Sometimes you may want to disable ping response for many reasons, may be for a security reason… This article explains how do I disable the ping response on Linux ?
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From the category archives:
Security
Under Linux operating system you can use the faillog command to display faillog records or to set login failure limits. faillog command displays the contents of the failure log from /var/log/faillog database file. It also can be used for maintains failure counters and limits. If you run faillog command without arguments, it will display only […]
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By default iptables firewall stores its configuration at /etc/sysconfig/iptables file. Type the following command to see its # cat /etc/sysconfig/iptables
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By default, all the account password expiration in Linux are disabled. There have two method to enable and disable password expiration, one of method by editing /etc/shadow file. Another method is using chage command.
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Save Iptables rules Rules created with the iptables command are stored in memory. If the system is restarted before saving the iptables rule set, all rules are lost. To save netfilter rules, type the following command as root: # /etc/init.d/iptables save
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You can apply kernel updates using “yum” command or “apt-get” command line options. After each upgrade you need to reboot the server. How to skip reboot step and apply hotfixes to kernel without rebooting the server ? What is Ksplice Uptrack? Ksplice Uptrack is a subscription service that lets you apply 100% of the important […]
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