How to View Linux System Information To know only system name, you can use uname command without any switch will print system information or uname -s command will print the kernel name of your system. My sincere advice is that you approach every single hardware problem in a very methodical way in order to minimize false positive and distractions. If you have a hardware part that is throwing errors only once in a while, you may not end up having sufficient data to correlate between these separate events and draw the right conclusion. To learn more, see our. You can manipulate seemingly ordinary files to issue on-the-fly changes to kernel structures, causing a change in the behavior. Other things If and only if you've exhausted all of the options above should you go about the Internet, prowling, searching for answers. Something else than , or the likes.
It is also programmed for Core 2 and other Intel architectures. Some distributions also have graphic frontends for the lspci command, allowing you to see your system information in a manner similar to Windows. What if you experience a kernel crash that seems to blame some software, but it is in fact caused by a memory glitch or a bus error on the mobo? Types of hardware problems Before you even begin diagnosing hardware issues, it is important to align on expectations, as well as be fully aware of different types of hardware problems that you may encounter. The memmon script is invoked by cron every 10 minutes. Figure B A more readable output. The most common format for this command is.
Finally, you need to understand how hardware problems manifest. They indicate total, used and free amounts of the memory. It also keeps a track of real time network traffic bandwidth used by each program or application. When the command was run at 15:16:45, the server had been up for 41 days 2 hours and 35 minutes, there were two users logged on and the load averages were 0. You may also want to consider increasing the size of your server to better match your requirements.
The header on output has the required information. You can see some red failed messages and yellow warnings there. Unsourced material may be challenged and removed. Figure C Easy to read stats for a single device. Memory Usage On linux, there are commands for almost everything, because the gui might not be always available. It seems to me I may only have access to the past 7 days of stats.
Boot logs If you have a dead or dying or hiccuping piece of metal in your box, you might want to see whether there's some problem during the boot sequence. Another classic one would be my gaming desktop case ground wiring issues. By installing the memtester package, you can check your system for errors while it's still running. Installation I will be demonstrating the installation on. Just Add Memory A simple solution to resolving most out of memory problems is to add more memory. If you are running a webserver, then the server must have enough memory to serve the visitors to the site.
This should be default available there. And if there is a problem you can check the logs to see what was running. Psacct or Acct — Monitor User Activity psacct or acct tools are very useful for monitoring each users activity on the system. But you will know that the device is correctly identified by the kernel, so you can focus your efforts elsewhere. Take it easy and have fun. Suggested Read : Method-9 : Using htop command Htop is a open-source ncurses-based process viewer for Linux. They may or may not be related to your problem, but the fact you see some should not detract you from what you're trying to do.
For Ubuntu or Debian systems, you can install this package using apt-get. . Lately I have been experiencing an intermittent problem where a single character seems to be getting altered somewhere during the processing which then causes subsequent errors. This indicates that there are 4 actual cores. Even highly experienced users will sometimes face a bumpy ride when trying to resolve a delicate, erratic, weird, not fully diagnosed mismatch between hardware and software. For the time being, you should only look for errors that clearly mention your hardware in some way.
Another very handy way to make use of iostat is by running it with an option to continue displaying stats for a device every five seconds, which is handy for device troubleshooting. The si swap in and so swap out columns show if you have been swapping i. Interpreting vmstat vmstat helps you to see, among other things, if your server is swapping. However, never forget that despite your best efforts, you may never solve the problem. You can print partition information as follows.