Commands

sudo apt-get install nethogssudo nethogs eth0sudo apt-get install ifstatifstatsudo apt-get install iftopsudo iftop -i eth0sudo apt-get install slurmslurm -i e

$ sudo fuser /var/cache/debconf/config.dat/var/cache/debconf/config.dat: 15211$ ps aux | grep 15211root     15211  0.0  0.3  63464 12272 pts/2    S+   22:55   0:00 /usr/bin/perl -w /usr/share/de

安装桌面:sudo apt-get install ubuntu-desktop取消GUI自动启动:update-rc.d-fgdm remove恢复GUI自动启动:update-rc.dgdm defaults

1. sudo cp /etc/bash.bashrc /etc/bash.bashrc_backup2. sudo vim /etc/bash.bashrcexport ANDROID_HOME=/usr/local/android/sdkexport PATH=/usr/local/apktool:$PATHexport PATH=/usr/local/android/sdk/to

1.rcconfsudo apt-get install rcconfsudo ln -s /bin/whiptail /usr/bin/whiptailsudo rcconf2.sysv-rc-conf sudo apt-get install sysv-rc-confsudo sysv-rc-conf

1:A,B之间安装ipref1)sudo apt-get install iperf2.A上面运行 1) sudo ufw allow 5001/tcp2) iperf -s 3.B运行:1)iperf -c 192.168.168.238 -t 60

Using the Webmin APT repositoryIf you like to install and update Webmin via APT, edit the /etc/apt/sources.list file on your system and add the lines :deb http://download.webmin.com/download/rep

直接php+mysql这是Linux web服务器的黄金组合。今天我们一来学如何在ubuntu 12.04 中搭建lnmp环境。1. 使用官方PPA安装 Nginx 最新版本，使用以下命令：sudo add-apt-repository ppa:nginx/stablesudo apt-get updatesudo apt-get install nginxNginx相关控

sudo apt-get install pure-ftpdsudo ufw allow 21/tcpsudo groupadd ftpgroupsudo useradd -g ftpgroup -d /dev/null -s /etc ftpusersudo pure-pw useradd user1 -u ftpuser -d /workspace/ -msudo ln -s /et

1. sudo pip install ngxtop2. ngxtop

sudo vi /etc/resolvconf/resolv.conf.d/basesudo vi /etc/resolv.conf

如何安装$ sudo apt-add-repository ppa:arnaud-hartmann/glances-stable$ sudo apt-get update$ sudo apt-get install glances如何使用# glancesGlances 中颜色的含义Glances 会用一下几种颜色来代表状态：绿色：OK（一切正常）蓝色：CAREFUL（需要注意）紫色：

sudo vim /etc/network/interfacessudo /etc/init.d/networking restart

tar -C /usr/local -xzf go1.2.1.linux-amd64.tar.gzexport PATH=$PATH:/usr/local/go/bingo get github.com/astaxie/beegogo get github.com/beego/beego get github.com/coopernurse/gorp

vi /etc/security/limits.conf添加：* soft nofile 65535* hard nofile 65535

sudo add-apt-repository ppa:webupd8team/javasudo apt-get updatesudo apt-get install oracle-java7-installerIt'll keep your java 7 installation up to date.To automatically set up the Jav

1.sudo apt-get install python-pip2.sudo pip install dex 3.dex -f /var/log/mongodb/mongodb.log mongodb://localhost/plugin

sudo apt-get install ia32-libssudo apt-get install lib32ncurses5 lib32stdc++6

1. iftopsudo apt-get install iftopsudo iftop -i eth02. slurmsudo apt-get install slurmslurm -i eth03. vnstatsudo apt-get install vnstatsudo chmod o+x /usr/bin/vnstat 

sudo vim /etc/fstabc /mnt/c   vboxsf   defaults 0 0 d /mnt/d   vboxsf   defaults 0 0 e /mnt/e   vboxsf   defaults 0 0 r /mnt/r   vboxsf   defaults 0 0

tmux是一个优秀的终端复用软件，类似GNU Screen，但来自于OpenBSD，采用BSD授权。使用它最直观的好处就是，通过一个终端登录远程主机并运行tmux后，在其中可以开启多个控制台而无需再“浪费”多余的终端来连接这台远程主机；当然其功能远不止于此。安装　可以使用Ports安装tmux，位置在/usr/ports/sysutils/tmux/；tmux仅有一个依赖包libevent

sudo apt-get install libapache2-mod-bwsudo a2enmod bwopen /etc/apache2/apache2.conf:BandWidthModule OnLargeFileLimit .apk 30 23000

一、创建证书　　证书(Cerificate)的基本作用是将一个公钥和安全个体(个人、公司、组织等)的名字绑定在一起。　　一般情况下，制作证书要经过几个步骤，如上图所示。首先用openssl genrsa生成一个私钥，然后用openssl req生成一个签署请求，最后把请求交给CA，CA签署后就成为该CA认证的证书了。如果在第二步请求时加上-x509参数，那么就直接生成一个self-

netstat -atun | awk '{print $5}' | cut -d: -f1 | sed -e '/^$/d' |sort | uniq -c | sort -n

1./etc/hosts2./etc/hostname

Installing Security ToolsThe Ubuntu repositories contain several useful tools for maintaining a secure network and network administration. This page attempts to list the most popular and useful of

netstat -atun | awk '{print $5}' | cut -d: -f1 | sed -e '/^$/d' |sort | uniq -c | sort -nsudo iptables -t filter -A INPUT -s 211.138.125.212 -i eth0 -j DROPsudo iptables -t filter -A INPUT

sudo apt-get install python-software-propertiessudo add-apt-repository ppa:natecarlson/maven3sudo apt-get update && sudo apt-get install maven3sudo ln -s /usr/bin/mvn3 /usr/bin/mvn

安装nginxsudo apt-get install nginxUbuntu安装之后的文件结构大致为：所有的配置文件都在/etc/nginx下，并且每个虚拟主机已经安排在了/etc/nginx/sites-available下程序文件在/usr/sbin/nginx日志放在了/var/log/nginx中并已经在/etc/init.d/下创建了启动脚本nginx默认的虚拟主机的目

方法1: 使用vim打开timezone直接修改成"Asia/Shanghai"。vim /etc/timezone方法2: 使用以下命令打开交互式界面来更改系统时区。sudo dpkg-reconfigure tzdata

LVS Server : 192.168.0.201Virtual IP : 192.168.0.220Real Server1 : 192.168.0.202Real Server2 : 192.168.0.203Real Server1(192.168.0.202) & Real Server2(192.168.0.203), do following same setti

1: sudo gedit /etc/default/grub2: 找到 GRUB_CMDLINE_LINUX_DEFAULT=”quiet splash”3: 改为 GRUB_CMDLINE_LINUX_DEFAULT=”quiet splash text”3: 运行 sudo update-grub重启

If you are getting error “Too many open files (24)” then your application/command/script is hitting max open file limit allowed by linux. You need to increase open file limit as below:Increase lim