http://www.3open.org/d/ 2013-05-21T17:46:02+08:00 http://www.3open.org/d/ http://www.3open.org/d/lib/tpl/dokubook/images/favicon.ico text/html 2013-05-20T15:01:58+08:00 admin http://www.3open.org/d/dev/revert_to_a_previous_commit?rev=1369033318&do=diff I made some changes, not staged yet. Now I want to abandon them and revert to the last commit: git reset --hard If I need to revert to an earlier commit, I need to look up the commit code first: git reset --hard commit_code_here text/html 2013-05-20T14:16:41+08:00 admin http://www.3open.org/d/dev/git?rev=1369030601&do=diff * existing project to git * excluding files from git * revert to a previous commit text/html 2013-05-09T14:35:46+08:00 admin http://www.3open.org/d/tips/setup_dhcp_server_to_update_dns_records?rev=1368081346&do=diff CentOS 5 Prepare dnssec key for update use: text/html 2013-05-09T14:17:57+08:00 admin http://www.3open.org/d/tips/linux_administration_tips?rev=1368080277&do=diff * Backup directory structure only using tar * Setup ACL for folders * Amavisd-new basic setup * Setup email disclaimer with altermime and amavisd-new * Setup repository for CentOS updates * Setup TLS PKI and stuff * Using Debian Live * Using OpenVZ * Using apt-cache-ng to speed up APT packages download * Setup STGT iSCSI target * Setup iSCSI Initiator * GRUB tips * Using udev rules to fix device filename * Setup roundcube mail on CentOS * Enable Unicode support for … text/html 2013-04-23T14:52:53+08:00 admin http://www.3open.org/d/tips/kernel_tuning_for_huge_number_of_concurrent_connections?rev=1366699973&do=diff Relevant settings * /proc/sys/net/ipv4/tcp_rmem * /proc/sys/net/ipv4/tcp_wmem * /proc/sys/fs/file-max * /etc/security/limits.conf According to a blog post from Urban Airship, set these to allow 500k connections with 6GB RAM: echo "4096 4096 16777216" > /proc/sys/net/ipv4/tcp_rmem echo "4096 4096 16777216" > /proc/sys/net/ipv4/tcp_wmem echo 999999 > /proc/sys/fs/file-max text/html 2013-04-12T15:24:24+08:00 admin http://www.3open.org/d/dev/mojo/cookie_sample?rev=1365751464&do=diff Samples take by curl. Setting a sucessful session curl "http://127.0.0.1:3000/api/user/auth?user_id=demo2&password=demo1234" --trace-ascii - 0000: Set-Cookie: mojolicious=eyJ1c2VyX2lkIjoiZGVtbzIiLCJleHBpcmVzIjox 0040: MzY1ODM2NjE0fQ----698cae9af82e223b848beffcd11639d3e44cbba2; expi 0080: res=Sat, 13 Apr 2013 07:03:34 GMT; path=/; HttpOnly text/html 2013-04-12T15:18:08+08:00 admin http://www.3open.org/d/dev/mojo/index?rev=1365751088&do=diff Official Page: <http://mojolicio.us/> * App Overview * Client authentication * Cookie Sample * HTTP cache control example * Websocket server Reference: * HTTP cache control for static/dynamic contents * Websockets with Microchip PIC controllers * Websocket traffic dump text/html 2013-03-31T17:27:23+08:00 admin http://www.3open.org/d/dev/existing_project_to_git?rev=1364722043&do=diff Example: setup ~/smart_webservice/ for git. Init cd ~/smart_webservice/ git init Add existing files git add . Do the first commit git commit output: Additional settings Set general user info: git config --global user.name "Michael Fung" git config --global user.email mike@3open.org text/html 2013-03-31T16:32:09+08:00 admin http://www.3open.org/d/dev/excluding_files_from_git?rev=1364718729&do=diff I don't want git to track changes of the log folder. Create the .gitignore file with content: log/ Remove the log/ folder from the repo: git rm --cached -r log/ Commit these changes: git commit -a -m "enable .gitignore and remove log/ from repo" text/html 2012-12-24T15:48:13+08:00 admin http://www.3open.org/d/?image=tips%3Aipsec_setup_fw.png&ns=tips&rev=1356335293&tab_details=history&mediado=diff&do=media <img src="/d/_media/tips/ipsec_setup_fw.png?w=499&h=186t=1356335293" alt="tips:ipsec_setup_fw.png" /> text/html 2012-12-24T15:18:47+08:00 admin http://www.3open.org/d/?image=tips%3Aipsec_setup_user.png&ns=tips&rev=1356333527&tab_details=history&mediado=diff&do=media <img src="/d/_media/tips/ipsec_setup_user.png?w=454&h=500t=1356333527" alt="tips:ipsec_setup_user.png" /> text/html 2012-12-24T15:18:47+08:00 admin http://www.3open.org/d/?image=tips%3Aipsec_setup_user_group.png&ns=tips&rev=1356333527&tab_details=history&mediado=diff&do=media <img src="/d/_media/tips/ipsec_setup_user_group.png?w=499&h=381t=1356333527" alt="tips:ipsec_setup_user_group.png" /> text/html 2012-12-24T15:18:47+08:00 admin http://www.3open.org/d/?image=tips%3Aipsec_setup_result.png&ns=tips&rev=1356333527&tab_details=history&mediado=diff&do=media <img src="/d/_media/tips/ipsec_setup_result.png?w=499&h=305t=1356333527" alt="tips:ipsec_setup_result.png" /> text/html 2012-12-24T15:18:47+08:00 admin http://www.3open.org/d/?image=tips%3Aipsec_setup_ph2.png&ns=tips&rev=1356333527&tab_details=history&mediado=diff&do=media <img src="/d/_media/tips/ipsec_setup_ph2.png?w=500&h=471t=1356333527" alt="tips:ipsec_setup_ph2.png" /> text/html 2012-12-24T15:18:47+08:00 admin http://www.3open.org/d/?image=tips%3Aipsec_setup_ph1.png&ns=tips&rev=1356333527&tab_details=history&mediado=diff&do=media <img src="/d/_media/tips/ipsec_setup_ph1.png?w=387&h=500t=1356333527" alt="tips:ipsec_setup_ph1.png" /> text/html 2012-12-24T15:18:47+08:00 admin http://www.3open.org/d/?image=tips%3Aipsec_setup_mobile.png&ns=tips&rev=1356333527&tab_details=history&mediado=diff&do=media <img src="/d/_media/tips/ipsec_setup_mobile.png?w=391&h=500t=1356333527" alt="tips:ipsec_setup_mobile.png" /> text/html 2012-11-28T10:54:19+08:00 admin http://www.3open.org/d/?image=dev%3Amojo%3Aws_hex.png&ns=dev%3Amojo&rev=1354071259&tab_details=history&mediado=diff&do=media <img src="/d/_media/dev/mojo/ws_hex.png?w=500&h=147t=1354071259" alt="dev:mojo:ws_hex.png" /> text/html 2012-11-28T10:54:08+08:00 admin http://www.3open.org/d/?image=dev%3Amojo%3Aws_txt.png&ns=dev%3Amojo&rev=1354071248&tab_details=history&mediado=diff&do=media <img src="/d/_media/dev/mojo/ws_txt.png?w=500&h=271t=1354071248" alt="dev:mojo:ws_txt.png" /> text/html 2012-11-12T19:13:38+08:00 admin http://www.3open.org/d/?image=tips%3Ar8168-8.034.00.tar.bz2&ns=tips&rev=1352718818&tab_details=history&mediado=diff&do=media text/html 2012-09-17T15:32:25+08:00 admin http://www.3open.org/d/?image=tips%3Awin7samba2.png&ns=tips&rev=1347867145&tab_details=history&mediado=diff&do=media <img src="/d/_media/tips/win7samba2.png?w=500&h=227t=1347867145" alt="tips:win7samba2.png" />