Shulou(Shulou.com)06/02 Report--

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1. CentOS executes ftp command prompt ftp:command not found solution

Centos7.3.1611 installs ftp client tools

[root@xxxx ~] # cat / etc/redhat-releaseCentOS Linux release 7.3.1611 (Core) cat / etc/redhat-release http://mirror.centos.org/centos/7/os/x86_64/Packages/ftp-0.17-67.el7.x86_64.rpmrpm-Uvh http://mirror.centos.org/centos/7/os/x86_64/Packages/ftp-0.17-67.el7.x86_64.rpm

2. Df-h du-h ls-h command

Xxxx@ubuntu:/tmp$ ls-ltotal 12200788 xxxx@ubuntu:/tmp$ ls-ltotal 12493601071 Mar 14 18:18 Windows.zipxxxx@ubuntu:/tmp$ ls-lhtotal 12G Rwmuri-1 xxxx xxxx 12G Mar 14 18:18 the Windows.zipLinux du command is used to display the size of a directory or file. Du displays the disk space occupied by the specified directory or file. Xxxx@ubuntu:/tmp$ du-h4.0K. /. X11-unix4.0K. /. ICE-unix12G. View system disk Devic The default is KB: xxxx@ubuntu:/tmp$ dfFilesystem 1K-blocks Used Available Use% Mounted on/dev/mapper/ubuntu--vg-root 87845160 24205024 59154812 / none 4040 59154812 / sys/fs/cgroupudev 4019860 440198561 / devtmpfs 806220 592 805628 / runnone 5120 0 5120 / run/locknone 4031088 0 4031088 0 / run/shmnone 102400 0 02400 0 / run/user/dev/sda1 240972 37043 191488 / boot uses the-h option to display in units above KB High readability: xxxx@ubuntu:/tmp$ df-hFilesystem Size Used Avail Use% Mounted on/dev/mapper/ubuntu--vg-root 84G 24G 57G 30% / none 4.0K 04.0K 0% / sys/fs/cgroupudev 3.9G 4.0K 3.9G 1% / devtmpfs 788M 592K 787m 1% / runnone 5.0M 0 5.0M 0% / run/locknone 3.9G 0 3.9G 0% / run/shmnone 100M 0100m 0% / run/user/dev/sda1 236M 37M 187M 17% / boot View all text Component system: xxxx@ubuntu:/tmp$ df-aFilesystem 1K-blocks Used Available Use% Mounted on/dev/mapper/ubuntu--vg-root 87845160 24205024 59154812 / proc 59154812-/ procsysfs 000-/ sysnone 4 0 40% / sys/fs/cgroupnone 0 0-/ sys/fs/fuse/connectionsnone 0 0-/ sys/kernel/debugnone 0 0 0-/ sys/kernel/securityudev 4019860 4 4019856 / devdevpts 806220 592 805628 1 / runnone 5120 05120 0 % / run/locknone 4031088 0 0 0 / run/shmnone 102400 0 102400 0% / run/usernone 4031088-/ sys/fs/pstorecgroup 0 4031088 -/ sys/fs/cgroup/cpusetcgroup 000-/ sys/fs/cgroup/cpucgroup 000-/ sys/fs/cgroup/cpuacctcgroup 000-/ sys/fs/cgroup/memorycgroup 0 0-/ sys/fs/cgroup/devicescgroup 0 0-/ sys/fs/cgroup/freezercgroup 0 0-/ sys/fs/cgroup/blkiocgroup 0 0-/ sys/fs/cgroup/perf_eventcgroup 0 0-/ sys/fs/cgroup/hugetlb/dev/sda1 240972 37043 191488 17% / bootbinfmt_misc 0 000-/ proc/sys/fs/binfmt_miscsystemd

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