When installing GCC on CentOS, error: Found pre-existing Rpmdb problem (s), ' yum check ' output follows:

Others toss the system.At first, prepare to install the tornado, error, need to install GCC and python-develGCC installation error, as shown in the title:Google took a

CentOS Linux Server security settings

Introduction:We must understand: minimal privileges + minimal service = maximum securityTherefore, regardless of the configuration of any server, we must shut down the unused services, set the system permissions to the minimum, so as to ensure

CentOS 6.4 command line installation of VMware Tools

New CDROM mount directory mkdir/mnt/cdrom mount Optical drive mount-t auto/dev/cdrom/mnt/cdrom the command is to mount the CentOS cdrom in the/mnt/cdrom directory and access the contents. ; Use the files in the optical drive to install

Windows 7 and CentOS 7 dual Systems

2015-06-15Install Windows 7 First, post-install CentOS 7, and reboot directly into the CENTOS7 system. The startup item does not have Windows 7.Workaround: Yum Install Epel-release ntfs-3g-y Open the disk partition where Windows 7 is

CentOS iSCSI Server Build------Initiator Chapter

Server information:[[email protected] ~]# cat/etc/redhat-release CentOS release 6.6 (Final) [[email protected] ~]# uname-alinux i Nitiator 2.6.32-504.el6.x86_64 #1 SMP Wed Oct 04:27:16 UTC x86_64 x86_64 x86_64 gnu/linux[[email protected] ~ ]#

VirtualBox CentOS Installation Enhancement tool

VirtualBox?everyone habitually referred to it as? Vbox?, than? VM?small size, open source, fast. However, when using? VirtualBox??installing in a virtual machine? CentOS?after that, you cannot run the installation directly.? VirtualBox?client-side

CentOS 6.6 Use SendMail to log in to a third-party mail system to send mail

SendMail How to set up a third-party server to send mail Yum Install SendMail 2, Stop postfix Mail Service, (the system is open by default, take up 25 ports)#service postfix Stop3. Modify the configuration file to add 5 rows of set

Centos FTP server (local user)

The lamp environment is completed, but we need to upload the developer site to the Apache site Directory of the server, so that customers can access the normal! The upload and download service used here is VSFTPD Environment Introduction

Centos+bond+bridge+docker (SSH container) Fixed IP Implementation test environment (i)

Hardware: R730Switch: H3C switch s5120-28p-siSystem: CENTOS7#nmtui650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M01/72/54/wKioL1XhVhiCNaKqAACxF_FI3IY795.jpg "title=" Nmtui1.png "alt=" Wkiol1xhvhicnakqaacxf_fi3iy795.jpg

CentOS 6.4 under Percona xtrabackup installation deployment error handling

In CentOS 6.4 installation deployment Percona Xtrabackup, perform full backup script, backup unsuccessful, view log, error is as follows:11:15:51 innobackupex:connecting to MySQL server with DSN ' Dbi:mysql:;mysql_read_default_file=/etc/my.cnf;mysql_

Set up a centos firewall open port

When we use the CentOS system, the CentOS firewall sometimes needs to change the settings. The CentOS firewall is turned on by default, and the installation of the CentOS firewall open port method is as follows:To open the Iptables configuration

RHEL6.5 System Replace the CentOS system Yum source

gpg

# #引言 # #: since the Yum online update for Rhel is chargeable, it cannot be used if not registered, that is, the software cannot be installed online. In order to install the software with Yum, we can use the Yum source of CentOS, as described below.

"CentOS 7.1" time setting

View time zonesCat/etc/localtime[Email protected] ~]# Cat/etc/localtimeTzif?\??? ' P????? Z?? 6ip ~h?! Iap "^j?#) cp$gg%_?& ' I&? A? (+ (? #?~?p?) CDTCSTTZif2???? ~6C)????? \???????‘ P????????????? Z?? 6ip ~h?! Iap "^j?#) cp$gg%_?& ' I&? A? (+ (?

CentOS 7 Installation Nginx-1.9.2

"personal records, there must be a misunderstanding and understanding of the place, small white always has a growing process, I hope you have a lot of advice." " First, the preparatory work: 1. Install the necessary tools: $ yum-y Install gcc

CentOS 6.4 Configuration SSH password-free authentication

First, the environmentCentOS 6.4x64 Bitzabbix-c1:192.168.3.29zabbix-c2:192.168.3.30Second, the configuration from zabbix-c1 ssh to zabbix-c2 password-free authenticationA key pair is generated on the ZABBIX-C1, and the entire process returns.[[email 

CentOS 5.5 DHCP server configuration

One,Dhcp(Dynamic Host configuraion Protocol,Dynamic Host Allocation protocol) and1993years10standard protocol, which was formerlyBOOTP,Dhcpcan be said to beBOOTPthe enhanced version,Dhcpsimplifies the use ofIpConfiguration-ManagedTcp / ipStandard,

Installing Gitlab on CentOS

Description: Before the company because of the work needs, need to build a git-based project management platform, it is best to be closer to the management of GitHub, from the Internet to find Gitlab this open-source project, whether from the

Firewall-cmd command in CentOS 7

In CentOS 7Temporarily Open FTP Service# Firewall-cmd--add-service=ftpPermanently open FTP Service# Firewall-cmd--add-service=ftp--permanentPermanently closed# Firewall-cmd--remove-service=ftp--permanentSuccessLet the setting take effect# systemctl

Nginx Easy to manage 100,000 long connections---centos 6.5 x86-64 based on 2GB memory

http://blog.chinaunix.net/xmlrpc.php?r=blog/article&uid=190176&id=4234854A preface when managing a large number of connections, especially only a small number of active connections, Nginx has a relatively good CPU and RAM utilization, is now a multi-

Centos Virtual Machine bridging configuration, centos Virtual Machine Bridge

Centos Virtual Machine bridging configuration, centos Virtual Machine Bridge Step 2 After the Virtual Machine fedora is installed, open the menu bar of the vmvirtual machine, click Edit ------ Virtual Network Editor, select the "host Virtual Network

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