Linux file management and operation command accumulation

Most of the time we spent in Linux is operating on Linux files, so I have accumulated some common file management operation commands in Linux for ease of use at any time. The details are as follows: 1. create a command: touch example: touchskxiao.

Build the svn + ssh service on Linux

Create a version Library svnadmincreatepath and grant the svnusers user group The chown-Rroot: svnuserspathchmod-Rg + rwspath/* permission to the svnusers group, you can change the corresponding permissions */chmod-Ro-rwxpath/* as needed to delete

Quota configuration in linux

Recently, many linux enthusiasts have said they do not know how to configure quota. now I will share my experiences with you. First, check the file system df-l of the disk to check whether the system has enabled quota, 1. mount-oremount, usrquota,

Introduction to Linux ephemeral disks (hard disks)

This article attempts to introduce the basic knowledge of local disks in Linux from the hardware structure and logical structure. 1. hardware structure a disk consists of multiple disks, each of which has a corresponding head (heads). we can store

Linux and win7 dual-system time error

A while ago, we installed centos5.4 and win7 dual systems. It was found that the system time in win7 was incorrect, and the machine was not connected to the internet. during the boot every day, it would be slow for 8 hours. I don't know what's going

Ubuntu Remote Desktop Connection method

Steps for Ubuntu Remote Desktop Connection: on the PC side of the Ubuntu system: 1, first install Gnomewww.2cto. com2: install VNCServer3, and set the application -- & gt; Internet -- & gt; desktop sharing on the PC side of WINXP: install RealVNC.

Mount vmdk image files in Ubuntu 64-bit system

The 64-bit system directly mounted the vmdk file for a long time and tried various methods, such as losetup, mount, kpartx, dd does not matter whether it is used or the vmware-mount in the 64-bit version of the vmware-server officially provided, it

Centos6.2 solution to DisksdacontainsBIOSRAIDmetadata

When centos6.2 is installed today, the following error is reported: DisksdacontainsBIOSRAIDmetadata, butisnotpartofanyrecognizedBIOSRAIDsets. Ignoringdisksda... When centos 6.2 is installed today, when the hard Disk is detected, the following error

Introduction to linux running level

The standard linux operating level is 3 or 5. if it is 3, the system is in the multi-user state. If it is 5, the XWindow system is running. If it is currently 3 or 5, and you reduce the running level to 2, init will execute the K45named script.

A linux command cd every day

When you enter a new company, you need to use linux commands. Therefore, there is less than one entry per day. For supervision on their own learning and use. if there are any mistakes, please advise. The cd command is one of the most commonly used

Modify the startup sequence of grub2 in linuxdebian

When debian is installed, grub is installed as the startup management by the way. because debian is the last installed system, grub places debian in the startup preference, considering that there will be more than win7 at ordinary times, change the

Brief introduction to Linuxcached memory

To test the MBS system, weblogic only sets 99% GB of memory for the AP. However, after three stability tests, the memory usage reaches. Nmon monitoring revealed the existence of GB cached memory. the following Introduces: Linux and Windows may have

The maximum number of opened files configured in Linux

Background: After the project is launched, it is found that the Telnet module is automatically disconnected after a period of stable operation and cannot be logged on. The exception java.net. SocketException: Toomanyopenfiles is thrown in the

Common linux account management commands

1groups lists all groups to which the current user belongs. 2. change the valid user group to groupname for the current user. A user can belong to multiple groups, but there is only one valid user group. when a new file is created, the file belongs

Change the default character set of MySQL under Ubuntu11.10

In Ubuntu11.10, change the default character set of MySQL. because I installed Mysql using sudoapt-getinstallmysql-server, the mysql character set of MySQL is still latin1 by default, so it must be changed to the utf8 character set. Modify

RHEL6.1 about HeaderV3DSAsignature: NOKEY, keyID error solution

When installing vncviewer through The yum command, the following error is prompted: warning: rpmts_HdrFromFdno: HeaderV3RSA/SHA256Signature, keyIDfd431d51: NOKEYPublickeyfortigervnc-1.0.90-0.15.20110314vnc4359.el... When installing vncviewer using

RHEL6.1-configure the yum server

RHEL6.1-configure the yum server -- 1. first, copy the content of the CD to the/mnt3/server directory./mnt3/server is the new directory -- 2. create a configuration file with the following content & gt; cd/etc/yum. repos. d/& gt;

Xmanager remote connection to linux graphical interface

Xmanager remote connection to linux graphical interface 1. edit/etc/inittab and change runlevel to 52. on CentOS, edit/etc/TPD/custom. conf, add the following content: [daemon] RemoteGreeter/usr/libexec/gdmgreeter note: The remote logon interface is

Centosvi command usage

The vi editor is a standard editor for all Unix and Linux systems. it is not inferior to any of the latest text editors. here we just briefly introduce its usage and a few instructions. The vi editor is identical for any version of Unix and Linux

Echo of a linux command every day

The echoecho command of a linux command per day is used to display text or variables. the default output is the terminal screen. Echohelloworld outputs helloworld on the screen. Echo-nuser: output user on the screen without line breaks. Www.2cto.

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