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python .replace() regex [duplicate]

...ub(regex_search,regex_replace,contents) – Walrus the Cat Feb 2 '15 at 18:54 4 ...
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How to fix apt-get: command not found on AWS EC2? [closed]

...pt-get doesn't work? type yum instead. – Walrus the Cat Nov 30 '16 at 22:29 Hey @Pat841 , mark this as the answer ...
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Is there a way to “limit” the result with ELOQUENT ORM of Laravel?

... Also, we can use it following ways To get only first $cat_details = DB::table('an_category')->where('slug', 'people')->first(); To get by limit and offset $top_articles = DB::table('an_pages')->where('status',1)->limit(30)->offset(0)->orderBy('id', 'DESC')-&gt...
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How can I get the current date and time in the terminal and set a custom command in the terminal for

... Another way: root@linux 17:32:02 /linux >cat /proc/driver/rtc rtc_time : 23:38:24 rtc_date : 2014-07-10 – Lunar Mushrooms Jul 11 '14 at 6:40 ...
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Linux Glibc幽灵漏洞允许黑客远程获取系统权 - 操作系统(内核) - 清泛网 - ...

...ux发行版本。 漏洞检测方法 请自行检测: [[test]] $ cat > GHOST.c << EOF #include <netdb.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <errno.h> #define CANARY"in_the_coal_mine" struct { char buffer[1024]; char canary[sizeof(CANARY)]; } temp = { "buffe...
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OpenSUSE 升级最新系统步骤 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

... #刷新所有仓库 zypper refresh 查看最新Linux版本的命令:cat /etc/os-release linux,opensuse,zypper
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Linux下追踪程序退出(崩溃)思路 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

...。 2、coredumpctl查看是否有崩溃记录。 3、查看系统日志 cat /var/log/message,已切分压缩的日志使用 xzcat 查看。 4、查看历史命令 history,看一下是否有正常执行退出的命令记录。 追踪过程如下: 1、查看程序在09-17 14:23退出(...
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如何诊断CDN故障 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...载太慢,这里给一个利用xargs并发下载的例子: shell> cat ip.txt | xargs -n 1 -P 0 -I {} \ wget -q -e http_proxy={} -O {} "http://url/to/file" & 最后看看文件散列是否一致就大功告成了: shell> md5sum * 一旦知道了哪个节点有问题,可以利用...
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Linux日志切分工具:Logrotate - 更多技术 - 清泛网 - 专注C/C++及内核技术

...ress rotate 7 sharedscripts postrotate kill -USR1 `cat /var/run/nginx.pid` endscript } 如果你等不及CRON,可以通过如下命令来手动执行: shell> logrotate -f /etc/logrotate.d/nginx 当然,正式执行前最好通过Debug选项来验证一下,...
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SSH免密码登陆教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术

..._dsa,id_dsa.pub 3、将 .pub 文件复制到B机器的 .ssh 目录, 并 cat id_dsa.pub >> ~/.ssh/authorized_keys 4、大功告成,从A机器登录B机器的目标账户,不再需要密码了 ssh-keygen做密码验证可以使在向对方机器上ssh ,scp不用使用密码. 具体方法如...