Disk Usage Monitoring tools are capable of alerting us when a given threshold is reached. But they don’t have the ingenuity to fix the disk usage problem on their own. Manual intervention is needed...
The Linux Top command is the best and most well known command that everyone uses to monitor Linux system performance. You probably already know most of the options available, except for a few options,...
For some purposes you may need to collect the Linux system uptime report once a month. If so, you can use one of the following bash scripts based on your requirements. Why should we...
We may need to perform some commands on the remote machine. To do so, log in to a remote system and do it, if it’s once in a while. But every time you do...
You may have the opportunity to create or remove symbolic links on Linux. If yes, do you know how to do it? Have you already done that? Are you aware of that? If yes...
When you are working on text files you may need to find and replace a string in the file. Sed command is mostly used to replace the text in a file. This can be...
For some purposes you may need to keep track of new user creation details on Linux. Also, you may need to send the details by mail. This may be part of the audit objective...
Most Linux administrator monitor system performance with SAR report because it collects performance data for a week. But you can easily extend this to four weeks by making changes to the “/etc/sysconfig/sysstat” file. Also,...
As part of system update, you may need to exclude few of the packages due to application dependency in Red Hat based system. If so, how to exclude and what are all the ways...
If you want to figure out how long a process has been running in Linux for some reason. We can easily check with the help of “ps” command. It shows, the given process uptime...
