随笔分类 -  RHEL

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when use sudo to run a specified command which is not found in os, sudo will ask you for password even if you have configured NOPASSWD for this user.
摘要：I observe this issue below: abc@ubuntu:~$ sudo - i [sudo] password for abc: sudo: -: command not found abc@ubuntu:~$ sudo -i root@ubuntu:~# sudo comma 阅读全文
posted @ 2022-05-17 15:05 素丶素 阅读(117) 评论(0) 推荐(0)
linux openssl
摘要：SM2椭圆曲线 openssl ecparam -list_curves SM3哈希摘要 echo -n "abc" | openssl dgst -SM3 SM4对称加密 openssl enc -ciphers 阅读全文
posted @ 2022-05-13 21:49 素丶素 阅读(79) 评论(0) 推荐(0)
linux kernel 发布规则
摘要：摘自 Linux Kernel in a nutshell In the past, the Linux kernel was split into only two trees, the “development” branch and the “stable” branch. The devel 阅读全文
posted @ 2022-03-31 21:44 素丶素 阅读(69) 评论(0) 推荐(0)
Linux 启动流程
摘要：![image](https://img2022.cnblogs.com/blog/689104/202203/689104-20220331211652605-1806406376.png) 阅读全文
posted @ 2022-03-31 21:17 素丶素 阅读(38) 评论(0) 推荐(0)
Linux 精心设计的操作
摘要：compress & uncompress bzcat -c cpjs.tar.bz2 | tar -xvf - gunzip -c jdk-8u191-linux-x64.tar.gz | tar -xvf - 验证GPG gpg --import xxx.gpg.key gpg --verify 阅读全文
posted @ 2021-11-25 14:52 素丶素 阅读(33) 评论(0) 推荐(0)
os auto installtion
摘要：Windows：WDS，SCCM，PXE＋kickstart Linux：cobbler，PXE＋kickstart，UNetbootin，AutoYaST AIX：nim，powervc 阅读全文
posted @ 2021-11-25 14:36 素丶素 阅读(38) 评论(0) 推荐(0)
Linux /var/log/messages 偶尔会发生time reset +6.288863s
摘要：ntp 算法 combine algorithm intersection algorithm 27 Jul 11:11:08 ntpd[100258]: 0.0.0.0 c515 05 clock_sync 27 Jul 11:13:41 ntpd[100258]: 0.0.0.0 0613 03 阅读全文
posted @ 2021-11-25 13:50 素丶素 阅读(210) 评论(0) 推荐(0)
linux设置静态路由
摘要：![image](https://img2020.cnblogs.com/blog/689104/202111/689104-20211118234154490-1781473749.png) 阅读全文
posted @ 2021-11-18 23:42 素丶素 阅读(39) 评论(0) 推荐(0)
多路径 on linux
摘要：多路径 on linux powerpath # 安装EMC多路径rpm包 rpm -ivh EMCpower.LINUX-5.3.1.02.00-007.rhel.i386.rpm # 开始安装，并输入注册码 emcpreg -install # 启动powermt /etc/init.d/Pow 阅读全文
posted @ 2021-09-04 21:32 素丶素 阅读(85) 评论(0) 推荐(0)
Tuning Kernel Parameters in RHEL
摘要：tcp_fin_timeout tcp_max_tw_buckets Changing tcp_fin_timeout and tcp_max_tw_buckets NR_OPEN is the maximum number of files that can be opened by proces 阅读全文
posted @ 2021-07-24 14:40 素丶素 阅读(37) 评论(0) 推荐(0)
Linux vnc
摘要：Table of Contents vnc Reference vnc # for rhel yum install tigervnc-server rpm -ql tigervnc-server vncserver vncserver -list vncserver -kill :x Refere 阅读全文
posted @ 2021-07-23 13:48 素丶素 阅读(71) 评论(0) 推荐(0)
linux - 内核模块的加载与卸载
摘要：modules lsmod modinfo rmmod insmod depmod cat /proc/modules ldd /path/to/binary-file 阅读全文
posted @ 2021-07-19 11:19 素丶素 阅读(149) 评论(0) 推荐(0)
linux bind绑定键位
摘要：title: linux bind绑定键位 author: susu site: - cnblogs.com - csdn.net bind [check@centos7 ~]$ bind -x '"\C-t":pwd' /home/check [check@centos7 ~]$ bind -x 阅读全文
posted @ 2021-07-02 09:59 素丶素 阅读(161) 评论(0) 推荐(0)
SRE技能路线图(linux)
摘要：SRE技能路线图 抱歉，出处忘记了，如有必要，请联系后补充原作者引用。 阅读全文
posted @ 2021-06-20 01:29 素丶素 阅读(133) 评论(0) 推荐(0)
RHEL编译安装 vim8.2
摘要：title: RHEL编译安装 vim8.2 author: susu site: - cnblogs.com vim8.2 YouCompleteMe 需要vim 8 及 python3.6.0+支持。 [root@master src]# yum install perl-devel pytho 阅读全文
posted @ 2021-06-17 14:08 素丶素 阅读(282) 评论(0) 推荐(0)
RHEL使普通用户密码过期后crontab计划仍能正常执行
摘要：变更步骤的说明 对于在dba组内的用户，当其crontab计划发生时，不进行authentication，而直接执行。 变更步骤 sed -i.bak '/No PAM/aaccount sufficient pam_succeed_if.so user ingroup dba' /etc/pam. 阅读全文
posted @ 2021-06-16 10:24 素丶素 阅读(169) 评论(0) 推荐(0)
RHEL nmcli 配置多VLAN trunk口网桥
摘要：概念 含义 Parent Interface A previously configured interface can be selected in the drop-down list. VLAN ID The identification number to be used to tag th 阅读全文
posted @ 2021-05-28 09:44 素丶素 阅读(1424) 评论(0) 推荐(0)
【Git】error: RPC failed; HTTP 413 curl 22 The requested URL returned error:413 Request Entity Too Large
摘要：error: RPC failed; HTTP 413 curl 22 The requested URL returned error:413 Request Entity Too Large fatal: The remote end hung up unexpectedly git 1.7 版 阅读全文
posted @ 2019-05-30 13:37 素丶素
tricks
摘要：wget c URL python(3) m http.server 8000 openssl rand base64 20 shasum a 256 ping c 5 speedtest cli server 2406 simple 阅读全文
posted @ 2019-05-13 13:18 素丶素 阅读(188) 评论(0) 推荐(0)
LUN PV VG LV
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posted @ 2019-04-23 10:18 素丶素

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