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In Ubuntu, I used Ubuntu 13.04 to solve the rar garbled problem. it is very easy to solve the garbled characters, just three steps: 1. install rar: sudoapt-getinstallrar2. install and transcode the file transcoding tool: sudoapt-getinstallconvmv,

Cannotopen/dev/ttyS0: Permissiondenied solves the following problem: 1. because tty belongs to dialout Group... cannot open/dev/ttyS0: Permission denied solves the following problem: 1. because tty belongs to the "dialout" group, for example, if the

Invalid solution environment after ubuntu12.04.bashrc is set: ubuntuserver12.04 after loading, it seems to be copied from another host ~ /. Bashrc file, but it is useless. The file has no color, and some ll and other commands cannot be found, but

Linux User configuration file and system configuration file linux user configuration file directory in the user directory in My ubuntu for example, my user configuration file directory is: /home/liyuanhong use the command: ls-A to view (note that

Ubuntuxrandroid Resolution $ cvt1024768 #1024 & amp; times; 76859.92Hz (CVT0.79M3) hsync: 47.82 kHz; pclk: 63.50MHzModeline1024x768 _ 60.00 & amp; Prime; 63. 501024107211761328768771... ubuntu xrandroid Resolution $ cvt 1024 768 #1024x768 59.92Hz

Install and configure Minicom in ubuntu install and configure Minicom install: sudoapt-getinstallminicom configuration method: first, use sudominicom-s in the linux command window to enter the configuration interface: Press the up/down key to select

Example of the hadoop configuration file automatically configured by shell [plain] #! /Bin/bashread-p & amp; #39; Pleaseinputthedirectoryofhadoop, ex:/usr/hadoop: & amp; #39; hadoop_dirif [-d $ hadoop_dir]; thenecho... example of the hadoop

In the LinuxShell script, the dot and source commands are used to determine whether a Linux file can run directly based on whether it has execution attributes. Just like exe in Windows. If you want to execute a file, you can first modify its

In LINUX, enable the network port that allows external access. in LINUX, use the following command to enable the network port that allows external access: /sbin/iptables-IINPUT-ptcp -- dport8000-jACCEPT # enable port 8000/etc/rc. d/init.

Linux static network configuration after Linux is started, first view the network configuration of the machine: 1. ifconfig learn about Nic information, view ethX2, sudovim/etc/network/interfaces to configure network parameters, such:

In Linux, the maximum number of handles that can be opened by each process is HowtoincreasefiledescriptorsmaxlimitonLinuxpostedonfebruary27, 2008 inhacks, howto, linuxwith7commentsTodaymyDBAreporte... how to increase file descriptors max limit on

Solution to the problem of exclusive audio channels in Ubuntu applications [Method 1] (for silent or audio exclusive) eliminate Pulseaudio and only use Alsa to execute the following command:

Debian-linux software manager-dpkg + apt1.1dpkg overview dpkg is short for Debian package. A suite management system specially developed for Debian to facilitate software installation, update, and removal. Dpkg is the foundation of the Debian

Redhat-linux package manager-rpm1. 1rpm introduction RPM Package Manager (RPM) is a widely used software package manager in Linux. RPM may be used. rpm file format package may also refer to its own package manager... redhat-linux Package Manager-rpm

In ubuntu, the/etc/environment file is modified to cause the login failure. to solve this problem, set PATH & quot;/usr/local // sbin:/usr/local/bin in the/etc/environment file: /usr/bin:/sbin:/bin:/usr/games & quot; is deleted. Result: you cannot

Ubuntu 13.04 official version start root login system Ubuntu 13.04 official version start root login system in order to enable the root account (that is, set a password) use the command: sudopasswdroot switch to the root command: suroot execute

The command for installing gnome desktop in ubuntu is sudoapt-getinstallgnome-session-fallback: before sudoapt-getinstallgnome-panel deletes the unity desktop... run the following command to install gnome desktop in ubuntu 12.04 to change the

Install the cinnamon desktop environment in ubuntu. 1. add the PPA mint PPA: sudovim/etc/apt/sources. add a line at the end of the list File: debhttp: // pai.bjtu.edu.cn/linuxmintmayamainupstreamimportsave and exit (or sudoadd... install the

After ubuntu is started, only a blank desktop solution is displayed. reinstall the following solution: sudoapt-getinstallgdmsudoapt-getinstallubuntu-topics topsudoapt-getinstallgnome-core successfully installed gnome, restarted, and a new interface

The most effective way to save the screen brightness when Ubuntu is turned on, Ubuntu cannot save the screen brightness after every restart. this is a very annoying problem. I found a very effective solution on a foreign website, it can be