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Old 04-23-2015, 08:40 AM   #1
Registered: Dec 2014
Posts: 82

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How to disable boot messages to be printed on screen during boot up

hello all,
i am using Centos 6. i want to disable boot log messages at the time of boot-up even after pressing any key like.. Esc,Alt+d,any arrow keys..

i tried to disable keys by using the command:
xmodmap -e "remove Escape = Escape" and all...
but its not working.
what should i do?? boot messages like this:

iptables: Applying firewall rules: [ OK ]
Bringing up loopback interface: [ OK ]
Bringing up interface eth0:
Determining IP information for eth0... done.
[ OK ]
Starting system logger: [ OK ]
Starting system message bus: [ OK ]
Retrigger failed udev events[ OK ]
Starting snmpd: netlink: 12 bytes leftover after parsing attributes.
[ OK ]
Starting snmptrapd: [ OK ]
Starting sshd: [ OK ]
Starting mysqld: [ OK ]
Starting Dovecot Imap: [ OK ]
Starting postfix: [ OK ]
Starting mailgraph: [ OK ]
Starting httpd: [ OK ]
Starting crond: [ OK ]
Starting squid: .[ OK ]
Starting fail2ban: [ OK ]
Starting atd: [ OK ]
Old 04-23-2015, 10:17 AM   #2
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Didn't understand your meaning?. Kernel boot messages can be disabled using 'quiet=1' kernel parameter in grub config.
Old 04-23-2015, 10:42 AM   #3
Registered: Dec 2014
Posts: 82

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what i mean to say is,the end user should be unable to see the services/boot log messages during boot-up. if the administrator wants to see the messages, then he should be able to see by pressing combo keys which he would be assigning to view the services

i also added quiet=1 and tested it.
but still after pressing the keys (arrows,esc,alt+d), it shows the boot messages.

thank u for the reply
Old 04-24-2015, 06:41 PM   #4
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I don't understand your problem. The keys you indicate ARE the "combo keys".
Old 07-08-2015, 06:07 AM   #5
Registered: Dec 2014
Posts: 82

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permanently disable keys.. even after pressing any keys


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