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take a look at your ~ /. Bash_history file. If the file is empty, execute an ls-l ~ /. Bash_history command. After you execute the preceding command, you will see the following output:
-Rw ------- 1 jd 13829 Oct 10/home/jd/. bash_history
Alternatively, you may see output similar to the following:
Lrwxrwxrwx 1 jd 9 Oct 10 :40/home/jd/. bash_history->/dev/null
If you see the second one, it indicates that the
1, problem descriptionThere are two hosts, of whichThe Linux Mint 18.2 Sonya System is installed on the 192.168.1.4. The hostname is Qwfys, and the user name is LWK.The Ubuntu Server 16.04.3 LT System is installed on the 192.168.1.25. The hostname is Ubuntu and the user name is LWK.When you enter a command on 192.168.1.25, APT is like this:[emailprotected]:~$ IP a1:lo: When you enter a command on 192.168.1
. adding users and user groupsGroupadd MySQLUseradd-r-G MySQL MySQL2. Unzip the tar package downloaded from the official websiteand move to the /etc/localTar zxvf/home/user/mysql-5.5.15-linux2.6-i686.tar.gz3 . Configure a soft link to the fileLn-s mysql-5.5.15-linux2.6-i686 MySQL4 . Change the user group to which the file belongsChown-r MySQL.Chgrp-r MySQL.5. Execute installation filescripts/mysql_install_db--user=mysql6. Configure the file owner aga
Installing SQL Server
Import the public repository GPG keys: Curl HTTPS://PACKAGES.MICROSOFT.COM/KEYS/MICROSOFT.ASC | sudo apt-key add-
Sign up for the Microsoft SQL Server Ubuntu repository: Curl Https://packages.microsoft.com/config/ubuntu/16.04/mssql-server.list | sudo tee/etc/apt/sources.list.d/mssql-server.list
Installing SQL Server su
Streaming media is actually a kind of multimedia file, which is used in the process of network transmission. The so-called flow technology, is to complete the image and sound data after the compressed processing stored in the Web server, users can download edge to obtain information, so no need to download the entire compressed file after the network transmission technology. Today, I will tell you how to use Gnump3d to build a streaming media
directory that is required to log on to the Domain Server. The netlogon shared directory is set as follows:
[Netlogon]
Path =/usr/local/samba/netlogon
Read only = yes
Browseable = no
Share modes = no
3. Establish trust relationships between machines and establish users (NT/2000/XP)
Because the domain authentication of NT is based on the machine Trusted Account. Therefore, the Machine Account adduser-d/dev/null-r qcy $-s/bin/flase must be
Before proceeding, we must tell you that Apache has adopted a series of default values during installation and has enabled the WWW server to run. You only need to connect the host installed with Linux + Apache to the Internet, and then store the home page under the "/home/httpd" directory.
The following describes t
Linux Server batch deployment application system shell script (Tomcat/jetty)
Shell script for batch deployment of application systems on linux servers:
1. Replace the server address in the Code (Tomcat or jetty server)
ServerRoot =/home
on the client.
Note: After NBP executes initialization, NBP downloads other required configuration files from the TFTP server by default.At this time, the PXE startup process has been completed, and the rest of the work is completed with NBP.
For example, pxelinux.0 (NBP) downloads the default configuration file to display the menu and starts different kernel images as needed.If it is the NBP of RIS (Windows installation), Windows boot loader is sta
vim/etc/passwd
At the end of the file, you should be able to find a line like this:
1
Git:x:1000:1000::/home/git:/bin/sh
Change the bin/sh to/usr/bin/git-shell (or view its location with which Git-shell). The line is modified to look like this:
1
Git:x:1000:1000::/home/git:/usr/bin/git-shell
Now git users can only use SSH connection
Proxy server is the function of network users to obtain network information, it is a transit point for network information. With the widespread use of proxy servers, a series of security issues followed. Because there is no comprehensive and meticulous configuration of the access control policy of proxy server, the user can access many pornographic and reactionary illegal sites through proxy
①. Download Jmeterplugins related jar package, put JMeter installation path \lib\ext Under--this time to start JMeter will find that when adding the listener, there is a bunch of [email protected] ..., these are the credit of the plugin.Jmeterplugins-extras-1.1.2.zip, Jmeterplugins-standard-1.1.2.zip1, put jmeterplugins-extras.jar/jmeterplugins-standard.jar to jmeter client jmeter/lib/ext.2, start JMeter, add listener when you can see a lot of reports. (Start JMeter, if no error, prove plug-in a
Description
Server operating system: CentOSServer ip:192.168.21.134SVN installation path:/USR/LOCAL/SVNSVN project path:/HOME/SVNSVN login account: OsyunweiSVN login Password: 123456Web site root directory:/home/webto achieve the purpose:
When any updates are modified in the SVN project, the system automatically checks out the files from SVN and synchronizes to
should copy Identity.pub as default.
The agent has no identities: When the ssh-agent is running and the ssh-add-l returns ' the agent has no identities ' (i.e no keys are added to the ssh-a Gent), the Ssh-copy-id would still copy the message "The agent has no identities" to the Remote-host ' s Authorized_keys entr Y.
Duplicate entry in Authorized_keys: I Wish Ssh-copy-id validates duplicate entry on the Remote-host ' s authorized_keys. If you execute Ssh-copy-id multiple times on the loca
1. Check the current version, if not, install with YumRpm-qa Subversion2. InstallationYum Install Subversion-y2. Building a libraryMkdir-p/home/svn/projectSvnadmin Create/home/svn/project3 cd/home/svn/project/conf for configuration3.1 Setting the passwd file to configure users and passwords[Users]Username = password3.2 Set permissions Authz file, which is set as
redeployment the memory when needed, and the partition used as swap does not need to specify "Mout point" (Mount), since it is used as a swap partition, We should certainly give it a size that is at least equal to the amount of actual memory on the system, which, in general, is one to twice times the size of memory. Alternatively, you can create and use more than one swap partition, up to 16.
*linux native is where the system files are stored, gener
confirmation message and the data transfer channel is established, but if the port on the server is used by another resource, then the server returns the unacknowledged information, then this is the client sends the PASV command again.Attention:
In the whole process of the FTP client connecting the server, the control channel is kept connected, and the
LINUX Mail Server SETUP-Linux Enterprise Application-Linux server application information. For details, refer to the following section. 1. Run the following command to check whether sendmail is installed:
[Root @ mail/root] # rpm? Qa | grep sendmail
Sendmail-8.11.0-8
2. Unin
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