ln -s /home/folder/shortcut /home/folder/tampilshortcut
Kamis, 25 November 2021
Jumat, 19 November 2021
Cara mengaktifkan Desktop Gnome / GUI di Centos 7
Install Gnome Desktop
Login ke Centos dengan shell dan masukkan password
Rabu, 17 November 2021
mengatasi unable to register authentication agent: GDBus.Error
service dovecot restart
Redirecting to /bin/systemctl restart dovecot.service
** (pkttyagent:4531): WARNING **: 09:45:25.536: Unable to register authentication agent: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: Cannot determine user of subject
Error registering authentication agent: GDBus. Error:org.freedesktop.PolicyKit1.Error.Failed: Cannot determine user of subject (polkit-error-quark, 0)
[ 07:15:26 root@server.gue /var/log]$
Solutions :
mount proc -o remount,hidepid=2 && mount proc -o remount,hidepid=0 && systemctl restart polkit.service
Senin, 15 November 2021
Mengatasi user centos web panel tidak aktif
sudo sh /scripts/cwpsrv_rebuild_user_conf
Kamis, 21 Oktober 2021
Mengatasi LC_ALL Debian 10
export LANGUAGE=en_US.UTF-8
export LC_ALL=en_US.UTF-8
export LANG=en_US.UTF-8
export LC_CTYPE=en_US.UTF-8
Kamis, 09 September 2021
Mengatasi BlackBox (initram) pada sistem operasi debian
ketik command : e2fsck /dev/sdb1 (sdb1 adalah drive sistem)
klik yes sampai proses selesai
Jumat, 03 September 2021
Cara Instalasi Aplikasi EFaktur 3.0 Pada MacOS / Macbook / Macintosh
Cara Instalasi Aplikasi EFaktur 3.0 Pada Mac OS
Aplikasi EFaktur adalah sarana pembuatan faktur pajak melalui aplikasi atau sistem elektronik yang ditentukan dan/atau disediakan oleh DJP. Aplikasi e-Faktur berguna sebagai filter bagi banyaknya kecurangan yang dapat merugikan PKP dan negara. Aplikasi ini dijalankan dengan basis pemrograman java dan pengguna Aplikasi e-Faktur ini adalah Badan Usaha yang sudah menjadi Pengusaha Kena Pajak. adapun data yang dibutuhkan pada aplikasi ini adalah nomor NPWP Badan, Sertifikat Digital, dan Kode Aktifasi yang bisa didapatkan di Kantor Pajak Pratama setempat. Pada kesempatan kali ini, kita akan membahas bagaimana cara menginstal aplikasi ini pada sistem operasi Macintosh.
Langkah yang harus dilakukan adalah sebagai berikut:
1. Download Aplikasi Efaktur Download disini.
2. Download Aplikasi Java Download disini.
Setelah file berhasil di download, lakukan proses installasi aplikasi java jdk terlebih dahulu,
1. lakukan proses instalasi file jre-8u271-macosx-x64.dmg, tunggu sampai proses selesai.
2. buka terminal dan ketikkan perintah "java -version" jika muncul java version "1.8.0_301"
berarti proses instalasi java berhasil.
Langkah selanjutnya yaitu Instalasi aplikasi EFaktur, dengan cara:
1. Setelah Download Aplikasi EFaktur, Extract Filenya di Folder Download.
2. Setup file permission menjadi 755 dengan cara:
- klik kanan folder "EFaktur_Mac64".
- Pilih "Services".
- Pilih "New Terminal At Folder".
3. Jalankan Perintah command ketikkan "sudo -s"tekan enter dan masukkan password kita.
4. buka file "ETaxInvoiceUpd.jar" tunggu hingga proses update selesai.
5. buka file "ETaxInvoiceUpd.jar"dan Aplikasi bisa digunakan.
Demikian cara instalasi aplikasi EFaktur 3.0 pada sistem operasi Macintosh, semoga bermanfaat.
Aplikasi ini di install pada sistem operasi macOS Big Sur.
Sabtu, 28 Agustus 2021
webpage+video.js for HLS RTMP streaming
Senin, 17 Mei 2021
Cara Mengatasi Error "Failed to set locale, defaulting to C" pada Centos 7
Selasa, 27 April 2021
Interkoneksi Jaringan dengan L2TP+IPSec
L2TP lebih �firewall friendly� dibandingkan jenis VPN yang lainnya seperti PPTP. Hal ini sebuah Keuntungan besar jika menggunakan protocol ini, karena kebanyakan Firewall tidak mensupport GRE. Namun untuk L2TP tidak memiliki encripsi sehingga kita memerlukan service tambahan guna menunjang keamanan yang lebih tinggi. Oleh karena itu kita akan memadukan L2TP dengan IPSec.
Konfigurasi 'Step-by-Step' L2TP + IPSec
Untuk implementasi kali ini kita akan mencoba melakukan interkoneksi 2 buah network menggunakan L2TP+IPsec. Katakanlah kita mempunyai topologi jaringan 'Kantor Pusat' dan juga 'Kantor Cabang' dimana letaknya saling berjauhan dan koneksi yang paling mudah dan memungkinkan yaitu via WAN (internet).
Pertama, kita akan melakukan konfigurasi untuk L2TP Server. Untuk mengaktifkan router sebagai L2TP server caranya pun cukup mudah. Pada menu PPP -> Pilih L2TP Server. Maka akan tampak seperti tampilan berikut.
Kita juga bisa menambahkan pada parameter "Route" dengan mengisikan network dari 'Kantor Cabang", sehingga akan ditambahkan rule routing baru secara otomatis.
IPSec untuk L2TP Server
Untuk menambah tingkat keamanan kita akan memadukan L2TP dengan IPSec. Pilih pada menu IP -> IPSec. Kemudian kita akan melakukan setting terlebih dahulu pada tab 'IPsec Proposal'. Pada parameter yang tersedia kita isikan seperti tampilan gambar berikut.
L2TP Client
IPSec untuk L2TP Client
Sebelumnya kita sudah melakukan konfigurasi IPSec untuk L2TP Server. Dan sekarang kita juga akan melakukan konfigurasi untuk sisi L2TP Client. Pada dasarnya parameter yang digunakan antara IPSec baik sisi L2TP Server maupun Client sama, namun kita akan sedikit melakukan perubahan yaitu pada parameter IP Address.
Pada Tab 'IPSec Proposal' tidak ada perbedaan dengan konfigurasi IPsec untuk L2TP Server.
Secara otomatis apabila koneksi L2TP terbentuk akan ditambahkan pada menu /IP Address yaitu kombinasi dari "Local Address' dan "Remote Address" sesuai dengan konfigurasi Secret di L2TP Server sebelumnya. Agar jaringan local dari kedua sisi bisa saling komunikasi kita harus menambhakan rule routing baru. Penambahan rule tersebut harus dilakukan di kedua sisi baik di kantor pusat maupun di kantor cabang. Khusus untuk kantor pusat secara otomatis akan ditambahkan rule routing, karena kita sebelumnya telah menambahkan pada parameter 'Route' di L2TP Server pada konfigurasi Secret. Nah, untuk disisi client kita tambahkan secara manual seperti pada tampilan berikut.
Senin, 22 Februari 2021
Set up localhost on macOS High Sierra (Apache, MySQL, and PHP 7) with SSL/HTTPS
Turn on Apache
- Open Terminal by clicking on the magnifying glass at the top right corner of your screen and searching for Terminal
- Type
sudo apachectl start
and press enter - Open Safari (or your browser of choice), type localhost in the address bar, and press enter
Can’t believe it’s that easy? It is! You should now see It works! in the browser.
Turn on PHP
Mac already comes with PHP, so you don’t need to install it from PHP.net. Before High Sierra (version 10.13), Mac came with PHP 5 installed. This caused users to get annoyed because it didn’t come with PHP 7, so you’d have to go through extra work to upgrade from PHP 5 to PHP 7. Thankfully High Sierra already comes with PHP 7.1!!!
- Open Terminal and type
sudo nano /etc/apache2/httpd.conf
and press enter - Press Ctrl+W which will bring up a search
- Search for php and press enter. You’ll see the following:
- Delete the # from
#LoadModule php7_module libexec/apache2/libphp7.so
- Press Ctrl+O followed by Enter to save the change you just made
- Press Ctrl+X to exit nano
- Type
sudo apachectl restart
and press enter
You just turned PHP 7 on. Great work so far!
Create Sites Folder
- Click on Finder at the bottom left corner of your screen and click on Go > Home the top navigation bar. This will take you to your home directory, which will also be whatever your computer is named; in this case it's david.
- Create a new folder and name it Sites (The Safari icon shown below gets added automatically to the Sites folder as shown below)
- Open your favorite text editor and create a file called index.php with the following code:
<?php
echo "Hello From Sites Folder!";
phpinfo();
?>
- Save index.php in the Sites folder you created
- Go back to Terminal and enter
sudo nano /etc/apache2/httpd.conf
- Press Ctrl+W to bring up search
- Search for Library and press enter. You should see this:
- Replace both occurrences of
/Library/WebServer/Documents
with/Users/david/Sites
(instead of david use your name which can be found at the top of your terminal next to the home icon) - Press Ctrl+O followed by Enter to save these changes
- Press Ctrl+X to exit nano
- Type
sudo apachectl restart
and press enter
Go back to Safari and refresh the localhost page and you’ll see Hello From Sites Folder! with PHP info that shows PHP 7 is being used.
Install MySQL
- Go to https://dev.mysql.com/downloads/mysql
- Scroll down until you see three download buttons and click on the one next to DMG Archive
- Scroll down and click No thanks, just start my download
- Click on the downloaded file, double click the pkg file, and go through the installation which should look like this:
- Once you get to the end of the installation, you’ll see a popup that gives you your MySQL username (root) and password (8hxKsiIh?YMt). Your password will be different. Copy the password to text file (or take a screenshot) and press okay. Do this now, as it will be pain to reset the password if you don't know it.
- Press the Apple logo at the top left of your screen and go to System Preferences
- Click on MySQL and you’ll see that it’s turned off
- Press Start MySQL Server to turn it on and you’ll see:
- Go back to Terminal and type
sudo /usr/local/mysql/bin/mysql -u root -p
- When you press enter it will ask you for your Password. This is the password you use when you login to your Mac
- Then it says Enter Password: which is 8hxKsiIh?YMt for me (you should use the password you copied earlier instead of 8hxKsiIh?YMt). You’ll see this screen:
- Type
ALTER USER 'root'@'localhost' IDENTIFIED BY 'newpassword';
and press enter - Go to https://www.sequelpro.com and download Sequel Pro. This is like phpMyAdmin, but better because it’s a desktop app.
- Go through the installation, open Sequel Pro, and enter 127.0.0.1 for the Host. Enter root for the Username and newpassword for the Password. Press Connect
- Click Choose Database… at the top left followed by Add Database…
- Give it the name mydb and press enter
- Then click the plus sign at the bottom left to create a new table. Name the table mytable and press add
- Click the plus sign right above the word INDEXES and name the field message. Set the type to VARCHAR and give it a length of 200.
- Click on Content at the top.
- Click the plus sign at the bottom (the one to the left of the minus sign)
- Give the new entry an id of 1 and set the message to MySQL works perfectly!
- Open index.php in your Sites folder and change the code to
<?php
$con = new mysqli("127.0.0.1", "root", "newpassword", "mydb");
$message = $con->query("SELECT message FROM myTable")->fetch_object()->message;
$con->close();
echo "$message <br/>";
echo "Hello From Sites Folder!";
phpinfo();
Obviously this example is immune to SQL injection, since there are no user-inputted values. However, if you don’t understand MySQLi prepared statements as well as you’d like, check out this post for an excellent tutorial on how to prevent SQL injection 😉. There's even a PDO version, if you prefer that more.
- Refresh localhost on Safari and you should see:
Great! You now have MySQL working, so you can use localhost to store information in databases.
Make SEO Friendly URLs Work
Instead of going to localhost/profile.php?user=david, it looks nicer when you can go to localhost/profile/david. Let’s make this work by enabling mod_rewrite so you can use RewriteRules.
- Go to Terminal and type
sudo nano /etc/apache2/httpd.conf
followed by pressing enter - Press Ctrl+W, type rewrite, and press enter
- Remove the # in
#LoadModule rewrite_module libexec/apache2/mod_rewrite.so
- Press Ctrl+O followed by Enter to save
- Press Ctrl+X to exit nano
- Type
sudo apachectl restart
Now you can use friendly URLs when you develop using localhost.
Make .htaccess Work
This isn't necessary to make vanity URLs work, but I personally prefer using an .htaccess file, as it allows me version control it.
- Go to Terminal and type
sudo nano /etc/apache2/httpd.conf
followed by pressing enter - Press Ctrl+W, type
AllowOverride controls
, and press enter - Change
AllowOverride None
toAllowOverride All
- Press Ctrl+O followed by Enter to save
- Press Ctrl+X to exit nano
- Type
sudo apachectl restart
Now you can add a .htaccess file in the Sites folder and it will work well.
Turn On SSL/HTTPS
Instead of accessing your website through localhost, you might want to access your website by going to https://localhost. If you turn on SSL, you’ll see a padlock next to localhost in the URL bar.
- Go to Terminal and type
sudo nano /etc/apache2/httpd.conf
followed by pressing enter - Press Ctrl+W, type socache_shmcb_module, and press enter
- Delete the # from
#LoadModule socache_shmcb_module libexec/apache2/mod_socache_shmcb.so
- Press Ctrl+W, type mod_ssl, and press enter
- Delete the # from
#LoadModule ssl_module libexec/apache2/mod_ssl.so
- Press Ctrl+W, type httpd-ssl, and press enter
- Delete the # from
#Include /private/etc/apache2/extra/httpd-ssl.conf
- Press Ctrl+O followed by Enter to save
- Press Ctrl+X to exit nano
- Type
sudo nano /etc/apache2/extra/httpd-ssl.conf
and press enter - Press Ctrl+W, type ServerName, and press enter
- Replace www.example.com:443 with localhost
- Right above you’ll see
/Library/WebServer/Documents
. Replace that with/Users/david/Sites
. (Use your name instead of david just like you did earlier) - Right underneath
<VirtualHost_default_:443>
add (but make sure to replace david with your name):
<Directory "/Users/david/Sites">
Options All
MultiviewsMatch Any
AllowOverride All
Require all granted
</Directory>
- Your terminal should now look like this:
- Press Ctrl+O followed by Enter to save
- Press Ctrl+X to exit nano
- Type
sudo nano /etc/ssl/openssl.cnf
and press enter - At the bottom of openssl.cnf add this:
[ san ]
subjectAltName = DNS:localhost
- Your terminal should look like this:
- Press Ctrl+O followed by Enter to save
- Press Ctrl+X to exit nano
- Type
sudo openssl req -extensions san -config /etc/ssl/openssl.cnf -x509 -nodes -newkey rsa:4096 -keyout /private/etc/apache2/server.key -out /private/etc/apache2/server.crt -days 365 -subj "/C=US/ST=Florida/L=Boca Raton/O=WebsiteBeaver/CN=localhost"
and press enter. (You can use your information instead, but don’t change localhost)
- Type
sudo security add-trusted-cert -d -r trustRoot -k /Library/Keychains/System.keychain /private/etc/apache2/server.crt
and press enter
- Type
sudo apachectl
restart - Now go to https://localhost in your browser, and you’ll see a padlock next to the url which means you’re done setting up SSL!