$ docker Network lsNetwork ID NAME DRIVER7fca4eb8c647 Bridge9f904ee27bf5 none nullCF03EE007FB4 Host HostBridgeThe default bridge network, we can use the Docker Network Inspect command to view the returned network information, we use the Docker Run
John differs from tools such as Hdra. Hydra a blind brute force attack by attempting a username/password combination on a service daemon on an FTP server or Telnet server. However, John first needs to hash it out. So the bigger challenge for hackers
Regular cleaning of outdated and junk files, maintaining a reasonable space usage of the file system, is a system administrator's daily work. Simple system commands or scripts can be implemented for small to medium sized file systems, but file
One, what is the system average load (load average)?In Linux systems, the uptime, W, top commands will have the system average load average output, then what is the system average load?The system average load is defined as the average process tree
Windows Apache does load balancing The first time I saw this headline I was surprised that Apache can still do load balancing? It's so powerful. After a survey found that it can, and the function is not bad. This is thanks to the Mod_proxy module.
0X00 What is a linked file The linked file in Linux is the equivalent of a shortcut in Windows, which can be accessed by linking files to the source files that the link points to. However, there is a certain difference between the link file under
Command alias: Alias Alias displays all aliases defined in the current shell [Root@zabbix_agentd zabbix]# AliasAlias cp= ' Cp-i 'Alias egrep= ' Egrep--color=auto 'Alias fgrep= ' Fgrep--color=auto 'Alias grep= ' grep--color=auto 'Alias l.= ' ls-d. *
Command:Useradd Add UsersAddUser Add Userspasswd Add passwordUserMode Modify User InformationChsh Modify User ShellChage Modify Account DateCHFN Modify User InformationUserdel Delete UserGroupadd Add a groupGroupmde Modify GroupGroupdel Delete
File Lookup: Operators in the operation of the operating system, to contact a large number of files, in order to avoid the embarrassment of forgetting the location of file storage, we need a file to find tools to help, the following is two files to
In general, we have to purchase the VPS host must also do a little simple test performance, such as checking the basic configuration is not the time we buy the merchant label configuration, as well as network node ping speed, as well as the network
Using an SSH client (such as: Putty) to connect to a Linux server may wait 10-30 seconds to prompt for a password. Seriously affect work efficiency. Logon is slow, log on after the normal speed, this situation is mainly for two possible reasons: 1.
SFTP is an interactive file transfer program. It is similar to FTP, but it carries on the encrypted transmission, has the higher security than the FTP. 1. Common Landing Method: Format: SFTP @ Connect via SFTP, Port is default 22, specify user .
Introduction to Linux Cluster file systemThe cluster file system has perfected the database cluster function of Oracle RAC in many aspects. Here is a comparison of them.Typically, a cluster is just a set of servers (PCs or workstations) that run as
After installing the VSFTP software, the link FTP login prompts such errorOops:cannot Change directory:/home/ The reason is that the CentOS system installed SELinux, because the default is not open FTP support, so access is blocked. Solutions
Install Tcpdump The code is as follows Copy Code # yum Install tcpdump There is a comment #diy in the script, which means that the next line needs to be custom modified.The scripts are placed in the home
Method One The first approach is to use the Geoiplookup tool, which is a command-line client for querying the Maxmind GeoIP database. Geoiplookup allows you to query for geographic information or network information for an IP address (or domain
1. DF can view the level of folder size, usage ratio, file system and its mount point, but not for the file (see only the windows of the similar C disk, D disk)Du can view the size of files and folders, more useful 2. [Ia@i5a6 ~]$ Df-h Parameter-H
One, SVN installation1. Installation package$ sudo apt-get install subversion 2. Add SVN Admin user and Subversion Group$ sudo adduser svnuser$ sudo addgroup subversion$ sudo addgroup svnuser subversion 3. Create a project directory$ sudo
tar [-cxtzjvfppn] files and directories .... Example: Example one: Package all the files in the/etc directory into a/tmp/etc.tar [Root@linux ~]# tar-cvf/tmp/etc.tar/etc [Root@linux ~]# tar-zcvf/tmp/etc.tar.gz/etc [Root@linux ~]#
All socket communication is through the socket interface, any family communication including UNIX domain sockets to go, so as long as the intercept socket read and write a few syscall can understand the UNIX domain socket sent and received.The