CentOS system Start-up process

This picture describes the Linux system startup process.System initialization process (Kernel level): POST--Bootsequence (BIOS)-Kernel (RAMDisk)-Rootfs (readonly)-/sbin/init User space Initiation Process:/sbin/init (/etc/inittab)Set the default

Build Pxe+dhcp+nfs+kickstart under Centos 6.*

First, the Linux automatic installation system detailed work process. Second, configure the PXE network installation instructions and sequence of steps 1), configure Server for NFS, with the installation files for the Linux system. 2), configure the

CentOS system Start-up process

CentOS system Start-up processSTART Process: POST--Bootsequence (BIOS)--Bootloader (MBR)->kernel (RAMDisk)--Rootfs (switch_root)-- /sbin/init (/etc/inittab,/etc/init/*.conf,/usr/lib/systemd/system/)--default RunLevel, system initialization, shutdown

CentOS 6.5 upgrade Kernel to 3.10.28

This article applies to CentOS 6.5, CentOS 6.6, pro-test, and estimates for other Linux distributions.1. Preparation work 1.1 Download the source packageThere are two versions of the Linux kernel: stable and development, and the Linux kernel version

CentOS system Start-up process

CentOS 6 startup process:POST--Boot Sequence (BIOS)--BootLoader (MBR)--Kernel (RAMDisk)--Rootfs Switchroot /init---/etc/inittab,/etc/init/*.conf--Set the default run level--system initialization script--shut down or start the service under the

CentOS Minimized installation system open Network card

To edit a configuration file:# Vi/etc/sysconfig/network-scripts/ifcfg-eth0Change onboot=no to YesExit Save#:wqRestart the NIC#/etc/init.d/network restartVM clone, System Mac and UUID are duplicated, resulting in not getting IPError: Device eth0 does

The CentOS prompt is "500 OOPS: cannot change

The CentOS prompt is "500 OOPS: cannot changeAfter VSFTP is installed on CentOS, test the FTP server to verify logon. The system prompts "500 OOPS: cannot change directory:/home/xxx". cannot I switch to the user's home directory? Once we see that it

Solve CentOS GLIBCXX_3.4.15 'not found

Solve CentOS GLIBCXX_3.4.15 'not found The following error message is displayed during compilation: ./Usr/lib/libstdc ++. so.6: version 'glibcxx _ 3.4.15 'not found If the 64-bit System reports the following error information: /Usr/lib64/libstdc ++.

After CentOS is restarted, the mount will disappear.

After CentOS is restarted, the mount will disappear.Environment Introduction CentOS6.6 installed on the VMProblem description If the disk space is insufficient, a new disk is added and a workspace directory is created under the root directory. Run

Centos 6.6 solves ibus Problems

Centos 6.6 solves ibus Problems This is an ibus input method problem. Set ibus in System-> Preferences-> input method in 1: centos6.6, and click input method preferences. 2: no input method is selected in pannel in the upper right corner. I

Solve inode frequent disconnection problems in CentOS

Solve inode frequent disconnection problems in CentOS Recently, I was assigned an intranet server. After installing centOS7.2, I used the Linux iNode provided by the School for authentication and login. The result will be dropped once in about two

Solution to CentOS Nic restart failure

Solution to CentOS Nic restart failureCheck whether the networking settings are correct Command: ip addrDisable Network Management in configuration Command: chkconfig NetworkManager off Enable Network Management in configuration Command:

Solution for eth0 device not found in CentOS

Solution for eth0 device not found in CentOS Problem description: The ifconfig command cannot find the eth0 device, and the/etc/sysconfig/network-scripts/contains only the ifcfg-lo file, without the ifcfg-eth0. Temporary solution 1: Run the

Possible causes for autojump failure in CentOS 7

Possible causes for autojump failure in CentOS 7 UseYum install autojumpAfter installation, you will findAutojump xxxThe command does not do anything, but if you want to use the abbreviationJ xxx, Will receive a prompt Zsh: j: command not found...

How to mount a new hard disk under centos on the aliyun Server

How to mount a new hard disk under centos on the aliyun Server1. Use fdisk-l to check whether a new hard disk is not mounted. 2. initialize and format the hard disk. 1. fdisk/dev/xvdb12. m n p 1 w3. fdisk-l check whether the partition is complete4.

Libevent-2.0.so.5 not found solution to ldd in CentOS

Libevent-2.0.so.5 not found solution to ldd in CentOS When installing memcache, you need to create a file index or link, similar to the shortcut in windows. Error while loading shared libraries: libevent-2.0.so.5: cannot open shared object file: No

Solution for ext4 failure to use a disk larger than 16 TB in centos

Solution for ext4 failure to use a disk larger than 16 TB in centosSystem Environment: Centos6.7 x86_64 updteDisk: 12*4 T raid5 + hotNote: raid5 is used for both the operating system and archiving.1. view the partition [fdisk-l][Root @ localhost

Solve the Problem of Temporary failure in name resolution when CentOS uses wget

Solve the Problem of Temporary failure in name resolution when CentOS uses wget The following error occurs when you use wget to download a file when installing Redis in CentOS: Wget http://download.redis.io/releases/redis-3.0.7.tar.gzFailed:

Solve the problem that the SVN server in CentOS fails to connect the client to the SVN Server

Solve the problem that the SVN server in CentOS fails to connect the client to the SVN Server I won't talk about installing the SVN service in centos... Svnserve -- version [view version] First, check netstat-tnlp to see if the svn service is

Solve "cocould not resolve host: centos.ustc.edu.cn; Unknown error"

Solve "cocould not resolve host: centos.ustc.edu.cn; Unknown error" When using mysql to create multiple instances in CentOS, you need to use the tree Command. It is found that no default installation is performed on centos. Therefore, if the tree

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