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Better mysql reinstallation instructions

This commit is contained in:
Bob Mottram 2014-08-04 18:34:15 +01:00
parent 792366c368
commit 2d81fa4ebb
1 changed files with 45 additions and 8 deletions
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53
beaglebone.txt
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@ -1254,7 +1254,6 @@ iptables -A INPUT -p tcp --destination-port 6665:6669 -j DROP
iptables -A INPUT -p tcp --destination-port 4000 -j DROP
iptables -A INPUT -p tcp --destination-port 119 -j DROP
iptables -A INPUT -p tcp --destination-port 137 -j DROP
iptables -A INPUT -p tcp --destination-port 3306 -j DROP
iptables -A INPUT -p tcp --destination-port 4242 -j DROP
iptables -A INPUT -p tcp --destination-port 9050 -j DROP
iptables -A INPUT -p tcp --destination-port 3000 -j DROP
@ -3320,7 +3319,7 @@ Install it.
#+BEGIN_SRC: bash
tar -xzvf ircd-hybrid-8.1.17.tgz
cd ircd-hybrid-*
cd ircd-hybrid-8.1.17
./configure --prefix=/usr/local/ircd --enable-openssl
make
make install
@ -3365,7 +3364,12 @@ chmod 600 /usr/local/ircd/etc/ircd.conf
Now create an init script.
#+BEGIN_SRC: bash
adduser --disabled-login irc
adduser irc
#+END_SRC
Make the password some long random string.
#+BEGIN_SRC: bash
editor /usr/bin/runircd
#+END_SRC
@ -3374,7 +3378,7 @@ Add the following:
#+BEGIN_SRC: bash
#!/bin/sh
USERNAME=irc
COMMAND="cd /usr/local/ircd; ircd > /usr/local/ircd/ircd.log"
COMMAND="cd /usr/local/ircd/bin; ircd > /usr/local/ircd/ircd.log"
su -l $USERNAME -c '$COMMAND'
#+END_SRC
@ -7260,17 +7264,17 @@ mysqldump -u root -p --all-databases --events > /var/backups/databasebackup.sql
To restore yesterday's friendica backup:
#+BEGIN_SRC: bash
mysql -D friendica -o < /var/backups/friendica_daily.sql
mysql -u root -p friendica -o < /var/backups/friendica_daily.sql
#+END_SRC
To restore yesterday's Red Matrix backup:
#+BEGIN_SRC: bash
mysql -D redmatrix -o < /var/backups/redmatrix_daily.sql
mysql -u root -p redmatrix -o < /var/backups/redmatrix_daily.sql
#+END_SRC
*** Removing mysql server
*** Removing and reinstalling mysql server
If you manage to screw up sql server completely then it can be fully deleted with:
Sometimes the mysql database may get completely messed up, and running /service mysql start/ may always fail with nothing reported in the logs. So if you manage to get into that unfortinate situation then you can fully remove mysql and reinstall it as follows:
#+BEGIN_SRC: bash
ps aux | grep mysql
@ -7280,9 +7284,42 @@ and use /kill -9 <pid>/ to kill all mysql processes.
#+BEGIN_SRC: bash
apt-get remove --purge mysql\*
rm -rf /etc/mysql
rm -rf /var/lib/mysql
apt-get clean
updatedb
#+END_SRC
Reinstall mysql:
#+BEGIN_SRC: bash
apt-get install mysql-server php5-common php5-cli php5-curl php5-gd php5-mysql php5-mcrypt php5-fpm php5-cgi php-apc
#+END_SRC
Then to recreate the Friendica and webmail databases:
#+BEGIN_SRC: bash
mysql -p
create database friendica;
CREATE USER 'friendicaadmin'@'localhost' IDENTIFIED BY 'myfriendicapassword';
GRANT ALL PRIVILEGES ON friendica.* TO 'friendicaadmin'@'localhost';
create database roundcubemail;
CREATE USER 'roundcube'@'localhost' IDENTIFIED BY 'roundcubepassword';
GRANT ALL PRIVILEGES ON roundcubemail.* TO 'roundcube'@'localhost';
quit
mysql -u root -p friendica -o < /var/backups/friendica_daily.sql
#+END_SRC
And if you previously had Red Matrix installed:
#+BEGIN_SRC: bash
mysql -p
create database redmatrix;
CREATE USER 'redmatrixadmin'@'localhost' IDENTIFIED BY 'myredmatrixpassword';
GRANT ALL PRIVILEGES ON redmatrix.* TO 'redmatrixadmin'@'localhost';
quit
mysql -u root -p redmatrix -o < /var/backups/redmatrix_daily.sql
#+END_SRC
** Regenerating SSL certificates
If a security vulnerability arrises which requires you to regenerate your SSL certificates, such as [[http://filippo.io/Heartbleed]["heartbleed"]], then this can be done as follows: