Fixing OpenSSL Padding Oracle vulnerability (CVE-2016-2107)
This works well on my Ubuntu 14.04 # Based on http://fearby.com/article/update-openssl-on-a-digital-ocean-vm/ Method1: $ sudo apt-get update $sudo apt-get install –only-upgrade…
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Allowing Slashes in URL with Apache
I have a url like this https://www.dailyithelp.com/countries/us/12%26pensylvania so in normal situation, we only have 3 sub folder: countries,us,12/pensylvainia , but…
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Mysql – repair/check all tables in all databases
The below command will go through all tables in all database databases to do a repair check. [crayon-6863e97425f58287591058/]
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Ubuntu – Mysql – too many sleep connections
You got error ” too many connections” when connecting to database, when you check the server “show processlist” you see…
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Ubuntu – mysql 5.6 – max connections 214
You try to increase your connections to 1000 by editing /etc/mysql/my.cnf (change max_connections=1000) , but when you login to your…
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taskhost (2940) WebCacheLocal: Database recovery/restor – Juniper SSL
If you can’t start Junier SSL VPN and got the error below in system viewer: taskhost (2940) WebCacheLocal: Database recovery/restore…
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Install PHP on Ubuntu 16.04
List all php packages installed: [crayon-6863e974261a6882879234/] Remove all php package: [crayon-6863e974261a7531104940/] Add PPA [crayon-6863e974261a8089483476/] [crayon-6863e974261a9523133441/] You can install php5.6 modules…
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Ubuntu – adding startup script
Edit file: /etc/rc.local This file will auto run at startup. This file is a bash file, it might be…
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Good article to detect a DOS attack
DDOS attack measures
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Apache DOS attack – CLOSE_WAIT
Our servers recently were crashed due to a large number connections to web (apache) services, we didn’t see anything abnormal…