Tools and use of FTP under Linux and Rpmreadsignature failed errors

Prompt Rpmreadsignature failed error when installing RPM file 2011-09-23 11:04 Phenomenon: [Email protected] share]# RPM-IVH syslog-ng-3.1.0-1.rhel5.i386.rpm Error:syslog-ng-3.1.0-1.rhel5.i386.rpm:rpmreadsignature failed:region Trailer:bad, tag 15872 type 2047 offset 28672 Co UNT 4096 ERROR:SYSLOG-NG-3.1.0-1.RHEL5.I386.RPM cannot be installed "Workaround" 1, check the download use of the installation package, compressed package is complete, or from the regular mirror war point re-download; 2, the general novice may be due to upload to Linux with FTP is not caused by binary mode. Need to transition to binary mode in Ftp>binary. Source Address: http://hi.baidu.com/somken/blog/item/069e62cbdfe19a21f8dc618e.html So far, FTP is a standard file network transport protocol, applied in the OSI model application layer, FTP support two transmission modes, ASCII (text transfer mode, the biggest disadvantage is to filter out non-conforming data) and binary (binary transmission mode, Do not filter the data and all accept) mode, each login success, the default is the ASCII mode, you can use the input-related commands to switch to binary mode! First Linux under the installation configuration Vsftp server side, and open the FTP service, you can use Netstat-tulnp|grep vsftp to see the success of the launch [[Email protected] ~]# FTP 192.168.1.192 Ftp> Help (see the commands you can use, which are more commonly used, of course: Upload, download, new, delete, mode switch ....) Wait, the presentation below) 1. Get (Download) Ftp> dir (you can also use LS to view documents under the directory) -RWXRWXRWX 1 Ethnicity ethnicity 206666 Mar 22:00 222.184.88.146.txt ftp> binary (switch to binary mode) Switching to Binary mode. Ftp> Hash (open hash, i.e. display process) Hash mark Printing on (1024x768 bytes/hash mark). ftp> get 222.184.88.146.txt (download to local and show process) PORT command successful. Consider using PASV. Opening BINARY mode data connection for 222.184.88.146.txt (206666 bytes). ################################################################################ ################### #226 File send OK. ftp: Received 206666 bytes, spents 0.02 seconds 10333.30 kilobytes per second. Ftp> bye 221 Goodbye. C:\>dir (This is the file you just downloaded) 2011/05/08 02:21 206,666 222.184.88.146.txt 2, put (upload, here is a technique, upload where the document, you can in that directory FTP login) Ftp> put Install.log.syslog Local:install.log.syslog Remote:install.log.syslog 227 Entering Passive Mode (192,168,1,192,43,203) Ok to send data. 226 File receive OK. 5341 bytes sent in 0.23 seconds (KBYTES/S) Ftp> dir (view, upload successful) -rw-r--r--1 5341 Mar 14:28 install.log.syslog 3, mkdir, RmDir, rename (New, deleted, renamed directories) ftp> mkdir Laji (new command) 257 "/home/ethnicity/laji" created Ftp> dir Drwxr-xr-x 2 4096 Mar 14:32 Laji ftp> rmdir Laji (removed command) Remove Directory operation successful. ftp> Rename Wanzi Wanle (use of renaming) For Rnto. Rename successful. 4, delete, rname (delete, rename the document) ftp> Delete web.crt (delete document) + Delete operation successful. ftp> rename Install.log.syslog syslog.conf (file renaming) For Rnto. Rename successful. 5. Status (view current settings) ftp> status Connect to 192.168.1.192. Type: ASCII; details: on; Ringtones: Off Debug: Off; hash mark print: Off. 6. PWD (Check the current path of operation after logging in) ftp> pwd 257 "/home/ethnicity" 7. Bell (Turn on the bell mode) Ftp> Bell The ringtone mode is off. 8. Help (View the commands you can use in the current mode) Ftp> Help 9, Debug (display the detailed information of the operation) Ftp> Debug Debug on. 9, LS, dir (view the current directory of documents and directories, dir display information more detailed) For example, when you turn on the dir command in debug mode Ftp> dir ---> Port 192,168,1,188,213,253 (IP and ports of logged-on hosts) PORT command successful. Consider using PASV. ---> LIST Here comes the directory listing. -RWXRWXRWX 1 206666 Mar 222.184.88.146.txt -rw-r--r--1 0 0 Mar 13:27 index.html Drwxr-xr-x 2 4096 Dec 13:43 public_html ftp: Received 345 bytes, spents 0.00 seconds 345.00 Kilobytes per second. 10, bye (exit) Ftp> bye ---> QUIT 221 Goodbye. The commands listed above in addition to the function have similar, bulk operation commands, as follows Mdelete, Mdir, Mget, mkdir, MLS, Mput These commands are used very frequently, of course, if you want to know more words, can be combined with help and consult the relevant information, here no longer repeat!

Tools and use of FTP under Linux and Rpmreadsignature failed errors