\u67e5\u770b\u4e00\u4e2a\u6587\u672c\u91cc\u9762\uff0c\u6700\u540e\u56db\u4f4d\u5b57\u7b26\u76f8\u540c\u7684\u6709\u54ea\u4e9b\uff0c\u547d\u4ee4\uff1acat test.csv | rev | cut -c -4 | rev | sort | uniq -c | sort -nnrk1 | head -20<\/p>\n
\u7f16\u8bd1\u8f6f\u4ef6 .\/configure \u65f6\u62a5\u9519\uff1aNo package ‘glproto’ found
\n\u7136\u540e\u4e0b\u8f7d glproto \u7f16\u8bd1\u5b89\u88c5\u6210\u529f\u540e\uff0c\u8fd9\u4e2a\u62a5\u9519\u8fd8\u662f\u5728\uff0c\u53d1\u73b0 glproto \u5b89\u88c5\u65f6\u7684\u65e5\u5fd7\uff1a \/usr\/bin\/install -c -m 644 glproto.pc ‘\/usr\/local\/lib\/pkgconfig’
\n\u4e8e\u662f\u6dfb\u52a0\u53c2\u6570
\nexport PKG_CONFIG_PATH=\/usr\/local\/lib\/pkgconfig
\n\u518d .\/configure \u5c31\u53ef\u4ee5\u89e3\u51b3\u8fd9\u4e2a\u62a5\u9519<\/p>\n
ubuntu\u67e5\u770b\u6240\u6709network interfaces\uff1a
\nls \/sys\/class\/net
\n# or
\nip addr
\n\u53c2\u8003 https:\/\/help.ubuntu.com\/community\/NetworkConfigurationCommandLine\/Automatic<\/p>\n
ubuntu server \u542f\u52a8\u65f6\u663e\u793a \uff1aa start job is running for raise network interfaces
\n\u914d\u7f6etimeout\u53c2\u6570\uff1a\/etc\/systemd\/system\/networking.service.d\/reduce-timeout.conf
\nhttp:\/\/unix.stackexchange.com\/questions\/186162\/how-to-change-timeout-in-systemctl<\/p>\n
supervisor\u914d\u7f6e\u4e0d\u7528sudo\u64cd\u4f5c\uff0c\u914d\u7f6e\u4e0b unix_http_server \u8282\u70b9\u4e0b\u9762 chown \u503c\uff0c\u914d\u7f6e\u6210\u5f53\u6210\u7528\u6237\u3002
\n[unix_http_server]
\nfile=\/var\/run\/supervisor.sock ; (the path to the socket file)
\nchmod=0700 ; sockef file mode (default 0700)
\nchown=deploy:deploy<\/p>\n
\u7ed9\u7528\u6237\u4fee\u6539\u9ed8\u8ba4shell\uff1a chsh -s \/bin\/bash deploy
\n\u7ed9\u7528\u6237\u521b\u5efa\u5bb6\u76ee\u5f55\uff1amkhomedir_helper deploy<\/p>\n
Linux\u7981\u7528\u4e00\u4e2a\u5e10\u53f7\uff1ausermod –lock –expiredate 1970-01-01 <username>\uff0c\u5220\u9664\u4e00\u4e2a\u5e10\u53f7:userdel <username>\uff0c\u52a0\u4e0a -r \u53c2\u6570\u5c06\u5220\u9664\u5176\u6240\u6709\u76f8\u5173\u6587\u4ef6\uff0chome\u76ee\u5f55\u7b49\u3002<\/p>\n
\u83b7\u53d6\u81ea\u5df1\u7684\u5916\u7f51ip\u4fe1\u606f\uff1acurl ipinfo.io<\/p>\n
\u8bbe\u7f6e\u6bcf\u6b21\u5f00\u673a\u542f\u52a8\u65f6\u8fd0\u884c\u4e00\u4e2a\u811a\u672c\uff0c\u53ef\u4ee5\u5728 crontab \u4e2d\u5199\u89c4\u5219 \uff1a
\n#crontab -e
\n@reboot \/home\/user\/test.sh<\/p>\n
\u6811\u8393\u6d3e\u5c06wifi\u7535\u6e90\u7ba1\u7406\u5173\u95ed\u6389\uff0c\u5426\u5219\u5f53\u6ca1\u6709\u6d41\u91cf\u65f6\uff0cwifi\u4f1a\u81ea\u52a8\u5173\u95ed\uff1asudo iwconfig wlan0 power off \uff0c\u67e5\u770bpower management \u72b6\u6001: iwconfig<\/p>\n
\u5217\u51fa\u53ef\u7528\u7684wifi\u5217\u8868\uff1a
\nnmcli dev wifi
\n\u8fde\u63a5wifi\uff1a
\nnmcli dev wifi connect [SSID] password [YourPassword]<\/p>\n
\u5217\u51fa\u6240\u6709linux\u7528\u6237\uff1a compgen -u \uff0c\u5217\u51fa\u6240\u6709 group\uff1acompgen -g<\/p>\n
\u7528brew\u5b89\u88c5\u7684vim\u9ed8\u8ba4\u6ca1\u6709lua\u7684\u652f\u6301\uff0c\u6240\u4ee5neocomplete\u81ea\u52a8\u8865\u5168\u63d2\u4ef6\u65e0\u6cd5\u6b63\u5e38\u4f7f\u7528\u3002\u53ef\u4ee5\u5148 brew uninstall vim\uff0c\u518d brew install lua luajit\uff0c\u7136\u540e\u5b89\u88c5vim\uff1abrew install vim –with-lua<\/p>\n
iptables\u4e2d\uff0c\u4f7f\u7528-j DROP \u4e0e -j REJECT\u533a\u522b\u662f\uff0cREJECT\u4f1a\u7acb\u523b\u8fd4\u56de\u4e00\u4e2aconnection refused\uff0c\u800cDROP\u4ec0\u4e48\u4e5f\u4e0d\u4f1a\u8fd4\u56de\uff0c\u8bf7\u6c42\u8005\u4f1a\u4e00\u76f4hang\u4f4f\u7b49\u5f85\u8bf7\u6c42\uff0c\u4e00\u76f4\u5230\u8d85\u65f6\u3002<\/p>\n
Nginx\u62a5\u9519\u300eThe plain HTTP request was sent to HTTPS port\u300f\uff0c\u662f\u56e0\u4e3a\u540c\u65f6\u914d\u7f6e\u4e86 80 \u4e0e 443 \u7aef\u53e3\uff0c\u5982\uff1a
\nlisten 80;
\nlisten 443;
\nssl on;
\n\u4fee\u6539\u4e3a:
\nlisten 80;
\nlisten 443 ssl;
\n\u5220\u6389 ssl on\u3002<\/p>\n
\u67e5\u770b\u78c1\u76d8\u7684UUID\uff1a ll \/dev\/disk\/by-uuid\/ \uff0c \u6216\u8005\uff1asudo blkid<\/p>\n
\u8bbe\u7f6e\u5f00\u673a\u81ea\u52a8\u6302\u8f7d\u78c1\u76d8\uff0c\u4fee\u6539 \/etc\/fstab \uff0c\u53c2\u8003 http:\/\/www.linuxstall.com\/fstab\/ \uff0c https:\/\/wiki.archlinux.org\/index.php\/Fstab<\/p>\n
\u5728jenkins\u4e0a\u9762\u914d\u7f6e\u65b0\u7528\u6237jenkins\u53bbbuild docker image\uff0c\u62a5\u9519\uff1aCannot connect to the Docker daemon. Is the docker daemon running on this host?\uff0c\u539f\u56e0\u4e3ajenkins\u7528\u6237\u9ed8\u8ba4\u65e0daemon\u7684\u8bbf\u95ee\u6743\u9650 \/var\/run\/docker.sock \uff0c\u628ajenkins\u7528\u6237\u6dfb\u52a0\u5230docker\u7ec4\u5c31\u53ef\u4ee5\u4e86\uff1asudo gpasswd -a jenkins docker \uff0c\u9700\u8981\u91cd\u65b0\u767b\u9646\u7528\u6237<\/p>\n
ai\u6587\u4ef6\u8f6c\u6362\u4e3asvg\u5de5\u5177\u5730\u5740\uff1ahttps:\/\/convertio.co\/zh\/ai-svg\/<\/p>\n
\u8ba9\u67d0\u4e00\u4e2alinux\u7528\u6237\uff0c\u5728\u6267\u884csudo\u547d\u4ee4\u65f6\u4e0d\u9700\u8981\u8f93\u5165\u5bc6\u7801\uff0c\u53ea\u5728\u8fd0\u884c\u67d0\u4e2a\u7279\u5b9a\u7a0b\u5e8f\u65f6\uff1a
\nsudo visudo
\nThen edit that file to add to the very end:
\nusername ALL = NOPASSWD: \/fullpath\/to\/command, \/fullpath\/to\/othercommand
\neg
\njohn ALL = NOPASSWD: \/sbin\/poweroff, \/sbin\/start, \/sbin\/stop<\/p>\n
mount NFS\u7cfb\u7edf\u547d\u4ee4\u62a5\u9519\uff1amount: wrong fs type, bad option, bad superblock on \uff0c\u89e3\u51b3\uff1a sudo apt-get install nfs-common<\/p>\n
pip\u67e5\u770b\u5305\u7684\u6240\u6709\u53ef\u7528\u7248\u672c\uff0c pip install tzwhere==999999 will print a list of all availabe versions because this ridiculously high version can’t be satisfied.<\/p>\n
\u67e5\u770bip\u5bf9\u5e94\u7684\u57df\u540d\uff0c\u7528host\u547d\u4ee4\uff1a
\nhost 66.249.65.88
\n88.65.249.66.in-addr.arpa domain name pointer crawl-66-249-65-88.googlebot.com.<\/p>\n
\u901a\u8fc7ssh\u7684log\u67e5\u627e\u662f\u8c01\u7684\u5e10\u53f7\u767b\u9646\u7684\uff1a
\ngrep 117.136.45.152 \/var\/log\/auth.log
\nJun 26 17:42:55 iZ94uqve4b4Z sshd[22502]: Accepted publickey for git from 117.136.45.152 port 42075 ssh2: RSA 2b:fa:76:eb:4a:f9:8e:1f:9c:7b:6a:43:1e:a7:91:62
\n\u5176\u4e2d\u6700\u540e\u7684 RSA\u503c\u4e3a ssh fingerprints\uff0c\u67e5\u770b\u5f53\u524d\u6388\u6743\u8fc7\u7684ssh\u767b\u5f55\u7528\u6237\u6240\u6709fingerprints\u547d\u4ee4\uff1assh-keygen -lf \/home\/git\/.ssh\/authorized_keys\uff0c\u7136\u540e\u518d\u548c\u4e0a\u9762auth.log\u91cc\u9762\u7684\u5bf9\u6bd4\u3002
\n\u5982\u679cauth.log\u6ca1\u6709\u8f93\u51faRSA\u7684fingerprints\uff0c\u5219\u4fee\u6539 \/etc\/ssh\/sshd_config\uff0c\u8bbe\u7f6e LogLevel VERBOSE<\/p>\n
shell\u4e2d\u65e0\u9650sleep\u7684\u547d\u4ee4\uff1asleep infinity\uff0c sleep 2 \u5c31\u662f\u4f11\u606f2\u79d2\u3002<\/p>\n
supervisor\u4e2d\u542f\u52a8\u7684\u7a0b\u5e8f\uff0c\u9700\u8981\u8bbe\u7f6e\u7cfb\u7edf\u7684\u73af\u5883\u53d8\u91cf\u65f6\uff0c\u53ef\u4ee5\u5728supervisor\u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\u6dfb\u52a0\u8282\u70b9\uff1a
\nenvironment = LD_LIBRARY_PATH=~\/facelib\/<\/p>\n
nginx location \u89c4\u5219\u6d4b\u8bd5\u5de5\u5177\uff1ahttp:\/\/nginx.viraptor.info\/<\/p>\n
mac\u4e2d\u67e5\u770b\u78c1\u76d8\u52a0\u5bc6\u8fdb\u5ea6\uff1adiskutil cs list \uff0c\u5176\u4e2d\u663e\u793a\u7684 Conversion Progress: 16% \uff0c\u6ce8\u610f\u7535\u8111\u5fc5\u987b\u63d2\u4e0a\u7535\u6e90\uff0c\u5426\u5219\u72b6\u6001\u4e00\u76f4\u662f Conversion Progress: Paused<\/p>\n
ssh\u51fa\u73b0\u8fde\u63a5\u9519\u8bef\uff1a ssh_exchange_identification: read: Connection reset by peer
\n\u53ef\u4ee5\u518d\u5f00\u4e00\u4e2assh\uff0c\u8fd0\u884c\u8c03\u8bd5\u6a21\u5f0f\uff1a\/path\/to\/sshd -ddd -p 1022\uff0c\u7136\u540e ssh -p 1022 user@host \uff0c\u5728\u670d\u52a1\u7aef\u67e5\u770b\u65e5\u5fd7\u3002<\/p>\n
\u67e5\u770b\u88ab fial2ban ban\u6389\u7684ip\u5386\u53f2\uff0csudo zgrep ‘Ban’ \/var\/log\/fail2ban.log* zgrep\u662fgrep\u538b\u7f29\u65e5\u5fd7\u6587\u4ef6<\/p>\n
dstat -tcmdsn -N eth0 –top-cpu-adv –top-mem \u5feb\u901f\u5b9e\u65f6\u67e5\u770b\u5185\u5b58\uff0ccpu\uff0c\u78c1\u76d8\u7b49\u5360\u7528\u4fe1\u606f\u3002<\/p>\n
\u7528dig\u547d\u4ee4\u67e5\u770b\u57df\u540d\u662f\u5426\u88ab\u6c61\u67d3\uff1adig -t ns @192.5.6.30 twitter.com<\/p>\n
\u5229\u7528ssh\u8f6c\u53d1\u7aef\u53e3\uff0c\u8fde\u63a5\u8fdc\u7a0b\u53ea\u7ed1\u5b9a\u4e86127.0.0.1\u5730\u5740\u7684mysql\u670d\u52a1\uff1a ssh -L 127.0.0.1:3306:127.0.0.1:3306 -L 127.0.0.1:9200:127.0.0.1:9200 root@kyle.ai -N \uff0c\u7136\u540e mysql \u8fde\u63a5\u672c\u5730\u76843306\u7aef\u53e3\u5c31\u884c\u4e86\u3002<\/p>\n
\u5728 Linux \u865a\u62df\u673a\u4e2d\u624b\u52a8\u5b89\u88c5 Parallels Tools http:\/\/kb.parallels.com\/cn\/121370<\/p>\n
\u5728macos\u4e2d\u4f7f\u7528 matplotlib \u65f6\u62a5\u9519\uff1a
\nfrom matplotlib.backends import _macosx
\nRuntimeError: Python is not installed as a framework.
\n\u89e3\u51b3\u529e\u6cd5\u662f \u5728\u914d\u7f6e\u6587\u4ef6 ~\/.matplotlib\/matplotlibrc \u4e2d\u5199\u5165\uff1a backend: TkAgg
\n\u6216\u8005\uff0c\u5728\u4f60\u7684Python\u4ee3\u7801\u4e2d\uff0c import matplotlib as mpl then mpl.use(‘TkAgg’)
\n\u53c2\u8003 https:\/\/stackoverflow.com\/questions\/21784641\/installation-issue-with-matplotlib-python<\/p>\n
pip install scipy \u65f6\uff0c\u7531\u4e8e\u865a\u62df\u673a\u5185\u5b58\u592a\u5c0f\uff0c\u62a5\u9519\uff1aMemoryError \uff0c\u89e3\u51b3\u529e\u6cd5\u662f\u4e0d\u7528cache \uff1apip –no-cache-dir install scipy<\/p>\n
\u5728windows\u4e2d\u901a\u8fc7virtualbox\u5b89\u88c5\u7684linux\u865a\u62df\u673a\uff0c\u5171\u4eabwindows\u76ee\u5f55\u5230linux\u4e2d\u53bb\uff0c\u7ed3\u679c\u5728\u5171\u4eab\u7684\u6587\u4ef6\u5939\u4e0b\u9762\u65e0\u6cd5\u521b\u5efa\u8f6f\u94fe\u63a5\uff0c\u5982\u4e0b\u89e3\u51b3\uff0c\u5728virtualbox\u5b89\u88c5\u76ee\u5f55\u4e2d\u6267\u884c\u5982\u4e0b\u547d\u4ee4\uff1a
\nVBoxManage setextradata YOURVMNAME VBoxInternal2\/SharedFoldersEnableSymlinksCreate\/YOURSHAREFOLDERNAME 1
\n\u5176\u4e2d\uff0cYOURVMNAME\u4e3a\u865a\u62df\u673a\u4e2dlinux\u7cfb\u7edf\u7684\u540d\u79f0\uff0cYOURSHAREFOLDERNAME \u4e3a\u5171\u4eab\u7684\u76ee\u5f55\u540d\u79f0\u3002<\/p>\n
\u6ca1\u6709root\u6743\u9650\u65f6\u5b89\u88c5supervisor
\nexport PYTHONPATH=$PYTHONPATH:\/home\/yoursiteuser\/bin
\neasy_install\u200a–install-dir=\/home\/yoursiteuser\/bin supervisor<\/p>\n
\u7528vagrant\u542f\u52a8\u4e00\u4e2abox\u65f6\uff0c\u51fa\u73b0\u8b66\u544a\uff1a\u201cNo guest additions were detected on the base box for this VM!\u201d\uff0c\u539f\u56e0\u662fVirtualBox Guest Additions\u7248\u672c\u4e0d\u5339\u914d\uff0c\u5b89\u88c5 vagrant-vbguest \u63d2\u4ef6\u5373\u53ef\uff1avagrant plugin install vagrant-vbguest<\/p>\n
git status \u663e\u793a\u51fa\u7684\u4e2d\u6587\u6587\u4ef6\u540d\u4e71\u7801\uff0c\u89e3\u51b3 git config –global core.quotepath false<\/p>\n
pip\u5b89\u88c5python\u5305\u7684\u65f6\u5019\u62a5\u9519\uff1aCannot uninstall ‘urllib3’. It is a distutils installed project and thus we cannot accurately determine which files belong to it which would lead to only a partial uninstall\uff0c\u65e7\u7248\u672c\u4f9d\u8d56\u591a\uff0c\u4e0d\u80fd\u6e05\u6670\u7684\u5220\u9664\uff0c\u6b64\u65f6\u5e94\u8be5\u5ffd\u7565\u65e7\u7248\u672c\u5347\u7ea7\uff0csudo pip install elasticsearch –ignore-installed elasticsearch<\/p>\n
nginx\u62a5\u9519\uff1astat() failed (13: Permission denied) \uff0c\u539f\u56e0\u662f\u7528\u6237\u6743\u9650\u5bfc\u81f4\u4e0d\u80fdcd\u5230\u76ee\u5f55\uff0c\u53ef\u4ee5\u5148\u6d4b\u8bd5\u4e0b\uff1asudo -u nginx stat \/var\/www\/project\/public\/index.html \uff0c\u5982\u679c Permission denied \u5c31\u6709\u95ee\u9898\u3002\u9700\u8981\u6dfb\u52a0nginx\u8fd0\u884c\u7684\u7528\u6237\u76f8\u5e94\u6743\u9650\uff1agpasswd -a www-data username \uff0cchmod g+x \/username && chmod g+x \/username\/test && chmod g+x \/username\/test\/static\uff0c\u6216\u8005\u4fee\u6539nginx.conf\u914d\u7f6e\u6587\u4ef6\uff0c\u8ba9nginx\u4ee5\u6307\u5b9a\u7528\u6237\u8d26\u53f7\u8fd0\u884c\uff1auser vagrant;<\/p>\n
\u5728shell\u4e2d\u4f7f\u7528\u4ee3\u7406\uff0c\u5728 .bashrc \u6216 .zshrc \u4e2d\u8bbe\u7f6e\u5982\u4e0b\u5185\u5bb9
\nalias setproxy=”export ALL_PROXY=socks5:\/\/127.0.0.1:1080″
\nalias unsetproxy=”unset ALL_PROXY”
\nalias ip=”curl -i http:\/\/ip.cn”
\n\u5728\u4f7f\u7528\u662f\u624b\u52a8\u8c03\u7528\u8fd9\u4e9b\u547d\u4ee4\u8fdb\u884c\u8bbe\u7f6e\u3002\u6216\u8005\u4f7f\u7ec8\u7aef\u603b\u662f\u4f7f\u7528\u4ee3\u7406\uff1a
\nexport http_proxy=”socks5:\/\/127.0.0.1:1080″
\nexport https_proxy=”socks5:\/\/127.0.0.1:1080″<\/p>\n
\u5982\u679c\u7528\u7684\u662ffish shell\uff0c\u5219 vim ~\/.config\/fish\/config.fish
\nalias setproxy=”export ALL_PROXY=socks5:\/\/127.0.0.1:1080 ;and export http_proxy=socks5:\/\/127.0.0.1:1080; and export https_proxy=socks5:\/\/127.0.0.1:1080″
\nalias unsetproxy=”set -e ALL_PROXY ;and set -e http_proxy; and set -e https_proxy”
\nalias ip=”curl -i http:\/\/ip.cn”<\/p>\n
Linux\u7684ext4\u6587\u4ef6\u7cfb\u7edf\u4e0b\u9762\uff0c\u5982\u4f55\u67e5\u770b\u6587\u4ef6\u7684\u521b\u5efa\u65f6\u95f4\uff1als -i rsync.log \u5f97\u5230\u6587\u4ef6\u7684 inode id\uff0c\u518d debugfs -R ‘stat <4981112>’ \/dev\/vdb, \/dev\/vdb\u662f\u8be5\u6587\u4ef6\u6240\u5728\u7684\u78c1\u76d8\u5206\u533a \uff0c\u5982\uff1a
\n$ ls -i rsync.log
\n4981112 rsync.log
\n$ debugfs -R ‘stat <4981112>’ \/dev\/vdb<\/p>\n","protected":false},"excerpt":{"rendered":"
\u67e5\u770b\u4e00\u4e2a\u6587\u672c\u91cc\u9762\uff0c\u6700\u540e\u56db\u4f4d\u5b57\u7b26\u76f8\u540c\u7684\u6709\u54ea\u4e9b\uff0c\u547d\u4ee4\uff1acat test.csv | rev | cut -c -4 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"class_list":["post-6775","post","type-post","status-publish","format-standard","hentry","category-my_notes"],"_links":{"self":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts\/6775","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/comments?post=6775"}],"version-history":[{"count":1,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts\/6775\/revisions"}],"predecessor-version":[{"id":6776,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts\/6775\/revisions\/6776"}],"wp:attachment":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/media?parent=6775"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/categories?post=6775"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/tags?post=6775"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}