wittyResry
commented
8 years ago Closed wittyResry closed 8 years ago
wittyResry
commented
8 years ago wittyResry
commented
8 years ago $ uname -a # 查看内核/操作系统/CPU信息
$ head -n 1 /etc/issue # 查看操作系统版本
$ cat /proc/cpuinfo # 查看CPU信息
$ hostname # 查看计算机名
$ lspci -tv # 列出所有PCI设备
$ lsusb -tv # 列出所有USB设备
$ lsmod # 列出加载的内核模块
$ env # 查看环境变量资源
$ free -m # 查看内存使用量和交换区使用量
$ df -h # 查看各分区使用情况
$ du -sh <目录名> # 查看指定目录的大小
$ grep MemTotal /proc/meminfo # 查看内存总量
$ grep MemFree /proc/meminfo # 查看空闲内存量
$ uptime # 查看系统运行时间、用户数、负载
$ cat /proc/loadavg # 查看系统负载磁盘和分区
$ mount | column -t # 查看挂接的分区状态
$ fdisk -l # 查看所有分区
$ swapon -s # 查看所有交换分区
$ hdparm -i /dev/hda # 查看磁盘参数(仅适用于IDE设备)
$ dmesg | grep IDE # 查看启动时IDE设备检测状况网络
$ ifconfig # 查看所有网络接口的属性
$ iptables -L # 查看防火墙设置
$ route -n # 查看路由表
$ netstat -lntp # 查看所有监听端口
$ netstat -antp # 查看所有已经建立的连接
$ netstat -s # 查看网络统计信息进程
$ ps -ef # 查看所有进程
$ top # 实时显示进程状态用户
$ w # 查看活动用户
$ id <用户名> # 查看指定用户信息
$ last # 查看用户登录日志
$ cut -d: -f1 /etc/passwd # 查看系统所有用户
$ cut -d: -f1 /etc/group # 查看系统所有组
$ crontab -l # 查看当前用户的计划任务服务
$ chkconfig –list # 列出所有系统服务
$ chkconfig –list | grep on # 列出所有启动的系统服务程序
$ rpm -qa # 查看所有安装的软件包解决安装rvm
[qingyu@localhost ~]$ gpg --keyserver hkp://keys.gnupg.net --recv-keys D39DC0E3
gpg: 下载密钥‘D39DC0E3’，从 hkp 服务器 keys.gnupg.net
gpg: /usr/qingyu/.gnupg/trustdb.gpg：建立了信任度数据库
gpg: 密钥 D39DC0E3：公钥“Michal Papis (RVM signing) <mpapis@gmail.com>”已导入
gpg: 没有找到任何绝对信任的密钥
gpg: 合计被处理的数量：1
gpg: 已导入：1 (RSA: 1)
[qingyu@localhost ~]$ curl -sSL https://get.rvm.io | bash -s stable
Downloading https://github.com/rvm/rvm/archive/1.27.0.tar.gz
Downloading https://github.com/rvm/rvm/releases/download/1.27.0/1.27.0.tar.gz.asc
gpg: 于 2016年03月29日 星期二 21时49分47秒 CST 创建的签名，使用 RSA，钥匙号 BF04FF17
gpg: 完好的签名，来自于“Michal Papis (RVM signing) <mpapis@gmail.com>”
gpg: 警告：这把密钥未经受信任的签名认证！
gpg: 没有证据表明这个签名属于它所声称的持有者。
主钥指纹： 409B 6B17 96C2 7546 2A17 0311 3804 BB82 D39D C0E3
子钥指纹： 62C9 E5F4 DA30 0D94 AC36 166B E206 C29F BF04 FF17
GPG verified '/usr/qingyu/.rvm/archives/rvm-1.27.0.tgz'
Installing RVM to /usr/qingyu/.rvm/
Adding rvm PATH line to /usr/qingyu/.profile /usr/qingyu/.mkshrc /usr/qingyu/.bashrc /usr/qingyu/.zshrc.
Adding rvm loading line to /usr/qingyu/.profile /usr/qingyu/.bash_profile /usr/qingyu/.zlogin.
Installation of RVM in /usr/qingyu/.rvm/ is almost complete:
* To start using RVM you need to run `source /usr/qingyu/.rvm/scripts/rvm`
in all your open shell windows, in rare cases you need to reopen all shell windows.
# Qingyu Li,
#
# Thank you for using RVM!
# We sincerely hope that RVM helps to make your life easier and more enjoyable!!!
#
# ~Wayne, Michal & team.
In case of problems: https://rvm.io/help and https://twitter.com/rvm_io
* WARNING: You have '~/.profile' file, you might want to load it,
to do that add the following line to '/usr/qingyu/.bash_profile':
source ~/.profile[qingyu@localhost ~]$ gem install jekyll
Fetching: colorator-0.1.gem (100%)
Successfully installed colorator-0.1
Fetching: sass-3.4.22.gem (100%)
Successfully installed sass-3.4.22
Fetching: jekyll-sass-converter-1.4.0.gem (100%)
Successfully installed jekyll-sass-converter-1.4.0
Fetching: rb-fsevent-0.9.7.gem (100%)
Successfully installed rb-fsevent-0.9.7
Fetching: ffi-1.9.10.gem (100%)
Building native extensions. This could take a while...
Successfully installed ffi-1.9.10
Fetching: rb-inotify-0.9.7.gem (100%)
Successfully installed rb-inotify-0.9.7
Fetching: listen-3.0.8.gem (100%)
Successfully installed listen-3.0.8
Fetching: jekyll-watch-1.4.0.gem (100%)
Successfully installed jekyll-watch-1.4.0
Fetching: kramdown-1.11.1.gem (100%)
Successfully installed kramdown-1.11.1
Fetching: liquid-3.0.6.gem (100%)
Successfully installed liquid-3.0.6
Fetching: mercenary-0.3.6.gem (100%)
Successfully installed mercenary-0.3.6
Fetching: rouge-1.10.1.gem (100%)
Successfully installed rouge-1.10.1
Fetching: safe_yaml-1.0.4.gem (100%)
Successfully installed safe_yaml-1.0.4
Fetching: jekyll-3.1.6.gem (100%)
ERROR: Error installing jekyll:
jekyll requires Ruby version >= 2.0.0.Solve with $ rvm install 2.0.0 && gem install jekyll