Linux

Grub upgrade to grub2 because most of the company's systems use the traditional GRUB (version 0.97), the later version needs to be upgraded to GRUB2, Which is 1.96 or later. let's take a look at grub2's main functions compared with the traditional

Build an HTTP Proxy Server Based on TinyProxy I. Preface I don't need to talk about why I want to play with the HTTP proxy. 2. Build the Environment * Linux laptop 2.6.32-45-generic # 100-Ubuntu SMP Wed Nov 14 10:41:11 UTC 2012 i686 GNU/Linux *

Solve sudo: no valid sudoers sources found. quitting sets sudochmod u + w/etc/sudoersvi/etc/sudoers to find this line of root ALL = (ALL) ALL, the following error occurs when username ALL = (ALL) ALL is added but sudo is returned: sudo: no valid

Normalization Date Format 01normdata. sh02 #! /Bin/sh03 04 # normdata. sh -- normalize the month to three letters on the date, and uppercase the first letter. 05 # useful functions for the 7th script valid-date. 06 07 monthnoToName () 08 {09 # Set

Install nagios on pure ubuntu and use environment 1. System ubuntu-12.04.1-desktop-amd64.iso 2. Virtual Machine VMware®Workstation 8.0.4 build-744019 3. Remote tool xshell4 2. Installation Step 1. apt-get install ssh2. create nagiios users and user

CentOS 6.3 installation and configuration of VNC for friends who are used to WIN the system, it is too uncomfortable to use Linux without a graphical operation interface. In fact, Linux also has a graphical operation interface, which is VNC. Roy

After creating a user and adding it to the Management Group, start it in recovery mode and enter command line mode. The prompt should be #1. Enter the user management command to create a user (take test as an example ): useradd test: passwd test 2.

Ubuntu 12.04 system black screen, logon interface black screen 1. hardware environment Intel®Core™I5-2400 CPU @ 3.10 GHz x 4 2. graphics card Intel integrated graphics card 3. the system version is ubuntu12.04.2 4. after the system is turned on, you

Common ubuntu terminal commands NO classification PS1 command name usage and Parameter Function annotation 1 file management # ls-a list all files in the current directory, including. hidden File Management in the header # ls-l or ll list detailed

Install and configure Minicom in Minicom In ubuntu. install and configure Minicom: sudo apt-get install minicom configuration method: first, use "sudo minicom-s" in the linux Command window to enter the configuration interface: press the up/down key

Make ubuntu support GBK (1) first install the Chinese version of ubuntu after installation echo $ LANG is UTF-8 by default 1. modify/var/lib/locales/supported. d/local file, add zh_CN.GBK GBK zh_CN.GB2312 GB2312 2 to the file. sudo dpkg-reconfigure -

For nginx webdav configuration, you can see that webdav is used to set up a git server in http mode to make it writable. In fact, the use of webdav is still very limited, which is not supported by general browsers. Special clients are required, and

DHCP Configuration: automatically obtain IP addresses for linux and windows I. Prepare for the experiment 1. Check whether dhcp is installed [root @ vm2 root] # rpm-qa | grep dhcp [root @ vm2 root] # // [root @ vm2 root] # cd/home [root @ vm2 root] #

Why does the disk space remain unchanged after a file is deleted? First, we obtain a list of files that have been deleted but are still occupied by applications: Use the root user; # lsof | grep deletedora 25575 data 33u REG 65,65 4294983680 31014933

Centos language settings set language parameters centos default language encoding is "zh_CN.UTF-8", which in the X-Window desktop environment "terminal"Window operations can correctly display Chinese characters. However, if you perform remote

Top command 1: Shell code time awk '{print $1}' access. log | sort | uniq-c | sort-nr | head-5 78129 192.168.13.166 75165 192.168.12.52 58657 192.168.12.199 54146 192.168.13.183 34310 192.168.13.181 real 0m5. 849 s user 0m5. 566 s sys 0m0. 285 s

Run the following command to view the port usage in Centos, an online thread for port Detection: lsof-I tcp: 80 list all ports netstat-ntlp view all connections can be netstat-an query port 80 online connection thread netstat-n | grep tcp | grep 80 |

Frequently Used commands in fedora linux (1) 1. Common shells in fedora and common shell operations on shell include bash, csh, tcsh, and ksh operations: exit (from one shell to another), exec (from one shell to another) 2. sleep time sleep 5

The solution to slow SSH Login is my own situation. Most of these latencies are caused by GSSAPI authentication! You can use the-v option to confirm your situation. For example, the detailed Logon Process of ssh is as follows: [root @ xuekun ~] #

Linux host name color settings, ps1 settings, but linux has a color RedHat font and background color change method: Command: PS1 = "[\ e [32; 1 m \ u @ \ h \ W] \ $ "or export PS1 =" [\ e [32; 1 m \ u @ \ h \ W] \ $ "for the differences between the