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Background: When a RHEL7 machine is newly built, there is no graphic interface???? reason: The system was created without graphing installed The default run level of the system is not graphical After the system is installed, there are operations to reduce the memory. If the memory is too low, the desktop cannot be ...

1. View the existing nginx compilation parameters I'm here with 1.16.0 Upgrade to 1 for example.16.1(Compiled and installed) [root@localhost ~]# /usr/local/nginx/sbin/nginx -V nginx version: nginx/1.16.0 built by gcc 4.8.5 20150623 (Red Hat 4.8.5-39) (GCC) built with OpenSSL 1.0.2k-fips 26 Jan 2017 TLS SNI support enabled configure arg ...

oracle 11g single instance silent installation AURHOR: Oracle_Ran Environmental Planning: OS Version : Red Hat Enterprise Linux Server release 6.7 (Santiago) Oracle Version: 11.2.0.4 Please refer to Oracle single instance installation document for operating system environment configuration   1. Upload the Oracle installation media, enter the ...

Before we talk about recursive mutexes, let's talk about what mutexes are. There are four types in the third edition of apue: PTHREAD_MUTEX_NORMAL: Standard type with no special error or deadlock detection. Deadlock occurs when a mutex is unlocked in the same thread. PTHREAD_MUTEX_RECURSIVE: Recursive type. This mutex type allows the same t ...

Catalog Check and delete the original yum source Download the yum source for CentOS Install RPM package yum configuration Modify yum configuration Clean up and rebuild cache Because red hat's Yum needs to be charged and registered before it can be used. So I want to update the yum source to ...

variable In the file hello_world.py,.Py is the suffix of the python file and is therefore parsed using the Python interpreter. $ cat hello_world.py print("Hello Python world!") Now change to variable form, message is variable, and each variable is associated with a value: message = "Hello Python worl ...

One code #include<iostream> using namespace std; int func(int n){ int result=0; for(int i=1;i<=n;i++){ result+=i; } return result; } int main(){ int arr[10]; arr[0]=0; arr[1]=1; for(int i=2;i<10;i++){ arr[i]=arr[i-1]+arr[i-2]; } cout<<"arr[9]"<<arr ...

A blank page. Visits to webpages are also prompts. Skip the prompt to continue visiting, the page is normal. So it's not the system that went wrong. The certificate has expired. Chief, give me a certificate and compress the package. It's this after decompression. So where should I put this? Do ...

Write on the premise that you can use it 1. Determine the type of all files in / var / directory [root@linux1 scripts]# cat filetype.sh #!/bin/bash for i in $(find /var);do if [ -b $i ];then echo "$i It's a block device." elif [ -c $i ];then echo "$i It's a character device." elif [ -f $i ];then echo "$i It's an or ...

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