Author: Julian's

Zimbra reports “ Error: Queue report unavailable – mail system is down ” We can find that it does not starts correctly the service postfix MTA. But the system shows that everything is working properly: [zimbra@mail]$ zmcontrol status Host mail.ttdconline.com amavis Running antispam Running antivirus Running ldap Running logger Running…

#Login as root sudo su #create jdk directory mkdir /opt/jdk #uncompress, change to your file name tar -zxf jdk-8u5-linux-x64.tar.gz -C /opt/jdk #check if files are there #ls /opt/jdk #update alternatives so the command java point to the new jdk update-alternatives --install /usr/bin/java java /opt/jdk/jdk1.8.0_05/bin/java 100 #update alternatives so the command…

The Java Network Launch Protocol (JNLP) is a protocol which enables an application to be launched on a client desktop by using resources that are hosted on a remote web server. Java Plug-in software and Java Web Start software are considered JNLP clients because they can launch remotely hosted applets…

Internet Control Message Protocol (ICMP) adalah salah satu protokol inti dari keluarga protokol internet. ICMP utamanya digunakan oleh sistem operasi komputer jaringan untuk mengirim pesan kesalahan yang menyatakan, sebagai contoh, bahwa komputer tujuan tidak bisa dijangkau. ICMP berbeda tujuan dengan TCP dan UDP dalam hal ICMP tidak digunakan secara langsung oleh aplikasi jaringan milik pengguna. salah satu pengecualian adalah…

Replikasi MySQL (MySQL Replication) memungkinkan kita membuat salinan dari database secara realtime dari database master ke slave. Tujuan utama replikasi database adalah untuk melakukan backup dari database master, penggunakan database replikasi sangat bermanfaat jika kita melakukan analisa database, karena kita tidak perlu menyentuh database master secara langsung, sehingga jika terjadi…

In this post I will share a recovery scenario of a MySQL database restore from the binary logs. Recently someone accidentally dropped an important MySQL database and the backup was not present! As we know the the binary log contains DMLs to table data and that’s where our hope lies.…

Login menggunakan single user mode Masuk ke shell dan ketik root mount partisi root, jika Device busy You have to remount / rw, try mount -uw / from the command line prompt you get when you are in single user mode, then use vi /etc/fstab or /rescue/vi /etc/fstab if the…

Let’s assume the system panics again with the same error message. If you were lucky enough you even saw which directory was last accessed before the panic. This may be valuable to know if you run some certain type of application and could reveal yet unknown application errors or even…

User tidak dapat login via Zimbra Web Client dan mendapatkan error “A Network Service Error has Occured” seperti gambar berikut. Issue ini terjadi setelah proses upgrade versi zimbra dari 8.0.9 ke 8.6. Dan issue ini pun bisa di bilang rada aneh. Pada saat error terjadi, dicoba lagi beberapa menit, misalkan…

Berikut cara mengatasi error cookies saat login ke wordpress. Tambah script dibawah ini pada file Function.php yang berada di themes wordpress yang aktif : setcookie(TEST_COOKIE, 'WP Cookie check', 0, COOKIEPATH, COOKIE_DOMAIN); if ( SITECOOKIEPATH != COOKIEPATH ) setcookie(TEST_COOKIE, 'WP Cookie check', 0, SITECOOKIEPATH, COOKIE_DOMAIN); Source : https://wordpress.org/support/topic/cookie-error-when-logging-in/page/2/

Solved error install or update , message error pkg: repository meta /var/db/pkg/FreeBSD.meta has wrong version 2 .Freebsd 11 Updating FreeBSD repository catalogue…pkg: repository meta /var/db/pkg/FreeBSD.meta has wrong version 2pkg: Repository FreeBSD load error: meta cannot be loaded No error: 0Fetching meta.txz: 100% 916 B 0.9kB/s 00:01pkg: repository meta /var/db/pkg/FreeBSD.meta has…

How do I find out RAM size or memory size installed in my FreeBSD server? How do I display amount of free and used memory in the system powered by FreeBSD? How do I find out how much RAM is installed on a FreeBSD 9/10/11/12/3 server? To displays the total…