Apache Linux上RPM包卸载 备忘
[root@apache02 home]# rpm -q -a|grep http
httpd-2.0.52-25.ent
httpd-manual-2.0.52-25.ent
system-config-httpd-1.3.1-1
httpd-devel-2.0.52-25.ent
httpd-suexec-2.0.52-25.ent
#rpm -e httpd-2.0.52-25.ent
error: Failed dependencies:
httpd-mmn = 20020903 is needed by (installed) mod_auth_kerb-5.0-1.i386
httpd-mmn = 20020903 is needed by (installed) mod_auth_mysql-2.6.1-2.2.i386
httpd-mmn = 20020903 is needed by (installed) mod_auth_pgsql-2.0.1-7.1.i386
.........................................
webserver is needed by (installed) webalizer-2.01_10-25.i386
webserver is needed by (installed) mailman-2.1.5.1-34.rhel4.3.i386
webserver is needed by (installed) htdig-web-3.2.0b6-3.40.2.rhel4.i386
httpd = 2.0.52-25.ent is needed by (installed) httpd-manual-2.0.52-25.ent.i386
httpd = 2.0.52-25.ent is needed by (installed) httpd-suexec-2.0.52-25.ent.i386
httpd >= 2.0.40 is needed by (installed) mod_auth_pgsql-2.0.1-7.1.i386
httpd >= 2.0.40 is needed by (installed) mod_perl-1.99_16-4.i386
.......................................
httpd = 2.0.52 is needed by (installed) httpd-devel-2.0.52-25.ent.i386
[root@apache02 home]# rpm -e httpd-2.0.52-25.ent --nodeps
warning: /etc/httpd/conf/httpd.conf saved as /etc/httpd/conf/httpd.conf.rpmsave
注：加上--nodeps （不检查依赖性）。因为有些软件是相互依赖的，先卸哪个都不行，就得用nodeps这个参数才行。
[root@apache02 home]#
[root@apache02 home]# rpm -e httpd-manual-2.0.52-25.ent
[root@apache02 home]# rpm -
相关文档：
1. 学会写简单的makefile
2. 编一些应用
程序
，可以用makefile跑起来
3. 学会写驱动
的makefile
4. 写一简单char驱动，makefile编译通过，可以insmod， lsmod， rmmod. 在驱动的init函数里打印hello world，insmod后应该能够通过dmesg看到输出
。
5. 写一完整驱动， 加上read， write， ioctl， polling等� ......
.tar
解包： tar xvf FileName.tar
打包：tar cvf FileName.tar DirName
（注：tar是打包，不是压缩！）
---------------------------------------------
.gz
解压1：gunzip FileName.gz
解压2：gzip -d FileName.gz
压缩：gzip FileName
.tar.gz
解压：tar zxvf FileName.tar.gz
压缩：tar zcvf FileName.tar ......
具体为：sudo chown cjfh /CJFH1 将/CJFH1的属主更改为“cjfh”（我的用户名）
于是就可以对/CJFH1里的文件进行操作了。
完成之后，觉得自己对命令的熟悉程度不高，需进一步学习；
顺便将chown学了一下：
chown 命令
用途 更改与文件关联的所有者或组。
语法
chown [ -f ] [ -h ] [&nbs ......
top命令是Linux下常用的性能分析工具，能够实时显示系统中各个进程的资源占用状况，类似于Windows的任务管理器。下面详细介绍它的使用方法。
top - 01:06:48 up 1:22, 1 user, load average: 0.06, 0.60, 0.48
Tasks: 29 total, 1 running, 28 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.3% us, 1. ......
Info
Name
Version
Home URL(Download HOme)
Install Path
Remark
MySQL
5.1.35
http://dev.mysql.com/downloads/mysql/5.1.html#source
/usr/local/mysql
Install
[root@wzhu ~]# groupadd mysql
[root@wzhu ~]# useradd -g mysql -m -d /usr/local/mysql -r mysql
[root@wzhu ~]# tar zxf mys ......
