root@ubuntu:/home/peng# test='I love china'root@ubuntu:/home/peng# echo ${test:5}e chinaroot@ubuntu:/home/peng# echo ${test:5:10}e chinaroot@ubuntu:/home/peng#root@ubuntu:/home/peng# echo ${test:4:10}ve china 1. 2. 3. 4. 5. 6. 7. 8. ${变量名:起始:长度}得到子字符...
[root@localhost ~]# cat /etc/shadow root:$6$YeN8c9qp$kF/ccExwxWD56sKqq0fDZDGO5D4.OLivV2v3L.2wvG8uDlb9sK2zQtw9gij37AOeAE/8gdAObi8sU0A7YE.tC0:17753:0:99999:7::: bin:*:17632:0:99999:7::: daemon:*:17632:0:99999:7::: adm:*:17632:0:99999:7::: lp:*:17632:0:99999:7...
2004年前后,作为Solaris 10中具有突破性意义的关键技术之一,由Sun公司虚拟化专家Joost Pronk van Hoogeveen、Jeff Victor和Chien-Hua Yen等研发的Solaris Containers能够促进服务器整合,并提高应用程序可用性和易管理性。 Solaris网格容器由两个主要组件构成:Solaris区域(Zone)和Solaris资源管理器(SRM)。SRM 管理每个容器...
Error setting socket option (IP_MULTICAST_IF). Error setting socket option (IP_MULTICAST_IF). Did you set the environment variable IGN_IP with a correct IP address? [192.168.1.100] seems an invalid local IP address. Using 127.0.0.1 as hostname. terminate called after throwing an instance of...
(inspect commands are normally executed when the user presses the 'Y' key): $ echo -e 'pipe\tname\tid>>/tmp/top.%d.%lx' >> .toprc To execute our inspect command without user interaction, we will emulate the 'Y' key by jumping directly into inspection_utility(), at 0x40a989 (...
rawdisk="MyLinuxVM.raw"vhddisk="MyLinuxVM.vhd"MB=$((1024*1024)) size=$(qemu-img info -f raw --output json"$rawdisk"| \ gawk'match($0, /"virtual-size": ([0-9]+),/, val) {print val[1]}') rounded_size=$((($size+$MB-1)/$MB)*$MB))echo"Rounded Size =$rounded_size...
[lc1@centos6 /]$ sudo echo "123" >sudo.txt -bash: sudo.txt: Permission denied 13.11.5、配置sudo命令用户行为审计: 并不记录普通用户的普通操作,而是记录那些执行sudo命令的用户的操作 生产环境企业日志审计解决方案 sudo配合rsyslog服务,进行日志审计 ...
首先开启路由功能 Echo 1 >/proc/sys/net/ipv4/ip-forward (1为打开路由功能 0为关闭路由功能) (在这个实验里只要开启路由功能就OK了) Linux 原创 ahuoheng 2022-05-19 14:48:23 388阅读 linux设置pythonhomelinux设置路由 route命令用于显示和操作IP路由表。要实现两个不同的子网之间的通信,需要一台连接两...
Other references: http://eeepage.info/tag-vim-source-insight/ From Yen3 http://yen3.github.io/posts/2013/20131109_using-vim-as-a-default-text-editor.html 張貼於IDE, linux, Vim | Leave a Comment »Renaming a set of files in linux 17 五月, 2012 rename from to the_files http:/...
echo"UUID=33333333-3b3b-3c3c-3d3d-3e3e3e3e3e3e /datadrive xfs defaults,nofail 1 2">> /etc/fstab Not Daha sonra fstab'yi düzenlemeden bir veri diskinin kaldırılması VM'nin önyüklemesinin başarısız olmasına neden olabilir. Çoğu dağıtım,nofailve/...