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-get: sudo apt-get install rsync basic usage of rsync The basic language of rsync is structured as follows: Rsync Parameters Source File file Here are a few of the most common parameters: the-v:verbose model, which outputs more detailed messages. -R: Recursive is equipped with all subdirectories and files. -A: The enclosure mode, as in the case of-rlptgod, is to be transferred to all subdirectories and files, retaining the link, the owner of the file, the group, the rights, and the time stamp

); return true; } catch (IOException e) { e.printstacktrace (); return false; } } Public int[] Picscale (string source, string target, int w, int h) {File F = new file (source);Int[] arr = {0, 0};try {BufferedImage bi = imageio.read (f);BufferedImage out = null;Imgthumb scal = new Imgthumb ();arr = Getimagewidthandheight (Bi.getwidth (), Bi.getheight (), W, h);out = Scal.imagezoomout (bi, arr[0], arr[1]);File T = new file (target);Imageio.write (out, "jpg", t);} catch (IOException e) {E.pri

-AVH--port=873--progress--delete/home/www.111cn.net/home_www.111cn.net_user@192.168.21.127::home_ Www.111cn.net--password-file=/etc/passwd.txt RSYNC-AVH--port=873--progress--delete/home/www.111cn.net/home_www.111cn.net_user@192.168.21.128::home_ Www.111cn.net--password-file=/etc/passwd.txt After the operation is completed, the two target servers are 192.168.21.127,192.168.21.128 on each other, and the Ces

/RSYNC.PASSCchmod 600/ETC/RSYNC.PASSC②, perform data synchronization test operations:RSYNC-AVH--port=873--progress--delete [email protected]:jumpserver--password-file=/etc/rsync.passc/data/ jumpservertest/(v in-VZRTOPG in command line is Verbose,z is compression, R is RECURSIVE,TOPG is the parameter that keeps the original property of the file as owner, time. --progress is the display of detailed progress,--delete is that if the server side delete the

following 2-line command on the source serverRSYNC-AVH--port=873--progress--delete/home/www.osyunwei.com/[email protected]::home_www.osyunwei.com-- Password-file=/etc/passwd.txtRSYNC-AVH--port=873--progress--delete/home/www.osyunwei.com/[email protected]::home_www.osyunwei.com-- Password-file=/etc/passwd.txtAfter the completion of the operation, respectively on the two target server 192.168.21.127,192.168.

maintenance www.osyunwei.com warm reminder: qihang01 original content copyright, reproduced please indicate the source and the original link3. Installing the Rsync client softwareWhereis rsync #查看系统是否已安装rsync, the following prompt appears stating that you have installedRsync:/usr/bin/rsync/usr/share/man/man1/rsync.1.gzYum Install xinetd #只安装xinetd即可, CentOS is a xinetd to manage rsync servicesYum Install rsync xinetd #如果默认没有rsync, run this command to install rsync and xinetdVi/etc/xinetd.d/rsyn

source serverRSYNC-AVH--port=873--progress--delete/home/www.osyunwei.com/[email protected]::home_www.osyunwei.com-- Password-file=/etc/passwd.txtRSYNC-AVH--port=873--progress--delete/home/www.osyunwei.com/[email protected]::home_www.osyunwei.com-- Password-file=/etc/passwd.txtAfter the completion of the operation, respectively on the two target server 192.168.21.127,192.168.21.128 view, in the/home/www.osy

123456#chmod 600/etc/password.txt # #设置文件权限,#rsync-AVH--port 873--progress--delete/var/www/html/[email protected]::web--password-file=/etc/password.txt # # #在 Tested on the source server and found it possible to back up the original server data to the target server#tar zxf inotify-tools-3.14.tar.gz # # # #安装inotify-tools#cd inotify-tools-3.14#./configure--prefix=/usr/local/inotify#make make InstallSet environment variables below and add soft links#ech

fs.inotify.max_user_instances=65535 : wq! #保存退出 Parameter description: Max_queued_events: INotify Queue Maximum Length, if the value is too small, there will be "* Event queue Overflow * *" error, resulting in inaccurate monitoring files Max_user_watches: How many directories are included in the file to sync, available by: Find/root/ceshi-type D | Wc-l statistics, the max_user_watches value must be guaranteed to be greater than the statistical result (here/root/ceshi is the synchronized file di

/share/man/man1/rsync.1.gzYum install xinetd # Only install xinetd. in CentOS, xinetd is used to manage the rsync service.Yum install rsync xinetd # if no rsync exists by default, run this command to install rsync and xinetdVi/etc/xinetd. d/rsync # Edit the configuration file and set rsync to start at startupDisable = no # Change to no/Etc/init. d/xinetd start # start (in CentOS, xinetd is used to manage rsync services) 4. create an authentication password file Vi/etc/passwd.txt # edit the file

/rsync.passwdwebuser:password//user and password separated by semicolonsand set the 600 file properties:chmod 600/etc/rsync.passwdTo start the Rsync service:/usr/local/rsync/bin/rsync--port=873--address=192.168.121.129--daemonTo do a push test on the 192.168.121.128 (source) Host:RSYNC-AVH--delete--password-file=/etc/rsync.passwd/tmp/[email protected]::tmp#注意:/tmp directory default system is already there, if synchronization of other directories, the

This article is No. 9 in the O M of chinamoocs. It is too slow to update ,, In O M, sometimes we need to delete large files, or n (n is infinite ~~) Multiple small files So, RM, Here, rocky introduces the most cute, gentle, mature, kind and kind of Linux in history. This is another method of rsync. ① Syntax: # Rsync -- delete-before-AVH -- Progress -- stats DEST SRC Explanation: When SRC and DEST are both objects [f], this indicates clearing t

In O M, sometimes we need to delete large files, or N (N is infinite ~~) Multiple small files So, rm, Here, Rocky introduces the most cute, gentle, mature, kind and kind of Linux in history. This is another method of rsync. ① Syntax: # Rsync -- delete-before-avH -- progress -- stats DEST SRC Explanation: When SRC and DEST are both objects [f], this indicates clearing the object content rather than deleting the object. When SRC and DEST are both direc

/chmod 600/etc/passwd.txtFiLog =/opt/logs/rsync. logSrc = "/home/DemoRoot/Uploads /"Host = "8.8.8.111"Module = "home_www"/Usr/local/inotify/bin/inotifywait-mr -- timefmt '% d/% m/% y % H: % M' -- format' % T % w % F'-e close_write, modify, delete, create, attrib $ src | while read date dir file; doFILECHANGE =$ {DIR }$ {FILE}/Usr/bin/rsync-avH -- delete -- progress -- password-file =/etc/passwd.txt $ src r

to do this is to save the important data in a top-level directory, and then copy it to the external hard disk to back up the directory with the following command:rsync-avh/home/usr/dir//media/disk/backup/If you want to ensure that locally deleted files are also deleted on the external drive, you need to use the--deleted switch as follows:RSYNC-AVH--delete/home/user/dir//media/disk/backupUse this switch wit

= no #修改为no /etc/init.d/xinetd start #启动 (CentOS is xinetd to manage rsync services) 4. Create the authentication password file Vi/etc/passwd.txt #编辑文件, add the following 123456 #密码 : wq! #保存退出 chmod 600/etc/passwd.txt #设置文件权限, only set the file owner to have read, write permission 5, test the source server 192.168.21.129 to the two target server 192.168.21.127,192.168.21.128 data synchronization between Mkdir/home/www.111cn.net/ceshi #在源服务器上创建测试文件夹, and then run the following 2-line co

Install mysql-server #安装mysql数据库service mysqld start #启动mysql服务iptables-F #清空iptables规则mysql-uroot-p-e ' Create dat Abase discuzdatabase; ' #创建discuz数据库mysql-uroot-p-e ' Grant all on discuzdatabase.* to [email protected] '% ' identified by ' Youpass '; "#创建discuz用户并赋予管理discuzdatabase的权限mysql-uroot-p-e ' flush privileges; ' #刷新mysql权限To configure the Web service:# #注意事项: Due to some of the mechanisms of rsync+inotify, it is first fully configured on the RS1 discuz in the use of rsync synchroniza

vi/etc/sysctl. confFs. inotify. max_queued_events = 99999999Fs. inotify. max_user_watches = 99999999Fs. inotify. max_user_instances = 65535Parameter description:Max_queued_events:The maximum length of the inotify Queue. If the value is too small, the "** Event Queue Overflow **" error will occur, resulting in inaccurate monitoring files.Max_user_watches:Directory of the file to be synchronized. Avoid the failure caused by this value being too small, especially when there are many smal

program, SCP is the meaning of security copy , the commands commonly used by SCP are:[Plain]View PlainCopy Scp/path/to/source [email protected]:/path/to/local # #本地赋值到远程 SCP [email protected]:/path/to/source/path/to/local # #远程复制到本地 The Rsync command is a remote synchronization program that, compared to the SCP, can back up files at minimal cost, backing up only the files that are different, so that each backup is a lot less time, and in addition to its own protocol on the tra

records, but instead repeats them (if possible).This method is time-consuming when the volume of data is large.backing up data files directly MONGO 127.0.0.1:27017/db_to_back--eval "Db.fsynclock ()" RSYNC-AVH--delete/path/to/your/mongofile/path/to/ backup/folder/ MONGO 127.0.0.1:21001/turbo--eval "Db.fsyncunlock ()" The key is two commands in the first and third lines, and for Db.fsynclock (), the MongoDB documentation Db.fsyncl