How to solve docker-deamon connection failed error after updating the kernel

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Please make sure linux-image-extra-$(your version) is installed and that version is enabled as your active kernel.

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Configure shadowsocks transparent proxy + gfwlist(PAC) on OpenWRT Router

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You must have Shadowsocks services which can be gained in the following way before actually starting to configure. Purchase Shadowsocks Service directly online. Recommendation:  Just My Socks Quick Shadowsocks configuration using Just My Socks, please click here . Build the service yourself. Please refer to  Configure V2Ray(Shadowsocks mode) + 加速:普通BBR/魔改BBR on KVM VPS (Tested on Ubuntu 16.04) . The environment this article used, FYI： OpenWrt 18.06.1/LuCI openwrt-18.06 The Overall Idea: DNS part: if the requested address is in gfwlist     forward DNS request to 127.0.0.1:5353 which is listened by dns-forwarder     dns-forwarder forwards the request to 8.8.8.8 for translating     8.8.8.8 is in gfwlist, so match iptables rules and is fowared to 1080     ss-redir listen on port 1080, foward request to shadowsocks server else     use public DNS servers or the DNS servers provided by the ISP other da...
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Openwrt路由器上配置shadowsocks透明代理+gfwlist(PAC)

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Shadowsocks 服务推荐： Just My Socks 推荐理由：价格便宜，支持月付，安全灵活。 本文配置的前提是已经有shadowsocks服务。你可以通过购买或者自行搭建的方式获得。以下是链接： 直接购买网上的服务，此处推荐 Just My Socks 快速Just My Socks配置Shadowsocks，请点 这里 。 自行搭建，请参考 KVM VPS上配置V2Ray(Shadowsocks mode) + 加速:普通BBR/魔改BBR(测试于Ubuntu 16.04) 本文所使用的环境，仅作参考： OpenWrt 18.06.1/LuCI openwrt-18.06 整体思路： DNS部分： if 访问地址在gfwlist中     DNS请求转发到127.0.0.1:5353的dns-forwarder的监听端口     dns-forwarder转发到8.8.8.8进行解析     8.8.8.8在gfwlist中，通过匹配iptables规则转发到1080端口     ss-redir监听1080端口，通过shadowsocks代理服务器转发请求 else     正常使用公共DNS或者ISP提供的DNS服务器 其他数据： if 访问地址在gfwlist中     通过匹配iptables规则转发到1080端口     ss-redir监听1080端口，通过shadowsocks代理服务器转发请求 else     正常访问 步骤1:依赖包安装（ 非常重要 ） 本文所有的操作都基于SSH和Web管理界面操作。 首先通过SSH添加GPG Key，这样之后添加的源才能通过签名验证： wget http://openwrt-dist.sourceforge.net/packages/openwrt-dist.pub -O /tmp/openwrt-dist.pub opkg-key add /tmp/openwrt-dist.pub 然后在OpenWRT Web管理界面，“...
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Create ubifs volumes in Linux (OpenWRT)

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When using a router flashed with OpenWRT, you may find that the capacity of the filesystem is much smaller than the real capacity. For example, the router I use is Netgear WNDR4300 which has a 128MB Nand flash. But when using the 'df -h' command to inspect the space usage status, I surprisingly found that the space of the total mounting point '/' is only 14MB. So to find out the reason and try to expand usable space, I used the command "dmesg" and "cat /proc/mtd" to collect the information of mtd devices. [     0.634792] nand: device found, Manufacturer ID: 0x2c, Chip ID: 0xf1 [     0.641287] nand: Micron NAND 128MiB 3,3V 8-bit [     0.645888] nand: 128 MiB, SLC, erase size: 128 KiB, page size: 2048, OOB size: 64 [     0.653625] Scanning device for bad blocks [     0.661590] random: fast init done [     0.744785] 12 cmdlinepart partitions found on MTD device ar934x-nfc [     0.751249] Creating 12 MT...
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