Upgrade OpenSSH version 5.0 to version 6.0 (For SUSE RedHat Linux)
In the past few days, due to security vulnerability scanning, a large number of OpenSSH vulnerabilities are scanned, and security reinforcement is required, mainly because of the upgraded version. In the past, we did not care about patching, but this ti
Installing JDK Java-version under Linux is not the version you needSetting environment variables, which is the most importantAdd under the Etc/profile fileExport java_home=/usr/java/jdk1.8.0_131Export path= $JAVA _home/bin: $PATHWarm hint, modify the configuration file before the Bak one, in the case you are not sure, so as not to change the wrong, affecting other functions, and can not recover.If you do no
The first method :# lsb_release-aLSB Version:: core-4.0-ia32:core-4.0-noarch:graphics-4.0-ia32:graphics-4.0-noarch:printing-4.0-ia32: Printing-4.0-noarchDistributor Id:centosDescription:centos Release 5.7 (Final)release:5.7Codename:finalThis command applies to all versions of Linux that comply with the LSB specification, including Redhat, SuSE, Debian, Ubuntu, CentOS, and other distributions.The next comman
RedHat today announced the forthcoming version of RedHatOpenStack. OpenStack is a popular open-source IaaS solution. This version of RedHat supports the creation and management of private, public, and hybrid clouds. This version makes Re
It's easy to log on to a running Redhat Linux server to see its version of the system, and here's a few of my own common methods.Method One:View Redhat-release Files[Root@server ~]# Cat/etc/redhat-releaseRed Hat Enterprise Linux as Release 4 (Nahant Update 8)Method Two:View issue Files[Root@server ~]# Cat/etc/issueRed
From http://jsx112.iteye.com/blog/1032842
Environment: RedHat Linux 6 Enterprise Edition.Xwindows:gnome (Red Hat Default-installed graphical interface)
Although we can use the SSH connection remotely through the character interface to operate Linux, but for more familiar with the graphics people is very inconvenient,
So it is necessary to open a remote Desktop for Linux. There are two popular ways: the XDM (X display manager) scenario
and VNC solutio
Redhat has two major Linux product lines, the first is the free Fedora Core series mainly for desktop version, providing more new features of support. Another product line is the enterprise series of charges, this series is divided into: as/es/ws and other branches, they are redhat enterprise-class Linux, referred to as RHEL
As
Is the Super Server
RedHat software management-binary software package management
Linux learning philosophy-Linux is very transparent compared with windows. Therefore, both systems and software have their own built-in instructions or help documents provided by man, as long as we make good use of these documents, as long as the English is good enough, no textbooks are required, and any teaching videos are available, you can learn Linux well!
RPM package management
Linux s
RedHat software management-script Installation
I. Decompress
Tar-zxvf webmin-1.700.tar.gz
2. Go to the relevant directory
CD webmin-1.700
3. If you execute./configure at this time, the system will prompt that configure does not exist.
If the source code package is not installed in Linux, it provides detailed instructions, such as readme or install
4. view instructions
VI readme
5. Follow the prompts
./Setup. Sh
Attachment-uninst
From the recent security analysis of the hacked server, I found the tool to elevate the user's privileges. He was using Samba's security vulnerabilities to elevate to root.
These days the server was installed with the Samba server because it was being tested on the public network. And the next day we found out that the server was hacked.
Samba is the default version on Redhat Linux 9. Use the hacker's power
RedHat software management-source code package installation
Source Package features:
It has extensive platform support and can be installed on all UNIX-like operating systems without considering the CPU architecture.
Flexibility. You can specify unique options during installation.
The setting system is very high. You can modify the source code on your own. If large enterprises have high requirements on performance, application, and configuration,
The world's leading open source application platform--redhat
On a certified platform, Red Hat Enterprise Linux can provide you with the following options:
Applications--Thousands of certified ISV applications
Deployment-including stand-alone or virtual servers, cloud computing, or software applications
Hardware-Multiple platforms from the world's leading hardware vendors
It provides an unprecedented level of operational flexibility for IT departm
Sometimes, when updating the system, you do not need to upgrade some software packages. you need to lock the package to a specific version. For example, for mysql-server, to avoid unexpected update errors, the RedhatCentOS label cannot be upgraded.
So how do I lock the package in a specific version? The following describes a method. Use the yum versionlock command to lock the
All operations on the Client # df-hFilesystemSizeUsedAvailUse % Mountedon/dev/sda3 nbs
All operations on the client
#df-h
FilesystemSizeUsedAvailUse%Mountedon
/dev/sda377G21G53G28%/
tmpfs3.8G284K3.8G1%/dev/shm
/dev/sda1485M35M426M8%/boot
/dev/sda297G85G7.2G93%/var
/dev/sda699G26G69G27%/win7
10.10.60.89:/home/nfs
858G210M814G1%/mnt
Run the nfsstat-m command on the client end mounted to the nfs server to obtain that the nfs version
place is typically configured with portnumber=2202But the new version of NDB software does not need to be configured here, and MySQL officials strongly recommend that you do not configure[NDB_MGMD] Management node configuration section (usually only one)Note Nodeid=1 indicates that the management node has a node ID of 1, and if not specified, an error occurs when the cluster is startedHOSTNAME=192.168.1.110 indicates the IP address of the management
2.1 needs to be changed as follows
$su –root
#rpm-UVH glibc-2.2.4-32.11.i686.rpm glibc-common-2.2.4-32.11.i386.rpm
Check gcc, make, and Binutils RPMs
#rpm-Q gcc make binutils
Find out whether the following RPMs are installed:
-For RHELAS3 and rhelas2.1:make-3.79 or above
-For RHELAS3 and rhelas2.1:binutils-2.11.90.0.8-12 or above versions
-For rhelas3:gcc-3.2.3-2 or above
-For rhelas2.1:gcc-2.96-108.1 or above
In the RHELAS3 system, make and Binutils RPMs have been installed. However,
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