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In Ubuntu, when you use the ls command to display files and folders in the directory, different colors are displayed first, as shown in. If you know the meanings of different colors, therefore, it is much easier to view the file information in the directory, So we searched for the relevant article and found an article, as shown below: # Attributecodes: character
AWK looks for in the data, and the action is a series of commands that are executed when a match is found. Curly braces ({}) do not need to always appear in the program, but they are used to group a series of instructions according to a particular pattern. pattern is the regular expression to be represented, surrounded by slashes.The most basic function of the awk language is to browse and extract information in a file or string based on the specifie
Description: This article describes how to solve the PPA '404notfound 'error when running the command 'apt-getupdate. This type of problem does not affect the system because the software source is not found. The method is to disable the software ppa. This document describes the procedure (currently only applicable to Ubuntu11.04). You must install the 'fix404' application to automatically disable the damage
Article Title: Sudo command unavailable solution under Ubuntu. Linux is a technology channel of the IT lab in China. Some basic categories, such as desktop applications, Linux system management, kernel research, embedded systems, and open-source systems, are displayed as follows when using the sudo command: Fafa211 is not in the sudoers file. But obviously,
I encountered this problem, after n long search finally found the solution Ubuntu Automatic shutdown command sudo shutdown +100 means the computer shuts down in 100 minutes. If you shut down the machine at this time is useless, shutdown and restart will become logout, you can use sudo shutdown-c to cancel the automatic shutdown
Ubuntu fixed the grub command. A problem occurred while backing up grub. cfg today, leading to the accidental deletion of grub. cfg. What's worse is that I didn't realize this yet. After restarting, I only saw the grub command line interface with black and white characters. A line of grub> waiting for me to enter the command
since no good svn tools (like TORTISESVN) have been found under Linux. Of course esvn These are also good, but is used to feel not very accustomed to. Finally, the SVN original command-line tool was selected for version control operations. some commands on the command line are more convenient to use. such as SVN checkout, SVN commit these commands basically make
How to use the terminal command line in Ubuntu Linux to post from: http://hi.baidu.com/chaodaoti03/blog/item/13022f3490594b82a61e128f.html The first step is to install a software tool called w3m, open the terminal, and enter the following command sudo apt-get install w3m w3m-img-y The second step, after installing a good w3m, in the terminal to start w3m, open a
My eclipse 3.4, downloaded from the IBM Web site to use after the decompression. The automatic completion function (ALT +/) is found to be invalid.The solution:1. (Eclipse) window-----preferences-----or enter keys directly in the preferences, which corresponds to the shortcut for Word completion (ALT + /) Remove (select the shortcut key line that needs to be changed, delete it with backspace in the binding).2. Find "Content Assist", press Alt in the b
Run a command in Ubuntu to view the memory usage of the server. Today, I received a request from PM saying that I want to check the memory on the server. There are still a few slots left empty. Baidu hasn't found them for a long time, the final result is done on the google and man manual pages. In fact, it's just a command
The following error occurs when the host system: Ubuntu10.10 cross-compiled iptables-1.4.10: eval: 1: libtool_args + =: notfoundeval: 1: compile_command + =: notfoundeval: 1: finalize_command + =: notfoundeval: 1: libtool_args + =: notfoundeval: 1 Host system: Ubuntu 10.10 The following error occurs when the iptables-1.4.10 is cross-compiled: Eval: 1: libtool_args + =: not foundEval: 1: compile_command + =: not foundEval: 1: finalize_command + =: not
Ubuntu under the ordinary user, ll command display normal, there are colors, but when the switch to root and then execute LL command prompt can not find the command. Root under the LS command to display the file name also has no color, f
label: Io ar file Div SP on C Linux r I used to use the Nautilus command under terminal to enter the folder view of the graphic interface. However, after Xilinx ise14.4 is installed, the following error occurs when running this command: Nautilus: /usr/Xilinx/software/14.4/ise_ds/ISE/lib/lin64/libstdc ++. so.6: Version 'glibcxx _ 3.4.15 'not found (required by/usr
because there are no good SVN tools (similar to TORTISESVN) that have been found under Linux. Of course esvn These are also good, but is used to think is not very accustomed to. Finally, the SVN original command-line tool was selected for the version number control operation. some commands on the command line are more convenient to use. such as SVN checkout, SVN
that has been installed or uninstalled (but the configuration file is still in, that is, remove--purge)Dpkg-l (lowercase L), dpkg-l | grep ' Someone ' or dpkg-l [one software]4. View the details of the software that has been installed or uninstalled (but not--purge when the configuration file is still in, that is, remove)Dpkg-s [Installed software]5. View a file's attribution (Fuzzy Lookup) (can also use Apt-file, need to install, Apt-get installs Apt-file)$ dpkg-/usr/share/doc/nano/faq.htmlpyt
Transferred from: http://www.2cto.com/os/201306/219381.htmlUbuntu Linux Settings IP configuration command today installed Ubuntu, but found unable to surf the internet, began to troubleshoot the problem: 1, first determine whether the network connection is correct, the cable used can work 2, check whether the network card can work properly, the method is as foll
isolated software that is no longer used by the SystemSudo apt-Get autoremoveView the address of the package on the serverApt-get-QQ -- print-Uris Install SSH | cut-D/'-F2 SystemView the kernelUname-View Ubuntu versionCAT/etc/issueView the modules loaded by the kernelLsmodView PCI devicesLspciView USB devicesLsusbView Nic statusSudo ethtool eth0View CPU InformationCAT/proc/cpuinfoDisplay current hardware informationLshw Hard DiskView Hard Disk Partit
An effective solution found on the web is to add a color definition to the. bash_profileExport ls_colors='Di=01;35:ln=01;36:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=40;31;01:su=37;41:sg=30;43:tw=30;42:ow =34;42:ST=37;44:EX=01;32:*.TAR=01;31:*.TGZ=01;31:*.ARJ=01;31:*.TAZ=01;31:*.LZH=01;31:*.LZMA=01;31:*.TLZ=01;31: *.txz=01;31:*.zip=01;31:*.z=01;31:*. Z=01;31:*.dz=01;31:*.gz=01;31:*.lz=01;31:*.xz=01;31:*.bz2=01;31:*.bz=01;31:*.tbz=01;31:*.t
The newly installed Ubuntu 14.04 LTS is always prompted for the hash Sum mismatch error when the sudo apt-get Update command is updated, and a number of ways have been found online.Some methods, sometimes useful, sometimes do not work. First of all, the common online approach, and finally said once and for all solution. Option one: replace the software download s
Recently, read the relevant information, found that Ubuntu is not very conducive to learning Linux operating system, and CentOS is more conducive to learning Linux operating system, then uninstalled.Of course, for the rookie, nature is very not assertive.Uninstall Ubuntu feel very strange, down marfix lose command, pro
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