BlogJava-Angi Forever-文章分类-Linux

Linux查询软件安装位置

Angi Wang — Wed, 12 Jan 2011 07:37:00 GMT

[root@localhost ~]# which svn
/usr/bin/svn
[root@localhost ~]#

Angi Wang 2011-01-12 15:37 发表评论

alias

Angi Wang — Wed, 12 Jan 2011 03:22:00 GMT

[root@localhost ~]# alias
alias cp='cp -i'
alias l.='ls -d .* --color=tty'
alias ll='ls -l --color=tty'
alias ls='ls --color=tty'
alias mv='mv -i'
alias rm='rm -i'
alias which='alias | /usr/bin/which --tty-only --read-alias --show-dot --show-tilde'
[root@localhost ~]#

[root@localhost ~]# cp install.log test/
cp: overwrite `test/install.log'?
#Angi, 会提示是否覆盖，因为cp命令被alias为cp -i了。

[root@localhost ~]# \cp install.log test/
[root@localhost ~]#
#Angi，使用\cp命令，不提示是否覆盖了

还有一种方法，不过，不推荐，修改cp的alias
[root@localhost ~]# alias cp=‘cp’

这个在sh脚本中可能比较有用。

Angi Wang 2011-01-12 11:22 发表评论

scp password not required any more

Angi Wang — Wed, 12 Jan 2011 02:37:00 GMT

如下操作可以使本地通过scp传输文件到192.168.1.180时不用输入密码。
[root@localhost ~]# ssh-keygen -b 1024 -t rsa
Generating public/private rsa key pair.
Enter file in which to save the key (/root/.ssh/id_rsa):
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /root/.ssh/id_rsa.
Your public key has been saved in /root/.ssh/id_rsa.pub.
The key fingerprint is:
0e:30:f8:e8:18:4b:a2:e5:47:de:89:f5:5b:88:b5:25 root@localhost.localdomain
[root@localhost ~]# scp .ssh/id_rsa.pub root@192.168.1.180:/root/.ssh/authorized_keys
root@192.168.1.180's password:
id_rsa.pub 100% 236 0.2KB/s 00:00
[root@localhost ~]# scp /opt/log/oss.log root@192.168.1.180:/root
oss.log 100% 40KB 40.1KB/s 00:00
[root@localhost ~]#

Angi Wang 2011-01-12 10:37 发表评论