How do I find the most memory consuming process in Linux?

The Linux ‘top’ command is the best and widely used command that everyone uses to monitor Linux system performance. It displays a real-time view of the system processes running on the interactive interface. You should run the top command in batch mode to find out top memory consuming processes in Linux.

Which process consuming more memory in Linux?

6 Answers. Using top : when you open top , pressing m will sort processes based on memory usage. But this will not solve your problem, in Linux everything is either file or process. So the files you opened will eating the memory too.

How can I tell what is consuming memory in Linux?

How to Check Memory Usage in Linux, 5 Simple Commands

1. cat Command to Show Linux Memory Information.
2. free Command to Display the Amount of Physical and Swap Memory.
3. vmstat Command to Report Virtual Memory Statistics.
4. top Command to Check Memory Use.
5. htop Command to Find Memory Load of Each Process.

How do I find out what’s taking up more memory?

Identifying Memory Hogs

1. Press “Ctrl-Shift-Esc” to launch the Windows Task Manager. …
2. Click the “Processes” tab to see a list of all processes currently running on your computer.
3. Click the “Memory” column header until you see an arrow above it pointing down to sort the processes by the amount of memory they’re taking.

How do I find the top 10 processes in Linux?

Check running process in Linux

1. Open the terminal window on Linux.
2. For remote Linux server use the ssh command for log in purpose.
3. Type the ps aux command to see all running process in Linux.
4. Alternatively, you can issue the top command or htop command to view running process in Linux.

What are Ulimits in Linux?

ulimit is admin access required Linux shell command which is used to see, set, or limit the resource usage of the current user. It is used to return the number of open file descriptors for each process. It is also used to set restrictions on the resources used by a process.

How do I free up memory on Linux?

Every Linux System has three options to clear cache without interrupting any processes or services.

1. Clear PageCache only. # sync; echo 1 > /proc/sys/vm/drop_caches.
2. Clear dentries and inodes. # sync; echo 2 > /proc/sys/vm/drop_caches.
3. Clear pagecache, dentries, and inodes. …
4. sync will flush the file system buffer.

How do I find the top 10 memory consuming process in Linux?

1) Find out top memory consuming process in Linux using ‘ps’ command. The ‘ps’ command is used to report a snapshot of the current processes. The ‘ps’ command stands for process status. This is a standard Linux application that looks for information about running processes on a Linux system.

How do I check memory usage in Unix?

To get some quick memory information on a Linux system, you can also use the meminfo command. Looking at the meminfo file, we can see how much memory is installed as well as how much is free.

How do I check my CPU and RAM on Linux?

9 Useful Commands to Get CPU Information on Linux

1. Get CPU Info Using cat Command. …
2. lscpu Command – Shows CPU Architecture Info. …
3. cpuid Command – Shows x86 CPU. …
4. dmidecode Command – Shows Linux Hardware Info. …
5. Inxi Tool – Shows Linux System Information. …
6. lshw Tool – List Hardware Configuration. …
7. hwinfo – Shows Present Hardware Info.

How can I test my memory?

How to Test RAM With Windows Memory Diagnostic Tool

1. Search for “Windows Memory Diagnostic” in your start menu, and run the application. …
2. Select “Restart now and check for problems.” Windows will automatically restart, run the test and reboot back into Windows. …
3. Once restarted, wait for the result message.

What is using all my memory?

In the full Task Manager window, navigate to the “Processes” tab. You’ll see a list of every application and background task running on your machine. Collectively, those programs are called “processes.” To sort the processes by which one is using the most memory, click the “Memory” column header.

What uses a lot of RAM?

RAM-heavy applications

The operating system and the web browser typically consume the most RAM, though some applications and games can use more than everything else combined.

How do I find the process ID in Unix?

Linux / UNIX: Find out or determine if process pid is running

1. Task: Find out process pid. Simply use ps command as follows: …
2. Find the process ID of a running program using pidof. pidof command finds the process id’s (pids) of the named programs. …
3. Find PID using pgrep command.

Where is defunct process in Linux?

You can follow below steps to attempt killing zombie processes without system reboot.

1. Identify the zombie processes. top -b1 -n1 | grep Z. …
2. Find the parent of zombie processes. …
3. Send SIGCHLD signal to the parent process. …
4. Identify if the zombie processes have been killed. …
5. Kill the parent process.

How do I find services in Linux?

Check running services on Linux

1. Check the service status. A service can have any of the following statuses: …
2. Start the service. If a service isn’t running, you can use the service command to start it. …
3. Use netstat to find port conflicts. …
4. Check xinetd status. …
5. Check logs. …
6. Next steps.