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理解和配置 Linux 下的 OOM Killer - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...们可以在触发 OOM 后立刻触发 kernel panic，kernel panic 10秒后自动重启系统。
# sysctl -w vm.panic_on_oom=1
vm.panic_on_oom = 1
# sysctl -w kernel.panic=10
kernel.panic = 10
# echo "vm.panic_on_oom=1" >> /etc/sysctl.conf
# echo "kernel.panic=10" >> /etc/sysctl.conf
...
Running python script inside ipython
Is it possible to run a python script (not module) from inside ipython without indicating its path? I tried to set PYTHONPATH but it seems to work only for modules.
I would like to execute
...
What is the benefit of using $() instead of backticks in shell scripts?
... illustration as to how you can nest, not as a bug-free production-ready snippet.
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what's the correct way to send a file from REST web service to client?
...answered Sep 3 '12 at 16:18
Philipp ReichartPhilipp Reichart
19.6k55 gold badges5252 silver badges6464 bronze badges
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Java regex email
...le.com
"Joe\\Blow"@example.com
"Abc@def"@example.com
customer/department=shipping@examp le.com
$A12345@example.com
!def!xyz%abc@example.com
_somename@example.com
matteo(this is a comment).corti@example.com
root@[127.0.0.1]
Just to mention a few problems:
you don't consider the many forms of sp...
通过 ulimit 改善系统性能 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...统当前状态的参数，例如 /proc/sys/kernel/pid_max，/proc/sys/net/ipv4/ip_local_port_range 等等，从文件的名字大致可以猜出所限制的资源种类。由于该目录下涉及的文件众多，在此不一一介绍。有兴趣的读者可打开其中的相关文件查阅说明...
SSL handshake alert: unrecognized_name error since upgrade to Java 1.7.0
...aled that during the TSL/SSL Hello the warning
Alert (Level: Warning, Description: Unrecognized Name), Server Hello
Was being sent from the server to the client.
It was only a warning, however, Java 7.1 then responded immediately back with a "Fatal, Description: Unexpected Message", which I assume m...
What resources are shared between threads?
...
From Wikipedia (I think that would make a really good answer for the interviewer :P)
Threads differ from traditional
multitasking operating system
processes in that:
processes are typically independent, while threads ...
MySQL show current connection info
...(GPL)
Protocol version: 10
Connection: localhost via TCP/IP
Server characterset: latin1
Db characterset: latin1
Client characterset: gbk
Conn. characterset: gbk
TCP port: 3306
Uptime: 7 min 16 sec
Threads: 1 Questions: 21 Slow queri...
Where does Jenkins store configuration files for the jobs it runs?
...ns installation folder, you could create a simple jenkins job and run a script that tars all the config files for the jobs: "tar -zcvf jenkins-jobs-configs.tar.gz $(find ${JENKINS_HOME}/jobs -name config.xml -maxdepth 2) ". You could then archive jenkins-jobs-configs.tar.gz
– ...