ot Peio Popov(14-02-2005)
reiting (30)
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Variant za otpechatvane Edno ot neshtata, koito me drazniat v
podbora na paketite vklyucheni v Fedora Core 3 e starata versiia na
predpochitanata ot men baza danni - MySQL. Klonut versii zapochvashti s
3.x.x otdavna e obiaven za ostarial ot ekipa na MySQL, no poradi
neizvestni za men prichini razrabotchitsite na Fedora polzvat poslednata
stabilna versiia ot nego.
Dosega predpochitah udobstvoto na
avtomatichnite obnoviavaniia na stariia klon, no tui kato vse poveche
produkti iziskvat versiia 4.x, a i predimstvata na novite versii stavat
vse poveche i poveche, reshih da obnovia do poslednata stabilna versiia.
MySQL AB predostaviat i rpm distributiv, koito se polzva za osnova na
vklyucheniia v development klona na Fedora Core paket na MySQL versiia
4.1.9. Tova, che e v development klona ne triabva da ni pritesniava,
zashtoto MySQL sa dokazali mnogokratno, che ne puskat nestabilni versii, a
v momenta 4.1 klona e vodeshtata im stabilna versiia.
Problemut
pri obnoviavaneto na MySQL se sustoi v tova, che mnogo drugi paketi
razchitat na nego. Takiva sa php-mysql, perl-DBD-MySQL, MySQL-python i
drugi. Zatova ako opitame prosto da obnovim versiiata shte poluchim
konflikt na zavisimostite, zashtoto shte se opitame da premahnem
biblioteki, ot koito gornite paketi imat nuzhda. Na moiata rabotna
stantsiia slednite paketi zavisiat ot MySQL:
Primeren kod |
error: Failed dependencies:
libmysqlclient.so.10 is needed by (installed) pam_mysql-0.5-1.i386
libmysqlclient.so.10 is needed by (installed) perl-DBD-MySQL-2.9003-5.i386
libmysqlclient.so.10 is needed by (installed) php-mysql-4.3.10-3.2.i386 |
Vuzmozhen nachin da se spravim s tazi zavisimost e da prekompilirame
vsichki zavisimi paketi da polzvat novite biblioteki, no tova shte napravi
dosta trudno posledvashtoto im obnoviavane, a plyus tova ima znachitelno
po-lesen nachin.
MySQL
predostaviat rpm paket MySQL-shared-compat, koito sudurzha bibliotekite
ot predishnite versii i sred tiah e i lipsvashtata ni v gorniia sluchai
libmysqlclient.so.10:
Primeren kod |
rpm -qpl MySQL-shared-compat-4.1.9-0.i386.rpm
warning: MySQL-shared-compat-4.1.9-0.i386.rpm: V3 DSA signature: NOKEY, key ID 5072e1f5
/usr/lib/libmysqlclient.so
/usr/lib/libmysqlclient.so.10
/usr/lib/libmysqlclient.so.10.0.0
/usr/lib/libmysqlclient.so.12
/usr/lib/libmysqlclient.so.12.0.0
/usr/lib/libmysqlclient.so.14
/usr/lib/libmysqlclient.so.14.0.0
/usr/lib/libmysqlclient_r.so
/usr/lib/libmysqlclient_r.so.10
/usr/lib/libmysqlclient_r.so.10.0.0
/usr/lib/libmysqlclient_r.so.12
/usr/lib/libmysqlclient_r.so.12.0.0
/usr/lib/libmysqlclient_r.so.14
/usr/lib/libmysqlclient_r.so.14.0.0 |
Izpolzvaiki
tozi paket, niama da ni se nalaga da prekompilirame zavisimite ot novata
versiia paketi, kato te shte mogat da budat obnoviavani avtomatichno.
Razrabotchitsite
na Fedora predlagat svoia versiia na tozi paket pod imeto
mysqlclient10-3.23.58-4.i386.rpm i tozi paket sudurzha samo bibliotekite
ot versiite na MySQL, koito se distributirat v stabilniia klon na Fedora:
Primeren kod |
/etc/ld.so.conf.d/mysqlclient10-i386.conf
/usr/lib/mysql/libmysqlclient.so.10
/usr/lib/mysql/libmysqlclient.so.10.0.0
/usr/lib/mysql/libmysqlclient_r.so.10
/usr/lib/mysql/libmysqlclient_r.so.10.0.0 |
Az predpochitam da polzvam paketa na Fedora, zashtoto niamam nuzhda ot suvmestimost s 4.0 versiiata.
Tui
kato opita da obnovim versiiata chrez poznatoto ni rpm -Uvh shte dovede do
greshka poradi konflikt na zavisimostite, triabva purvo da premahnem
starata versiia i da instalirame na chisto paketa sus starite biblioteki,
za udovletvoriavane na zavisimostite, a sled tova i samiia survur za bazi
danni. Tova stava sus slednite komandi:
Primeren kod |
rpm -e --nodeps mysql mysql-server mysql-devel mysql-bench
rpm -Uvh mysqlclient10-3.23.58-4.i386.rpm
rpm -Uvh mysql-4.1.9-1.i386.rpm mysql-devel-4.1.9-1.i386.rpm mysql-server-4.1.9-1.i386.rpm mysql-bench-4.1.9-1.i386.rpm |
Sled tova triabva veche da imame funktsionirasht MySQL versiia 4.1.9.
Nakratko, tozi shel skript triabva da svurshi rabotata vmesto vas ili pone da vi dade iasna predstva za posledovatelnostta na nuzhnite deistviia:
fedora-upgrade-mysql.sh |
VER=4.1.9-1
echo “Stop the database server”
/etc/init.d/mysqld stop
echo “Remove old MySQL version”
rpm -e –-nodeps mysql mysql-server mysql-devel mysql-bench
echo “Install the compatibility libraries”
rpm -Uvh http://fedora.lcpe.uni-sofia.bg/fedora/linux/core/development/i386/Fedora/RPMS/mysqlclient10-3.23.58-4.i386.rpm
echo “Install the new MySQL”
rpm -Uvh http://fedora.lcpe.uni-sofia.bg/fedora/linux/core/development/i386/Fedora/RPMS/mysql-$VER.i386.rpm
rpm -Uvh http://fedora.lcpe.uni-sofia.bg/fedora/linux/core/development/i386/Fedora/RPMS/mysql-devel-$VER.i386.rpm
rpm -Uvh http://fedora.lcpe.uni-sofia.bg/fedora/linux/core/development/i386/Fedora/RPMS/mysql-bench-$VER.i386.rpm
rpm -Uvh http://fedora.lcpe.uni-sofia.bg/fedora/linux/core/development/i386/Fedora/RPMS/mysql-server-$VER.i386.rpm
echo “Start the database server”
/etc/init.d/mysqld start |
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