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詳解apache編譯安裝httpd-2.4.54及三種風格的init程序特點和區別
瀏覽:141日期:2023-03-07 14:40:24
目錄
- 源碼包編譯實例
- 下載編譯工具,httpd以及其兩個依賴包的源碼包
- 安裝apr
- 安裝apr-util
- 安裝httpd
- 源碼編譯報錯信息處理
- init程序的三種風格
- init程序三種風格的特點
源碼包編譯實例
下面通過編譯安裝httpd來深入理解源碼包安裝(httpd-2.4.54)
下載編譯工具,httpd以及其兩個依賴包的源碼包
//源碼包建議到官方網站下載
[root@lnh ~]# mkdir xbz[root@lnh ~]# cd xbz/[root@lnh xbz]# dnf -y install gcc gcc-c++ make wget[root@lnh xbz]# wget https://mirrors.aliyun.com/apache/httpd/httpd-2.4.54.tar.gz[root@lnh xbz]# wget https://mirrors.aliyun.com/apache/apr/apr-1.7.0.tar.gz[root@lnh xbz]# wget https://mirrors.aliyun.com/apache/apr/apr-util-1.6.1.tar.gz[root@lnh xbz]# lsapr-1.7.0.tar.gz apr-util-1.6.1.tar.gz httpd-2.4.54.tar.gz
安裝apr
[root@lnh xbz]# lsapr-1.7.0.tar.gz apr-util-1.6.1.tar.gz httpd-2.4.54.tar.gz[root@lnh xbz]# tar -xf apr-1.7.0.tar.gz [root@lnh xbz]# ls apr-1.7.0 apr-1.7.0.tar.gz apr-util-1.6.1.tar.gz httpd-2.4.54.tar.gz//將apr解壓到當前目錄[root@lnh xbz]# cd apr-1.7.0/[root@lnh apr-1.7.0]# lsapr-config.in build-outputs.mk helpers misc stringsapr.depCHANGES include mmap supportapr.dspCMakeLists.txt libapr.dep network_io tablesapr.dswconfig.layout libapr.dsp NOTICE testapr.makconfigure libapr.mak NWGNUmakefile threadprocapr.pc.in configure.in libapr.rc passwd timeapr.spec docs LICENSE poll toolsatomic dso locks random userbuild emacs-modeMakefile.in READMEbuild.conf encoding Makefile.win README.cmakebuildconf file_io memoryshmem//進入這個源碼包可以看見里面被解壓出來的東西[root@lnh apr-1.7.0]# ./configure --prefix=/usr/local/src/apr...configure: creating ./config.statusconfig.status: creating Makefileconfig.status: creating include/apr.hconfig.status: creating build/apr_rules.mkconfig.status: creating build/pkg/pkginfoconfig.status: creating apr-1-configconfig.status: creating apr.pcconfig.status: creating test/Makefileconfig.status: creating test/internal/Makefileconfig.status: creating include/arch/unix/apr_private.hconfig.status: executing libtool commandsrm: cannot remove "libtoolT": No such file or directoryconfig.status: executing default commands//生成Makefile一般常用的有 --prefix=PREFIX 這個選項的意思是定義軟件包安裝到哪里建議,源碼包都是安裝在/opt/目錄下或者/usr/local/src目錄下面[root@lnh apr-1.7.0]# make...gcc -E -DHAVE_CONFIG_H -DLINUX -D_REENTRANT -D_GNU_SOURCE -I./include -I/root/xbz/apr-1.7.0/include/arch/unix -I./include/arch/unix -I/root/xbz/apr-1.7.0/include/arch/unix -I/root/xbz/apr-1.7.0/include -I/root/xbz/apr-1.7.0/include/private -I/root/xbz/apr-1.7.0/include/private export_vars.c | sed -e "s/^\#[^!]*//" | sed -e "/^$/d" >> apr.expsed "s,^\(location=\).*$,\1installed," < apr-1-config > apr-config.outsed -e "s,^\(apr_build.*=\).*$,\1/usr/local/src/apr/build-1," -e "s,^\(top_build.*=\).*$,\1/usr/local/src/apr/build-1," < build/apr_rules.mk > build/apr_rules.outmake[1]: Leaving directory "/root/xbz/apr-1.7.0"http://編譯生成Makefile,此處雖然出現了make[1]: Leaving directory "/root/xbz/apr-1.7.0",但是沒關系可以繼續進行下一步安裝[root@lnh apr-1.7.0]# make install.../usr/bin/install -c -m 755 /root/xbz/apr-1.7.0/build/mkdir.sh /usr/local/src/apr/build-1for f in make_exports.awk make_var_export.awk; do \ /usr/bin/install -c -m 644 /root/xbz/apr-1.7.0/build/${f} /usr/local/src/apr/build-1; \done/usr/bin/install -c -m 644 build/apr_rules.out /usr/local/src/apr/build-1/apr_rules.mk/usr/bin/install -c -m 755 apr-config.out /usr/local/src/apr/bin/apr-1-config//進行安裝[root@lnh apr-1.7.0]# cd /usr/local/src/apr/[root@lnh apr]# lsbin build-1 include lib//進入apr的路徑進行查看,默認情況下,系統搜索庫文件的路徑只有/lib,/usr/lib,我們需要進行修改在/etc/ld.so.conf.d/中創建以.conf為后綴名的文件,而后把要增添的路徑直接寫至此文件中。此時庫文件增添的搜索路徑重啟后有效,若要使用增添的路徑立即生效則要使用ldconfig命令[root@lnh apr]# cd /etc/ld.so.conf.d/[root@lnh ld.so.conf.d]# echo /usr/local/src/apr/lib/ >apr.conf[root@lnh ld.so.conf.d]# cd -/usr/local/src/apr//切換到前一個工作目錄[root@lnh apr]# ldconfig //使命令生效[root@lnh apr]# ln -s /usr/local/src/apr/include/ /usr/include/apr[root@lnh apr]# ll /usr/include/apr/total 4drwxr-xr-x. 2 root root 4096 Jul 12 20:18 apr-1lrwxrwxrwx. 1 root root 27 Jul 12 20:44 include -> /usr/local/src/apr/include/將頭文件軟鏈接到/usr/include目錄下
折疊
安裝apr-util
[root@lnh xbz]# dnf -y install expat-devel libxml2-devel pcre-devel//需要先安裝這個依賴[root@lnh xbz]# lsapr-1.7.0 apr-1.7.0.tar.gz apr-util-1.6.1.tar.gz httpd-2.4.54.tar.gz[root@lnh xbz]# tar -xf apr-util-1.6.1.tar.gz [root@lnh xbz]# lsapr-1.7.0 apr-util-1.6.1 httpd-2.4.54.tar.gzapr-1.7.0.tar.gz apr-util-1.6.1.tar.gz//解壓到當前目錄[root@lnh xbz]# cd apr-util-1.6.1/[root@lnh apr-util-1.6.1]# lsaprutil.dep CHANGES include NWGNUmakefileaprutil.dsp CMakeLists.txt ldap READMEaprutil.dsw config.layout libaprutil.dep README.cmakeaprutil.mak configure libaprutil.dsp README.FREETDSapr-util.pc.in configure.in libaprutil.mak redisapr-util.spec crypto libaprutil.rc renames_pendingapu-config.in dbdLICENSE strmatchbuckets dbmMakefile.in testbuild docs Makefile.win uribuild.confencoding memcachexlatebuildconf export_vars.sh.in misc xmlbuild-outputs.mk hooks NOTICE//進入源碼包查看被解壓出來的東西[root@lnh apr-util-1.6.1]# ./configure --prefix=/usr/local/src/apr-util --with-apr=/usr/local/src/apr...configure: creating ./config.statusconfig.status: creating Makefileconfig.status: creating export_vars.shconfig.status: creating build/pkg/pkginfoconfig.status: creating apr-util.pcconfig.status: creating apu-1-configconfig.status: creating include/private/apu_select_dbm.hconfig.status: creating include/apr_ldap.hconfig.status: creating include/apu.hconfig.status: creating include/apu_want.hconfig.status: creating test/Makefileconfig.status: creating include/private/apu_config.hconfig.status: executing default commands//生成Makefile文件,需要伴隨著上一個指定的依賴[root@lnh apr-util-1.6.1]# make...gcc -E -DHAVE_CONFIG_H -DLINUX -D_REENTRANT -D_GNU_SOURCE -I/root/xbz/apr-util-1.6.1/include -I/root/xbz/apr-util-1.6.1/include/private -I/usr/local/src/apr/include/apr-1 exports.c | grep "ap_hack_" | sed -e "s/^.*[)]\(.*\);$/\1/" >> aprutil.expgcc -E -DHAVE_CONFIG_H -DLINUX -D_REENTRANT -D_GNU_SOURCE -I/root/xbz/apr-util-1.6.1/include -I/root/xbz/apr-util-1.6.1/include/private -I/usr/local/src/apr/include/apr-1 export_vars.c | sed -e "s/^\#[^!]*//" | sed -e "/^$/d" >> aprutil.expsed "s,^\(location=\).*$,\1installed," < apu-1-config > apu-config.outmake[1]: Leaving directory "/root/xbz/apr-util-1.6.1"http://編譯生成的Makefile文件,出現make[1]: Leaving directory "/root/xbz/apr-util-1.6.1"這個沒有關系可以繼續進行下一步安裝[root@lnh apr-util-1.6.1]# make install...See any operating system documentation about shared libraries formore information, such as the ld(1) and ld.so(8) manual pages.----------------------------------------------------------------------/usr/bin/install -c -m 644 aprutil.exp /usr/local/src/apr-util/lib/usr/bin/install -c -m 755 apu-config.out /usr/local/src/apr-util/bin/apu-1-config//進行安裝[root@lnh apr-util-1.6.1]# cd /usr/local/src/apr-util/[root@lnh apr-util]# lsbin include lib//切換到apr-util安裝目錄進行查看,默認情況下,系統搜索庫文件的路徑只有/lib,/usr/lib,我們需要進行修改在/etc/ld.so.conf.d/中創建以.conf為后綴名的文件,而后把要增添的路徑直接寫至此文件中。此時庫文件增添的搜索路徑重啟后有效,若要使用增添的路徑立即生效則要使用ldconfig命令[root@lnh apr-util]# cd /etc/ld.so.conf.d/[root@lnh ld.so.conf.d]# echo /usr/local/src/apr-util/ >apr-util.conf [root@lnh ld.so.conf.d]# cd -/usr/local/src/apr-util//切換到上一個工作目錄[root@lnh apr-util]# ln -s /usr/local/src/apr-util/include/ /usr/include/apr-util//將頭文件軟鏈接到/usr/include目錄下
折疊
安裝httpd
[root@lnh xbz]# tar -xf httpd-2.4.54.tar.gz [root@lnh xbz]# lsapr-1.7.0 apr-util-1.6.1 httpd-2.4.54apr-1.7.0.tar.gz apr-util-1.6.1.tar.gz httpd-2.4.54.tar.gz//解壓到當前目錄[root@lnh xbz]# cd httpd-2.4.54/[root@lnh httpd-2.4.54]# lsABOUT_APACHE CMakeLists.txt InstallBin.dsp READMEacinclude.m4 config.layout LAYOUT README.CHANGESApache-apr2.dsw configure libhttpd.dep README.cmakeApache.dsw configure.in libhttpd.dsp README.platformsapache_probes.d docs libhttpd.mak ROADMAPap.d emacs-style LICENSE serverbuild httpd.dep Makefile.in srclibBuildAll.dsp httpd.dsp Makefile.win supportBuildBin.dsp httpd.mak modules testbuildconfhttpd.spec NOTICE VERSIONINGCHANGES include NWGNUmakefilechanges-entries INSTALL os//查看被解壓出來的東西[root@lnh httpd-2.4.54]# ./configure --prefix=/usr/local/src/httpd --with-apr=/usr/local/src/apr --with-apr-util=/usr/local/src/apr-util...config.status: creating build/config_vars.shconfig.status: creating include/ap_config_auto.hconfig.status: executing default commandsconfigure: summary of build options: Server Version: 2.4.54 Install prefix: /usr/local/src/httpd C compiler: gcc CFLAGS: -g -O2 -pthread CPPFLAGS:-DLINUX -D_REENTRANT -D_GNU_SOURCE LDFLAGS: LIBS: C preprocessor: gcc -E//生成Makefile文件[root@lnh httpd-2.4.54]# make.../usr/local/src/apr/build-1/libtool --silent --mode=link gcc -g -O2 -pthread -o mod_rewrite.la -rpath /usr/local/src/httpd/modules -module -avoid-version mod_rewrite.lo make[4]: Leaving directory "/root/xbz/httpd-2.4.54/modules/mappers"make[3]: Leaving directory "/root/xbz/httpd-2.4.54/modules/mappers"make[2]: Leaving directory "/root/xbz/httpd-2.4.54/modules"make[2]: Entering directory "/root/xbz/httpd-2.4.54/support"make[2]: Leaving directory "/root/xbz/httpd-2.4.54/support"make[1]: Leaving directory "/root/xbz/httpd-2.4.54"http://編譯生成Makefile文件,出現的一些沒有讀取到的問題沒有關系,繼續進行下一步[root@lnh httpd-2.4.54]# make install...Installing man pages and online manualmkdir /usr/local/src/httpd/manmkdir /usr/local/src/httpd/man/man1mkdir /usr/local/src/httpd/man/man8mkdir /usr/local/src/httpd/manualmake[1]: Leaving directory "/root/xbz/httpd-2.4.54"http://進行安裝[root@lnh httpd-2.4.54]# cd /usr/local/src/httpd/[root@lnh httpd]# lsbin cgi-bin error icons logs manualbuild conf htdocs include man modules//切換到httpd的安裝目錄進行查看,默認情況下,系統搜索庫文件的路徑只有/lib,/usr/lib[root@lnh httpd]# ln -s /usr/local/src/httpd/include/ /usr/include/httpd[root@lnh httpd]# ll /usr/include/httpdlrwxrwxrwx. 1 root root 29 Jul 12 21:23 /usr/include/httpd -> /usr/local/src/httpd/include///將頭文件軟鏈接到/usr/include目錄下[root@lnh httpd]# echo "export PATH=$PATH:/usr/local/src/httpd/bin" > /etc/profile.d/httpd.sh[root@lnh httpd]# source /etc/profile.d/httpd.sh //配置httpd的全局環境變量,并生成效果[root@lnh httpd]# which httpd /usr/local/src/httpd/bin/httpd[root@lnh httpd]# vim /etc/man_db.confMANDATORY_MANPATH /usr/manMANDATORY_MANPATH /usr/share/manMANDATORY_MANPATH /usr/local/share/manMANDATORY_MANPATH /usr/local/src/httpd/man//添加后面這一行[root@lnh ~]# httpdAH00558: httpd: Could not reliably determine the server"s fully qualified domain name, using fe80::20c:29ff:fe57:f6f5%ens33. Set the "ServerName" directive globally to suppress this messagehttpd (pid 35719) already running//啟動服務[root@lnh ~]# ss -antlState Recv-Q Send-Q Local Address:Port Peer Address:Port Process LISTEN 0 128 0.0.0.0:22 0.0.0.0:* LISTEN 0 128 *:80 *:* LISTEN 0 128 [::]:22 [::]:*//查看端口 [root@lnh ~]# systemctl stop firewalld.service//關閉防火墻
折疊
服務80端口
源碼編譯報錯信息處理
checking for APR... noconfigure: error: APR not found. Please read the documentation.//解決方案[root@lnh xbz]# wget https://mirrors.aliyun.com/apache/apr/apr-1.7.0.tar.gz[root@lnh xbz]# wget https://mirrors.aliyun.com/apache/apr/apr-util-1.6.1.tar.gz提前把這兩個依賴包安裝好才可以進行生成Makefile文件無法進行生成兩個依賴包的Makefile文件//解決方案[root@lnh xbz]# dnf -y install gcc gcc-c++ make wget提前下載編譯工具
init程序的三種風格
- SysV?格:init(centos5),實現系統初始化時,隨后的初始化操作都是借助于腳本來實現的,(/etc/inittab)
- Upstart風格:init(centos6),由ubuntu研發的,通過總線形式以接近于并行的方式工作,效率比SysV高,配置文件(/etc/inittab,/etc/init/*.conf)
- Systemd風格:systemd(centos7),啟動速度快,系統引導時實現服務并行啟動,比前兩者的效率都高,配置文件(/usr/lib/systemd/system,/etc/systemd/system)
init程序三種風格的特點
SysV?格特點:
- 腳本中含有大量的命令,每個命令都要啟動一個進程,命令執行完以后就要終止這個進程。如此一來,系統初始化時將大量的創建進程,銷毀進程,工作效率會非常低
- 服務間可能會存在依賴關系,必須嚴格按照一定的順序來啟動服務,前一個服務沒啟動完后面的服務就無法執行啟動過程。不能并行進行
Upstart風格特點:
- 基于總線方式能夠讓進程間互相通信的一個應用程序
- 不用等服務啟動完成,只要一初始化就可以把自己的狀態返回給其他進程
Systemd風格特點:
- 啟動速度比SysV和Upstart都快
- 不需要通過任何腳本來啟動服務,systemd自身就可以啟動服務,其本身就是一個強大的解釋器,啟動服務時不需要sh/bash的參與
- systemd不真正在系統初始化時去啟動任何一個服務只要服務沒用到,它告訴你啟動了,實際上并沒有啟動。僅當第一次去訪問時才會真正啟動服務
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