two servers in the same Ali cloud environment A: [root@AY140220152843902sdg46ZsG ~]-sharp openssl version -a OpenSSL 1.0.1e-fips 11 Feb 2013 built on: Wed Mar 22 21:43:28 UTC 2017 although the version is very long, according to built on, there is an ...

two questions, when logging in, typing mysql-u root-p correctly jumps to the password line, but you can t type the password on the keyboard. You can t log in with a password, but you can log in directly by typing mysql. Is this the wrong place? I have...

how can I change the speed of the mouse? [root@localhost ~]-sharp xinput list Virtual core pointer id=2 [master pointer (3)] Virtual core XTEST pointer id=4 [slave pointer (2)] Logitech USB Keyb...

in fact, there is nothing wrong with my installation, the only problem is that it is different from the example given in the official documents, which makes me think I am wrong. trying to go down is not a big problem. excuse me. the server is the Al...

recently I tried to move the finished website (thinkph5 framework) to a remote server, but found that VPS s PDO was not installed: PHP5.65.3: ...

the execution process is as follows git clone https: github.com jquery jqu.Cloning into jquery . fatal: unable to access https: github.com jquery jqu. : Peer reports incompatible or unsupported protocol version. I don t know what went ...

Environment centos7 php version php5.6 php7.0 php7.1 php7.2 problem execution of php-- ini in php7.1 and php7.2 returns the ini path of the location of their directories as shown in figure below, but php-- ini in php7.0 and 5.6returns the ini ...

I unzipped the current nodejs to opt app node-v8.11.4-linux-x64 -sharp ln -s opt app node-v8.11.4-linux-x64 bin node usr local bin has no effect on executing node-v, (not even using ln-s opt app node-v8.11.4-linux-x64 bin node usr local bi...

it is said on the Internet that perl has not been added to the environment variable, but I can use perl-v to view the version information, indicating that the environment variable has been added. What s going on here. my perl installation path is in ...

what is the relationship between eth0 and en0? under my etc sysconfig network-scripts , there are ifcfg-en0 and ifcfg-eth0 : [root@localhost ]-sharp ls etc sysconfig network-scripts ifcfg-en0 ifdown-ipv6 ifup ifup-plip ifu...

problem description bought a CVM yesterday. According to the method on the Internet, after compiling and installing Python, execute request.urlopen ( "https: www.baidu.com ") will make mistakes, use requests.get ( " https: www.baidu.com ") will al...

the problem I want to solve now is: now after jumping to the company unified login page, the company login page post will jump 405 when it returns to xxxx page. On the Internet, it seems that nginx does not accept post requests for static files w...

now the requirement is to write a log file. I want to record the running command of the python script at the beginning of the log file. For example, my command line call command is python3 test.py-a hellow-b wolrd . I want to record the string "log-a ...

problem description: when developing java applications, you need to visit this website. Everything accesses normally on windows, and when deployed to a linux server, access timeout occurs [root@VM_18_115_centos ~]-sharp wget https: wap.zhengzhoubu...

I use the command ffmpeg-I home video a.mp4-r 1-s 950x520-f image2 home video a.jpg can be executed on the terminal, but in the PHP file, I run exec ( ffmpeg-I home video a.mp4-r 1-s 950x520-f image2 home video a.jpg ) through a browser bu...

centos version 7.2.1511 when starting hadoop2.8.5, prompt: [root@master sbin]-sharp . start-all.sh This script is Deprecated. Instead use start-dfs.sh and start-yarn.sh Starting namenodes on [master] master: usr bin env: bash: master: usr bin env: ...

1. The centos7 Ali image is installed on the local virtual machine, and modifies ONBOOT=yes in etc sysconfig network-scripts ifcfg-ens33 . Then systemctl restart network.service 2. systemctl status network.service found that it was not succe...

Status of node rabbit@localhost. Error: unable to connect to node rabbit@localhost: nodedown < H1 > DIAGNOSTICS < H1 > attempted to contact: [rabbit@localhost] rabbit@localhost: connected to epmd (port 4369) on localhost epmd reports: node ...

there is an SMS API that sends CAPTCHA when a user registers, and now it is found that someone makes a malicious call with a different ip and a different number, and now the interface is exploded. How to solve this problem? add: at present, APP has been...

there are more than 10 identical stations data www aa.com test.php data www bb.com test.php data www cc.com test.php I want to use the Linux command to batch modify data www aa.com test.php a certain line of the specified file $article MOD...