< H1 > 1. Problem description < H1 > No error is reported when the command line runs, and: redis server went away error occurs in the form of browser access server script < H1 > Test Code: < H1 > : < H1 > problem speculation < H1 > 1.php-redi...

< H2 > as described in the question < H2 > just wanted to do a simple test, but I didn t expect this kind of problem. ~ (thanks to others) ...

the project is very fast locally. After it is deployed to the server, there will be problems with online access. Sometimes it will come out after visiting 0.1s, and sometimes it will show "connecting " all the time. It took more than ten seconds to co...

if so, what is the meaning of : in parallel-k echo: A B C > abc_file ? What s the effect? ...

Server version: CentOS Linux release 7.4.1708 (Core) MySQL version: 5.7.21 -Source Code installation $ mysql ERROR 2002 (HY000): Can t connect to local MySQL server through socket u01 my3306 mysql.sock (2) this is an error I reported when I lo...

downtime for two days over the weekend, start the network today, there is a very strange problem. first of all, the server can be accessed normally, the server can also provide services normally, and the server cannot access its own public IP. I used c...

Hong Kong Aliyun centos7 configuration vsftpd, user ftpuser user root directory ftpfile can be connected to view and delete, cannot upload and download seliunx and iptable are both closed ...

Server An is old, with php + apache + mysql applications Server B s application wants to use A s mysql data is there a simple way, except for server A to write api ...

1. I want to configure the DNS server in the redhat7.3 in the virtual machine, but I don t know much about the listening address configured in option. Most of the addresses on the Internet are configured as any or localhost, so I have the following ques...

the following error is always reported when installing uswgi. How to deal with it [root@localhost ~]-sharp sudo python3 -m pip install uwsgi Collecting uwsgi Using cached https: files.pythonhosted.org packages 98 b2 19b34b20662d111f7d2f926cdf10e1338...

xamppmysqlmysql, phpmyadminnavicat for mysql navicat for mysqlphpmyadmin...

introduce the virtual machine environment, which is in the spark cluster. The virtual machine is the master node. After the virtual machine is restarted abnormally, the vnc of other nodes can log in normally, which should have nothing to do with the spa...

recently found something abnormal in the program. Take a look at the number of handles opened [root@dev-test-server ~]-sharp lsof -n|awk {print $2} |sort|uniq -c|sort -nr|head -10 152158 7076 21344 11305 2338 30006 2096 938 .... my java pr...

the project came online yesterday, but I found that PHP was particularly slow to execute the move_uploaded_file method when uploading large files. KB15MB10 " " " " PHP.iniWindows findLinuxphp.iniphp-fpmapachecp 15MB.zipchmod 777 chmod a+rwx 13:31...

Hello, prawns! free -m: topfreenmonCommit_ASActive================================================================ proc meminfo: in https: blog.famzah.net 2014 ., the author mentions a formula: MemTotal = MemFree + Buffers + Cached + SwapC...

File " home django-file virtualenv test bin django-admin ", line 5, in < module > management.execute_from_command_line() File " home django-file virtualenv test lib python2.6 site-packages django core management __init__.py ", line 399, in execute...

question 1: obviously, when you install IPtable, query, you are prompted not to install question 2: Baidu said that you still need to install iptable-service, if you are uneasy, how to keep the rules saved after IPtable restart? Please forgive me if y...

because you are a novice, please try to keep it simple first: ipsec service [root@VM_88_10_centos ~]-sharp systemctl status ipsec ipsec.service - Internet Key Exchange (IKE) Protocol Daemon for IPsec Loaded: loaded ( usr lib systemd system ipsec.se...

contOS installs the Linux virtual machine. After configuring ONBOOT=yes, you can get IP, but you cannot get ip,ONBOOT=yes after the second startup. How can you solve it? otherwise, every time you use it, you can only reinstall it and configure it. This i...

php 5.4. install the zookeepr extension and report an error. I don t know what s wrong. ...