{"id":1225,"date":"2019-11-08T01:19:54","date_gmt":"2019-11-07T18:19:54","guid":{"rendered":"https:\/\/www.linuxid.net\/post\/?p=1225"},"modified":"2025-04-18T15:21:34","modified_gmt":"2025-04-18T08:21:34","slug":"3-cara-mudah-mengubah-hostname-di-centos-8","status":"publish","type":"post","link":"https:\/\/www.linuxid.net\/post\/3-cara-mudah-mengubah-hostname-di-centos-8\/","title":{"rendered":"3 Cara Mudah Mengubah Hostname di CentOS 8"},"content":{"rendered":"<p>Secara default, hostname sistem diatur selama proses instalasi, atau jika Anda membuat virtual machine secara dinamis akan dibuat dan di tempatkan ke instance saat startup, tetapi ada situasi ketika Anda perlu mengubahnya.<\/p>\n<p>Tutorial ini akan memandu Anda melalui proses mengubah hostname di CentOS 8 tanpa perlu me-restart sistem. Instruksi ini harusnya bekerja pada setiap distribusi Linux modern yang menggunakan systemd.<\/p>\n<h2>Prasyarat<\/h2>\n<p>Sebelum melanjutkan dengan tutorial ini, pastikan Anda masuk sebagai user dengan hak istimewa <a href=\"https:\/\/www.linuxid.net\/post\/cara-membuat-user-sudo-di-centos\/\">sudo<\/a>.<\/p>\n<h2>Memahami Apa Itu Hostname<\/h2>\n<p>Hostname\u00a0 adalah label yang mengidentifikasi perangkat di suatu jaringan. Anda tidak boleh memiliki dua mesin atau lebih dengan hostname yang sama di jaringan yang sama.<\/p>\n<p>Ada tiga kelas <code>hostname<\/code>\u00a0yang sering digunakan : <code>static<\/code>,\u00a0<code>pretty<\/code>, dan\u00a0<code>transient<\/code>.<\/p>\n<ul>\n<li><code>static<\/code>\u00a0\u2013 Hostname tradisional. Pengaturan hostname ini disimpan dalam file\u00a0<code>\/etc\/hostname<\/code>.<\/li>\n<li><code>pretty<\/code>\u00a0\u2013 hostname dalam bentuk UTF8 yang digunakan untuk mempresentasikan kepada user. Sebagai Contoh,\u00a0<code>Kitchen's desktop<\/code>, <code>Roni's-desktop<\/code>.<\/li>\n<li><code>transient<\/code>\u00a0\u2013 Hostname dinamis yang diatur atau diberikan oleh kernel. Server DHCP atau mDNS dapat mengubah hostname <code>transient<\/code> (sementara) saat run time. Secara default, <code>transient<\/code> sama dengan hostname <code>static<\/code>.<\/li>\n<\/ul>\n<p>Untuk webserver, sangat disarankan untuk menggunakan nama domain yang sepenuhnya memenuhi syarat (<a href=\"https:\/\/kb.iu.edu\/d\/aiuv\" target=\"_blank\" rel=\"noopener\">FQDN<\/a>) untuk nama static dan transient\u00a0seperti <code>host.example.com<\/code>.<\/p>\n<h2>Menampilkan Nama Host Saat Ini<\/h2>\n<p>Untuk melihat nama host saat ini, jalankan perintah berikut:<\/p>\n<pre>hostnamectl<\/pre>\n<p><a href=\"https:\/\/www.linuxid.net\/assets\/media\/centos\/31942\/centos-8-hostnamectl.jpg\"><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-large wp-image-32254\" src=\"https:\/\/www.linuxid.net\/assets\/media\/centos\/31942\/centos-8-hostnamectl-750x221.jpg\" alt=\"centos 8 hostnamectl\" width=\"696\" height=\"205\"\/><\/a><br \/>Dalam contoh ini,\u00a0saat ini adalah\u00a0<code>centos8.localdomain<\/code>.<\/p>\n<h2>Cara Mengubah Hostname<\/h2>\n<h3>Metode 1: Menggunakan Perinah\u00a0<code>hostnamectl<\/code><\/h3>\n<p>Di CentOS 8 dan semua distribusi Linux lainnya yang menggunakan systemd, Anda dapat mengubah hostname sistem dan pengaturan terkait dengan perintah <code>hostnamectl<\/code>. Sintaksnya adalah sebagai berikut:<\/p>\n<pre>sudo hostnamectl set-hostname host.example.com&#13;\nsudo hostnamectl set-hostname \"PC Saya Keren\" --pretty&#13;\nsudo hostnamectl set-hostname host.example.com --static&#13;\nsudo hostnamectl set-hostname host.example.com --transient&#13;\n<\/pre>\n<p>Misalnya, untuk mengubah hostname static menjadi\u00a0<code>host.linuxid.net<\/code>, gunakan perintah berikut:<\/p>\n<pre>sudo hostnamectl set-hostname <code>host.linuxid.net<\/code><\/pre>\n<p>Untuk set ke pretty hostname, Semisal <code>Komputer Budi<\/code>, gunakan perintah berikut:<\/p>\n<pre>sudo hostnamectl set-hostname \"Komputer Budi\" --pretty<\/pre>\n<p>Ketika menggunakan Perintah <code>hostnamectl<\/code>, perintah tidak menghasilkan output. Namun jika gagal akan keluar pesan error.<\/p>\n<p>Untuk memverifikasi bahwa hostname berhasil diubah, gunakan perintah <code>hostnamectl<\/code>\u00a0di layar terminal Anda.<\/p>\n<h3>Metode 2: Menggunakan Perintah\u00a0<code>nmtui<\/code><\/h3>\n<p><code>nmtui<\/code>\u00a0adalah sebuah tool untuk berinteraksi dengan NetworkManager. Namun tool ini juga dapat digunakan untuk mengubah hostname.<\/p>\n<p>Jalankan tool ini\u00a0dengan mengetik namanya di terminal dengan perintah <a href=\"https:\/\/www.linuxid.net\/post\/pengertian-perintah-sudo-di-linux\/\"><code>sudo<\/code><\/a><\/p>\n<pre>sudo nmtui<\/pre>\n<p>Gunakan tombol panah untuk bernavigasi melalui opsi, pilih <code>Set system hostname<\/code> dan tekan <code>Enter<\/code>:<\/p>\n<p>setelah selesai, restart layanan\u00a0<code>systemd-hostnamed<\/code>\u00a0agar perubahan dapat diterapkan dengan perintah berikut :<\/p>\n<pre>sudo systemctl restart systemd-hostnamed<\/pre>\n<h3>Metode 3: Menggunakan perintah\u00a0<code>nmcli<\/code><\/h3>\n<p>nmcli adalah alat baris perintah untuk mengontrol NetworkManager dan juga dapat digunakan untuk mengubah hostname sistem.<\/p>\n<p>Untuk melihat hostname saat ini, ketik:<\/p>\n<pre>sudo nmcli g hostname<\/pre>\n<p>Misal untuk mengubah hostname menjadi host.linuxid.net, gunakan perintah berikut:<\/p>\n<pre>sudo nmcli g hostname host.linuxid.net<\/pre>\n<p>Agar perubahan diterapkan, restart layanan <code>systemd-hostnamed<\/code>:<\/p>\n<pre>sudo systemctl restart systemd-hostnamed<\/pre>\n<h2>Kesimpulan<\/h2>\n<p>Untuk mengatur atau mengubah hostname pada sistem CentOS, gunakan perintah <code>hostnamectl set-hostname<\/code> diikuti dengan nama yang anda tentukan.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Secara default, hostname sistem diatur selama proses instalasi, atau jika Anda membuat virtual machine secara&hellip;<\/p>\n","protected":false},"author":2,"featured_media":1226,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[15,111,71,72,24],"class_list":["post-1225","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-centos","tag-centos","tag-centos-8","tag-file-system","tag-linux-terminal","tag-virtualization"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.7 - 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