Linux

During system maintenance, we hope that individual users or all users cannot log on to the system to ensure normal system operation during maintenance. In this case, users are prohibited from logging on.1. Individual users are prohibited from

Scim is installed by default in ubuntu8.10, but scim only supports English and has no Chinese input method. In this case, if you are familiar with Pinyin input, you only need to install the Pinyin input method. The command is as follows: sudo

1. Start the shutdown process and load the program 1. linux boot process a) Load BIOS hardware information and obtain the code B of the first boot device) read the boot information of the boot loader for the MBR OF THE FIRST boot device c) load the

Modify the path configuration environment variable in linux. in the red hat system, $ vi. bash_profile is between PATH and export. Add the PATH you want to add, for example, PATH = $ PATH: $ HOME/abc/bin -www.2cto.com-the colons here are used to

Problems with RHEL Nic binding technology helps to ensure high availability and provide other advantages to improve network performance. In this article, the dual Nic binding implementation in Linux is to use two NICs to virtualize one Nic, this

First install the basic development environment: sudo apt-get install ssh vim samba tftp nfsInstall the packages required for compiling openwrt:Decompress openwrt package compilation error: Build dependency: Please install the gnu c ++ Compiler (g ++

Take server 41 as an example. use SSH to access Linux. 10.117.10.41/123123 1. first, go to the database and execute the command to start the database to check whether the database can be started normally. Generally, the database cannot be started

Xmanager remote connection to linux graphical interface 1. edit/etc/inittab and change runlevel to 52. on CentOS, edit/etc/TPD/custom. conf, add the following content: [daemon] RemoteGreeter =/usr/libexec/gdmgreeter note: "The remote logon interface

Tree View process. The tree version of psps-ahp linux Command, by default, the bsd system does not exist. The ports has the function description: display the program in a tree chart. Syntax: pstree [-acGhlnpuUV] [-H ] [/] Note: The pstree command

The colrm (column remove) command is used to delete the content of a specified column and display it to the annotation output. Man colrm: You can view the instructions for using the colrm command. Standard input of www.2cto.com is used as the input:

Install in chromeDownload the flashplayerof deb, which is tar.gz for linux. You can download the official website and the skysky website. After decompression, there will be the libflashplayer. so file. The size of my version is 11.4 MB. Rename it

Steps for installing Ubuntu Server_adm 64_10.04 on a USB flash drive: 1. format the USB flash drive in Windows and prepare the corresponding iso file. 2. Use Utral * to create a USB flash drive image. Www.2cto.com 3. Copy the iso file to the root

SSH configuration of Git @ OSC first generates SSH Keys 1ssh-keygen-t rsa-C "304279767@qq.com" and then adds the path of the key file we saved: /etc/ssh/ssh_config make sure to add Keys correctly on git @ OSC: 1ssh-add-l2 #2048 a0: dd: 42: 3c: 5a:

Linux swap partition control (swap partition lvm Management)Note: linux swap partitions are managed by lvm. The following method can be used for control. 1. View swap lv [root @ testdb ~] # Vgdisplay-v Finding all volume groups Finding volume group "

Modify the ulimit optimization server. By default, the file descriptor of the linux system is 1024. in the case of heavy load, this file descriptor is far from enough. The following two methods are available: 1, use the ulimit command to modify #

Samba installation test details samba-client.i386samba-common.i386samba.i386samba-swat.i386 1, installation package # yum install samba *-y configuration directory/etc/samba man smb. conf # vim/etc/samba/smb. conf [global] workgroup = MYGROUP server

Losetup command and loop device usage 1. loop device introduction loop device is a pseudo-device, or a simulation device. It allows us to access a file like a block device. Before use, a loop device must be connected to a file. This combination

In Linux, the/var/log/wtmp file method/var/log/wtmp file function/var/log/wtmp is also a binary file, records the logon times and duration of each user. This log file permanently records the logon, logout, and system startup and shutdown events of

Nginx installation (I) create nginx users and groups # groupadd nginx # useradd-g nginx (ii) install # cp-r nginx-1.4.2/home/nginx/# chown-R nginx: nginx/home/nginx/nginx-1.4.2/$. /configure -- prefix =/home/nginx -- user = nginx -- group = nginx $

Installing cacti on gentoo uses the SQL database to save configuration information and uses cron to schedule poller. php: a network management system that uses SNMP to poll device information, uses rrdtool to store information In rra, and then