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January 16, 2019

How to deny execution of php on some directory

Filed under: Linux — Tags: , , , — admin @ 1:12 pm
Just add this on your .htaccess in that directory and php will not be executed.
# Kill PHP Execution
<Files ~ "\.ph(?:p[345]?|t|tml)$">
deny from all
</Files>

January 15, 2019

MySQL database exists on the server, but does not show up in the cPanel

Filed under: Linux — Tags: , , — admin @ 2:22 pm

I have created a database manually on server with user_dbname however won’t show up on cpanel / phpmyadmin .

The solution was to run this

/usr/local/cpanel/bin/dbmaptool cpanelusername --type mysql --dbs 'nameofdatabase' --dbusers 'dbusername'

January 14, 2019

How to recursively give directories read&execute privileges

Filed under: Linux — admin @ 9:55 pm

To recursively give directories read&execute privileges:

find /path/to/base/dir -type d -exec chmod 755 {} +

To recursively give files read privileges:

find /path/to/base/dir -type f -exec chmod 644 {} +

Or, if there are many objects to process:

chmod 755 $(find /path/to/base/dir -type d)
chmod 644 $(find /path/to/base/dir -type f)

Or, to reduce chmod spawning:

find /path/to/base/dir -type d -print0 | xargs -0 chmod 755 
find /path/to/base/dir -type f -print0 | xargs -0 chmod 644

December 10, 2018

Your browser sent a request that this server could not understand

Filed under: Linux — Tags: , , , — admin @ 4:51 pm

Well today I am facing another problem.

Got this answer on a apache behind a proxy .

400 Bad Request
Bad Request
Your browser sent a request that this server could not understand.
Size of a request header field exceeds server limit.

So .. it appear the header that is received by webserver is bigger then normal .

Solution is to increase it .

LimitRequestFieldSize 32760
LimitRequestLine 32760

Please note that is loaded from first VirtualHost.

One solution is to tested with this

curl -v -H “CustomHeader: `printf ‘1%.0s’ {1..n}`” localhost

Where n can be replace with a value of for example 20000

 

November 22, 2018

Letsencrypt UnicodeDecodeError: ‘utf-8’ codec can’t decode byte 0xfc in positio

Filed under: Linux — Tags: , , , — admin @ 12:16 pm

Well today I was trying to issue a ssl on a old server and find this

File “/opt/eff.org/certbot/venv/lib64/python3.4/site-packages/augeas.py”, line 147, in get
return dec(value.value)
File “/opt/eff.org/certbot/venv/lib64/python3.4/site-packages/augeas.py”, line 65, in dec
return st.decode(AUGENC)
UnicodeDecodeError: ‘utf-8’ codec can’t decode byte 0xfc in position 15: invalid start byte
Please see the logfiles in /var/log/letsencrypt for more details.

A short workaround was to modify the

“/opt/eff.org/certbot/venv/lib64/python3.4/site-packages/augeas.py”

the 65 line was something

return st.encode(AUGENC)

with

return st.decode(AUGENC, ‘ignore’)

It worked to get a new certificate .

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