Linux

A. Yum definition1. Introduction: Yum (full name Yellow dog Updater, Modified) is a in Fedora and Redhat as well as SuSE, CentOS Shell Front-end package manager. Based on RPM package management, the ability to automatically download RPM packages

About Linux view hardware and system information about commands [[Email protected] ~] # uname-a # Linux System Information command to view kernel/Os/cpu information[[Email protected] ~] # head-n 1/etc/issue # View OS version, is the number 1 not the

This chapter focuses on the use of SED commandsSed (stream editor) is a stream editor, or line editor, that is edited in the behavioral unit, and the VI editor that follows is a full-screen editor.How SED works:reads each row in the file line by row

1. What are special permissions?We know that the authority is r,w,x. In fact, in addition to these three, there are special permissions. Like what: [Email protected] ~]# ls-l/usr/bin/passwd-rwsr-xr-x 1 root root 22960 Jul

The most essential difference between the SU command and the Su-command is that Su simply switches the root identity, but the shell environment is still a normal user's shell, and Su-even the user and shell environment switch to root identity. The

NFS is the abbreviation for the network file system, which is the web filesystem. A contract for the decentralized file system, developed by Sun, was announced in 1984. The function is to enable different machines, different operating systems to

http://apps.hi.baidu.com/share/detail/37384818Download ADT linkHttp://dl.google.com/android/ADT-0.9.6.zipDownload SDK linkhttp://dl.google.com/android/android-sdk_r11-linux_x86.tgz (Can be through the wall to get a detailed file name, and then

The biggest essential difference between the su command and the su-command is that su only switches the root identity, but the Shell environment is still the Shell of ordinary users; the su-connected user and the Shell environment are switched to

1. Use yum install tigervnc-server to install vnc2. modify the configuration file[Root @ localhost ~] # Cat/etc/sysconfig/vncservers# The VNCSERVERS variable is a list of display: user pairs.## Uncomment the lines below to start a VNC server on

# Environment DescriptionClient: Mac OS XServer: CentOS 6.5Client: OpenSSH, OS X, and most Linux have built-in OpenSSH. 'ssh-V' command to view the version.# General process1. Create a key file on the client, including the public key file (~ /.

#/Sbin/iptables-I INPUT-p tcp -- dport 80-j ACCEPT#/Sbin/iptables-I INPUT-p tcp -- dport 22-j ACCEPT#/Sbin/iptables-I INPUT-p tcp -- dport 8080-j ACCEPTThen save:#/Etc/rc. d/init. d/iptables save View opened ports: #/Etc/init. d/iptables status

# Yum remove mysql Replace mysql with your package name. [Root @ bogon/] # rpm-qa | grep freeradius Freeradius-1.1.3-1.6.el5 [Root @ bogon/] # yum remove freeradius Loaded plugins: fastestmirror Setting up Remove Process Resolving Dependencies -->

YUM proxy settings Edit/etc/yum. conf and add # Proxy Proxy = http: // username: password @ proxy_ip: port/ You can also use proxy_username and proxy_password to configure the proxy username and password. After such configuration is complete,

When the file name is garbled, you cannot enter the file name through the keyboard. Therefore, you cannot directly use commands such as rm and mv to manage the file on the terminal. When the file name is garbled, you cannot enter the file name

In Linux, the basic operating unit is process. By managing the processes in the system, you can understand and schedule the real-time running status of the system. Linux provides commands for viewing, adjusting, and stopping processes. This article

I spent the whole afternoon studying how to use MySQL in Django1.6 + Python3 under Fedora 20 and record it. Recommended reading: Install Nginx + uWSGI + Django on Ubuntu Server 12.04 Django tutorial Build a Django Python MySQL Linux development

Use rEFInd in GPT to guide Windows8.1 and CentOS 1. Install Windows8.1 [install Windows8 first because it creates two hidden partitions by default] Boot the optical drive. Windows 8.1 is installed completely. The GPT Partition Table is used by

Ubuntu 14.04 Trusty Tahr has been released. If you are one of the installers, you need to do something to improve your experience. For those upgrades, this may have been done, and you don't have to do it any more, unless you didn't do this in Ubuntu

VirtualBox cannot be started in Ubuntu 14.04, and the Kernel driver not installed (rc =-1908) error occurs in VirtualBox. solution: 1. Add the current user to the vboxusers User Group Www.bkjia.com @ linux :~ $ Sudo usermod-G vboxusers-a fabniu 2.

To learn the FreeBSD kernel source code, it is difficult to start without a source code-level debugging environment, so record the configuration steps: ######################################## ## First configure VMWare for the debugging machine, and