Linux

RHEL5.3 to create a local YUM source RHEL5.3 yum requires a license fee. If you want to use yum, there are only three methods: 1. payment 2. third-party sources such as epel 3. local Source 4. centos source this article describes how to use local

Linux fcntl function learning for Linux first, understand the function of fcntl function: operate on file features based on file descriptions. 1. usage: int fcntl (int fd, int cmd); int fcntl (int fd, int cmd, long arg); int fcntl (int fd, int cmd,

When you use awk to calculate the maximum value, minimum value, and average value to help colleagues solve the problem, you need to query the maximum value, minimum value, and average value of a specific value on the day from the log, and finally

Linux performance analysis tool vnstat vnStat is a network traffic monitoring software in Linux that records the daily transmission traffic logs of the specified network adapter. Instead of filtering network packets, it analyzes the file

The format obtained by using the ls command for linux permission setting is similar to-rwxr-xr-x. The meaning of the format is parsed below. This representation has a total of ten digits: 9 8 7 6 5 4 3 2 1 0-r w x r-x 9th bits to indicate the file

CentOS6.4 under the vsftpd-2.2.2-11 encountered problems 1: Modify/etc/sysconfig/selinux configuration file after the system can not start the problem because after installing vsftp upload files in win7 is always 550, I saw some online saying that I

Shell script Article 4 001 # file verification 002md5sum filename003 004 # sort by array 005 sort-n filename.txt 006 007 # sort by Reverse Order 008 sort-r file.txt 009 010 # sort by month 011 012 sort -M file.txt 013 014 # sort by month (by January,

Debian system configuration after minimal installation 1, gdm3, x-window-system-core, gnome-shell first talk about the role of these software gdm3 without installing this, you can only use startx and other commands, x-window-system-core cannot

BackTrack5-error: unknown filesystem solves the problem of dividing an idle space into a disk in the Window7 operating system yesterday. As a result, the boot interface cannot be accessed when started today, as a result, neither Windows 7 nor

Experience Summary: to customize ubuntu live cd 2, Let's explain how to customize Live CD. Preparations: (we have to prepare the following tools before customization) run Ubuntu Live CD or mksquashfs with an image file about 8 GB EXT3 partition disk

Ubuntu Delete openjdk install Sun JDK 1. download the installation package to the official website: jdk-7-linux-i586.tar.gz2. create the installation directory: sudo mkdir/usr/lib/jvm3. decompress: tar zxvf. /jdk-7-linux-i586.tar.gz-C/usr/lib/jvm4.

To set up svn in ubuntu and use tortise for remote access, first prepare the software tools. Installing the software in Ubuntu is quite convenient. A sudo apt-get install subversion OK creates the repository folder: cd/home sudo mkdir svn sudo chown-

Linux User disk space quota management in Linux to implement disk space restrictions, you need to install the quota suite. The user's disk space limit is based on the file system (partition). to limit the space in the/home directory, a separate

Shell parses the class package and copies the script to the specified package path, for example: shell code echo "############################### class parsing and copying tool # #################################### "echo "# # parse all currently.

Linux Web page-shell Summary: The boss temporarily arranges tasks and regularly archives and stores a large number of websites (in. The earliest solution in window was webshot0000.exe + batch processing. After running the timer time, it is found

Setting environment variables in etc/profile causes login failure solution 1, you cannot log on because you are accidentally setting environment variables in etc/profile. Do not set export PATH in etc/profile. This will cause the system to fail to

The free command for Linux is the most common command parameter description for monitoring linux memory usage:-m: view memory usage in MB (default: kb)-B: view memory usage in bytes-s: You can not monitor memory usage in a specified period of time --

In Linux, the df du command is as follows: the Basic Linux Command df and the du command parameters in linux are described. I. df command parameters in linux: the df command parameters in linux are used to view the status information of the Linux

Fix grub on Windows with ubuntu after windows is installed on a linux machine with unbuntu (the simplest fix for grub) before installing windows, back up the boot folder in the root file system and install the latest version of grub for dos. : Http:/

Samba Server installation and configuration Samba (SMB) is used for Linux and Windows file sharing software, and can also be used for file sharing between Linux (NFS is recommended for file sharing between Linux ). Similar to the FTP service and the