Linux

  Introduction A file system is the most important part of an operating system. It defines the methods and data structures for storing files on a disk. A file system is an important means for the operating system to organize, access, and store

1. Copy the content in RHEL 6 to a folder/yum. 2. Install the following rpm packages: createrepo, yum-updatesd, yum-utils, vsftpd 3. Run the createrepo/yum command to generate the package dependency. 4. Client yum configuration file [MailRepo]

  The following uses Linux redhat Enterprise 5 as an example. 1. First check whether samba is installed. If you haven't installed it, refer to this article: The http://www.bkjia.com/ OS /201110/109229.html is installed step by step before

  1. Install the RHEL/CentOS 5.3 system and select only the packages you need! I only selected the basic package and removed some packages from the basic package. After installation, there will be about 410 packages! Please do it based on your own

  Company A new dell r710 database, 6 500 GB, k sas hard drive, made into RAID5.   Because the MBR partition size is limited to 2.1 TB, The GPT partition format is used.   1. After installing the system for the first time, convert the MBR partition

The newly installed CentOS does not have Language Support by default. Therefore, it is very difficult. Finally, we found an effective method: Su root Yum install "@ Chinese Support" Exit Set Input Methord. Last step: log out and log on to the user

  In cron linux, the server that runs the scheduled task executes the specific task according to the time specified in the configuration file.   Cron (ubuntu)     Start service cron start   Disable service cron stop   Restart service cron

  In Linux, KDevelop has powerful functions and beautiful interfaces. I personally like it very much. What is lacking in the US is that the "KDE crash handler" will pop up every time you exit, which is unpleasant. Although the official solution was

  The linux operating system has been used for a long time, and many versions have been installed (red-flag linux turbo linux fedro ubuntu many versions such as redhat), but it has not been in-depth and I have never insisted on it, so it's still a

  Man gets help information   Format: man command or configuration file   This command not only obtains help information about the command, but also information about the configuration file. This command displays the help information in the more

  Recently, the customer requested to install the application under centOS, so they had the opportunity to get in touch with centOS. By the way, they also learned about the general centOS operations and MySQL.   Currently, the entire technical

  Coincidentally, some old colleagues recently asked these questions, so let's sum up.   1. First, use help to understand su, sudo su, and sudo 2. Understand "login shell" and "interactive shell ".   "When Bash starts executes the commands in a

  1. View Disks Df-h 2. view the memory size. Free Free [-m | g] memory display by MB, GB Vmstat 3. View cpu Cat/proc/cpuinfo Only check the number of CPUs grep "model name"/proc/cpuinfo | wc-l 4. view system memory Cat/proc/meminfo 5. view the

  1. Non-root directory damage   A) identify which file system has an error. e.g./dev/sda7 has an error.       B) Use The fsck command to fix the problem: # fsck/dev/sda7       C) restart: # reboot       2. damaged root directory    

I installed Ubuntu11.10 today and found Chinese garbled characters when opening the TXT file. I checked it online. Some netizens provided the following methods: Press Alt + F2 to open the run application dialog box, enter gconf-editor, press enter

 Environment: Operating System: Ubuntu Server 10.10 Postgresql version: 8.4.51. Switch to the ROOT account, create the Softwares directory under the ROOT directory, and grant the corresponding Permissions 2. Download Postgresql 8.4.5 Wget

  1. Install the system Download the corresponding cd image from the official website and use the cd ROM for installation. No network is selected during the installation process. After the installation is complete, you can enter the console and

Symptoms:Boot display: GRUB loadingError: unknow filesystemGrub rescue>Cause:The following operations have been found to cause this problem:1. To delete ubuntu, delete/format the partition where ubuntu is located in windows.2. Adjust the disk and

  I installed Ubuntu11.04 with 32 bits. I saw 11.10 and planned to update it. I thought about it again. I have a considerable portion of the memory in idle state. Why not change it to a 64-bit system. So I uninstalled Ubuntu with 32-bit 11.04 and re-

  As we all know, the current time-sharing operating system can run multiple programs on a single CPU, making these programs seem to be running at the same time. Linux is such an operating system.   In linux, each running program instance