How to , and other stuff about linux, photo, php … A linux, photography blog. To remember some linux situation, and fix them quickly.

February 2, 2021

how to disable attempt authentication using pageant

Filed under: Linux — Tags: , — admin @ 12:50 pm

First of all this is about windows. If you ever have multiple key and you want to login using password you will have this password by default . I was searching how to disable this, but there is no click . So the easy way is to create a shortcut , edit and add to the target this parameter -noagent . After you start the putty using that shortcut , you will have the pageant disabled .

July 14, 2020

redirect to https

Filed under: Linux — Tags: , , , , — admin @ 12:33 pm

I have more versions of redirect

RewriteEngine On
RewriteCond %{SERVER_PORT} 80
RewriteRule ^(.*)$$1 [R,L]

Other version is

#non-www. http to www. https
RewriteCond %{ENV:HTTPS} !on
RewriteCond %{HTTP_HOST} ^(www.)?$
RewriteRule (.*)$1 [R=301,L]

#non-www. https to www. https
RewriteCond %{ENV:HTTPS} on
RewriteCond %{HTTP_HOST} ^$
RewriteRule (.*)$1 [R=301,L]

Other version is

RewriteEngine on

RewriteCond %{HTTPS} off [OR]
RewriteCond %{HTTP_HOST} !^www.
RewriteRule ^{REQUEST_URI} [NC,L,R=301,NE]

Another one :

RewriteEngine On
RewriteCond %{HTTPS} off
RewriteRule ^(.*)$ https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]

June 2, 2020

Change docker root directory by creating a systemd drop-in service file

Filed under: Linux — Tags: , , — admin @ 2:20 pm

 It is possible to change docker root directory by creating a systemd drop-in service file. This is useful when you want images and containers or docker generated files to be located in another partition or drive.

Create drop-in configuration file

  1. Create the systemd directory:
    sudo mkdir /etc/systemd/system/docker.service.d/
  2. Create the docker.service drop-in file:
    sudo nano /etc/systemd/system/docker.service.d/docker.root.conf
  3. Add the following configuration :
ExecStart=/usr/bin/dockerd -g /your/custom/docker/root -H fd://

April 23, 2020

⚠ pngquant pre-build test failed ℹ compiling from source ✔ pngquant pre-build test passed successfully ✖ Error: pngquant failed to build, make sure that libpng-dev is installed

Filed under: Linux — Tags: , , , — admin @ 12:44 pm

I have try today a yarn install but have some error . The fix was to run

apt install -y build-essential gcc make libpng-dev

April 21, 2020

BFD – r-fx network ignore cdir

Filed under: Linux — Tags: , , , , — admin @ 12:46 pm

I personally like the r-fx project with apf / bfd firewall . I am using from long time and is great. One of the feature that is missing is that you can not exclude cdir format from bfd. My workarround was to install the grepcidr package and then on line 137 of /usr/local/bfd/bfd to modify it from

CHKHOST_IGNORE=`cat $file | grep -v “#” | grep -w $ATTACK_HOS`


CHKHOST_IGNORE=`/usr/bin/grepcidr -f $file <(echo $ATTACK_HOST)`

After this you can add x.x.x.x/y format

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