redhat hardening

First, use the RPM command to detect whether the Telnet,telnet-server RPM package is installed [root@localhost Root] #rpm-qa telnettelnet-0.17-25[root@localhost Root] #rpm-qa telnet-server Two. Install Telnet-server [root@localhost Root] #mount/mnt/cdrom[root@localhost Root] #cd/mnt/cdrom//redhat/rpms[root@localhost Root] #rpm-IVH telnet-server-0.17-25.i386.rpm Three. Modify the contents of the Telnet service configuration file[root@localhost Root] #

Linux on the common installation and upgrade tools are Yum and apt, where yum can better solve the problem of RPM dependencies, recommend the use of Yum for example, to install the Lynx program on the server traditional installation method, to the Linux installation CD to find the Lynx software package rpm upload it to the suit Service side, and run RPM-IVH or [Url]http://www.haoxm.net/tools/yum_foras4.tar.gz[/url] download and extract the Yum package and upgrade file Rpm-ivh *.rpm 2. Copy the e

Redhat 6.2 Installation Configuration ceph (former) 1. Install Ceph-deploy Vim/etc/yum.repos.d/ceph.repo [Ceph] Name=ceph Packages for $basearch Baseurl=http://ceph.com/rpm-giant/el6/x86_64 Enabled=1 Gpgcheck=1 Type=rpm-md Gpgkey=https://ceph.com/git/?p=ceph.git;a=blob_plain;f=keys/release.asc [Ceph-noarch] Name=ceph Noarch Packages Baseurl=http://ceph.com/rpm-giant/el6/noarch Enabled=1 Gpgcheck=1 Type=rpm-md Gpgkey=https://ceph.com/git/?p=ceph.gi

Whether it is the Enterprise room or IDC data center, because of stability, security and other aspects of the use of Linux operating system, and Microsoft's products SCOM2012, using the relevant MP package, you can simply realize its monitoring. Group of "knife" post, the problem is that at the time of installation there is a configuration problem can not complete the monitoring From the error point of view, is the connection problem, recommend several methods, the fault is still, so they bu

Google has looked at countless data, including hardware manufacturers, third-party open source support, and so on. But this information seems to be a lot, but in fact it meets my needs can say very little, there are mainly the following questions: 1. The existing article describing the wireless network card support scheme under Linux is mostly about the way of using NDIS wrapper. This package only supports more than 2.6 cores and is not supported for kernel version 2.4.20. And most of the mach

Tags: redhat centos Apache 403 error Forbidden you don't have permission to access/on this serverRedhat CentOS Apache 403 errorCENTOS7 apache2.2.34 Source Package installed successfully, confirm process started (Ps-le | grep httpd), the firewall is closed but the access times are wrong:Forbidden you don't have permission to access/on the This serverThe reason for this is: in the installation directory/conf/httpd.conf configuration fileUser DeamonGroup

Client Installation Nrpe plugin:Ubuntu:Useradd-s/sbin/nologin-m nagiosapt-get Install Nagios-nrpe-server nagios-pluginsEdit Nrpe configuration fileVi/etc/nagios/nrpe.cfgallowed_hosts=127.0.0.1,10.0.0.2?? (default is allowed_hosts=127.0.0.1) dont_blame_nrpe=1: WqStart NrpeService nagios-nrpe-server start??Redhat:?Rpm-i perl-crypt-des perl-net-snmp fping perl-digest-sha1 perl-digest-hmacperl-socket6? (Need to download, some local yum there) rpm-i nagios

Tags: linux centos installation FlashInstall Flash in the Linux centos redhat firefox Vivaldi MaxthonFirst, Firefox1. Use the Firefox browser (note here) https://get.adobe.com/cn/flashplayer/2. Select the RPM format from the dropdown menu and select Download Now(file name: flash-player-npapi-28.0.0.161-release.x86_64.rpm)3, under the root user, with Rpm-ivh just download the file name can be installed4. Restart Firefox browserSecond, Vivaldi1, with Vi

the SSL library.--with_zlib//Specifies the type of ZLIB for compression functions.--with_storage_storage_engine//Specifies the storage engine supported by the compilation, and the Myisam,merge,memory,csv storage engine is supported by default.--enabled_local_infile//Specifies whether the Load data INFILE feature is allowed.--with_embedded_server//Specifies whether to compile Libmysqld embedded libraries--install_layout//Specifies the type of layout to install.3. Installation InformationOperatin

The struggle between linux and Microsoft has continued. Previously, Microsoft declared that linux had violated Microsoft's 268 software patents, and RedHat had given a clear counterattack. Microsoft even joined hands with Novell to suppress RedHat. This is obviously Microsoft's approach. by cooperating with the second SUSE in the linux Industry to combat RedHat,

RedHat is used in North America, SUSE is used in Europe, and there are many mandrake desktops. debian is the most advanced technology linux, and debian is the most used by developers, followed by redhat, from the global market share of linux in various application fields, redhat is undoubtedly the largest, and many well-known release versions are not listed. For

Recently, RedHat announced its cooperation with the CentOS open-source project. The CentOS team will be compiled by RedHat. So far, the RedHat open-source product line covers the enterprise-level Linux release version RHEL, the open-source Fedora Desktop Linux, and the open-source CentOS enterprise-level Linux release. The CentOS open-source project is re-compil

Title: CEO of RedHat: Linux will dominate cloud computing. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. In a recent interview with media, Red Hat's new chief executive, jimwhitehust, said that the company's future goals should be put on the cloud. The leader of DeltaAirlines, the former CEO of redhatat.com from

The yum Network Resources of RedHatLinux are not as good as CentOS. Therefore, you need to uninstall the yum and download and install centOS 5 from the yum of CentOS. You can also refer to install centOS 6 1. to download centos yum, you 'd better open http://centos.ustc.edu.cn/centos/5/ OS/I #/centos/in your browser before using centos 5. The yum Network Resources of RedHat Linux are not as good as CentOS. Therefore, You Need To uninstall yum and down

Recently, RedHat announced at the Boston Summit and 2012JBOSS World Conference that it will open multiple hybrid cloud solutions in the next few months. It can be seen that RedHat is determined to compete with its competitors in the enterprise cloud computing market through Hybrid cloud. Paul Cormier, president of RedHat products and technologies, said, "We firml

Red Hat products include RedHat Linux (such as redhat8, 9) and Red Hat Enterprise Linux for enterprises. Centos is short for community enterprise operating system. Many of us call it a community enterprise operating system. No matter how you call it, it is a release version of Linux. Most software packages that constitute RHEL are released based on the GPL protocol, which we often call the open-source software. Because of this, Red Hat also follows th

Note: Que1: Generally, When configuring kernel parameters (gedit/etc/sysctl. conf), we only need to modify kernel. shmmax. 1 is half of the physical memory: Physical memory grep MemTotal/proc/meminfo The Unit is byte. (B) 3 It is recommended that the RedHat should not exceed 4 GB 4. The shmmax Kernel Parameter defines the maximum value of a single shared memory segment. If this parameter is set to a smaller value than the Oracle SGA setting, SGA will

Because the redhat yum online update is charged, it cannot be used if it is not registered. to use it, you need to uninstall the redhat yum, restart the installation, and configure other sources, the detailed process is as follows: 1. delete the original yumrpm-aq | grepyum | xargsrpm-e -- nodeps2. download the yum installation file wgethttp: // mirrors.16 BecauseRedhatYum online update is charged. it canno

In redhat, ssh, telnet, and ftp services, the Linux command line permanently modifies the IP address, Gateway, and DNS. 1. modify the IP address www.2cto.com. First, check the number and name of your host Nic. the related information is under/etc/sysconfig/network-scripts. You can see that ssh, telnet, and ftp services under... redhat are configured with Linux command lines to permanently modify IP addresse

KVM, short for Kernel-basedVirtualMachine, is a Kernel-based virtual machine. It was an Israeli company named Qumranet acquired by RedHat in September. It started with a virtualization technology. KVM has not been in the virtualization field for a long time. How will it develop in the future. In this issue, we interviewed two members of the OVA open virtualization alliance, Red Hat and IBM, to hear their opinions on KVM. KVM, short for Kernel-based Vi