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How to check and verify the status the bond interface.

+1 vote
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How to check and verify the status the bond interface.
posted Feb 15, 2016 by Mohammed Hussain

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+1 vote

I have a problem in that at first all my log files were dated 12-31-1969 and logrotate has:

# more /var/lib/logrotate.status
logrotate state -- version 2
"/var/log/yum.log" 1969-12-31-20:26:1
"/var/named/data/named.run" 1969-12-31-20:26:1
"/var/log/httpd/error_log" 2015-8-27-4:43:1
"/var/log/wtmp" 1969-12-31-20:26:1
"/var/log/chrony/*.log" 2015-8-19-22:0:0
"/var/log/spooler" 1969-12-31-20:26:1
"/var/log/btmp" 1969-12-31-20:26:1
"/var/log/maillog" 1969-12-31-20:26:1
"/var/log/wpa_supplicant.log" 2015-8-19-22:0:0
"/var/log/secure" 1969-12-31-20:26:1
"/var/log/ppp/connect-errors" 2015-8-19-22:0:0
"/var/log/messages" 1969-12-31-20:26:1
"/var/log/cron" 1969-12-31-20:26:1
"/var/log/httpd/access_log" 2015-8-27-4:43:1

How do I get this file rebuilt with the dates currently on the files listed?

0 votes

As far as I know , to check for the amount of installed RAM on my centos server I checked it as:

#more /proc/meminfo

Can you please let me know how can I check for the instantaneous occupied amount of my RAM the similar way the task manager shows it on my Win server?

+1 vote

Is there a way to find out if there any iptables rules set on a machine ?

There are some indirect ways which will not always work; for example, I know that on most hosts, iptables -S will return the following output (when no iptable rules are set)
-P INPUT ACCEPT
-P FORWARD ACCEPT
-P OUTPUT ACCEPT

So you can check whether or not the number of output lines is greater than 3 (as an indication of whether or not iptables rules are set). But there are hosts on which there are more chains then these 3; these chains are set by application/services, even without any iptable rules which are set. And after running iptables -F on these machines, iptables -S will still show more than 3 chains, even that there are no iptables rules set in these chains.

So the question is - is there a way to know whether or not netfilter rules are set on a host, regardless of the number of chains ?

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