CentOS

Originally Yum is normal:Yum Install gitThis can be done, but has been an error, it is probably meant to try to connect a few URLs, the connection failed, so you want to manually download the installation package method,So first:Yum install

1. Installing a third-party yum Source　　wget -c http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm　　rpm -ivh epel-release-6-8.noarch.rpm2. The server installs Yum install Salt-master-y3. The client installs the Yum install

Solve the CentOS vsftp 553 cocould not create file Error Symptom: you can log on to ftp from a remote server, view ftp files in various paths, but cannot upload files. The upload prompt is 553 cocould not create file. Check the various folder

Solve CentOS 7 and report ifconfig: command not found I installed the minimal version. Generally, the minimal version of CentOS does not have a network tool installed. This command does not exist in the sbin directory. At this time, the system will

Solve CentOS -- "/proc/sys/net/ipv4/ip_forward" E667: Fsyn Vi/etc/sysctl. confSetNet. ipv4.ip _ forward = 0ChangeNet. ipv4.ip _ forward = 1If this option is not available in this file, add it.Then run the command: # sysctl-pMake it take effect.

SFTP is short for Secure File Transfer Protocol and is a Secure File Transfer Protocol. It provides a secure encryption method for transferring files. Sftp has almost the same syntax and functions as ftp. SFTP is part of SSH and is a secure method

Tengine was introduced in previous articles. Previously, it only used the content configured by the O & M personnel, but did not install and configure it on its own. Tengine was installed on a trial basis. Record the following information for

Perform the following steps to synchronize time in the CentOS system:The newly installed CentOS system server may be set incorrectly. You need to adjust the time zone and time.The following is how the CentOS system uses NTP to synchronize data from

Startup and login security1. BIOS securitySet the BIOS password and modify the boot sequence to disable system startup from a floppy disk.2. User passwordThe user password is a basic starting point for linux security. The user password used by many

1. Install Apache2One command:Yum-y install httpdAfter you press enter, yum will prompt the currently installed httpd version and update it automatically. If not, yum will automatically install it. Note that in yumEnter "Y" during installation to

Git does not need to be introduced much. Developers in Linux may find that Git installed by default does not implement automatic completion of commands, but it still feels inefficient and uncomfortable, so we need to adjust it. Go to the topic below.

1. Back up gitlab1. Backup commandGitlab-rake gitlab: backup: create2. Modify the backup directory in the configuration fileVim/etc/gitlab. rbGitlab_rails ['backup _ path'] = '/mnt/backups'3. Add scheduled tasks for daily automatic backup0 2 ***/opt/

Install lrzsz under centos, and then input the corresponding command to upload and download files using xshell.   Installation Command: yum install lrzsz   The following figure shows the effect after installation. Use the lz command as an example

For example, when we install a one-click package or a WEB panel, we may even encounter "wget: unable to resolve host address "error prompt, this is often because the server line and the IP address we need to connect to the problem, sometimes we

The steps for installing and configuring ss-manyuser are as follows.1. Install required componentsYum install wget git tar gcc-c ++ openssl-devel pcre-devel python-devel libevent automake autoconf libtool make-yII. Upgrade PythonRefer to CentOS to

For some reason, a method in the project is lost, and many files reference this method. You need to replace all of them with a new method. This method is referenced many times and manual modification is too troublesome. therefore, one-time

1. shutdown command (root permission required)Usage: shutdown [OPTION]... TIME [MESSAGE]OPTION: OPTIONTIME: TIMEMESSAGE: warning MESSAGE sent to all usersOptions:-R: restart the system after the system service is stopped.-H: shut down the system

I. InstallationCd path-to-your-projectCurl-sS https://getcomposer.org/installer | php# Composer successfully installed to:/tmp/composer. phar# Use it: php composer. pharIf this prompt is displayed, it is because php is not in the $ PATH environment

I. Source code installation1. Download the source code (visit the official website to view the latest version)Wget http://nodejs.org/dist/v0.10.30/node-v0.10.30.tar.gz2. Decompress the source codeTar xzvf node-v * & cd node-v *3. Install necessary

Iptables is one of the commonly used firewall software in Linux. After LNMP is installed. After you restart the machine, you will find that the Web site cannot be opened, which is largely caused by iptable. Below are some common settings for