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  • <div><p>I am using Windows 10 Enterprise 1803 17134.885 with Ubuntu under WSL. <p>I cloned and built from git and ran with the standard example to write from file: <code>tlog-rec --writer=file --...
  • cat /proc/sys/fs/file-max 系统可打开的最大文件个数 ulimit -n 当前系统限制的个数 ulimit -n 10240 调整当前系统的限制 修改/etc/sysctl.conf, 加入 ...

    cat /proc/sys/fs/file-max 系统可打开的最大文件个数

    ulimit -n 当前系统限制的个数

    ulimit -n 10240 调整当前系统的限制

     

    修改/etc/sysctl.conf, 加入

    net.ipv4.ip_local_port_range = 1024 65000
    net.core.wmem_default = 8388608
    net.core.rmem_default = 8388608
    net.core.rmem_max=16777216
    net.core.wmem_max=16777216
    net.ipv4.tcp_rmem=4096 87380 16777216
    net.ipv4.tcp_wmem=4096 65536 16777216
    net.ipv4.tcp_fin_timeout = 30
    net.ipv4.tcp_tw_reuse = 1
    net.ipv4.tcp_tw_recycle = 1
    net.ipv4.tcp_timestamps = 0
    net.ipv4.tcp_window_scaling = 1
    net.ipv4.tcp_sack = 1
    net.core.netdev_max_backlog = 262144
    net.ipv4.tcp_syncookies = 1
    net.ipv4.tcp_max_orphans = 3276800
    net.ipv4.tcp_max_syn_backlog = 262144
    net.ipv4.tcp_synack_retries = 1
    net.ipv4.tcp_syn_retries = 1
    net.ipv4.tcp_keepalive_time= 30
    net.ipv4.tcp_max_tw_buckets= 6000
    net.core.somaxconn = 65535
    fs.file-max = 1024000

     

     

    vim /etc/security/limits.conf 进行设置
    修改/etc/security/limits.conf  ,在最下方添加
    * soft nofile 65536
    * hard nofile 65536
    重启
     
    sysctl -p 无需重启 立刻使生效
     
    apache 支持监听8180个端口 默认的。 不知道增加还得肿么搞。
     
    netstat -n | awk '/^tcp/ {++S[$NF]} END {for(a in S) print a, S[a]}'

    netstat -antup | wc -l
    netstat -antup | grep 'TIME_WAIT' | wc -l
    netstat -antup | grep 'SYN_RECV' | wc -l

     

     

    转载于:https://www.cnblogs.com/qunshu/p/3579621.html

    展开全文
  • <div><p>This is using boto3, but the errors happen within botocore. If I use an invalid key to upload a ...Seen on macOS 10.14.3 and on Ubuntu</p><p>该提问来源于开源项目:boto/botocore</p></div>
  • If that file is missing, debootstrap defaults to debian mirror thus fails to download the ubuntu release. <p>LXC is not the cause of this issue, rather the victim :-) But at least 3 others reported ...
  • <div><p>We have a .Net Core (1.1) C# application using AWSSDK.S3 3.3.5.7 and AWSSDK.Core 3.3.8.2 (Visual Studio 2017) and running on Ubuntu 16.04. <p>Our app is ran every X minutes to check if there ...
  • ubuntu_相关

    2017-07-02 13:35:58
    vm 中安装 Ubuntu 一定要关了网络,有个下载过程恶心死了,一直在 retrieving file https://askubuntu.com/questions/98161/installation-stuck-at-retrieving-file-43-of-93 安装vm tools ...

    替换下载的镜像源

    默认使用的是美国的源,下载起来真tm蛋疼,1kb/s 的速度,所以必须修改下载源

    1. 备份一下原有的源列表

      wilker@ubuntu:~$ sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak
    2. 编辑源列表

      wilker@ubuntu:~$ sudo gedit /etc/apt/sources.list

      全部替换为一下内容,网易的源比较快,速度基本就是你有的带宽。需要注意的是 xenial 是你当前系统对应的版本

      deb http://mirrors.163.com/ubuntu/ xenial main restricted universe multiverse
      deb http://mirrors.163.com/ubuntu/ xenial-security main restricted universe multiverse
      deb http://mirrors.163.com/ubuntu/ xenial-updates main restricted universe multiverse
      deb http://mirrors.163.com/ubuntu/ xenial-proposed main restricted universe multiverse
      deb http://mirrors.163.com/ubuntu/ xenial-backports main restricted universe multiverse
      deb-src http://mirrors.163.com/ubuntu/ xenial main restricted universe multiverse
      deb-src http://mirrors.163.com/ubuntu/ xenial-security main restricted universe multiverse
      deb-src http://mirrors.163.com/ubuntu/ xenial-updates main restricted universe multiverse
      deb-src http://mirrors.163.com/ubuntu/ xenial-proposed main restricted universe multiverse
      deb-src http://mirrors.163.com/ubuntu/ xenial-backports main restricted universe multiverse
      • 如果报一下错误

        /etc/apt$ sudo apt-get update  
        Err http://security.ubuntu.com precise-security InRelease
        • 修改dns,配置文件地址 /etc/resolv.conf,然后重启网络
        wilker@ubuntu:~$ sudo gedit /etc/resolv.conf 
        
        
        # 加入一下内容
        
        search localdomain
        nameserver 202.96.128.86  # 希望修改成的DNS
        nameserver 202.96.128.166  # 备用DNS
        
        wilker@ubuntu:~$ sudo /etc/init.d/networking restart # 重启网络
    3. 可用源参考地址:http://wiki.ubuntu.org.cn/%E6%A8%A1%E6%9D%BF:16.04source

    4. 更新一下

      wilker@ubuntu:~$ sudo apt-get update && sudo apt-get upgrade

      这里写图片描述

    5. 可以随便装东西测下


    安装 Chrome


    解决 vim 上下左右 为 abcd 的问题


    解决 vim 安装问题

    展开全文
  • [19:36:34] E: Failed getting release file http://ports.ubuntu.com/dists/xenial/Release [19:36:34] + [ 1 -ne 0 ] [19:36:34] + return 1 [19:36:34] + printf $'<<< install\n' ...
  • m using kimchi from GitHub from Friday 14th of March on Ubuntu Server 12.04 LTS on an old Dell PowerEdge 840 with Intel Xeon Quad Core and 4GB of memory. <p>When starting <code>kimchid</code> when the...
  • Ubuntu新手指南

    2019-12-08 14:56:26
    查询版本:cat /etc/issue...安装时如果长时间处于retrieving file 时,可以点击进度条的skip跳过。 【root用户】 Sudo passwd 设置root用户密码,输入su可以切换root用户,exit返回普通用户 切换apt镜像源的网站:h...

    查询版本:cat /etc/issue

    【下载与安装】:

    建议安装版本是ubuntu16.04,下载地址https://opsx.alibaba.com/mirror
    在这里插入图片描述
    安装时如果长时间处于retrieving file 时,可以点击进度条的skip跳过。

    【root用户】

    Sudo passwd 设置root用户密码,输入su可以切换root用户,exit返回普通用户

    切换apt镜像源的网站:https://mirrors.tuna.tsinghua.edu.cn/help/ubuntu/
    将/etc/apt目录下的 source.list中的文本替换成镜像信息,
    最后输入apt-get update更新源即可【root用户】
    在这里插入图片描述

    【切换中文】:

    打开settings ,点击language support,点击install即可
    在这里插入图片描述
    输入密码
    在这里插入图片描述
    选中 Chinese(simplified) 然后apply
    在这里插入图片描述
    拖动到上面去
    在这里插入图片描述
    最后重启或重新登录即可

    在这里插入图片描述

    【更换中文输入法】

    sudo apt-get remove fcitx*
    sudo apt-get purge fcitx*
    

    打开 设置 —> 语言支持
    将键盘输入法系统选项设置为ibus

    注销重新登录

    展开全文
  • Mongo v2.0.7 (running on ubuntu) <pre><code> python >>> ===========================...
  • <p>On second attempt to start the scanner, the above error went away but now I am getting stuck on the screen - it never times out but i waited long enough with no progress - same result on ubuntu ...
  • Ubuntu 16 <p>Hi, could you plz help me with this error. <p>user:~/apps/grimoirelab$ /home/user/.local/bin/perceval -g gerrit --user user 'X.X.X.X' --from-date '2017-01-01' [2017-06-27...
  • Unable to fetch ubuntu

    2020-12-08 20:56:19
    E: Failed getting release file https://ftp.swin.edu.au/ubuntu/dists/bionic/Release ERROR: Unexpected error occurred. </code></pre> <p>This release file very obviously exists, as can be seen using ...
  • [INFO] Configuration file is /home/tengu/.config/gplaycli/gplaycli.conf [INFO] Using cached token. [INFO] Using token to connect to API [INFO] Token has expired or is invalid. Retrieving a new one... ...
  • Retrieving default docker-compose.yml file... ERROR: Couldn't connect to Docker daemon. You might need to install Docker:</li></ul> <p>https://docs.docker.com/engine/installation/ ERROR: Couldn&#...
  • <div><p>Just installed geoipupdate via Ubuntu apt package and added the downloaded .conf file to my /etc/ directory. <p>I am receiving the following error when running </p><pre><code>sudo geoipupdate...
  • <div><p>Hello, I am attempting to install your plugin for testing on a ubuntu kibana (elk stack) install. <p>The wiki install instructions gave me a variety of errors until I figured out which ...
  • shell-init: **error** retrieving current directory: getcwd: cannot access parent directories: No such file or directory ++++++++++ YAJSW SET ENV +++...
  • <ul><li>[x] Operating System (ie Ubuntu 16.04) $ uname -a Linux ME01 4.19.0-8-amd64 #1 SMP Debian 4.19.98-1 (2020-01-26) x86_64 GNU/Linux</li><li>[x] Python version when running <code>gplaycli</code> ...
  • m running into troubles while retrieving feeds... I have installed hippocampe some days ago. I've configured hippocampe to run as a service. When I started it and everything went ok, but when I ...
  • --postinstall /opt/xcat/share/xcat/netboot/ubuntu/compute.postinstall --rootimgdir /install/netboot/ubuntu16.04/ppc64el/compute --tempfile /tmp/xcat_genimage.23322 ubuntu16.04-ppc64el-netboot-compute...
  • m running Ubuntu 18.04 LTS 64-bit <p>Edit 2: Just attached my Android phone to my PC and libusb DOES read the string descriptors and the serial number from it but not from any built-in hardware, USB ...
  • s also not my network, since I can install packages with my other PC running Ubuntu 16.04 <p>I'm using all the latest downloads for sublime and package control (Build 3126 for sublime and v3.2.1 ...
  • <p>I checked the file and there is verifying with the RSA key, then in the database the <code>rsa_keys</code> is not empty and I don't know what is happening then as the SSL extension is loaded. ...
  • NO VERSION file detected, retrieving revision info from HG abort: no repository found in '/home/rwbaer/mhpy3-community/makehuman' (.hg not found)! NOTICE: Failed to get hg version number from ...
  • m hitting an issue repeatedly: when I get to the point of retrieving the release file, the install seems to exit with no error message. I've tried hard coding a DNS server, I've tried using ...
  • <code>apt-get install python-privacyidea</code> retrieved from http://ppa.launchpad.net/privacyidea/privacyidea/ubuntu/ trusty/main</p> </li></ul> <h2>more details: <ul><li> <p>OS: Debian GNU/Linux ...
  • [14:04:50] I: Retrieving file [14:04:50] I: Validating file [14:04:50] I: Retrieving findutils [14:04:51] I: Validating findutils [14:04:51] I: Retrieving gcc-4.6-base [14:04:52] I: Validating gcc-4.6...
  • <strong>Linux</strong> <code>4.4.0-28-generic x86_64 Ubuntu 16.04.1 LTS <strong>ODBC</strong> <pre><code> [ODBC Driver 13 for SQL Server] Description=Microsoft ODBC Driver 13 for SQL Server ...
  • <ul><li>VEP version: 100.4</li><li>VEP Cache version: 100</li><li>Perl version: 5.30.0</li><li>OS: Ubuntu 20.04</li><li>tabix installed: yes</li></ul> <h3>Full VEP command line <pre><code> ./vep --...

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