Difference between revisions of "Linux/Unix:Generic"
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| Line 13: | Line 13: | ||
;free | ;free | ||
:Show memory usage | :Show memory usage | ||
| + | |||
| + | ;cat /etc/sysctl.conf|grep swappiness | ||
| + | :Check swappines (the eager the system will swap with). A higher number means more swapping will happen. 0 is not no swapping but minimal swapping. | ||
;uname -a | ;uname -a | ||
| Line 27: | Line 30: | ||
:Redhat version installed | :Redhat version installed | ||
| − | |||
=Bash= | =Bash= | ||
;<nowiki>:</nowiki> | ;<nowiki>:</nowiki> | ||
:No operation (NOP) | :No operation (NOP) | ||
Revision as of 15:53, 24 April 2020
- df -P
- Report file-system information in parseble format.
- df -h
- Report file-system information in easy understandable precision (K, M or G when appropriate).
- top
- List process resource usage. By default having the most CPU-intensive process on top. Press > to have it sort on another column. Press 1 to have usage for each CPU apart.
- lscpu
- List CPU information
- free
- Show memory usage
- cat /etc/sysctl.conf|grep swappiness
- Check swappines (the eager the system will swap with). A higher number means more swapping will happen. 0 is not no swapping but minimal swapping.
- uname -a
- Show kernel version
- mountpoint -q <directory>
- Check if <directory> is in use as mountpoint
- chage -l <username>
- Show password aging status
RedHat (RHEL)
- /etc/redhat-release
- Redhat version installed
Bash
- :
- No operation (NOP)