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linux

how to use crontab to excute tasks on time

May 21st, 2019 0
like windows has scheduled tasks.linux has crontab.it's a tool for excute tasks on time. how to install crontab?we can use yum.yum install vixie-cron crontabsthen run itservice crond startwe can add it into autostart when we open the computer.chkconfig --level 345 crond on how to use...
linux

build website platform. LAMP

May 20th, 2019 2
what is lamp? lamp is linux+apache+mysql+php.They are all open source software and free. change your centos 7 yum source to a faster source and upgrade the os.for example: 1 backup local yum source. mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo_bak2 get a faster...
linux

vsftpd:500 OOPS: vsftpd: refusing to run with writable root inside chroot ()

May 20th, 2019 0
after I lock ftp user to stop them access system dir. some user get an error when they login. 500 OOPS: vsftpd: refusing to run with writable root inside chroot () because if the user is limited to his home directory,the user's home directory can no longer have write privileges.If the...
linux

how to lock ftp user to their root dir on vsftp

May 20th, 2019 65
when I build this site.I need ftp to upload web files to the server space.And the upgrade of wordpress also need ftp. I found it dangerous if the ftp user can access "/" directory. I want to lock them to each ftp root dir. So that I can protect my linux system dir. There's a way. vi...
linux

hi~ hello world~

May 20th, 2019 0
this site is used to share some technology or funs of computer. like the first program of any code language. I want to say~ Hello World! :) ...
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