2022-12-24 17:42:40 +01:00
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2022-12-24 17:09:22 +01:00
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2022-12-24 23:06:31 +01:00
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date="2022-12-24"
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2022-12-24 17:09:22 +01:00
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author="spanskiduh"
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title="system-information"
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2022-12-24 17:42:40 +01:00
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description="click to read about system-information"
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2022-12-24 17:09:22 +01:00
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+++
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# System information
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### Basic user enumeration
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- `whoami` `hostname` - get username and hostname
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- `id` - get information which group ids current user belongs to
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- `groups $USER` - check groups
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- `last` - check users that logged in recently
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### Cpu, memory
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- `lscpu` - show cpu information
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- `free -h` - display memory usage
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- `uname -p` or `uname -m` - show system architecture
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- `uname -r` - see a running kernel
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- `lsb_release -a` or `cat /etc/*release` - see running distribution
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### Another useful tool `sysstat` package
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- `iostat` - show current io (disk usage, cpu usage)
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- `mpstat` - show current cpu usage (detailed)
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