Ubuntu 16.04はデフォルトでphp7.0環境をインストールしますが、php7は現在、一部の古いシステムとあまり互換性がありません。php5を自分でインストールする場合は、インストールされているphp7のパッケージをクリアする必要があります。そうしないと、エラーが報告されます。
デフォルトのインストール済みPHPパッケージを削除します
sudo dpkg -l | grep php| awk '{print $2}'|tr "\n"" "
sudo apt-get install aptitude
sudo aptitude purge `dpkg -l | grep php| awk '{print $2}' |tr "\n" " "`
PPAを追加
sudo add-apt-repository ppa:ondrej/php
**php5.6 **をインストールします
sudo apt-get update
sudo apt-get install php5.6
拡張機能をインストール
sudo apt-get install php5.6-gd
sudo apt-get install php5.6-mysql
**Apache2 **をインストールします
sudo apt install apache2
sudo apt-get install libapache2-mod-php5.6
**** [** MySQL **]（https://cloud.tencent.com/product/cdb?from=10680）をインストールします
sudo apt install mysql-server php5.6-mysql root root0x0
sudo apt-get install mysql-client
mysql_secure_installation
**phpmyadmin **をインストールします
sudo apt-get install phpmyadmin
sudo apt-get install php5.6-mbstring
sudo apt-get install php5.6-gettext
sudo ln -s /usr/share/phpmyadmin /var/www/html/phpmyadmin
**phpmyadmin **を構成します
nano /etc/php/5.6/apache2/php.ini
display_errors =On(エラーログを表示します。2回表示される場合は変更する必要があります。変更しないと無効になります。)
extension=php_mbstring.dll(mbstringを開く)
sudo dpkg-reconfigure phpmyadmin(phpmyadminを再構成します)
ウェブサイトを追加
sudo ln -s /etc/apache2/sites-available/files.conf /etc/apache2/sites-enabled/files.conf
sudo chown -R www-data /var/www/tianya
sudo /etc/init.d/apache2 restart
FTPを追加
sudo apt install vsftpd
useradd -d /var/www/tianya -s /sbin/nologin myftp
passwd myftp
chmod 777-R /var/www/tianya
usermod -s /sbin/nologin myftp
vim /etc/vsftpd.conf
vim /etc/vsftpd.chroot_list
service vsftpd restart
service vsftpd status
# Example config file /etc/vsftpd.conf
#
# The default compiled in settings are fairly paranoid. This sample file
# loosens things up a bit, to make the ftp daemon more usable.
# Please see vsftpd.conf.5for all compiled in defaults.
#
# READ THIS: This example file is NOT an exhaustive list of vsftpd options.
# Please read the vsftpd.conf.5 manual page to get a full idea of vsftpd's
# capabilities.
#
#
# Run standalone? vsftpd can run either from an inetd or as a standalone
# daemon started from an initscript.
# userlist_enable=YES
# userlist_deny=NO
# userlist_file=/etc/vsftpd.user_list
listen=YES
#
# Run standalone with IPv6?
# Like the listen parameter, except vsftpd will listen on an IPv6 socket
# instead of an IPv4 one. This parameter and the listen parameter are mutually
# exclusive.
# listen_ipv6=YES
#
# Allow anonymous FTP?(Disabled by default)
anonymous_enable=NO
#
# Uncomment this to allow local users to log in.
local_enable=YES
#
# Uncomment this to enable any form of FTP write command.
write_enable=YES
#
# Default umask for local users is 077. You may wish to change this to 022,
# if your users expect that(022 is used by most other ftpd's)
local_umask=022
#
# Uncomment this to allow the anonymous FTP user to upload files. This only
# has an effect if the above global write enable is activated. Also, you will
# obviously need to create a directory writable by the FTP user.
# anon_upload_enable=YES
#
# Uncomment thisif you want the anonymous FTP user to be able to create
# newdirectories.
# anon_mkdir_write_enable=YES
#
# Activate directory messages - messages given to remote users when they
# go into a certain directory.
dirmessage_enable=YES
#
# If enabled, vsftpd will display directory listings with the time
# in your local time zone. The default is to display GMT. The
# times returned by the MDTM FTP command are also affected by this
# option.
use_localtime=YES
#
# Activate logging of uploads/downloads.
xferlog_enable=YES
#
# Make sure PORT transfer connections originate from port 20(ftp-data).
connect_from_port_20=YES
#
# If you want, you can arrange for uploaded anonymous files to be owned by
# a different user. Note! Using "root"for uploaded files is not
# recommended!
# chown_uploads=YES
# chown_username=whoever
#
# You may override where the log file goes if you like. The default is shown
# below.
xferlog_file=/var/log/vsftpd.log
#
# If you want, you can have your log file in standard ftpd xferlog format.
# Note that the default log file location is /var/log/xferlog inthiscase.
xferlog_std_format=YES
#
# You may change the default value for timing out an idle session.
# idle_session_timeout=600
#
# You may change the default value for timing out a data connection.
# data_connection_timeout=120
#
# It is recommended that you define on your system a unique user which the
# ftp server can use as a totally isolated and unprivileged user.
# nopriv_user=ftpsecure
#
# Enable this and the server will recognise asynchronous ABOR requests. Not
# recommended forsecurity(the code is non-trivial). Not enabling it,
# however, may confuse older FTP clients.
# async_abor_enable=YES
#
# By default the server will pretend to allow ASCII mode but in fact ignore
# the request. Turn on the below options to have the server actually do ASCII
# mangling on files when in ASCII mode.
# Beware that on some FTP servers, ASCII support allows a denial of service
# attack(DoS) via the command "SIZE /big/file"in ASCII mode. vsftpd
# predicted this attack and has always been safe, reporting the size of the
# raw file.
# ASCII mangling is a horrible feature of the protocol.
# ascii_upload_enable=YES
# ascii_download_enable=YES
#
# You may fully customise the login banner string:
ftpd_banner=Welcome to blah FTP service.
#
# You may specify a file of disallowed anonymous e-mail addresses. Apparently
# useful for combatting certain DoS attacks.
# deny_email_enable=YES
# ( default follows)
# banned_email_file=/etc/vsftpd.banned_emails
#
# You may restrict local users to their home directories. See the FAQ for
# the possible risks inthis before using chroot_local_user or
# chroot_list_enable below.
# chroot_local_user=YES
#
# You may specify an explicit list of local users to chroot() to their home
# directory. If chroot_local_user is YES, then this list becomes a list of
# users to NOT chroot().
# ( Warning! chroot'ing can be very dangerous. If using chroot, make sure that
# the user does not have write access to the top level directory within the
# chroot)
chroot_local_user=YES
chroot_list_enable=YES
# ( default follows)
chroot_list_file=/etc/vsftpd.chroot_list
#
# You may activate the "-R" option to the builtin ls. This is disabled by
# default to avoid remote users being able to cause excessive I/O on large
# sites. However, some broken FTP clients such as"ncftp" and "mirror" assume
# the presence of the "-R" option, so there is a strong casefor enabling it.
# ls_recurse_enable=YES
#
# Customization
#
# Some of vsftpd's settings don't fit the filesystem layout by
# default.
#
# This option should be the name of a directory which is empty. Also, the
# directory should not be writable by the ftp user. This directory is used
# as a secure chroot() jail at times vsftpd does not require filesystem
# access.
secure_chroot_dir=/var/run/vsftpd/empty
#
# This string is the name of the PAM service vsftpd will use.
pam_service_name=vsftpd
#
# This option specifies the location of the RSA certificate to use for SSL
# encrypted connections.
rsa_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem
# This option specifies the location of the RSA key to use for SSL
# encrypted connections.
rsa_private_key_file=/etc/ssl/private/ssl-cert-snakeoil.key
総括する
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