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================================================================ Edited /etc/gdm/custom.conf file and added the foolowing entries: [xdmcp] Enable=true
[security] DisallowTCP=false AllowRemoteRoot=true
Rebooted RHEL7.
On the X server, tried XDMCP connection to RHEL7 host, got back message: "Oh no! Something has gone wrong. A problem has occurred and the system can't recover. Please log out and try again."
Thank you for your attention.
====================================================================================
redhat Enterprise Linux(RHEL) 7.3, 7.2, 7.1, 7.0¿¡¼ XDMCP Á¢¼ÓÀ» À§ÇÑ ¾È³»ÀÔ´Ï´Ù.
RHEL 7ÀÇ ±âº» »ç¿ëÀÚ È¯°æÀÎ GnomeÀº ±×·¡ÇÈ ·»´õ¸µÀ» À§ÇØ Çϵå¿þ¾î¸¦ Á÷Á¢ »ç¿ëÇÕ´Ï´Ù. ±×·¡¼ Xmanager¿Í °°ÀÌ ¿ø°Ý¿¡¼ Á¢¼ÓÇÏ´Â °æ¿ì¿¡´Â »ç¿ëÀÚ È¯°æ¿¡ Á¢¼ÓÇÏÁö ¸øÇϰųª Á¢¼ÓÀ» ÇÏ´õ¶óµµ ¸Å¿ì ´À¸³´Ï´Ù.
±×·¯¹Ç·Î RHEL 7À» »ç¿ëÇÒ °æ¿ì¿¡´Â Gnome »ç¿ëÀÚ È¯°æ°ú XDMCP µ¥¸óÀÎ gdmÀ» »ç¿ëÇÒ ¼ö ¾ø°í ´Ù¸¥ XDMCP µ¥¸ó°ú ´Ù¸¥ »ç¿ëÀÚ È¯°æÀ» »ç¿ëÇØ¾ß ÇÕ´Ï´Ù.
´ÙÀ½Àº XDMCP µ¥¸óÀ¸·Î gdmÀÌ ¾Æ´Ñ lightdmÀ», Gnome »ç¿ëÀÚ È¯°æ ´ë½Å Xfce³ª KDE¸¦ ¼³Ä¡ÇÏ°í »ç¿ëÇÏ´Â ¹æ¹ý¿¡ ´ëÇÑ ¾È³»ÀÔ´Ï´Ù. ÀÎÅÍ³Ý Á¢¼Ó ¿©ºÎ µî ½ÇÁ¦ »ç¿ë ȯ°æ°ú ´Ù¼Ò Â÷ÀÌ°¡ ÀÖÀ» ¼ö ÀÖÀ¸¸ç ´ÙÀ½ ¾È³»¿¡ µû¶ó º¯°æÇÑ ½Ã½ºÅÛ¿¡¼ »ý±â´Â ¹®Á¦¿¡ ´ëÇؼ´Â ÀüÀûÀ¸·Î »ç¿ëÀÚ¿¡°Ô ÀÖ½À´Ï´Ù.
´ÙÀ½Àº ¸ðµÎ rootÀÇ ±ÇÇÑÀ¸·Î ÁøÇàÇÕ´Ï´Ù.
XDMCP µ¥¸ó ±³Ã¼ : gdm -> lightdm
1. lightdm ¼³Ä¡
ÀúÀå¼Ò Á¤º¸ ¼³Ä¡
# yum install http://download.netsarang.co.kr/files/etc/epel-release-7-0.2.noarch.rpm
# yum install lightdm
2. lightdm ¼³Á¤
# vi /etc/lightdm/lightdm.conf
(ÆÄÀÏÀÌ ¾ø´Â °æ¿ì »õ·Î »ý¼ºÇÕ´Ï´Ù.)
À§ ÆÄÀÏ¿¡¼ ´ÙÀ½°ú °°ÀÌ µÇµµ·Ï ¼öÁ¤ÇÕ´Ï´Ù.
[XDMCPServer] enabled=true
3. ±âº» Display ManagerÀÎ gdm ÇØÁö ¹× ÁßÁö
# systemctl disable gdm ; systemctl stop gdm
4. »õ Display Manager·Î¼ lightdm ÁöÁ¤ ¹× ½Ãµ¿
# systemctl enable lightdm; systemctl start lightdm
5. ¹æȺ® ÇØÁ¦(¹æȺ® ±ÔÄ¢¿¡¼ UDP 177¹ø µî·Ï¿¡ ´ëÇÑ ³»¿ëÀº ÇØ´ç OSÀÇ »ç¿ëÀÚ ¸Å´º¾óÀ» Âü°íÇϼ¼¿ä)
# systemctl stop firewalld.service
¸µÅ© https://www.netsarang.co.kr/faq/xmanager/11910
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