[{"id":382,"title":"Headless Sunucularda \"Undefined Video Mode Number: 314\" Hatas\u0131 ve \u00c7\u00f6z\u00fcm\u00fc","content":"<div id=\"model-response-message-contentr_d798559fd0f9fd1a\" class=\"markdown markdown-main-panel stronger enable-updated-hr-color\" dir=\"ltr\" aria-live=\"polite\" aria-busy=\"false\">\n<p data-path-to-node=\"4\"><img src=\"..\/..\/uploads\/images\/2026\/01\/6967c81244439_1768409106.png\"><\/p>\n<p data-path-to-node=\"5\">Bu yaz\u0131da, seri konsol (Remote Redirection) kullan\u0131rken neden bu hatay\u0131 ald\u0131\u011f\u0131m\u0131z\u0131 ve ad\u0131m ad\u0131m nas\u0131l &ccedil;&ouml;zebilece\u011fimizi inceleyece\u011fiz.<\/p>\n<h2 data-path-to-node=\"6\">Sorun Nedir? Neden 314?<\/h2>\n<p data-path-to-node=\"7\">Debian y&uuml;kleyicisi, varsay\u0131lan olarak kullan\u0131c\u0131ya daha \u015f\u0131k bir aray&uuml;z sunmak i&ccedil;in <strong data-path-to-node=\"7\" data-index-in-node=\"82\">Graphical Install<\/strong> modunda a&ccedil;\u0131lmaya programlanm\u0131\u015ft\u0131r. Linux &ccedil;ekirde\u011fi (Kernel) ba\u015flad\u0131\u011f\u0131nda, ekran kart\u0131na <code data-path-to-node=\"7\" data-index-in-node=\"188\">314<\/code> numaral\u0131 video moduna (genellikle 800x600x16bit &ccedil;&ouml;z&uuml;n&uuml;rl&uuml;k) ge&ccedil;mesini s&ouml;yler.<\/p>\n<p data-path-to-node=\"8\">Ancak ortada fiziksel bir monit&ouml;r yoksa ve siz cihaza <strong data-path-to-node=\"8\" data-index-in-node=\"54\">Putty<\/strong> veya <strong data-path-to-node=\"8\" data-index-in-node=\"65\">TeraTerm<\/strong> gibi bir terminal &uuml;zerinden ba\u011fl\u0131ysan\u0131z, seri port bu grafiksel veriyi aktaramaz. &Ccedil;ekirdek, desteklenmeyen bir video moduna ge&ccedil;meye &ccedil;al\u0131\u015ft\u0131\u011f\u0131nda kilitlenir ve size o me\u015fhur hatay\u0131 verir.<\/p>\n<hr data-path-to-node=\"9\">\n<h2 data-path-to-node=\"10\">Ad\u0131m 1: BIOS Ayarlar\u0131n\u0131 Haz\u0131rlamak<\/h2>\n<p data-path-to-node=\"11\">&Ouml;ncelikle cihaz\u0131n BIOS'u ile terminal yaz\u0131l\u0131m\u0131n\u0131z\u0131n ayn\u0131 dili konu\u015ftu\u011fundan emin olmal\u0131s\u0131n\u0131z. Modern sistemler i&ccedil;in en ideal \"Console Redirection\" ayarlar\u0131 \u015funlard\u0131r:<\/p>\n<ul data-path-to-node=\"12\">\n<li>\n<p data-path-to-node=\"12,0,0\"><strong data-path-to-node=\"12,0,0\" data-index-in-node=\"0\">Terminal Type:<\/strong> <code data-path-to-node=\"12,0,0\" data-index-in-node=\"15\">VT-UTF8<\/code> (Karakter bozulmalar\u0131n\u0131 &ouml;nlemek i&ccedil;in standartt\u0131r).<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"12,1,0\"><strong data-path-to-node=\"12,1,0\" data-index-in-node=\"0\">Bits per second:<\/strong> <code data-path-to-node=\"12,1,0\" data-index-in-node=\"17\">115200<\/code> (H\u0131zl\u0131 ve g&uuml;venilir).<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"12,2,0\"><strong data-path-to-node=\"12,2,0\" data-index-in-node=\"0\">Flow Control:<\/strong> <code data-path-to-node=\"12,2,0\" data-index-in-node=\"14\">None<\/code>.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"12,3,0\"><strong data-path-to-node=\"12,3,0\" data-index-in-node=\"0\">Putty KeyPad:<\/strong> <code data-path-to-node=\"12,3,0\" data-index-in-node=\"14\">Linux<\/code> veya <code data-path-to-node=\"12,3,0\" data-index-in-node=\"25\">SCO<\/code>.<\/p>\n<\/li>\n<\/ul>\n<hr data-path-to-node=\"13\">\n<h2 data-path-to-node=\"14\">Ad\u0131m 2: &Ccedil;ekirde\u011fi (Kernel) \"K&ouml;r\" Modda Ba\u015flatmak<\/h2>\n<p data-path-to-node=\"15\">BIOS ekran\u0131n\u0131 ge&ccedil;ip Debian a&ccedil;\u0131l\u0131\u015f men&uuml;s&uuml;ne geldi\u011finizde <strong data-path-to-node=\"15\" data-index-in-node=\"56\">Graphical Install<\/strong> se&ccedil;ene\u011fini g&ouml;rmezden gelin.<\/p>\n<ol start=\"1\" data-path-to-node=\"16\">\n<li>\n<p data-path-to-node=\"16,0,0\">Ok tu\u015flar\u0131yla <strong data-path-to-node=\"16,0,0\" data-index-in-node=\"14\">Install<\/strong> (Metin tabanl\u0131 kurulum) se&ccedil;ene\u011finin &uuml;zerine gelin.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"16,1,0\"><strong data-path-to-node=\"16,1,0\" data-index-in-node=\"0\">TAB<\/strong> tu\u015funa (veya <code data-path-to-node=\"16,1,0\" data-index-in-node=\"17\">e<\/code> tu\u015funa) basarak &ouml;ny&uuml;kleme parametrelerini d&uuml;zenleyin.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"16,2,0\">Sat\u0131r\u0131n sonundaki <code data-path-to-node=\"16,2,0\" data-index-in-node=\"18\">--- quiet<\/code> k\u0131sm\u0131n\u0131 silin ve yerine tam olarak \u015funu yaz\u0131n<\/p>\n<\/li>\n<\/ol>\n<!----><!----><!----><!----><!----><!----><!---->\n<div class=\"code-block ng-tns-c2721585414-74 ng-animate-disabled ng-trigger ng-trigger-codeBlockRevealAnimation\" data-hveid=\"0\" data-ved=\"0CAAQhtANahcKEwiqgOqIqIuSAxUAAAAAHQAAAAAQWA\">\n<div class=\"code-block-decoration header-formatted gds-title-s ng-tns-c2721585414-74 ng-star-inserted\"><!----><code class=\"code-container formatted ng-tns-c2721585414-74\" role=\"text\" data-test-id=\"code-content\">\/install.amd\/vmlinuz vga=normal initrd=\/install.amd\/initrd.gz console=ttyS0,115200n8 ---&nbsp;<\/code><\/div>\n<!----><\/div>\n<!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!---->\n<h3 data-path-to-node=\"18\">\/install.amd\/vmlinuz vga=normal initrd=\/install.amd\/initrd.gz console=ttyS0,115200n8 ---<\/h3>\n<h3 data-path-to-node=\"18\">Bu parametreler ne anlama geliyor?<\/h3>\n<ul data-path-to-node=\"19\">\n<li>\n<p data-path-to-node=\"19,0,0\"><strong data-path-to-node=\"19,0,0\" data-index-in-node=\"0\">vga=normal:<\/strong> &Ccedil;ekirde\u011fe \"Grafik modlar\u0131n\u0131 unut, standart 80x25 metin modunda kal\" der. 314 hatas\u0131n\u0131 bu komut &ccedil;&ouml;zer.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"19,1,0\"><strong data-path-to-node=\"19,1,0\" data-index-in-node=\"0\">console=ttyS0:<\/strong> Sistemin t&uuml;m &ccedil;\u0131kt\u0131lar\u0131n\u0131 (Input\/Output) birinci seri porta (COM1) y&ouml;nlendirir.<\/p>\n<\/li>\n<\/ul>\n<hr data-path-to-node=\"20\">\n<h2 data-path-to-node=\"21\">Ad\u0131m 3: Kurulum Sonras\u0131 Kal\u0131c\u0131 &Ccedil;&ouml;z&uuml;m<\/h2>\n<p data-path-to-node=\"22\">Kurulumu ba\u015far\u0131yla tamamlad\u0131n\u0131z, ancak cihaz\u0131 her yeniden ba\u015flatt\u0131\u011f\u0131n\u0131zda ayn\u0131 hatay\u0131 almamak i&ccedil;in bu ayarlar\u0131 kal\u0131c\u0131 hale getirmelisiniz.<\/p>\n<p>Sisteme giri\u015f yapt\u0131ktan sonra terminalde \u015fu dosyay\u0131 d&uuml;zenleyin:<\/p>\n<p>sudo nano \/etc\/default\/grub<\/p>\n<p data-path-to-node=\"24\">A\u015fa\u011f\u0131daki sat\u0131rlar\u0131 g&uuml;ncelleyin:<\/p>\n<!----><!----><!----><!----><!----><!----><!---->\n<div class=\"code-block ng-tns-c2721585414-75 ng-animate-disabled ng-trigger ng-trigger-codeBlockRevealAnimation\" data-hveid=\"0\" data-ved=\"0CAAQhtANahcKEwiqgOqIqIuSAxUAAAAAHQAAAAAQWQ\">\n<div class=\"code-block-decoration header-formatted gds-title-s ng-tns-c2721585414-75 ng-star-inserted\"><span class=\"ng-tns-c2721585414-75\">Bash<\/span>\n<div class=\"buttons ng-tns-c2721585414-75 ng-star-inserted\"><button class=\"mdc-icon-button mat-mdc-icon-button mat-mdc-button-base mat-mdc-tooltip-trigger copy-button ng-tns-c2721585414-75 mat-unthemed _mat-animation-noopable ng-star-inserted\" aria-label=\"Kodu kopyala\"><\/button><!----><!----><\/div>\n<!----><\/div>\n<!---->\n<div class=\"formatted-code-block-internal-container ng-tns-c2721585414-75\">\n<div class=\"animated-opacity ng-tns-c2721585414-75\">\n<pre class=\"ng-tns-c2721585414-75\"><code class=\"code-container formatted ng-tns-c2721585414-75\" role=\"text\" data-test-id=\"code-content\">GRUB_CMDLINE_LINUX_DEFAULT=<span class=\"hljs-string\">\"\"<\/span>\nGRUB_CMDLINE_LINUX=<span class=\"hljs-string\">\"console=tty0 console=ttyS0,115200n8\"<\/span>\nGRUB_TERMINAL=<span class=\"hljs-string\">\"console serial\"<\/span>\nGRUB_SERIAL_COMMAND=<span class=\"hljs-string\">\"serial --speed=115200 --unit=0 --word=8 --parity=no --stop=1\"<\/span>\n<\/code><\/pre>\n<!----><\/div>\n<\/div>\n<\/div>\n<!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!----><!---->\n<p>Ard\u0131ndan de\u011fi\u015fikli\u011fi kaydedip \u015fu komutla uygulay\u0131n:<\/p>\n<p>sudo update-grub<\/p>\n<hr data-path-to-node=\"27\">\n<p data-path-to-node=\"29\">Art\u0131k cihaz\u0131n\u0131z\u0131n yan\u0131na bir monit&ouml;r veya klavye ba\u011flaman\u0131za gerek kalmad\u0131. D&uuml;nyan\u0131n &ouml;b&uuml;r ucunda bile olsan\u0131z, seri konsol &uuml;zerinden&nbsp;<strong data-path-to-node=\"29\" data-index-in-node=\"133\">AstroCat NGFW<\/strong> gibi projelerinizi y&ouml;netebilir, sistem loglar\u0131n\u0131 canl\u0131 olarak izleyebilirsiniz.<\/p>\n<p data-path-to-node=\"30\">Unutmay\u0131n; bir firewall projesinde g&ouml;rsellikten ziyade, sistemin eri\u015filebilirli\u011fi ve kararl\u0131l\u0131\u011f\u0131 her zaman &ouml;n plandad\u0131r.<\/p>\n<hr data-path-to-node=\"31\">\n<p data-path-to-node=\"32\"><strong data-path-to-node=\"32\" data-index-in-node=\"0\">Blog yaz\u0131s\u0131 i&ccedil;in ba\u015fka bir g&ouml;rsel veya teknik detay eklememi ister misin?<\/strong><\/p>\n<\/div>","excerpt":"Bir a\u011f g\u00fcvenli\u011fi cihaz\u0131 (Firewall) veya headless (monit\u00f6rs\u00fcz) bir sunucu kurarken, \u00e7o\u011fu zaman cihaz\u0131n seri portu (COM1) \u00fczerinden eri\u015fim sa\u011flar\u0131z. Ancak Debian gibi modern Linux da\u011f\u0131t\u0131mlar\u0131n\u0131 kurarken kar\u015f\u0131m\u0131za \u00e7\u0131kan can s\u0131k\u0131c\u0131 bir hata var:\u00a0\"Undefined video mode number: 314\".","created_at":"2026-01-14 19:45:44","updated_at":"2026-09-07 21:10:41","category_id":10,"view_count":498,"reading_time":3,"status":"published","editor_choice":0,"is_editor_choice":0,"published_at":"2026-01-14 16:45:44","featured_image":"\/uploads\/images\/2026\/01\/6967d04fb378e_1768411215.png","slug":"headless-sunucularda-undefined-video-mode-number-314-hatasi-ve-cozumu","category_name":"nix Linux Unix","category_slug":"nix-linux-unix","category_color":"#2a1952"}]