Linux

The ubuntu Installation Software prompts "unable to open the lock file/var/lib/dpkg/lock". Solve the problem by installing make with apt-get. The prompt "unable to open the lock file/var/lib/dpkg/lock" is displayed. "# apt-get install vimE: unable

Simple Linux Command Line notes: w display information about system users w [options] [username] w is used to display the names of users currently logged on to the system, as well as their terminal device numbers, logon times, running commands, and

Simple Linux Command Line Note: The whereis lookup file whereis [options] file www.2cto.com parameter file is the file to be searched for by whereis, which belongs to the original code, binary file or help file option-B only searches for binary

Some standards of ssh refer to public networks as public networks. Since I put the server on the public network and remotely enabled SSH for maintenance and management, we can see from the monitoring screen that there have never been any friends

SSH usage and summary SSH service (TCP port 22): the secure command interpreter provides a secure Shell environment for the client to remotely manage SSH based on public key encryption (asymmetric encryption) technology: encrypted data transmission;

The creation and prevention of Zombie processes in linux when a process stops its own life by calling the exit command, it is not actually destroyed, but left a dead process (Zombie) (The system calls exit to exit the process, but it is only limited

When Centos is used to release the cache, it will find that sometimes the system is idle, but all the memory is consumed. Www.2cto.com is actually an illusion that the memory is not actually consumed but used as a cache,When the system runs the

The first article on losetup and mount-o loop was launched. For linux o & M, I would like to introduce losetup and mount-o loop. Advertisement: www.2cto.com for linux O & M, the first unix/linux System Management Technical Manual (version 4 ). I am

Su:/bin/bash: Permission denied: A colleague installed Weblogic in the RedHat5.5 system and created a weblogic user in the operating system, after the software is installed, perform the following operations: www.2cto.com [root @ rateapp01 ~] #

What should I do if I want to solve the mms playback problem on qingting radio? Environment CentOS6.3 firefox18 player vlc specific setting method www.2cto.com open the browser about: config I will be careful to add in the blank space> character new>

Gdb tool migration requirements: You want to use gdb to track and debug makefile projects. The target machine does not have the gdb tool. Environment: 8.133 is installed with a linux system, that is, the server, and smb is successfully set. The gdb

In linux, you can use ulimit-a to view related messages when modifying the number of files opened by processes. For www.2cto.com 1, the maximum number of files opened by linux by default is 1024. You can view them through ulimit-n. Many system

Iptables Entry 1. iptables entry there are many ways for hackers to intrude into computers today, among which port-based intrusions are common. In particular, it is the simplest and most commonly used method to defend against hacker intrusions to

Building awstats (linux5.4)Attach a cdMount/dev/cdrom/mediaCd/media/ServerRpm-ivh php-pdo-[tab] php-mysql-[tab] php-gd-[tab] php-mbstring-[tab] Modify ftpVi/etc/vsftpd. confAdd chroot_local_user = YESService vsftpd startChkconfig vsftpd onCreate

============================Vi command============================Vi a.txt uses the vieditor to edit a.txt. If it does not exist, an empty file is created. The default mode is normal;---A (after the cursor) I (before the cursor) r (replace the

Sersync2 can synchronize a directory on a machine to multiple machines in real time, which is very suitable for a large number of small files such as web pages.1. Configure the target synchronization server# Vi/etc/rsyncd. confUid = rootGid =

Common rpm commands1. Install a package# Rpm-ivh2. Upgrade a package# Rpm-Uvh3. Remove a package# Rpm-e4. installation parameters-- Force installation even if it overwrites files belonging to other packages-- Nodeps if the installation of this RPM

SeLinux is enabled in some Linux by default. When installing the operating system, we can choose to enable or disable SeLinux. But after installing the system, how can we enable and disable SeLinux?There is a SeLinux file in/etc/sysconf. Open it

(1) Find the findcontents in the file content of all files in the current directory (case insensitive, listing the row of the file where findcontents is located) -- the number of files and directories in the current directory is relatively small. If

#! /Bin/shBackdir = "/backup/mysql_date"Dirname = "$ (date + % Y % m % d )"Dirname_y = "$ (date + % Y )"Dirname_m = "$ (date + % m )"Targz = "_ 192.168.1.6"DIR = "192.168.1.6"For dir in $ DIRDoMkdir-p $ backdir/$ dirname_y/$ dirname_m/$ dirMkdir-p/$