Linux

1. Use rpm-qa| First grep vsftpd Command Check whether it is installed, if FTP is not installed, use yum-y install VSFTPD installation, (Ubuntu use Apt-get install vsftpd) 2. Service VSFTPD Start Start to let FTP start automatically every time you

nfs:network File System (Network filesystem) file system works in user spaceRpc:remote Procedure Call (remote procedure calls)Linux: Programs that provide RPC servicesPortmap tcp/111 udp/111 Data Interchange format between RPC:Binary/Text NFS:

Due to project needs, use of Psuade software (psuade introduction ) is required. have never been in contact with the Linux system before, so took a lot of detours, summarized hereFirst, CentOS6.4 system installationIt is recommended not to install

0. Basic commandsLinux basic Commands Collation1. Compression decompressiontar -zcvf A.tar.gz a #把a压缩成a. tar.gztar - ZXVF A.tar.gz #把a. tar.gz extract into a2. Vim Summary2.1 Vim Replacement#把word_1用word_2替换, g means replace all, c means to

For personal VPS, simple firewall settings are also necessary, the specific method is as follows:1. Check that the firewall function is turned on:#/etc/init.d/iptables Status2. Set the default policy for input, output, and forward three chains:#

Steps to get a Linux distribution installation system: First, the power-on self-test post is naturally Self-test completed according to the BIOS set boot sequence in turn to find a bootable (bootable) device, this is set to CDROM

At: For performing one-time tasks at related configuration files/etc/at.allow/etc/at.deny If a/etc/at.allow file exists, only the users included in the At.allow are allowed to use at; If the/etc/at.allow file does not exist,

Linux under the alias command detailed Description of Use Sets the alias of the command. In a Linux system, if the command is too long and does not conform to the user's habits, then we can specify an alias for it. Although you can

As described in title:Write the program to complete the following functions:1) There is an int type global variable G_flag initial value is 0;2) Start thread 1 in the mainline call, print "This is Thread1" and set G_flag to 13) Start thread 2 in the

Recently in the process of doing the project, due to the use of the system function in multi-threading, sometimes inexplicable program abnormal termination, and finally decided to replace all the system functions, but for the setting of MAC address

[Linux] basic lvm operations Two new hard disks are added for the experiment: [Root @ jp ~] # Fdisk-l Disk/dev/sda: 107.3 GB, 107374182400 bytes 255 heads, 63 sectors/track, 13054 cylinders Units = cylinders of 16065*512 = 8225280 bytes Device Boot

Process Management 1, Process Manager From the perspective of processes, operating systems are considered to be composed of several independent programs and a core (kernel) that can coordinate and control these programs. These running programs are

Install a lightweight Budgie desktop on Ubuntu 14.04 If you have followed us on Twitter, you may have seen a recently shared invitation with us to name the desktop it shows. You guessed it? The answer is Budgie, a simple desktop environment designed

How to check RPM package dependencies in Fedora, CentOS, and RHEL We all know that in a red hat-based Linux system, an RPM package must be installed with other packages that it depends on before it can work properly. For end users, the dependencies

Use shell scripts to skillfully collect statistics files During data migration, a large number of dump files are generated. You need to perform a simple and clear management of dump files. For example, there are many files in the directory, in

Implementation of cwRsyncServer Real-time Data Synchronization from windows to linux Server (1) Because the company has two windows servers, the development usually uploads some data or modifies some things on these two servers during operation,

Install unzip at in CentOS source code Install unzip at in source code: # Wget http://perso.orange.fr/sebastien.godard/sysstat-8.0.4.1.tar.gz# Tar zxvf sysstat-8.0.4.1.tar.gz# Cd sysstat-8.0.4.1#./Configure# Make# Make install Use iostat to analyze

Add a user under CentOS and grant the User root permissionTest environment: CentOS 5.51. Add a user. First, use the adduser command to add a common user. The command is as follows:# Adduser tommy// Add a user named tommy# Passwd tommy// Change the

MySQL configuration file my. cnf Optimization MySQL 5.5.13Parameter description:[Client]Character-set-server = utf8Port= 3306Socket=/Data/mysql/3306/mysql. sock[Mysqld]Character-set-server = utf8User= MysqlPort= 3306Socket=/Data/mysql/3306/mysql.

Install the DNS server on CentOS7 Preparations (assuming the name is bigcloud. local)# Change host name # vi/etc/sysconfig/network # CreatedbyanacondaNETWORKING = yesHOSTNAME = bigcloud. local # modify the file/etc/hosts with the following content: 1