{"id":547,"date":"2009-12-31T14:46:24","date_gmt":"2009-12-31T12:46:24","guid":{"rendered":"http:\/\/www.netexpertise.eu\/en\/?p=547"},"modified":"2021-10-06T20:34:58","modified_gmt":"2021-10-06T18:34:58","slug":"linux-hp-ilo-interface","status":"publish","type":"post","link":"http:\/\/www.netexpertise.eu\/en\/systems\/linux\/linux-hp-ilo-interface.html","title":{"rendered":"Linux Remote Console from HP iLO Interface"},"content":{"rendered":"\n<p>iLO is a management interface supporting SSH, available on <a href=\"http:\/\/www.hp.com\" target=\"_blank\" rel=\"noreferrer noopener\">HP<\/a> Proliant servers. It provides interesting features such as remotely powering the server on and off.<br>But it is also possible to access <a href=\"\/en\/category\/systems\/linux\">Linux<\/a> iLO remote console and reboot in single mode from a remote network. How handy is that!?<br>&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Enable Serial Console in BIOS<\/h3>\n\n\n\n<p>While booting up, press F9 to go in the BIOS Setup<br>Go in &#8216;BIOS Serial Console &amp; EMS&#8217; menu<br>Set &#8216;BIOS Serial Console Port&#8217; to COM2<br>Set &#8216;BIOS Serial Console Baud Rate&#8217; to 115200<br>Press ESC then F10 to save<br>Selecting COM1 only redirects the output on to the screen in the slow serial mode fashion.<br>&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Configure iLO<\/h3>\n\n\n\n<p>Right after BIOS messages have disappeared, press F8 to configure iLO.<br>Set the iLO parameters that suit your network and fill in user details.<br>&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Linux Boot loader<\/h3>\n\n\n\n<p>We now need to send kernel messages to the serial interface in Grub, the boot loader. Once Linux installed, edit \/boot\/grub\/menu.lst or \/boot\/grub\/grub.conf<br>And add the following lines:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"vim\" class=\"language-vim\"># Setup serial (COM2) with baudrate 115200\n# Use --unit=0 for COM1\nserial --unit=1 --speed=115200\nterminal --timeout=5 console serial<\/code><\/pre>\n\n\n\n<p><br>And add console=tty0 (screen) console=ttyS1 (ttyS0 for COM1) to the kernel line.<br>Here is my grub.conf file for instance:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"vim\" class=\"language-vim\">splashimage=(hd0,0)\/grub\/splash.xpm.gz\nserial --unit=1 --speed=115200\nterminal --timeout=5 console serial\ntitle Red Hat Enterprise Linux Server (2.6.18-164.el5PAE)\n        root (hd0,0)\n        kernel \/vmlinuz-2.6.18-164.el5PAE ro root=\/dev\/system\/root\n        console=tty0 console=ttyS1\n        initrd \/initrd-2.6.18-164.el5PAE.img<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><br>Init Files<\/h3>\n\n\n\n<p>This is normally it. On some systems, you may have to add the following line to \/etc\/inittab to get the login prompt on the console:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"vim\" class=\"language-vim\">s0:12345:respawn:\/sbin\/agetty -L 115200 ttyS1 vt100<\/code><\/pre>\n\n\n\n<p>&nbsp;<br>Also check ttyS1 is listed in \/etc\/securetty if you want to log in as root.<br>Now you should have access to your Linux server through iLO remote console.<br>&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Notes<\/h3>\n\n\n\n<p>F9 or F8 keys have to be switched with ESC+9 and ESC+8. They will lead you to the CLI mode, a command-prompted interface that provides equivalent functionality to the menu-based mode. Check HP for the <a href=\"http:\/\/h20000.www2.hp.com\/bc\/docs\/support\/SupportManual\/c00191707\/c00191707.pdf\">RBSU user guide<\/a>.<br>\u00a0<br>Now, SSH to your iLO IP address, log in and type &#8216;power on&#8217; to boot the server.<br>Type in &#8216;vsp&#8217; to open the virtual console and you&#8217;ll get BIOS messages, Grub menu, Linux boot messages including services, and the login prompt on the display!<br><br>You can also configure HP <a href=\"\/en\/systems\/windows\/hp-ilo-console.html\">iLo console on Windows<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>iLO is a management interface supporting SSH, available on HP Proliant servers. It provides interesting features such as remotely powering the server on and off.But it is also possible to access Linux iLO remote console and reboot in single mode from a remote network. How handy is that!?&nbsp; Enable Serial Console in BIOS While booting [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"categories":[11,150],"tags":[285,283,284,386],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.8.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Netexpertise - Linux Remote Console from HP iLO Interface<\/title>\n<meta name=\"description\" content=\"Configure Linux remote console and get access to your system through dedicated HP iLO management interface\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/www.netexpertise.eu\/en\/systems\/linux\/linux-hp-ilo-interface.html\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Netexpertise - 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