proc
$ ls /proc
1 12850 174 24 3574 569 604 8833 cpuinfo interrupts kpagecount pagetypeinfo sysrq-trigger
10 12972 175 25 4 570 606 9 crypto iomem kpageflags partitions sysvipc
107 12978 18 255 445 572 642 942 devices ioports loadavg sched_debug thread-self
1075 13003 19 26 472 574 681 945 diskstats irq locks schedstat timer_list
11 14 2 27 48 59 7 acpi dma kallsyms meminfo self tty
112 15 20 28 49 590 717 buddyinfo driver kcore misc slabinfo uptime
113 155 21 29 50 594 759 bus execdomains keys modules softirqs version
115 16 22 3 562 595 771 cgroups fb key-users mounts stat vmallocinfo
116 17 221 30 563 596 796 cmdline filesystems kmsg mtrr swaps vmstat
12 172 23 355 566 6 8 consoles fs kpagecgroup net sys zoneinfo
$ cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 79
model name : Intel(R) Xeon(R) CPU E5-2682 v4 @ 2.50GHz
stepping : 1
microcode : 0x1
cpu MHz : 2500.026
cache size : 40960 KB
physical id : 0
siblings : 1
core id : 0
cpu cores : 1
apicid : 0
initial apicid : 0
fpu : yes
fpu_exception : yes
cpuid level : 20
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss ht syscall nx pdpe1gb rdtscp lm constant_tsc rep_good nopl nonstop_tsc cpuid tsc_known_freq pni pclmulqdq ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm abm 3dnowprefetch invpcid_single pti ibrs ibpb stibp fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm rdseed adx smap xsaveopt arat
bugs : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs taa itlb_multihit mmio_stale_data
bogomips : 5000.05
clflush size : 64
cache_alignment : 64
address sizes : 46 bits physical, 48 bits virtual
power management:
$ cat /proc/meminfo
MemTotal: 2042900 kB
MemFree: 529904 kB
MemAvailable: 1321508 kB
Buffers: 150536 kB
Cached: 747436 kB
SwapCached: 0 kB
Active: 971416 kB
Inactive: 430612 kB
Active(anon): 504264 kB
Inactive(anon): 252 kB
Active(file): 467152 kB
Inactive(file): 430360 kB
Unevictable: 0 kB
Mlocked: 0 kB
SwapTotal: 0 kB
SwapFree: 0 kB
Dirty: 12 kB
Writeback: 0 kB
AnonPages: 492324 kB
Mapped: 204768 kB
Shmem: 464 kB
Slab: 75372 kB
SReclaimable: 51284 kB
SUnreclaim: 24088 kB
KernelStack: 3164 kB
PageTables: 3316 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 1021448 kB
Committed_AS: 1520316 kB
VmallocTotal: 34359738367 kB
VmallocUsed: 0 kB
VmallocChunk: 0 kB
Percpu: 808 kB
HardwareCorrupted: 0 kB
AnonHugePages: 399360 kB
ShmemHugePages: 0 kB
ShmemPmdMapped: 0 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
Hugetlb: 0 kB
DirectMap4k: 83840 kB
DirectMap2M: 2013184 kB
DirectMap1G: 0 kB
$ cat /proc/version
Linux version 4.19.0-23-amd64 (debian-kernel@lists.debian.org) (gcc version 8.3.0 (Debian 8.3.0-6)) #1 SMP Debian 4.19.269-1 (2022-12-20)
$ cat /proc/mounts
sysfs /sys sysfs rw,nosuid,nodev,noexec,relatime 0 0
proc /proc proc rw,nosuid,nodev,noexec,relatime 0 0
udev /dev devtmpfs rw,nosuid,relatime,size=1006304k,nr_inodes=251576,mode=755 0 0
devpts /dev/pts devpts rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000 0 0
tmpfs /run tmpfs rw,nosuid,noexec,relatime,size=204292k,mode=755 0 0
/dev/vda1 / ext4 rw,relatime,errors=remount-ro 0 0
securityfs /sys/kernel/security securityfs rw,nosuid,nodev,noexec,relatime 0 0
tmpfs /dev/shm tmpfs rw,nosuid,nodev 0 0
tmpfs /run/lock tmpfs rw,nosuid,nodev,noexec,relatime,size=5120k 0 0
tmpfs /sys/fs/cgroup tmpfs ro,nosuid,nodev,noexec,mode=755 0 0
cgroup2 /sys/fs/cgroup/unified cgroup2 rw,nosuid,nodev,noexec,relatime,nsdelegate 0 0
cgroup /sys/fs/cgroup/systemd cgroup rw,nosuid,nodev,noexec,relatime,xattr,name=systemd 0 0
pstore /sys/fs/pstore pstore rw,nosuid,nodev,noexec,relatime 0 0
bpf /sys/fs/bpf bpf rw,nosuid,nodev,noexec,relatime,mode=700 0 0
cgroup /sys/fs/cgroup/net_cls,net_prio cgroup rw,nosuid,nodev,noexec,relatime,net_cls,net_prio 0 0
cgroup /sys/fs/cgroup/devices cgroup rw,nosuid,nodev,noexec,relatime,devices 0 0
cgroup /sys/fs/cgroup/pids cgroup rw,nosuid,nodev,noexec,relatime,pids 0 0
cgroup /sys/fs/cgroup/cpu,cpuacct cgroup rw,nosuid,nodev,noexec,relatime,cpu,cpuacct 0 0
cgroup /sys/fs/cgroup/freezer cgroup rw,nosuid,nodev,noexec,relatime,freezer 0 0
cgroup /sys/fs/cgroup/memory cgroup rw,nosuid,nodev,noexec,relatime,memory 0 0
cgroup /sys/fs/cgroup/perf_event cgroup rw,nosuid,nodev,noexec,relatime,perf_event 0 0
cgroup /sys/fs/cgroup/rdma cgroup rw,nosuid,nodev,noexec,relatime,rdma 0 0
cgroup /sys/fs/cgroup/blkio cgroup rw,nosuid,nodev,noexec,relatime,blkio 0 0
cgroup /sys/fs/cgroup/cpuset cgroup rw,nosuid,nodev,noexec,relatime,cpuset 0 0
systemd-1 /proc/sys/fs/binfmt_misc autofs rw,relatime,fd=38,pgrp=1,timeout=0,minproto=5,maxproto=5,direct,pipe_ino=10209 0 0
mqueue /dev/mqueue mqueue rw,relatime 0 0
debugfs /sys/kernel/debug debugfs rw,relatime 0 0
hugetlbfs /dev/hugepages hugetlbfs rw,relatime,pagesize=2M 0 0
tracefs /sys/kernel/debug/tracing tracefs rw,relatime 0 0
tmpfs /run/user/0 tmpfs rw,nosuid,nodev,relatime,size=204288k,mode=700 0 0
$ cat /proc/net/dev
Inter-| Receive | Transmit
face |bytes packets errs drop fifo frame compressed multicast|bytes packets errs drop fifo colls carrier compressed
lo: 180471 819 0 0 0 0 0 0 180471 819 0 0 0 0 0 0
docker0: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
eth0: 154678848 986010 0 0 0 0 0 0 446199126 803036 0 0 0 0 0 0
cat /proc/swaps
Filename Type Size Used Priority
cat /proc/interrupts
CPU0
0: 3 IO-APIC 2-edge timer
1: 9 IO-APIC 1-edge i8042
4: 495 IO-APIC 4-edge ttyS0
6: 3 IO-APIC 6-edge floppy
8: 0 IO-APIC 8-edge rtc0
9: 0 IO-APIC 9-fasteoi acpi
11: 32 IO-APIC 11-fasteoi uhci_hcd:usb1, virtio3
12: 15 IO-APIC 12-edge i8042
14: 0 IO-APIC 14-edge ata_piix
15: 0 IO-APIC 15-edge ata_piix
24: 0 PCI-MSI 49152-edge virtio0-config
25: 705063 PCI-MSI 49153-edge virtio0-input.0
26: 13 PCI-MSI 49154-edge virtio0-output.0
27: 0 PCI-MSI 81920-edge virtio2-config
28: 262355 PCI-MSI 81921-edge virtio2-req.0
29: 0 PCI-MSI 65536-edge virtio1-config
30: 22 PCI-MSI 65537-edge virtio1-virtqueues
NMI: 0 Non-maskable interrupts
LOC: 861860291 Local timer interrupts
SPU: 0 Spurious interrupts
PMI: 0 Performance monitoring interrupts
IWI: 16317 IRQ work interrupts
RTR: 0 APIC ICR read retries
RES: 0 Rescheduling interrupts
CAL: 0 Function call interrupts
TLB: 0 TLB shootdowns
TRM: 0 Thermal event interrupts
THR: 0 Threshold APIC interrupts
DFR: 0 Deferred Error APIC interrupts
MCE: 0 Machine check exceptions
MCP: 1844 Machine check polls
ERR: 0
MIS: 0
PIN: 0 Posted-interrupt notification event
NPI: 0 Nested posted-interrupt event
PIW: 0 Posted-interrupt wakeup event