Dev {Tricks}

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An error has occurred while trying to update the license file | DirectAdmin

*** An error has occurred while trying to update the license file ***

Two possible causes

  1. License expired
  2. Missing part of Hostname SSL certificate.

Solution:

  1. Ensure your server is running an authentic copy of DirectAdmin at https://license.directadmin.com
  2. Install an SSL certificate for your hostname using LetsEncrypt 
    /usr/local/directadmin/scripts/letsencrypt.sh request_single your.hostname.com 4096

That’s it.

You can also redirect non-SSL request to a specific URL. Just do it.

/usr/local/directadmin/directadmin set ssl_redirect_host your.hostname.com
service directadmin restart

 

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The tar command is not available | DirectAdmin

Problem:

  • The tar command is not available. Please correctly configure it in your “config.inc.php”.

There are two possible solutions of the above problem, your path to Tar tool is not correct, or the system can’t access to the path. In my case, I have both problems, so:

Solution One: Fixing the path of Tar

Open your terminal

Type which tar or whereis tar

which tar

or

whereis tar

Then use the path it returns in config.inc.php. For example,

tar = /usr/bin/tar

Still receiving the same error message, follow the second step.

Solution Two:

  1. Login to DirectAdmin admin panel.
  2. Go to “Server Manager > PHP Configuration (or PHP Settings). Select the domain you want to modify and
  3. Select the option “Disable Open Basedir”

Still getting error? Follow next step.

Solution Three:

You may get one of the following issues.

  • The “exec” PHP function has been disabled on your server. Contact your system administrator to enable it.
  • The uploaded plugin archive does not contain a folder that corresponds to the plugin name.

To fix the problems, you have to enable exec() function by deleting from the disable_functions

Go to link How to enable exec()

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How to Resize a Partition using fdisk

Prerequisites

  • Existing partition that you know the name. To check the name, run cat /etc/fstab.
  • The partition you want to resize have to be the last partition on a particular disk.
  • Note that the partition not in use.

Warning

All data will be erased on the partition.

Procedure

Suppose we are re-partitioning /dev/vdb1

  1. Remove the partition from fstab 
    vi /etc/fstab
  2. Unmount the partition 
    umount /dev/vdb1
  3. Run 
    fdisk /dev/vdb1

    Welcome to fdisk (util-linux 2.23.2).

    Changes will remain in memory only, until you decide to write them. Be careful before using the write command.

    Command (m for help):

 

 

 

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8 common errors that you may have after installing CSF Firewall on Linux CentOS server

  1. *WARNING* Binary location for [CHATTR] [/usr/bin/chattr] in /etc/csf/csf.conf is either incorrect, is not installed or is not executableTo solve this problem, we need to install Ext2 Filesystem Utilities package. Run the following command to install the E2fsprogs package. 
    yum install e2fsprogs
  2. Oops Unable to download Protocol scheme ‘https’ is not supported (IOSocketSSL not installed)If CSF failed to update, then this error occurs. To fix this issue run 
    yum install perl-Crypt-SSLeay perl-Net-SSLeay

    Then try updating CSF.

    csf -u
  3. Oops Unable to download Protocol scheme ‘https’ is not supported (LWPProtocolhttps not installed)
  4. Testing ip_tablesiptable_filter…open3 exec of sbiniptables -I OUTPUT -p tcp –dport 9999 -j ACCEPT failed at usrlocalcsfbincsftest.pl line 144.
  5. *WARNING* Binary location for [SENDMAIL] [/usr/sbin/sendmail] in /etc/csf/csf.conf is either incorrect, is not installed or is not executable*
    WARNING* Missing or incorrect binary locations will break csf and lfd functionality
  6. *WARNING* Binary location for [UNZIP] [usrbinunzip] in etccsfcsf.conf is either incorrect, is not installed or is not executable
  7. *WARNING* URLGET set to use LWP but perl module is not installed, reverting to HTTP::Tiny
  8. *WARNING* Binary location for [HOST] [usrbinhost] in etccsfcsf.conf is either incorrect, is not installed or is not executable