Linux

linux Common commands for viewing server logs

Common commands for viewing log files tail -f fileName # Real time viewing tail -f fileName|grep "save" # filter -- Show only matching rows tail -...
2020-09-09 13:13 views 9

CentOS Compile and install gcc 4.9.0

Due to compilation nodejs 5.1 need 4.7 Above gcc, and CentOS Self contained gcc Version only 4.3, Therefore, you need to manually compile and inst...
2020-08-19 02:41 views 8

【linux】ubuntu Installation problems ,go back to the menu and correct this problem

As the title , install linux The system encountered the following problems ： translate ：go back to the menu and correct this problem  Return to th...
2020-08-04 06:58 views 9

IntelliJ IDEA 2020.2 EAP 5 release ： Perfect support Java 15

IntelliJ IDEA 2020.2 EAP5 Now released , The main highlights of the new version are as follows ：Java 15 support Related problemsIntentions previe...
2020-08-03 02:14 views 6

linux Bag grabbing tool tcpdump Examples of use

The command parameter to save the capture package to the file is -w xxx.cap grab eth1 Bag of  tcpdump -i eth1 -w /tmp/xxx.cap grab 192.168.1.123 ...
2020-08-01 12:23 views 24

CentOS Remote copy of common commands (scp)

1. Background as a back-end development or operation and maintenance engineer , Server is a technology we must firmly grasp . In this section, we ...
2020-07-30 07:38 views 3

Linux Frequently used commands （ Keep updating ）

Common commands view process and port number to view the process number of an application , For example, check tomcat Process number of （tomcat St...
2020-07-30 07:37 views 2

-bash The Trojan horse , Have you ever met one ?

The first time I encountered such a difficult virus Trojan horse -bash.# cat /etc/redhat-releaseCentOS release 6.7 (Final)# ssh -VOpenSSH_5.3p1, O...
2020-06-15 20:49 views 84

shell The script traverses all the files in the specified folder

#!/bin/bash function readDir(){#echo $1#echo $2targetDir=`ls $1`for fileName in $targetDir do if [ -d $1/$fileName ] # There should be sp...
2019-07-18 13:57 views 10

Hongmeng system based on Linux make , Its essence is Android ?

At present, the operating system market has been basically by Microsoft windows, Google Android , Apple iOS The partition is over , It's too hard ...
2019-06-18 21:21 views 17
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