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Add source Fedora19/20/21/rawhide use the following command to add source: # yuminstalldnf-plugins-core # dnfcoprenablemosquito/myrepo # yumlocalinstallhttp: // download1.rpmfusion. or add source Fedora 19/20/21/rawhide use the following command

In RHEL/CentOS, you can easily use the setup configuration tool to configure many key configuration items, such as the network, firewall, and service. However, after minimal installation, the tool is not installed by default. run the following

My centos version is: # cat/etc/issue: CentOSrelease6.2 (Final) 1. install the associated packageyuminstallkernel-headerskernel-develgccmake2. view the downloaded kernel code version ls/usr/src/kernels/ My centos version is: # Cat/etc/issue: CentOS

In centos, a super-convenient, but extremely tragic command combination, find + rm, believe that friends who have made mistakes can see this command in their hearts, query and delete files based on a certain condition. Example: 1. in linux, find and

Article title: answers to common questions about Linux dial-up Internet access using KPPP. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research,

Linux has many screenshot tools of different tastes, including screenshot programs dedicated to the desktop environment (such as KSnapshot in KDE, GNOME-screenshot in gnome, and Xfce Screenshooter ), or a common screenshot program (such as Shutter ).

Article title: Linux operating system entry into home computer has become a new development prospect. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel

1. install and configure dhcp [root @ localhost ~] # Yum-yinstalldhcp [root @ localhost ~] # Cd/usr/share/doc/dhcp-4.1.1/[root@localhostdhcp-4.1.1] # cp-radhcpd.conf.sampl/etc/dhcp/dhcpd. conf [roo 1. install and configure dhcp [Root @ localhost ~] #

As an O & M personnel, it is the fundamental responsibility to ensure data security. Therefore, you must be cautious when maintaining the system, but sometimes data may be deleted by mistake, how can we quickly and effectively restore data at this

How to quickly find and delete a specified type of file in centos requires the combination of two findrm functions. you only need one command: [root @ localhostalidata] # find. /-name & quot ;*.   How to quickly find and delete files of the

The title of this article: Wikipedia "changing the mind" makes Ubuntu better. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems,

After installing CentOS (or others, such as win7orubuntu) in VirtualBox, the screen resolution can only be, so that if your screen is not, it looks very inconvenient. In this case, you need to install the VBoxGuestAdditions_x.x.x.iso enhancement

Article title: open-source is not suitable for VMware. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. The

Go to http://download.fcitx-im.org/fcitx/to download the file. Note: Put/data/table and/dat after the connector is downloaded. Go to http://download.fcitx-im.org/fcitx/ to download. Note: The reason why I didn't download the latest version is that

1. in/etc/hosts. allow write: in/etc/hosts. allow write: sshd: 1.2.3.4 at/etc/hosts. deny write: sshd: ALL2. iptables can also be used: iptables-IINPUT-ptcp -- dport22-jDROPiptables-1. in/etc/hosts. allow write: In/etc/hosts. allow write: sshd: 1.2.3

Article title: use BFD to enhance the Linux firewall. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open

You need to read some chm files. this is not supported by default in Linux. after all, it is something developed by Microsoft, but many cool people have developed some tools to view the chm file, I also browsed some of them. I first tried a ChmFox

~ /. Bash_profile & amp ;~ /. When a bashrc user logs on to the Linux operating system, & quot;/etc/profile & quot;, & quot ;~ /. Bash_profile & quot; and other configuration files will be automatically executed. The execution process is as follows:

When sudo is used, the message & quot; xxxisnotinthesudoersfile is displayed. thisincidentwillbereported. XXX is your user name, that is, your user name does not have permission to use sudo. you just need to modify the/etc/sudoers file. The

Article Title: how to rapidly increase the network speed of Linux operating systems. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded