在 Ubuntu 系统安装 Redi 可以使用以下命令:$sudo apt-get update$sudo apt-get install redis-server启动 Redis$ redis-server查看 redis 是否启动？$ redis-cli以上命令将打开以下终端：redis 127.0.0.1:6379>127.0.0.1 是本机 IP ，6379 是 redis 服务端口。现在我们输入 PING 命令。redis 127.0.0.1:6379> pingPONG以上说明我们已经成功安装了redis。

hongdada@ubuntu:~$ sudousage: sudo -h | -K | -k | -Vusage: sudo -v [-AknS] [-g group] [-h host] [-p prompt] [-u user]usage: sudo -l [-AknS] [-g group] [-h host] [-p prompt] [-U user] [-u user]            [command]usage: sudo [-AbEHknPS] [-r role] [-t type] [-C num] [-g group] [-h host] [-p            prompt] [-u user] [VAR=value] [-i|-s] [<command>]usage: sudo -e [-AknS] [-r role] [-t type] [-C num] [-g group] [-h host] [-p            prompt] [-u user] file ...hongdada@ubuntu:~$ sudo apt-get update[sudo] hongdada 的密码： 获取:1 http://security.ubuntu.com/ubuntu xenial-security InRelease [102 kB]命中:2 http://us.archive.ubuntu.com/ubuntu xenial InRelease           获取:3 http://us.archive.ubuntu.com/ubuntu xenial-updates InRelease [102 kB]命中:4 http://archive.ubuntukylin.com:10006/ubuntukylin xenial InRelease获取:5 http://us.archive.ubuntu.com/ubuntu xenial-backports InRelease [102 kB]获取:6 http://us.archive.ubuntu.com/ubuntu xenial/main Translation-zh_CN [74.8 kB]获取:7 http://us.archive.ubuntu.com/ubuntu xenial/restricted Translation-zh_CN [1,652 B]获取:8 http://us.archive.ubuntu.com/ubuntu xenial/universe Translation-zh_CN [172 kB]获取:9 http://us.archive.ubuntu.com/ubuntu xenial/multiverse Translation-zh_CN [4,984 B]已下载 559 kB，耗时 14秒 (38.0 kB/s)                                  E: 无法获得锁 /var/lib/dpkg/lock - open (11: 资源暂时不可用)E: 无法锁定管理目录(/var/lib/dpkg/)，是否有其他进程正占用它？hongdada@ubuntu:~$ ^Chongdada@ubuntu:~$ sodo rm /var/cache/apt/archives/lock未找到 ‘sodo‘ 命令，您要输入的是否是： 命令 ‘todo‘ 来自于包 ‘devtodo‘ (universe) 命令 ‘solo‘ 来自于包 ‘sgt-puzzles‘ (universe) 命令 ‘sudo‘ 来自于包 ‘sudo-ldap‘ (universe) 命令 ‘sudo‘ 来自于包 ‘sudo‘ (main)sodo：未找到命令hongdada@ubuntu:~$ sudo rm /var/cache/apt/archives/lockhongdada@ubuntu:~$ sudo rm /var/lib/dpkg/lockhongdada@ubuntu:~$ sudo apt-get update命中:1 http://archive.ubuntukylin.com:10006/ubuntukylin xenial InRelease获取:2 http://security.ubuntu.com/ubuntu xenial-security InRelease [102 kB]命中:3 http://us.archive.ubuntu.com/ubuntu xenial InRelease获取:4 http://us.archive.ubuntu.com/ubuntu xenial-updates InRelease [102 kB]获取:5 http://us.archive.ubuntu.com/ubuntu xenial-backports InRelease [102 kB]已下载 306 kB，耗时 8秒 (37.6 kB/s)                                   正在读取软件包列表... 完成hongdada@ubuntu:~$ sudo apt-get install redis-server正在读取软件包列表... 完成正在分析软件包的依赖关系树       正在读取状态信息... 完成       下列软件包是自动安装的并且现在不需要了：  libpango1.0-0 libpangox-1.0-0使用‘sudo apt autoremove‘来卸载它(它们)。将会同时安装下列软件：  libjemalloc1 redis-tools建议安装：  ruby-redis下列【新】软件包将被安装：  libjemalloc1 redis-server redis-tools升级了 0 个软件包，新安装了 3 个软件包，要卸载 0 个软件包，有 27 个软件包未被升级。需要下载 517 kB 的归档。解压缩后会消耗 1,505 kB 的额外空间。您希望继续执行吗？ [Y/n] Y获取:1 http://us.archive.ubuntu.com/ubuntu xenial/universe amd64 libjemalloc1 amd64 3.6.0-9ubuntu1 [78.9 kB]获取:2 http://us.archive.ubuntu.com/ubuntu xenial/universe amd64 redis-tools amd64 2:3.0.6-1 [95.3 kB]获取:3 http://us.archive.ubuntu.com/ubuntu xenial/universe amd64 redis-server amd64 2:3.0.6-1 [343 kB]已下载 517 kB，耗时 37秒 (13.9 kB/s)                                  正在选中未选择的软件包 libjemalloc1。(正在读取数据库 ... 系统当前共安装有 205743 个文件和目录。)正准备解包 .../libjemalloc1_3.6.0-9ubuntu1_amd64.deb  ...正在解包 libjemalloc1 (3.6.0-9ubuntu1) ...正在选中未选择的软件包 redis-tools。正准备解包 .../redis-tools_2%3a3.0.6-1_amd64.deb  ...正在解包 redis-tools (2:3.0.6-1) ...正在选中未选择的软件包 redis-server。正准备解包 .../redis-server_2%3a3.0.6-1_amd64.deb  ...正在解包 redis-server (2:3.0.6-1) ...正在处理用于 libc-bin (2.23-0ubuntu5) 的触发器 ...正在处理用于 man-db (2.7.5-1) 的触发器 ...正在处理用于 systemd (229-4ubuntu16) 的触发器 ...正在处理用于 ureadahead (0.100.0-19) 的触发器 ...正在设置 libjemalloc1 (3.6.0-9ubuntu1) ...正在设置 redis-tools (2:3.0.6-1) ...正在设置 redis-server (2:3.0.6-1) ...正在处理用于 libc-bin (2.23-0ubuntu5) 的触发器 ...正在处理用于 systemd (229-4ubuntu16) 的触发器 ...正在处理用于 ureadahead (0.100.0-19) 的触发器 ...hongdada@ubuntu:~$ redis-server5703:C 20 Feb 22:02:38.206 # Warning: no config file specified, using the default config. In order to specify a config file use redis-server /path/to/redis.conf5703:M 20 Feb 22:02:38.206 * Increased maximum number of open files to 10032 (it was originally set to 1024).                _._                                                             _.-``__ ‘‘-._                                                   _.-``    `.  `_.  ‘‘-._           Redis 3.0.6 (00000000/0) 64 bit  .-`` .-```.  ```\/    _.,_ ‘‘-._                                    (    ‘      ,       .-`  | `,    )     Running in standalone mode |`-._`-...-` __...-.``-._|‘` _.-‘|     Port: 6379 |    `-._   `._    /     _.-‘    |     PID: 5703  `-._    `-._  `-./  _.-‘    _.-‘                                    |`-._`-._    `-.__.-‘    _.-‘_.-‘|                                   |    `-._`-._        _.-‘_.-‘    |           http://redis.io          `-._    `-._`-.__.-‘_.-‘    _.-‘                                    |`-._`-._    `-.__.-‘    _.-‘_.-‘|                                   |    `-._`-._        _.-‘_.-‘    |                                    `-._    `-._`-.__.-‘_.-‘    _.-‘                                         `-._    `-.__.-‘    _.-‘                                                 `-._        _.-‘                                                         `-.__.-‘                                               5703:M 20 Feb 22:02:38.206 # WARNING: The TCP backlog setting of 511 cannot be enforced because /proc/sys/net/core/somaxconn is set to the lower value of 128.5703:M 20 Feb 22:02:38.206 # Server started, Redis version 3.0.65703:M 20 Feb 22:02:38.206 # WARNING overcommit_memory is set to 0! Background save may fail under low memory condition. To fix this issue add ‘vm.overcommit_memory = 1‘ to /etc/sysctl.conf and then reboot or run the command ‘sysctl vm.overcommit_memory=1‘ for this to take effect.5703:M 20 Feb 22:02:38.206 # WARNING you have Transparent Huge Pages (THP) support enabled in your kernel. This will create latency and memory usage issues with Redis. To fix this issue run the command ‘echo never > /sys/kernel/mm/transparent_hugepage/enabled‘ as root, and add it to your /etc/rc.local in order to retain the setting after a reboot. Redis must be restarted after THP is disabled.5703:M 20 Feb 22:02:38.206 * The server is now ready to accept connections on port 6379

E: 无法获得锁 /var/lib/dpkg/lock - open (11: 资源暂时不可用)E: 无法锁定管理目录(/var/lib/dpkg/)，是否有其他进程正占用它？hongdada@ubuntu:~$ ^Chongdada@ubuntu:~$ sodo rm /var/cache/apt/archives/lock未找到 ‘sodo‘ 命令，您要输入的是否是： 命令 ‘todo‘ 来自于包 ‘devtodo‘ (universe) 命令 ‘solo‘ 来自于包 ‘sgt-puzzles‘ (universe) 命令 ‘sudo‘ 来自于包 ‘sudo-ldap‘ (universe) 命令 ‘sudo‘ 来自于包 ‘sudo‘ (main)sodo：未找到命令hongdada@ubuntu:~$ sudo rm /var/cache/apt/archives/lockhongdada@ubuntu:~$ sudo rm /var/lib/dpkg/lock