Dev {Tricks}

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Convert your old router to wifi repeater (Range Extender)

  • How to use old router as a repeater.
  • How to extend wifi range with old (second) router.
  • How to connect two router in one home network.
  • How to convert tp link router to repeater.

The same method, you can apply to any other wifi router.

All steps are in OLD router. You just have to connect old router to new with cable, and old router to PC with cable.

At first, you may have to reset the router to its default state, if required.

  • Plug in the router
  • Take a pin
  • Put the pin in the tiny hole behind the router
  • Press and hold for 10 seconds (all signal light will be on at a time)

1. Login to your router using default username and password.

http://192.168.0.1/

By default TP-Link user and password is “admin”

2. Go to Wireless > Wireless Settings and name your Wireless Network.

  • Enable WDS Bridging
  • Servey for your primary device
  • A new window will be opened and you can find your primary device.
  • Connect it.
  • It will fill up some fields automatically.
  • Now seclect Key type:
    WPA-PSK/WPA2-PSK
  • Enter your password of primary device.
  • Save

3. Then go to Wireless > Wireless Security

  • Check this option and enter password for new extender.
    WPA/WPA2 – Personal(Recommended)
  • Save.

4. Now go to DHCP > DHCP Settings and

  • Disable DHCP Server.
  • Save

5. Now click on Network > LAN and change the IP Address to your choice.

  • For example: 192.168.0.9
  • Save
  • Modification of IP address or Subnet Mask will result in the rebooting of the Device, OK?
  • It will reboot your device

Done!

 

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How To Schedule Automatic Shut Down In Windows 10

  • Create a shutdown timer for Windows
  • Put a shutdown timer on your Windows desktop with this command
  • Create a shutdown timer shortcut
  • Automatic shutdown in Windows 10

Method 1: Auto Shutdown via Run

  • Press the “Window + R” key to open the RUN window.
  • Type “shutdown -s -t ” and press Enter Key. 
    shutdown -s -t 300

    This will shutdown PC automatically after 5 minutes.

Method 2: Auto Shutdown via Command Prompt

  • Open Command Prompt
  • Type “shutdown -s -t ” and press Enter Key. 
    shutdown -s -t 600

    This will shutdown PC automatically after 10 minutes.

Method 3: Auto Shutdown via Task Scheduler

  • Open Start and Search for Task Scheduler and then press enter to open Task Scheduler
  • Now click on the “Create Basic Task” from the Action options
  • Name the Task such as “Shutdown PC” and click next
  • Choose start time and click next
  • Set the Start date and time of the task and click Next
  • Select “Start a program” option from a various actions list and then click on the “Next” button
  • Click on Browse Button and choose “shutdown.exe” from C/Windows/System32
  • Enter “-s” as the argument and click on the “Next” button to proceed
  • Click Finish Button to complete the task
  • That’s All.

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Disk Usage Quota

https://help.directadmin.com/item.php?id=42

 

Cannot open quotafile /home1/aquota.user: No such file or directory
repquota: Not all specified mountpoints are using quota.

https://forums.centos.org/viewtopic.php?t=50869
touch /home1/aquota.user
touch /home1/aquota.group
mount -vo remount /home1
quotacheck -vgum /home1

 

apache_public_html=0

home_override_list=/home:/home2:/home3

/etc/default/useradd
HOME=/home

 

Unable to open ./data/users/new/du_breakdown.list for reading. No such file or directory

 

To check whether quota package is installed or not

rpm –qa quota
or
yum list quota

Disk quota configuration in four steps

Enable quota
Remount file system
Create quota files
Configure quota policy

Enabling quota

To mount all partitions in file system at boot time, linux uses /etc/fstab file. This file contains six necessary information about the partition.

  1. What to mount: /dev/sda1 or UUID or device label
  2. Where to mount: / or /boot or /home or swap
  3. File system: xfs or swap or ext4
  4. Options: defaults, usrquota, grpquota
  5. Dump support: 0 or 1
  6. Automatic check:

vi /etc/fstab

Add defaults,usrquota,grpquota in option four. Save and restart system.

Remounting file system

mount –o remount /home

 

 

cat /etc/fstab
df -h
mount
/usr/local/directadmin/directadmin c | grep quota_partition
/usr/local/directadmin/directadmin c | grep use_xfs_quota
repquota `/usr/local/directadmin/directadmin c | grep quota_partition= | cut -d= -f2`
ls -lad /home/tmp
ls -la /home/tmp

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How to use multiple php version in single XAMPP installation

  1. Install latest xampp
  2. Check installed php version
  3. Download desired php versions
  4. In my case, I will add php5.6 version
  5. Make a folder in xampp root for php5.6 php. For example, php5_6
  6. Copy downloaded php5.6 files and folders to php5_6
  7. Open php.ini in php5_6 folder. (if php.ini not exist, rename php.ini-production to php.ini)
  8. Find and uncomment following lines
    extension_dir = “ext”

    extension=php_bz2.dll
    extension=php_curl.dll
    extension=php_fileinfo.dll
    extension=php_gd2.dll
    extension=php_gettext.dll
    ;extension=php_gmp.dll
    ;extension=php_intl.dll
    ;extension=php_imap.dll
    ;extension=php_interbase.dll
    ;extension=php_ldap.dll
    extension=php_mbstring.dll
    extension=php_exif.dll ; Must be after mbstring as it depends on it
    extension=php_mysql.dll
    extension=php_mysqli.dll
    ;extension=php_oci8_12c.dll ; Use with Oracle Database 12c Instant Client
    ;extension=php_openssl.dll
    ;extension=php_pdo_firebird.dll
    extension=php_pdo_mysql.dll
    ;extension=php_pdo_oci.dll
    ;extension=php_pdo_odbc.dll
    extension=php_pdo_pgsql.dll
    extension=php_pdo_sqlite.dll
    ;extension=php_pgsql.dll
    ;extension=php_shmop.dll

  9. Open httpd_xampp.conf and add following. Please check your xampp php path and add desired listen port. Here Listen port is 8056.
    ScriptAlias /php5_6/ “C:/xampp/php5_6/”
    <Directory “C:/xampp/php5_6”>
    AllowOverride None
    Options None
    Require all denied
    <Files “php-cgi.exe”>
    Require all granted
    </Files>
    </Directory>

    Listen 8056
    <VirtualHost *:8056>
    UnsetEnv PHPRC
    <FilesMatch “\.php$”>
    php_flag engine off
    SetHandler application/x-httpd-php5_6
    Action application/x-httpd-php5_6 “/php5_6/php-cgi.exe”
    </FilesMatch>
    </VirtualHost>

  10. Check whether the port work with php versions
    http://localhost/dashboard/phpinfo.php
    http://localhost:8056/dashboard/phpinfo.php