such file or directory) Active: inactive (dead) -- indicates that the
Because it is Centos6.3 and win7 dual systems, the MBR is changed after win7 is reinstalled. The originally installed Centos is also guided in MBR, so it cannot enter Centos, therefore, use the Centos USB flash drive to enter the rescue mode. First, use df-h to find the disk number corresponding to each disk and then find the partition where the boot is located.
CentOS sets the network (modify IP address modify gateway modify DNS), and centos network modifies ip Address
CentOS IP address Modification
# Ifconfig eth0 192.168.1.80
In this way, the IP address is changed192.168.1.80(If you find that the network is no longer available, you may need to change the gateway and DNS as mentioned later), but after you restart the
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