Linux

Solve the problem that YUM cannot be connected to another test machine, the use of yum installer reported error: Downloading Packages: http: // 192.168.1.1/rhel/Packages/pcre-devel-7.8-3.1.el6.x86_64.rpm: errno 14 pycurl error 7-"couldn't connect to

Netbeans fonts in ubuntu are really ugly and need to be beautified before they can be used: 1. Configure the monaco font (of course the font is also good) monaco font is a kind of font in the Apple operating system. It is very artistic and

Vim is a powerful tool for development in linux. I believe many people feel its strength. As a powerful editor, I use a lot of it, but I am not very proficient in it. Sometimes I forget to check the usage. Below is my summary of the most commonly

Debian Apache2 install mod_wsgi: Download the source file. /configure -- with-apxs =/usr/local/apache/bin/apxs -- with-python =/usr/bin/python [if. /configure prompt apxs: command not found, to install apache dev package apt-get install

Correct shutdown method in Linux 1 prepare 1.1 Observe System Usage Status 1.2 notify online users of shutdown time 2 shutdown command 2.1 sync2.2 shutdown2.3 reboot2.4 halt2.5 poweroff3 execute level 3.1 level division 3.2 Level switch 1 shutdown

Today, the original code is run on the new linux and operated in the VM mode. Several related websites are put in a file. The idea is to perform operations on the corresponding website through the directories listed on the website. After all the

Signal is a mechanism used in Linux to communicate with each other or operate on processes. Signal is a widely used topic. Here, we only discuss several of the most important signals and techniques for using signal control processes.A signal is a

Process switching: To control the execution of processes, the kernel must be able to suspend processes running on the CPU and resume the execution of a previously suspended process. This behavior is called process switching, task switching, or

Author Li Wanpeng    Team's department server has a total of 8 hard disks, each of which is 600 GB, but df-h. Check that there is only about GB. where is other seven harddisk? Use parted and lvm to solve this problem.    1. Use the parted

For example, the webserver site directory is webtest. When setting up the nginxwebserver server, the default user and user group permissions are nginx: nginx, That is, the default user in nginx. conf and php-frm.conf is Webtest: nginx Nginx.

Ip_conntrack is built into the Netfilter framework of the Linux protocol stack. Its implementation is complicated, but its logic is quite simple. Ip_conntrack tracks every stream. A stream is defined by a quintuple. The basic term of the quintuple

A) create a file: Int creat (const char * filename, mode_t mode) 1. filename: name of the file to be created 2. # include  # Include  # Include  3. mode: Creation mode: only the write attribute of the created user can be controlled, and other users

Linux is started through the following steps: (refer to version: 11.10)1. Read the MBR information and start the Boot Manager.2. Load the system kernel and start the/sbin/init process.The init process is the root process of Linux, and all system

Work needs, to carry out the web page. Check whether cutyCapt works. In Ubuntu, it is very simple. refer to the following URL:Http://cutycapt.sourceforge.net/ However, it is troublesome to use centos for your reference.  Added download source for qt4

Host environment: Gentoo Linux 11.2Kernel version: Linux Kernel 3.2.1Under normal circumstances, Linux will disable the screen by default after a period of time. The default value is 10 minutes. Here, you may think it is a screen saver or power

5. Chinese? BT5 Chinese version?   Modify the source.   Add Root @ bt :~ # Gedit/etc/apt/sources. listDeb http://mirror.edu.backtrack-cn.org/backtrack/32 revolution main microverse non-free testingDeb http://mirror.edu.backtrack-cn.org/backtrack/all

Ubuntu uses gcc of different versionsDifferent Versions of ubuntu have different gcc, such as ubuntu 10.04 default gcc version is gcc-4.4.1, ubuntu 10.10gcc default version is gcc-4.4.5.However, in actual use, we want to use other gcc compilers

A test machine is installed in the IDC. The system is ubuntu9.04 X64 and the master machine is IBM X336. The user needs a dual-line connection. Therefore, one Nic is used to configure the telecom address, and the other Nic is configured with the

Currently, nginx upstream supports four allocation methods. 1. Round Robin (default) Each request is distributed to different backend servers one by one in chronological order. If the backend servers are down, they can be removed automatically. 2.

Situation The java application interface developed in window is easy to use when an http request is called for an interface domain name, but is reported every time when it is deployed in linux: Exception: java.net. UnknownHostException: