51工具盒子常用命令 {#常用命令}
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161
# 查询系统信息 uname -a # 查CPU信息 lscpu # 查IP hostname -I # 查日期 date -R # 修改日期 date -s 11/03/2023 date -s 17:55:55 # 查当前用户 whoami # 切root用户，需要root用户密码 su - root # 提升为root权限，需要输入当前用户的密码 sudo -i # 查询内存 free -h // 显示内存单位 free -m // 以MB为单位 # 查询进程 jps ps -ef | grep java grep -v grep // 过滤掉grep自身 pgrep prometheus // 查询当前用户下的Prometheus进程号 ps -ef | grep prometheus.yml | grep -v grep //查询Prometheus进程 # 自动创建需要的上级目录 mkdir -p # zip压缩 zip -p -r deploy.zip deploy/ // 压缩指定目录的文件 zip -p -r deploy.zip * // 压缩当前目录所有文件 # zip解压 unzip deploy.zip // 解压到当前目录 unzip deploy.zip -d deploy/ // 解压到指定目录 # tar压缩，-z表示gzip格式 tar zcvf smart-monitor.tar.gz ./smart-monitor # tar解压，-z表示gzip格式 tar zxvf smart-monitor.tar.gz // 解压到当前目录 tar zxvf smart-monitor.tar.gz -C ./smart-monitor // 解压到指定目录 # gzip解压 gzip -d xx.gz # 查询网络、端口 ssh -v ip -p port nc -vz -w 2 ip port telnet ip port netstat -anp | grep port # sftp，-r表示递归 sftp user@ip cd xx // 切换到xx目录 put xx // 传输xx文件到远程机器当前目录 put -r deploy deploy // 将deploy目录的所有文件都传输到远程机器的deploy目录 get xx // 下载远程机器的xx文件到本地 exit // 退出sftp # 移动文件，可用于重命名 mv source target # 删除文件 rm xx rm -rf xx // 递归删除，慎用 # 搜索文本关键字 grep -rn apollo.token /home/test/apps/config/config.properties // 搜索到的关键字所在行会回显在控制台 grep -rl apollo.token /home/test/apps/config/config.properties // 只会把搜索到的文件名回显在控制台 # 搜索文件 find ./ -name client.jar* # CPU时间使用统计 top // top里的时间是分:秒 ps -ef // ps里的时间是时:分:秒 # 挂起信号，让进程重新加载配置文件 kill -1 xxx // 让进程退出，不要用-9 kill -15 xxx kill -9 </span> ps -ef <span class="p"> | </span> grep prometheus-2.34.0.linux-amd64 <span class="p"> | </span> grep -v grep <span class="p"> | </span> awk <span class="s1"> '{print $2}' </span> <span class="sb"> && sleep 10 # 查询使用过的命令 history history | grep start # 改权限 chmod -R 755 client.jar # 安装，需root yum install perl // 卸载 yum remove perl # 查看安装软件 yum list installed | grep perl # curl curl -H "Content-Type: application/json" -X GET -d '{"body":"test123"}' "http://localhost:1234/test" curl -H "Content-Type: application/json" -X POST -d '{"body":"test123"}' "http://localhost:1234/test" curl -H "Content-Type: application/json" -X POST -d @test.json "http://localhost:1234/test" // 读取指定文件内容作为body # 实时日志 tail -f -n 50 xx.log # 塞满磁盘 /dev/urandom // 伪随机，但不阻塞 /dev/random // 真随机，但阻塞 /dev/zero // 初始化 dd if = /dev/zero of = /home/apps/logs/test/filldisk bs = 1M count = 1G // 用1G个1M大小的块文件塞满指定磁盘 # 查看磁盘 df -h du -h du -d 1 -h // 统计深度为1的目录大小 # 防火墙 firewall-cmd --state systemctl start firewalld.service systemctl stop firewalld.service systemctl restart firewalld.service # 查看文件编码 file -i common.log # 进入vi后再查看编码 vi common.log :set fileencoding # docker，需root用户 docker ps // 查看docker内的进程 docker exec -it xxxx bash // 进入docker部署的进程 # 远程连接机器时指定秘钥算法 ssh -c 3des-cbc user@ip # 查看系统日志 /var/log/messages // messages日志可能滚动成多个同名日志 # aix机器可以用bash来使用便捷命令 bash # 统计行数 netstat -anp | grep 9080 | grep ESTABLISHED | wc -l netstat -anp | grep 9080 | grep TIME_WAIT | wc -l # 边车OOM无法新建SkyWalking进程 # 查看当前用户下的max user processes数量，改大为4096 ulimit -a cd /etc/security/limits.d/ // 需要修改当前目录下的文件 ls vi 90-nproc.conf // 下面是文件内的内容 * soft nproc 4096 root soft nproc unlimited 
