Hello, all.
My system is centos 5.x and I would like to set IP based (acl) accessl-list at
snmp verison 3.
As I know, at snmp v1/v2c, we can set acl like below.
-- snmpd.conf
rocommunity public 127.0.0.1
rocommunity public 10.0.0.1/24
rouser testuser
createUser testuser MD5 "
Hello, all.
I want to ask some about ntpd.
I set 'server' directive like below at ntp.conf
server 0.centos.pool.ntp.org
For example, I can see the ntpq result like below.
remote refid st t when poll reach delay offset jitter
===
Hello, all.
I found that so many unnessary queue files are saved at
/var/spool/clientmqueue/ directory.
I tested two way to delete these files.
1.
# rm -rf /var/spool/clientmqueue/*
2.
# cd /var/spool/clientmqueue/ ; find . | xargs rm -fv
But this makes a few load of the system
Hello, all.
I read this document about iptables recent module.
http://blog.andrew.net.au/2005/02/16#ipt_recent_and_ssh_attacks
and I would like to filter the excessive spam mail sending ip address by
iptables recent module.
and some questions.
iptables -A INPUT -p tcp --dport 25 -m state --
Thanks for your answer.
> Not another card, another network device - the one with
> 00:23:5E:12:63:FE as it's ethernet MAC address.
There is no another network device as I know.
Can I check by some command except ifconfig or ip?
# ip link show
1: lo: mtu 16436 qdisc noqueue
link/loopback
ges..
> Date: Thu, 6 Aug 2009 13:58:59 -0500
> From: lesmikes...@gmail.com
> To: centos@centos.org
> Subject: Re: [CentOS] so many arp caches why?
>
> MontyRee wrote:
>>
>> Hello, all.
>>
>>
>> When I execute arp -a -n, there are lots of
imo.schoe...@riscworks.net
> To: centos@centos.org
> Subject: Re: [CentOS] so many arp caches why?
>
> thus nate spake:
>> MontyRee wrote:
>>>
>>> Hello, all.
>>>
>>>
>>> When I execute arp -a -n, there are lots of arp caches like below.
>>>
Hello, all.
When I execute arp -a -n, there are lots of arp caches like below.
Surely, I set netmask and Broadcast without problem and routing table also no
problem.
System is CentOS release 4.7 i386.
I know how to delete the arp cache,
but I don't know why ..
# ifconfig
eth0
Hello, all.
I know the function of the swap and can make swap partion or file.
But, if there is no swap partion at system, what would be happen?
that makes the system unstable or not?
I have one system that has no swap, but there was no problem until now.
Thanks in advance.
Hello, all.
I have deleted some files for mistake.
So I would like to re-install those files using yum install.
But if I execute yum install some_package, that doesn't work,
because some files are remain, I guess.
So is there any yum install option to re-install forcely
when some files are de
Hello, all.
My systems are centos 4.x or 5.x(i386 and x86_64) and various services(apache,
mysql, java, sendmail... etc..).
and I would like to set auto update using yum.
But some staffs didn't agree my auto update plan,
because some services can be effected by auto update.
Thanks for your kind answer.
> Look into the "restrict" commands in ntp.conf to implement security
> policies on NTP. You can find information on how it works on "man
> ntp_acc".
The default restrict config likes below.
restrict default nomodify notrap noquery
If I setup ntpd servic
Hello, all.
I would like to use ntpd for time sync not rdate or ntpdate.
but after installation the ntpd, I found that listened at all interfaces like
below.
udp0 0 192.168.111.2:123 0.0.0.0:*
11528/ntpd
udp0 0 xxx.xxx
hello all.
My system is centos 5.x and there is no module related auditd
there is no process(daemon) related auditd and selinux definately disabled.
But I can see lots of auditd messages like below.
Oct 20 02:01:01 linux kernel: type=1106 audit(1224435661.064:65210): user
pid=25860 uid=0 a
Hello, all.
I have operated centos 4.x and 5.x system.
for 4.x system, I auto update using yum
and for 5.x system, using yum-cron.
but I can't find any yum-cron package (i386) like below.
# yum search yum-cron(at i686, centox 5.3)
Warning: No matches found for: yum-cron
No Matches f
15 matches
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