rhel 6 restart network

Disable the system restart function by pressing Ctrl-Alt-Del in RHEL/CentOS 5/6 In Linux, for security considerations, we allow anyone to press Ctrl-Alt-Del to restart the system. However, in the production environment, press Ctrl-Alt-Del to restart the system. In this arti

Shutdown 1 Runlevel1.target, Rescue.target Single-User mode 2 Runlevel2.target, Multi-user.target Equivalent to Level 3 3 Runlevel3.target, Multi-user.target Multi-User Text interface 4 Runlevel4.target, Multi-user.target Equivalent to Level 3 5 Runlevel5.target, Graphical.target Multi-User graphical interface 6

- i386 4,320+1,408 extras CentOS-5 - Extras 229+53 rpmforge Red Hat Enterprise 5 - RPMforge.net - dag 11,251 repolist: 19,075 How does I use EPEL Repo? You need to use the YUM command for searching and installing packages. For example we search for Zabbix the package using Epel repo, lets see it's available or not under Epel. # Yum--enablerepo=epel Info Zabbix Sample Out

Guide With the popularization of network technology, application and the continuous improvement of Web technology, Web server has become one of the most important network services on the Internet. The original client/server model is gradually being replaced by the browser/server model. Here I will introduce you to the most extensive Web server software Apache installation and operation. inst

Partproble cannot update partition information under RHEL 6, partproblerel In RHEL5.x, after adding disk partitions and other operations, you have been using the partproble command to re-read partition table information from the kernel, so that you do not need to restart. However, a partprobe error occurred recently when using

Partproble cannot update partition information under RHEL 6 In RHEL5.x, after adding disk partitions and other operations, you have been using the partproble command to re-read partition table information from the kernel, so that you do not need to restart. However, a partprobe error occurred recently when using RHEL

unsafe in some situations.Translate as follows:Partprobe is typically used in Rhel 5 to notify the operating system of partition table changes or changes on the disk. In Rhel 6, only if any partition on those disks is not under the disk used (for example, mounted) it triggers the OS to update the partition table of the disk. If any partition on the disk is in us

Installing Telnet on centos/rhel/scientific Linux 6 7DescriptionBefore you install and use Telnet, you need to keep the following points in mind. Using Telnet in a public network (WAN) is a very bad idea. It transmits log-in data in plaintext format. Clear text is visible to everyone. If you still need telnet, it is strongly recommended that you onl

Rhel/centos 6 does not configure network interfaces on default installation. Also, it's configured to use NetworkManager. To enable networking interface and disable NetworkManager please follow instructions below.The/etc/sysconfig/network-scripts/ifcfg-eth0 content looks as follows on default installation.Device= "Eth0

new-m tcp-p TCP--dport 22-j ACCEPT-A input-j REJECT--reject-with icmp-host-prohibited-A forward-j REJECT--reject-with icmp-host-prohibitedCOMMITSave and exit the file. Restart the Iptables service:Service Iptables RestartIn CentOS 7, run the following command to allow the Telnet service to pass through the firewall.Firewall-cmd--permanent--add-port=23/tcpFirewall-cmd--reloadThat's it. Now the Telnet service is ready to use.Create userCreate a test us

When a new SCSI device is installed in Rhel 6, a disk drift may occur, such as the original system disk is/DEV/SDA, add new device, restart the system, the letter to the last, such as/DEV/SSDA. The reason for the drift of disk character In the Linux kernel, the SCSI hard drive letter assignment is related to the drive scan to the hard disk sequence, that is, th

Recently, a formal version of RHEL 6 was downloaded, and an unattended installation using Kickstart was tested in VMware. The method and steps are as follows: Method: FTP + TFTP + DHCP + Kickstart + PXE Prepare two virtual machines, one as the test environment RHEL 6 with IP address 192.168.0.100) and the other as the

I. Overview: NFS (Network File system), which can be used for file sharing on Unix-like systems. If a system that involves windows needs to consider using the file share provided by the Samb service. It is a server program that is based on the RPC (Remote Procedure Call) protocol (port 111) and cannot be run without RPC. So: 1. The server side must start the RPC service and the NFS service to achieve file sharing; 2. The client side must also run the

graphical desktopSet the default running level to graphicalYou can modify the running level of the 6-edition system by modifying the configuration file "/etc/inittab" to the 5-levelOK. The graphical desktop has been installed and set !!!Ps: the linux system does not enter the graphical display after it is started, for the following reasons:1. The system is not installed with graphical 2. The default running level of the system is not graphical 3. Aft

RHEL 6 platform MySQL Database Server Installation Method, rhelmysql MySQL database is the most widely used database system in Linux. It can be easily integrated with other servers, such as Apache, Vsftpd, and Postfix. The following describes how to install the MySQL database server on RHEL 6. 1. Install the complete

Maybe Rhel 7 is too new to be easy for newbies to accept, so I'll be 6. The installation of X is written here for reference.1) Virtual machine settings, select the disc file, set the allocated memory size, the size of the disk settings ... 2) Enter the system installation interface and enter directly: ? 3) Select Skip Skip installation media check ?4) directly Next5) Use 中文版 during installation, direct N

-j ACCEPT note that -A input-j REJECT -- reject-with icmp-host-prohibited, otherwise it will not take effect. 6. Restart iptables. [Root @ localhost sysconfig] #/etc/rc. d/init. d/iptables restart Flushing firewall rules: [OK] Setting chains to policy ACCEPT: filter [OK] Unloading iptables modules: [OK] Applying iptables firewall rules: [OK] Loading additional ip

MySQL database is the most used database system on Linux operating system, it can be easily integrated with other servers, such as Apache, VSFTPD, Postfix and so on. The following describes the installation method for the Rhel 6 platform MySQL database server. 1, the installation of a complete MySQL database requires the following RPM package files: Data APIs for Perl-dbi-1.609-4.e16.i686.rpm:perl langu

Configure PXE network startup server in RHEL/CentOS 7 PXE Server -- pre-start execution environment -- instructs the client computer to Start, Run, or install the operating system directly from the network interface, without burning a CD/DVD or using a certain physical media, it can reduce the workload of installing the Linux release on multiple machines on your

Start Motherboard BIOS -- Grub -- kernel -- run-level results Running level 0 Shutdown 1 single user (Repair Mode) 2. No NFS Mode 3. Full mode without image Interface 4. Custom Mode 5. Full mode with image Interface 6. Restart Add password to Grub Cd/boot/grub Vi menu. lst Add a row to timeout Password Save and exit Grub-install -- no-floppy/dev/sda # Make the modified grub start content take effect Modif