wget queue list

Bagaimana download multifile dan time tertentu ?

command :

wget -i

Buat file untuk list data download

~$ vi list-download.txt
~$ cat list-download.txt
data-download1.pdf
data-download2.pdf
data-download3.pdf

~$ crontab -e

set time untuk waktu mulai download file, misalkan kita ingin jalankan ketika tengah malam jam 3.00 am

00 03 * * * * wget -i /directory/path/list-download.txt > download.log

kemudian save crontab.

Proccess :

--2014-10-08 03:00:00--  https://domain.com/data-download1.pdf
Connecting to domain.com (domain.com)|54.231.244.0|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 5821575 (5,6M) [pdf]
Saving to: ‘data-download1.pdf’

100%[=====================================================================================================>] 5.821.575   77,4KB/s   in 72s  

2014-10-08 03:15:00 (78,7 KB/s) - ‘data-download1.pdf’ saved [5821575/5821575]

--2014-10-08 03:15:01--  https://domain.com/data-download2.pdf
Reusing existing connection to domain.com.
HTTP request sent, awaiting response... 200 OK
Length: 6531095 (6,2M) [pdf]
Saving to: ‘data-download2.pdf’

100%[=====================================================================================================>] 6.531.095    101KB/s   in 78s  

2014-10-08 03:25:00 (81,3 KB/s) - ‘data-download2.pdf’ saved [6531095/6531095]

FINISHED --2014-10-08 03:25:01--
Total wall clock time: 1h 26m 15s
Downloaded: 34 files, 384M in 1h 25m 25s (76,7 KB/s)

Source :
http://askubuntu.com/questions/103623/download-files-from-a-list
http://www.thegeekstuff.com/2009/06/15-practical-crontab-examples/

Mulai persiapan Certificate Redhat SysAdmin

Saat ini saya interest terhadap system redhat, sehingga saya search tentang certificate rhcsa ( redhat certificate  ). Saya punya planning untuk tahun depan ingin mengambil certificate ini, amin. Ini beberapa preparation study point yang dapat di pelajari untuk mengambil certitificate rhcsa.

Understand and use essential tools

• Access a shell prompt and issue commands with correct syntax
• Use input-output redirection (>, >>, |, 2>, etc.)
• Use grep and regular expressions to analyze text
• Access remote systems using ssh
• Log in and switch users in multiuser targets
• Archive, compress, unpack, and uncompress files using tar, star, gzip, and bzip2