内容:
内容一:iptraf-ng 命令的安装
# yum install iptraf-ng -y
内容二:iptraf-ng 命令的使用
# iptraf-ng
IP traffic monitor --> All interfaces
参考文献:
https://access.redhat.com/solutions/30479
# yum install iptraf-ng -y
# iptraf-ng
IP traffic monitor --> All interfaces
https://access.redhat.com/solutions/30479
> cat /proc/cmdline
BOOT_IMAGE=/vmlinuz-6.4.0-150600.23.50-default root=/dev/mapper/vg-lv resume=/dev/disk/by-uuid/52g36p8s-29l6-2g4l-meqo-5o30l48s4839 splash=silent quiet mitigations=auto audit_backlog_limit=8192 audit=1 rd.shell=0 showopts LANG=C crashkernel=186M,high
# stat <file>
# stat <option> <parameter> <file>
1) -c 或者 –format=FORMAT,只显示文件的时间
2) –printf=FORMAT,只显示文件的时间同时不换行打印
1) %a, access rights in octal (note ‘#’ and ‘0’ printf flags)
2) %A, access rights in human readable form
3) %b, number of blocks allocated (see %B)
4) %B, the size in bytes of each block reported by %b
5) %C, SELinux security context string
6) %d, device number in decimal
7) %D, device number in hex
8) %f, raw mode in hex
9) %F, file type
10) %g, group ID of owner
11) %G, group name of owner
12) %h, number of hard links
13) %i, inode number
14) %m, mount point
15) %n, file name
16) %N, quoted file name with dereference if symbolic link
17) %o, optimal I/O transfer size hint
18) %s, total size, in bytes
19) %t, major device type in hex, for character/block device special files
20) %T, minor device type in hex, for character/block device special files
21) %u, user ID of owner
22) %U, user name of owner
23) %w, time of file birth, human-readable; – if unknown
24) %W, time of file birth, seconds since Epoch; 0 if unknown
25) %x, time of last access, human-readable
26) %X, time of last access, seconds since Epoch
27) %y, time of last data modification, human-readable
28) %Y, time of last data modification, seconds since Epoch
29) %z, time of last status change, human-readable
30) %Z, time of last status change, seconds since Epoch
[mingyuzhu@liux ~]$ stat -c %y test.txt
2025-03-31 17:26:11.399060089 +0800
或者:
[mingyuzhu@liux ~]$ stat --format=%y test.txt
2025-03-31 17:26:11.399060089 +0800
(补充:这里以显示 test.txt 文件的时间为例)
[mingyuzhu@liux ~]$ stat --printf=%y test.txt
2025-03-31 17:26:11.399060089 +0800[mingyuzhu@liux ~]$
(补充:这里以显示 test.txt 文件的时间为例)
# cat /var/log/yum.log
# rpm -qa --last
或者:
# rpm --query --all --last
# dnf history
或者:
# yum history
解决 Linux 同 1 系统下 2 张网卡在同 1 个网段里只有 1 个网卡可以 ping 通
# sysctl -w net.ipv4.conf.all.rp_filter=2