rhce

a process.5, Signal 1,re-load 9 forced End Process 15 normal shutdown6, write the script if in order to express the execution result failure, you can use exit 1, artificial assignment!7, scheduled tasks, the system comes with a scheduled task, priority can be added 0 beginning,/etc/anacrontab if the task did not execute successfully, every 5 minutes check.Run once per 5 s#！ /bin/bashWhile TrunDoLs-l/etcSleep 5sDoneLesson Five:1. IP link Show eth[x]View interface Status2. Locate-i ignoring case3

RHCE test Disk Quota1. Create a user who needs to limit the quota 2. modify the configuration file and add the quota parameters.Modify the configuration file # vim/etc/fstab; add usrquota (quotas for users) and kgquota (quotas for groups) after ults) 3. Configuration takes effectMethod 1: # restart init 6Method 2: # mount-o remount/mnt/sdb2 (mount point)4. Scan and load partitions# Quotacheck-cumg mount point (if the mount point is successful, t

RHCE review notes-Linux Enterprise Application-Linux server application information. For more information, see below. Knowledge Point 1: DHCP 1. Obtain the two protocols required for network Configuration from the server: DHCP (Dynamic Host Configuration Protocol) and bootp. If there is a DHCP server in the LAN, DHCP works; if you get information from the DHCP server on another network, you need the bootp protocol. 2. configuration file:/etc/dhcpd.

[[email protected] ~] # netstat -pantu | grep httpd tcp6 0 0 ::: 8090 ::: * LISTEN 9668 / httpd One of the questions on the RHCE exam is: Configure SELinux Make sure SELinux for your two virtual machines is in forced enable mode What we need to do is perform the following operations on the two virtual machines: # setenforce 1 #Configure the current SELinux status as enforcing (force start) # getenforce #View the current SELinux

This section studies the priority of the process and the setting of the nice value. In the case of high CPU load, high priority processes take precedence. RHEL7 priority = Priority coefficient +nice value to determine. The precedence factor can be

In simple terms, NAUTILUS is equivalent to the resource manager in windows. It supports file copying, moving, deleting, creating, and some drag-and-drop operations. NAUTILUS is more powerful. It can also manage remote files. This is another function

As the RedHatEnterpriseLinux System Administrator, you need to know how to correct the configuration files related to the startup process. For this reason, there will be some questions to test your troubleshooting and analysis skills. The following

Using NIS + AUTOFS + NIS to centrally manage user account information of network computers and automatically mount their HOME directories, project requirements: (1) a large number of Server Clusters and Intranet users, management is inconvenient.

Today is the second day of my Linux training during the summer vacation. This article was written on the first day because I was busy. Let's talk about my experiment environment. I use the XP system, VMware6.0, And I installed RedHatEnterpriseLinux5.

1. What is a regular expression? To manage hosts, any experienced System Administrator will tell you that "Regular Expressions are important ". Why is it important? In the process of daily host management, the main thing is to process text

1. Process Management 1. ps view process commands (generally use the following two combined options) ps-aux: displays all process information in the system ps-elf: all process details in the system will be displayed in long format: USER: the name of

Unit 3 estimation of experiment files and directory operations: 1 hour and 30 minutes objective: familiar with the use of files, number of directory operation commands, syntax, and several files. The experiment combines these commands into a common

1. Concepts 1. startup manager is a program stored in the disk start sector, for example, the hard disk MBR (MasterBootRecord). After the system completes the startup test, if the system is started from MBR, the BIOS (BasicInput/OutputSystem) sends

Autofs is a very heavy Mount mode and is also the most commonly used Mount mode. Let's talk a little bit about it. Preparations: 1. build an nis server. set up an nfs server. nis and nfs can be the same server. You can try different servers. In this

1. attach a CD to set the options of the optical drive in vmware and load the rhel6 CD image. 2. enter "# cd/media/" in the installation rpm package to access the content of the disc. Enter the cd folder and the Packages folder. From RHEL6, the rpm

Author: kkmangnn ([email] kkmangnn@gmail.cn [/email]) # Welcome to reprint, but please keep this segment of system installation: in two cases (1), no lvm, manually set partitions, mainly this. In this way, the/etc/fstab file (2) has lvm, which is

RHEL5.4 is installed in Vmware, but the allocated disk is only 7 GB at the beginning. After various services are installed, the disk space is getting tighter. After the virtual machine is adjusted to a larger space, the additional space is allocated

Enterprise requirements: 1. Configure ssh to allow access by sisi users and deny access by the remote.com domain. 2. Configure ftp to allow anonymous download from the/var/ftp/pub directory, deny Access to the remote.com domain. mount iso

The level is limited and the problem is in a hurry. Please forgive me for any mistakes or omissions. In addition to CHSCA: 1. Change the password at startup Esce [in 1 mode] enterb [boot] setenforce0 {Change Password in tolerant mode}

Mona1: UNIX was invented by Bell Labs. UNIX is a registered trademark of AT & amp; T, so UNIX developed by other companies has their own names, such as ibm aix and Sun Solaris. In UNIX, everything is a file. Based on this theorem, UNIX configuration