how to disable directory indexing in ubuntu Apache2, virtual hosting?

1, greg@SS:~$ sudo vim /etc/apache2/sites-available/yourwebsite.com


ServerAdmin xxxxx@gmail.com
ServerName yourwebsite.com
ServerAlias www.yourwebsite.com

DocumentRoot /var/www/vhosts/yourwebsite.com/htdocs
Options -Indexes

ErrorLog /var/www/vhosts/yourwebsite.com/log/error.log
LogLevel warn

CustomLog /var/www/vhosts/yourwebsite.com/log/access.log combined



2, restart apache service
sudo /etc/init.d/apache2 stop
sudo /etc/init.d/apache2 start

check ssl version - linux command

#openssl s_client -connect localhost:443

linux show yesterday date in shell script

yday=$(date --date "1 day ago" +%Y%m%d)

echo "Backup table CSummary day=$yday"

how to download yum package

1, install yum downloadonly
yum install yum-downloadonly

2, check the config
vim /etc/yum/pluginconf.d/downloadonly.conf

3, download package
yum install --downloadonly libaio libaio-devel
updatedb
locate libaio-0.3.106-5.i386.rpm
ll /var/cache/yum/base/packages/

4, you will find two packages in this folder
[root@localhost download]# ll /var/cache/yum/base/packages/
total 40
-rw-r--r-- 1 root root 19798 Jun 3 18:06 libaio-0.3.106-5.i386.rpm
-rw-r--r-- 1 root root 11784 Jun 3 18:06 libaio-devel-0.3.106-5.i386.rpm