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This is one of the key questions many new sys admin ask:
How do I audit file events such as read / write etc? How can I use audit to see who changed a file in Linux?
The answer is to use 2.6 kernel’s audit system. Modern Linux kernel (2.6.x) comes with auditd daemon. It’s responsible for [...]
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Update: Check out new improved domain-check script.
Forgetting to renew your domain name can happen to all of us. According to this post:
Reports are coming in from Germany that Google.de was down for many hours yesterday, and has now gone live again. We’re trying to confirm the reason, but it appears to be because Google forgot [...]
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You can simply monitor your remote system hosted some remote IDC. There may be tons of causes for which system goes out the network.
Understanding ping command
ping is one of the basic and nifty command to test network connection. For example you can send 4 ping request to cyberciti.biz with following command:
$ ping -c 4 cyberciti.biz
$ [...]
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df displays the amount of disk space available on the file system containing each file name argument. If no file name is given, the space available on all currently mounted file systems is shown. Read man page of df if you are new [...]
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I install many packages for Debian / Ubuntu Linux from both stable/testing environment but some time I need to find out installed package is from stable or testing environment. I can use dpkg status file to get this information. But Debian comes with perl script called apt-show-versions which lists available package versions with distribution.
apt-show-versions parses [...]
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Installing software from a source code is common practice in UNIX and Linux world. Some time this is preferred method because it gives all power and flexibility you need to optimize your software such as MySQL, PHP, and Apache etc. However, uninstalling files installed from a source code tar ball is a big headache.
Two [...]
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