Shell Script Collation

Create the user who wrote the file

650) this.width=650; "src=" Https://s1.51cto.com/wyfs02/M01/98/E0/wKiom1lBR5_gYB4HAAAoKuZARYU671.png "title=" Screenshot from 2017-06-13 19-44-27.png "alt=" Wkiom1lbr5_gyb4haaaokuzaryu671.png "/>

Second, ping 172.25.254. {1..10} host, if the ping general can be turned on on behalf of the host, Ping does not represent the host shutdown

650) this.width=650; "src=" Https://s4.51cto.com/wyfs02/M02/98/DF/wKioL1lBSE6xVQ3tAABVioICluw189.png "title=" Screenshot from 2017-06-13 19-42-54.png "alt=" Wkiol1lbse6xvq3taabvioicluw189.png "/>

Third, create a directory, the name of the directory with the time of establishment, the/etc/directory in the. conf files are copied to the directory

650) this.width=650; "src=" Https://s3.51cto.com/wyfs02/M02/98/E0/wKiom1lBSJahtxKYAABJYQTfBAk257.png "title=" Screenshot from 2017-06-13 19-46-33.png "alt=" Wkiom1lbsjahtxkyaabjyqtfbak257.png "/>

Four, countdown 5 seconds script

650) this.width=650; "src=" Https://s3.51cto.com/wyfs02/M01/98/E0/wKiom1lBSXrwnn7dAABBtZbcB4o063.png "title=" Screenshot from 2017-06-13 19-51-44.png "alt=" Wkiom1lbsxrwnn7daabbtzbcb4o063.png "/>

Five, Countdown 1 minutes 10 seconds, Countdown end immediately exit the script

650) this.width=650; "src=" Https://s4.51cto.com/wyfs02/M02/98/E0/wKiom1lBSZ2BEh9WAAC5mYOcLAw934.png "title=" Screenshot from 2017-06-13 19-57-33.png "alt=" Wkiom1lbsz2beh9waac5myoclaw934.png "/>

Six, back up the database, the file is stored in/mnt/db_back, the name of the backup plus the established time

650) this.width=650; "src=" Https://s3.51cto.com/wyfs02/M02/98/E0/wKioL1lBSiWx4XuGAADXNUZzciQ599.png "title=" Screenshot from 2017-06-13 20-49-13.png "alt=" Wkiol1lbsiwx4xugaadxnuzzciq599.png "/> Seven, finding files when the output is exist when the file exists is not exist

650) this.width=650; "src=" Https://s3.51cto.com/wyfs02/M01/98/E0/wKioL1lBSm-BciABAAA2-CrITYE371.png "title=" Screenshot from 2017-06-13 20-51-40.png "alt=" Wkiol1lbsm-bciabaaa2-critye371.png "/>

Eight, *) Script.sh/mnt/userfile/mnt/passfile

*) do nothing if the user you want to establish already exists

*) The number of files specified after a script is less than two output

"Please give me userfile or passwd file"

*) When the number of rows in the given file is inconsistent

/mnt/userfile ' s line is Different/mnt/passfile's line

########## #改脚本为测试脚本, the user password cannot be established when the user is established ##########

650) this.width=650; "src=" Https://s5.51cto.com/wyfs02/M01/98/E0/wKioL1lBS2Djr6TgAADI-CaA9yg142.png "title=" Screenshot from 2017-06-14 20-33-32.png "alt=" Wkiol1lbs2djr6tgaadi-caa9yg142.png "/>

Shell Script Collation