Notes of the third lecture in class NSD2005
1, KVM construction and management
10.1 KVM components
10.2 KVM management command
10.3 composition of KVM virtual machine
10.4 manually clone KVM virtual machine
10.5 manually clone kvm virtual machine (virsh edit virtual machine name)
10.6. Delete KVM vi ...
Added by gotserv on Fri, 26 Jun 2020 09:45:55 +0300
Log collection adopts ELK framework, i.e. elasticsearch, logstash, kibana, and filebeat component. Filebeat is used to scan log files and send logs to logstash service, while logstash service completes log segmentation and sends logs to elasticsearch service.
2. Deployment steps of filebeat (log - > logstash)
Download the ...
Added by Funbruk on Sun, 31 May 2020 19:13:13 +0300
A word programmers often say is: Programming for github.Without github, programmers can see how important it is to them.
The tool that works with github is git, in the previous chapter git installation and basic configuration on cloud servers There is also a basic introduction to it on the server.Although git can work on both ssh and https pro ...
Added by dev99 on Thu, 28 May 2020 05:35:54 +0300
Why use it? What's the advantage? This should be put at the beginning to say that only when you know what it is and what it is suitable for, can you better integrate it with your own projects. Where to use it and where to learn it? Learning it doesn't mean learning it doesn't mean we won't. We should usually consider more s ...
Added by arfa on Tue, 19 May 2020 08:46:14 +0300
0 personal information
1 purpose of the experiment
Learn more about memory management through programming.
2 experiment content
On the server, we use Vim to write a program: simulate a memory management algorithm, test the result, and explain the running result.
3. Experiment report
Three po ...
Added by bryansu on Sun, 17 May 2020 11:48:25 +0300
Use Prometheus and Grafana to monitor MySQL server performance.Use two exporter s:Node? Exporter: server system data collectionmysqld_exporter: MySQL server data collectionMonitoring architecture:
Prometheus installation configurationInstallation mode binary installation, see here for details CentOS7 deployment PrometheusVersion: current late ...
Added by dhruvasagar on Thu, 14 May 2020 02:15:46 +0300
18.11 LVS DR mode construction
Three machines have public IP.
Scheduler (director) IP: 192.168.230.135
real server1(real1) IP: 192.168.230.130
real server2(real2) IP: 192.168.230.145
[root@cham002 ~]# vim /usr/local/sbin/lvs_dr.sh
echo 1 > /proc/s ...
Added by buddysal on Mon, 04 May 2020 07:27:43 +0300
find directory condition value
find /etc/ -name passwd ##Find the file named passwd under / etc
2.find -user -group -a -o -not
find /mnt -group root
find /mnt -user westos
find /mnt -group root -user student ##and
find /mnt -group root -a -user student ##Both c ...
Added by GaryC on Fri, 01 May 2020 11:04:56 +0300
Nginx parsing PHP related configuration
location ~ \.php$
//There are two listening formats of fastcgi ﹐ pass, ...
Added by phpSensei on Thu, 30 Apr 2020 15:35:29 +0300
for var in item1 item2 ... itemN
Write in one line:
for var in item1 item2 ... itemN; do command1; command2... done;
Requirement: sum the numbers from 1 to 100.
[root@dl-001 sbin]# vim sum.sh
for i in `seq ...
Added by samafua on Thu, 30 Apr 2020 13:57:53 +0300