• Red Hat Enterprise update red hat releases RHEL 7.1 download


    Red hat is arguably the most successful enterprise focusing on Linux. Red Hat Enterprise Linux (RHEL) has a high reputation in the industry.Today, the company released the latest version of the release (RHEL 7.1), which includes improved development and deployment tools, enhanced interoperability and objectivity, and brings additional security and performance. Jim Totton, senior vice […]

  • Solution to [errno 5] oserror: [errno 2] on RedHat server


    When configuring the local source of Yum on Red Hat Enterprise Linux server release 5.7, we encountered “[errno 5] oserror: [errno 2] no such file or directory XXX”. It took some time to figure out the cause and effect of the error. It is hereby recorded that: Copy the image of RedHat 5.7 to / […]

  • How to install Gnome graphical desktop to RedHat system


    Although Linux administrators may not need a graphical user interface, users transferred from Microsoft Windows do. For this reason, Linux needs a GUI to make Microsoft Windows users more comfortable. Red Hat Linux provides gnome, the GNU Network Object Model environment. Gnome not only provides high-performance GUI, but also provides high-performance software such as office […]

  • Basic method of configuring local Yum source in RedHat system


    Yu is the abbreviation of yellow dog updater modified. It was originally developed by Terra soft, the developer of yellow dog. It was written in Python. At that time, it was also called yup (yellow dog updater). Later, it was developed by Duke University [email protected] The development team makes improvements, hence the name. The purpose […]

  • Explain some important kernel files commonly used in RedHat system


    In the network, many servers use Linux system. In order to further improve the performance of the server, it may be necessary to recompile the Linux kernel according to the specific hardware and requirements. To compile the Linux kernel, we need to follow the prescribed steps, and several important files are involved in the process […]

  • When VMware installs RedHat Linux system, what should I do if the CD cannot be mounted?


    When using vmware workstation to install RedHat Linux operating system, RedHat Linux will remind us to insert the second or third disc at appropriate time during the installation because there are three image files of the installation program of RedHat Linux. When VMware installs RedHat Linux system, what should I do if the CD cannot […]

  • Methods of repairing potential bash vulnerabilities on RedHat system


    Bash is the software used to control the command prompt of Linux computer. Network security experts say hackers can take full control of the target computer system by exploiting a security vulnerability in bash. Dan Guido, chief executive of trail of bits, a network security company, points out: “compared with heartbleed, the latter only allows […]

  • Basic network connection and setting method on RedHat system


    Before starting the explanation of this chapter, it is specially stated that since there is no need to configure IPv6 in the operation and maintenance work for so many years, we will not explain IPv6 too much here.1、 Linux graphical network configurationThe simplest way to configure networking in Red Hat Linux is to use the […]

  • Installation details of Oracle 11g R2 under RedHat 6.2 page 1 / 2


    1、 Configure system parameters Before installing Oracle, we need to configure the system parameters 1. Modify system kernel parameters modify sysctl.conf file In the file / etc/ sysctl.conf Add the following: kernel.sem = 250 32000 100 128 kernel.shmall = 2097152 kernel.shmmax = 2147483648     kernel.shmmni = 4096 fs.aio-max-nr = 1048576 fs.file-max = 6815744 net.core.rmem_default = 4194304 […]

  • Method of replacing software update source for RHEL system


    RHEL5. X replace update source Copy code The code is as follows: cd /etc/yum.repos.dwget http://docs.linuxtone.org/soft/lemp/CentOS-Base.repomv CentOS-Base.repo rhel-debuginfo.reporpm –import http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-5 Rhel6.1 replacement update source1. Remove yum Copy code The code is as follows: rpm -aq|grep yum|xargs rpm -e –nodeps 2. Download yum Copy code The code is as follows: wget http://mirrors.163.com/centos/6.2/os/x86_64/Packages/python-iniparse-0.3.1-2.1.el6.noarch.rpmwget http://mirrors.163.com/centos/6.2/os/x86_64/Packages/yum-3.2.29-22.el6.centos.noarch.rpmwget http://mirrors.163.com/centos/6.2/os/x86_64/Packages/yum-metadata-parser-1.1.2-16.el6.x86_64.rpmwget http://mirrors.163.com/centos/6.2/os/x86_64/Packages/yum-plugin-fastestmirror-1.1.30-10.el6.noarch.rpm 3. Install […]

  • Method of Yum update source in RHEL system recovery installation CD


    Install CD local Yum update sourceMount the installation CD: Copy code The code is as follows: mount /dev/cdrom /mntvi /etc/yum.repos.d/local.repo Modify the local update source file and add the content: Copy code The code is as follows: [HightAvailability] name=HightAvailability baseurl=file:///mnt/HighAvailability enable=1 gpgcheck=0 Copy code The code is as follows: [LoadBalancer] name=LoadBalancer baseurl=file:///mnt/LoadBalancer enable=1 gpgcheck=0 Copy […]

  • Full explanation of RPM package management system in RedHat Linux


    In the world of Linux, there are two popular packet management methods: RPM of RedHat and Debian of Debian. In the next chapter, I will introduce the mechanism of RPM management in more detail.Package management is a way for operating system to maintain various component versions. For software publishers, making their own programs into standard […]