Pratik Sampat
A mechansim to isolate CPU topology information in the Linux kernel The CPU namespace aims to extend the current pool of namespaces in the kernel to isolate the system topology view from applications. The CPU namespace virtualizes the CPU information by maintaining an internal translation from the namespace CPU to the logical CPU in the kernel. The CPU namespace will also enable the existing inter
Scaling Kubernetes Tenant Management with Hierarchical Namespaces Controller | メルカリエンジニアリング
Scaling Kubernetes Tenant Management with Hierarchical Namespaces Controller Author: @deeeeeeeet from Platform Developer Experience Team Three years ago, we took the decision to break our monolithic API into microservices, and move from the physical machine deployment on-premise to container deployment on GCP by using Google Kubernetes Engine (GKE). We architected our Kubernetes cluster with multi
Time namespace を試㙠- ãƒãƒ¼ãƒ•ã‚¡ã‚¤æ—¥è¨˜
Time namespace ã¨èžãã¨ã€Guitar Freaks & Drum Mania ã®å曲「Timepiece Phase IIã€ã‚’æ€ã„出ã—ã¦ã—ã¾ã†ã‚“ã§ã™ãŒã€åƒ•ã ã‘ã§ã—ょã†ã‹ï¼Ÿåƒ•ã ã‘ã§ã™ã...。 今日ã¯Linux 5.6 ã§ãƒžãƒ¼ã‚¸ã•ã‚ŒãŸã‚‰ã—ã„〠Time namespace を触ã£ã¦ã¿ã‚‹ã“ã¨ã«ã—ã¾ã—ãŸã€‚ git.kernel.org ã“ã®è¾ºã‚Šã§ãƒžãƒ¼ã‚¸ã•ã‚ŒãŸæ©Ÿèƒ½ã§ã™ã。 Linux namespace ã£ã¦ï¼Ÿ Linux ã®ã‚³ãƒ³ãƒ†ãƒŠã¯ã€ãƒ›ã‚¹ãƒˆã‹ã‚‰æ§˜ã€…ãªãƒªã‚½ãƒ¼ã‚¹ã‚’独立ã•ã›ã¦åˆ‡ã‚Šé›¢ã•ã‚ŒãŸã€Œåå‰ç©ºé–“ã€ã«æ‰€å±žã—ã¾ã™ã€‚リソースã®ç¨®é¡žã”ã¨ã«åå‰ç©ºé–“ãŒã‚ã‚Šã€ä¾‹ãˆã°ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã®Namespaceã€ãƒžã‚¦ãƒ³ãƒˆãƒã‚¤ãƒ³ãƒˆæƒ…å ±ã®Namespaceã€ãƒ›ã‚¹ãƒˆåãªã©UTSã®Namespaceãªã©ãªã©ã€5.5ã¾ã§ã§7ã¤ã®ãƒ‰ãƒ©ã‚´ãƒ³ãƒœãƒ¼ãƒ«ã“ã¨åå‰ç©ºé–“ãŒå®Ÿè£…ã•ã‚Œã¦ã„ã¾ã—ãŸã€‚詳細㯠コンテナã®åŸºç¤Ž tenforward
[RFC PATCH v3 0/8] Count rlimits in each user namespace [LWN.net]
Alexey Gladkov <legion-AT-kernel.org>, Andrew Morton <akpm-AT-linux-foundation.org>, Christian Brauner <christian.brauner-AT-ubuntu.com>, "Eric W . Biederman" <ebiederm-AT-xmission.com>, Jann Horn <jannh-AT-google.com>, Jens Axboe <axboe-AT-kernel.dk>, Kees Cook <keescook-AT-chromium.org>, Linus Torvalds <torvalds-AT-linux-foundation.org>, Oleg Nesterov <oleg-AT-redhat.com> Preface ------- These p
4.12 㧠nsfs ã®è¦‹ãŸç›®ãŒã¡ã‚‡ã£ã¨å¤‰ã‚ã£ãŸ - TenForward
4.12 㧠nsfs ã«å¤‰æ›´ãŒåŠ ã‚ã£ã¦ã¾ã™ã。 nsfs ã£ã¦ã®ã¯ /proc/$PID/ns 以下ã®ã€ãã®ãƒ—ãƒã‚»ã‚¹ãŒã©ã® Namespace ã«æ‰€å±žã—ã¦ã„ã‚‹ã®ã‹ã‚’表ã—ã¦ã„る特殊ãªãƒªãƒ³ã‚¯ãŒã‚るディレクトリã§ã™ã€‚ 4.11 ã¾ã§ã¯ã“ã‚“ãªæ„Ÿã˜ã€‚ # ls -l /proc/self/ns total 0 lrwxrwxrwx 1 root root 0 Jul 4 17:14 cgroup -> cgroup:[4026531835] lrwxrwxrwx 1 root root 0 Jul 4 17:14 ipc -> ipc:[4026531839] lrwxrwxrwx 1 root root 0 Jul 4 17:14 mnt -> mnt:[4026531840] lrwxrwxrwx 1 root root 0 Jul 4 17:14 net -> net:[4026531957
Apacheã¨PHPãŒå‹•ãコンテナã«UID/GIDã®ç©ºé–“ã‚’å‹•çš„ã«å‰²ã‚Šå½“ã¦ã¦haconiwaã§èµ·å‹•ã•ã›ã‚‹ - 人間ã¨ã‚¦ã‚§ãƒ–ã®æœªæ¥
hb.matsumoto-r.jp å‰å›žã®è¨˜äº‹ã§ã¯ã€PHPãŒå‹•ãApacheã®ã‚³ãƒ³ãƒ†ãƒŠã‚’haconiwaを使ã£ã¦æ²¢å±±èµ·å‹•ã—ã¾ã—ãŸã€‚ã—ã‹ã—ã€å‰å›žã®ã‚³ãƒ³ãƒ†ãƒŠã¯ã€ åŒã˜ã‚³ãƒ³ãƒ†ãƒŠã‚¤ãƒ¡ãƒ¼ã‚¸ãŒã‚るディレクトリを複数コンテナã§å…±æœ‰ã—ã¦ã„ã‚‹ ホストã‹ã‚‰è¦‹ã¦ã‚‚uid/gidãŒapacheã§å…¨ã¦èµ·å‹•ã—ã¦ã„ã‚‹ pidもホストã¨ã‚³ãƒ³ãƒ†ãƒŠã§å…±æœ‰ã—ã¦ã„ã‚‹ ã¨ã„ã†ã‚ˆã†ã«ã€ã‚³ãƒ³ãƒ†ãƒŠã¨ãƒ›ã‚¹ãƒˆã®ç©ºé–“ãŒæ··åœ¨ã—ãŸçŠ¶æ³ã«ãªã£ã¦ã„ã¾ã—ãŸã€‚ãã“ã§ã€ä»Šå›žã¯ã•ã‚‰ã«è¸ã¿è¾¼ã‚“ã§ã€ã‚ˆã‚Šã‚³ãƒ³ãƒ†ãƒŠã‚’独立ã—ãŸç’°å¢ƒã«ã™ã‚‹ã¹ã〠動的ã«ã‚³ãƒ³ãƒ†ãƒŠã‚¤ãƒ¡ãƒ¼ã‚¸ã®tar.gzã‹ã‚‰ãã‚Œãžã‚Œã®ç‹¬ç«‹ã—ãŸã‚³ãƒ³ãƒ†ãƒŠç”¨ã®ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã‚’用æ„ã™ã‚‹ å‹•çš„ã«å„コンテナã«ãƒ›ã‚¹ãƒˆã®uid/gidレンジを切り出ã—ã€ã‚³ãƒ³ãƒ†ãƒŠå†…ã§ã¯uid=0ã‹ã‚‰ãƒ¬ãƒ³ã‚¸ã®æ•°ã ã‘マッピングã™ã‚‹ 例ãˆã°100個ã®uidレンジ（80000 ~ 80099）をコンテナ内ã§ã¯ï¼ˆ0 ~ 99）ã¨ã¿ãªã›ã‚‹ã‚ˆã†ã«ã™ã‚‹ å‹•çš„ã«ãƒž
Linuxカーãƒãƒ« Docker関連 cgroupsã®ãƒ¡ãƒ¢ – Rest Term
å‰å›žã¯Linuxã® namespace(åå‰ç©ºé–“) ã«ã¤ã„ã¦Cプãƒã‚°ãƒ©ãƒ やツールを使ã£ã¦ã„ã‚ã„ã‚ã¨ç¢ºèªã§ãã¾ã—ãŸã®ã§ã€ä»Šå›žã¯ cgroups ã«ã¤ã„ã¦ã‚‚調ã¹ã¾ã™ã€‚ Linuxカーãƒãƒ« Docker関連 namespaceã®ãƒ¡ãƒ¢ namespaceã¯ç”Ÿæˆã—ãŸãƒ—ãƒã‚»ã‚¹ã«å¯¾ã—ã¦ãƒªã‚½ãƒ¼ã‚¹ä½“系を割り当ã¦ã‚‹(隔離空間を作る)ã®ã«å¯¾ã—ã¦ã€cgroupsã¯æŒ‡å®šã—ãŸãƒ—ãƒã‚»ã‚¹ã®ã‚°ãƒ«ãƒ¼ãƒ—ã«å¯¾ã—ã¦ãƒªã‚½ãƒ¼ã‚¹åˆ¶é™ã‚’ã‹ã‘ã¾ã™ã€‚ä¼¼ã¦ã„るよã†ã§å…¨ç„¶åˆ¥ã®æ©Ÿèƒ½ã§ã™ã。 環境 * CentOS 7.2 (kernel-3.10.0-327.4.5.el7.x86_64) * Ubuntu 14.04 (3.13.0-77-generic) * Docker 1.9.1 cgroups Control Groups provide a mechanism for aggregating/partitioning sets of t
ip netns コマンドãŒæ„外ã«ãã‚ç´°ã‚„ã‹ã«ã‚³ãƒ³ãƒ†ãƒŠã‚’作ã£ã¦ãれる - TenForward
(2016-07-26: 誤記修æ£ã—ã¾ã—㟠"setns -> nsenter") ãŠæ‰‹è»½ã«ã‚·ã‚§ãƒ«ã‚¹ã‚¯ãƒªãƒ—トãªã‚“ã‹ã§ã‚³ãƒ³ãƒ†ãƒŠã‚’ä½œã‚‹å ´åˆã®å¼·ã„味方ã¨ã„ãˆã° util-linux ã® unshare/nsenter コマンド iproute2 ã® ip netns コマンド ãŒä»£è¡¨çš„ã§ã—ょã†ã€‚"ip netns" 㯠Network Namespace 作ã£ã¦ã‚³ãƒžãƒ³ãƒ‰å®Ÿè¡Œã™ã‚‹ã ã‘ã®å˜ç´”ãªã‚³ãƒžãƒ³ãƒ‰ã‹ã¨æ€ã£ãŸã‚‰ã€ä¸ã§ã¯æ„外ã«è‰²ã€…ç´°ã‹ãã‚„ã£ã¦ãã‚Œã¦ã„ã‚‹ã“ã¨ãŒã‚ã‹ã£ãŸã®ã§ã¡ã‚‡ã£ã¨ç´¹ä»‹ã—ã¦ãŠãã¾ã™ã€‚ 以下㯠iproute2 4.2.0 ã§è©¦ã—ã¦ã„ã¾ã™ã€‚ /var/run/netns ã¾ãšã‚ˆã知られã¦ã„ã‚‹ã®ãŒ /var/run/netns 以下㫠Namespace åã®ãƒ•ã‚¡ã‚¤ãƒ«ã‚’作ã£ã¦ãれるã“ã¨ã§ã™ã。ã“ã‚Œã¯ã€Namespace 内ã§å‹•ã„ã¦ã„るプãƒã‚»ã‚¹ãŒãªããªã£ãŸã‚‰ Namespace ãŒæ¶ˆæ»…ã—ã¦ãã‚Œ
Unprivileged Build Containers | James Bottomley's random Pages
A while ago, a goal I set myself was to be able to maintain my build and test environments for architecture emulation containers without having to do any of the tasks as root and without creating any suid binaries to do this. One of the big problems here is that distributions get annoyed (and don’t run correctly) if root doesn’t own most of the files … for instance the installers all check to see
exit(2)ã¨pid namespaceã‚ã‚‚ - φ(・・*)ã‚ž ｳｰï¾ã€€ã‚«ãƒ¼ãƒãƒ«ã¨ã‹å¼„ã£ãŸã‚Šã®ãƒ¡ãƒ¢
プãƒã‚»ã‚¹ãŒçµ‚了ã™ã‚‹ã¨ãã«ã‚‚pid namespaceãŒé–¢ä¿‚ã™ã‚‹ã®ã§ã€ãã®è¾ºã‚Šã®ã‚ã‚‚ã§ã™ã€‚ æµã‚Œã¨ã—ã¦ã¯ã“ã‚“ãªæ„Ÿã˜ã§ã™ã€‚ do_exit()@kernel/exit.c -> exit_notify@kernel/exit.c -> forget_original_parent()@kernel/exit.c -> find_child_reaper()@kernel/exit.c -> zap_pid_ns_processes()@kernel/pid_namespace.c 今回èªã‚€ã®ã¯zap_pid_ns_processes()ã§ã™ã€‚ プãƒãƒˆã‚¿ã‚¤ãƒ—ã¯ã“ã†ã§ã™ã€‚ 184 void zap_pid_ns_processes(struct pid_namespace *pid_ns) ã“ã®é–¢æ•°ã¯PID Namespace（pid_ns）ã«å±žã™ã‚‹ãƒ—ãƒã‚»ã‚¹ã«å¯¾ã—ã¦SIGKILLを投ã’ã¦ã„ã£ã¦ã€ãƒ—
lsns(8) new command to list Linux namespaces
The namespaces are commonly used way how to isolate global (ipc, mount, net, ...) resource instances. Unfortunately, we have no command line tool to list namespaces. The new command lsns(8) tries to fill this gap. Examples: # lsns NS TYPE NPROCS PID USER COMMAND 4026531836 pid 276 1 root /usr/lib/systemd/systemd --system --deserialize 15 4026531837 user 276 1 root /usr/lib/systemd/systemd --system
Linux Namespaces
3. @masami256 â— Linuxカーãƒãƒ«ã®ãƒ¡ãƒ¢ãƒªãƒ¼ãƒªãƒ¼ã‚¯ã‚’ç›´ã—ãŸã‚Š â—‹ ackã•ã‚ŒãŸã‚Šã•ã‚Œãªã‹ã£ãŸã‚Š â— Linuxカーãƒãƒ«ã‚‚ãã‚‚ã会を開催ã—ãŸã‚Š â—‹ at 秋葉原 ◠ラズパイå‘ã‘ã®dockerイメージ作ã£ã¦ãŸã‚Š â—‹ Arch Linuxã®ãƒ©ã‚ºãƒ‘イ â— Arch Linuxã®AURã«PKGBUILDを公開ã—ãŸã‚Š â— Fedora Projectã§QAã‚’ã‚„ã£ãŸã‚Š â—‹ [email protected] â— ãららã€ãららミラクã€ãららã‚ャラットã€ãららMAXã¯æ¬ ã‹ã•ãšè³¼å…¥ â—‹ ゆゆå¼ã¯å“²å¦(｀・ω・´)ｷﾘｯ ◠大家ã•ã‚“ã¯æ€æ˜¥æœŸ!も良ã„ã§ã™ã(*´ω｀*) â—‹ ã¾ã‚“ãŒã‚¿ã‚¤ãƒ ・ã¾ã‚“ãŒã‚¿ã‚¤ãƒ ファミリーã§é€£è¼‰ä¸ â—‹ アニメ化ä¼ç”»é€²è¡Œä¸ãƒ½(=´▽`=)ﾉ 4. Readme â— kernelã¨libcã®å®Ÿè£…ã¯ä»¥ä¸‹ã®ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã§ç¢ºèªLinux kernel version
linux: socketã¨Netåå‰ç©ºé–“ - φ(・・*)ã‚ž ｳｰï¾ã€€ã‚«ãƒ¼ãƒãƒ«ã¨ã‹å¼„ã£ãŸã‚Šã®ãƒ¡ãƒ¢
Linuxカーãƒãƒ«ã®Netåå‰ç©ºé–“ã®è¾ºã‚Šã‚’èªã‚“ã§ã¿ã¾ã™ã€‚ ã¾ãšã€æŠ‘ãˆã¦ãŠãã¹ãNetåå‰ç©ºé–“ã¯ã©ã‚“ãªã‚‚ã®ã‹ã¨ã„ã†ã¨ã“ã§ã™ã€‚ã“ã“を抑ãˆã¦ãŠã‹ãªã„ã¨è©±ãŒé€²ã¾ãªã„ã§ã™ã。 Netåå‰ç©ºé–“ã¯struct netã§ã™ã€‚ã“ã‚Œã¯æ¯”較的大ãã‚ã®æ§‹é€ 体ã§ã™ã€‚メンãƒå¤‰æ•°ã¨ã—ã¦ipv4ã€ipv6ãªã©ã®åå‰ãŒè¦‹ãˆã¾ã™ã€‚unxã¯unitドメインソケットã®ãƒ‡ãƒ¼ã‚¿ã£ã½ã„ã§ã™ã。ãã‚“ãªæ„Ÿã˜ã§ã“ã®struct netãŒãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã®ä¸»è¦ãªæ§‹é€ 体ã¨é³´ã£ã¦ã„ã¾ã™ã€‚ 45 struct net { 46 atomic_t passive; /* To decided when the network 47 * namespace should be freed. 48 */ 4 〜略〜 85 86 struct net_device *loopback_dev; /* The loopback */ 87 struct netn
mount namespaceã§init_taskã®mnt_nsã‚’è¨å®šã™ã‚‹ã¨ã“ã‚ - φ(・・*)ã‚ž ｳｰï¾ã€€ã‚«ãƒ¼ãƒãƒ«ã¨ã‹å¼„ã£ãŸã‚Šã®ãƒ¡ãƒ¢
Linuxã®init_taskã«è¨å®šã•ã‚Œã‚‹mnt_nsã¯ã‚³ãƒ³ãƒ‘イル時ã«ã¯è¨å®šã•ã‚Œã¦ã„ãªãã¦å®Ÿè¡Œæ™‚ã«æ±ºå®šã•ã‚Œã¦ã¾ã™ã€‚ã§ã€ãã‚ŒãŒã©ã“ã§è¨å®šã•ã‚Œã¦ã„ã‚‹ã®ã‹ã®ãƒ¡ãƒ¢ã§ã™ã€‚ ã¾ãšã€nsproxy.cã§init_taskã¯ã“ã®ã‚ˆã†ã«ä½œã‚‰ã‚Œã¦ã„ã¦ã€mnt_nsã¯NULLãŒåˆæœŸå€¤ã«ãªã£ã¦ã„る。 31 struct nsproxy init_nsproxy = { 32 .count = ATOMIC_INIT(1), 33 .uts_ns = &init_uts_ns, 34 #if defined(CONFIG_POSIX_MQUEUE) || defined(CONFIG_SYSVIPC) 35 .ipc_ns = &init_ipc_ns, 36 #endif 37 .mnt_ns = NULL, 38 .pid_ns_for_children = &init_pid_ns, 39 #ifdef CO
シェルスクリプトã§æ›¸ã‹ã‚ŒãŸè»½é‡ã‚³ãƒ³ãƒ†ãƒŠ MINCS ãŒã™ã°ã‚‰ã—ã„ (1) - TenForward
ã“ã‚Œã¯ã ã„ã¶å‰ã«æ›¸ã„ãŸã‚¨ãƒ³ãƒˆãƒªã§ã™ã€‚MINCS作者ã«ã‚ˆã‚‹æœ€æ–°ã®è§£èª¬ãŒã‚ã‚‹ã®ã§ãã¡ã‚‰ã‚‚ã”覧ãã ã•ã„。 (2016-11-21追記) コンテナã¯ä½¿ã„ãŸã„ã‘ã©ã€ãŸãã•ã‚“コンテナを起動ã™ã‚‹ã¨çµå±€ãã‚Œãžã‚Œã®ã‚³ãƒ³ãƒ†ãƒŠã«å¯¾ã™ã‚‹ã‚»ã‚ュリティアップデートãªã©ã®ãƒ¡ãƒ³ãƒ†ãƒŠãƒ³ã‚¹ã¯å¿…è¦ã ã—ã€ã‚³ãƒ³ãƒ†ãƒŠå†…独自ã®ãƒ—ãƒã‚°ãƒ©ãƒ やライブラリ以外ã¯ãƒ›ã‚¹ãƒˆã¨å…±æœ‰ã—ãŸã„よãã€ã£ã¦è©±ãŒå‡ºã¦ããŸã‚Šã—ã¾ã™ã€‚ã¿ã‚“ãªè€ƒãˆã‚‹ã“ã¨ã¯åŒã˜ã§ã€bind mount を使ãˆã°è‰¯ã„よãã€ã£ã¦è©±ã¯ã§ã¦ãã¦ã¾ã—ãŸã€‚ ã“ãªã„ã もブãƒã‚°ã§ç´¹ä»‹ã—㟠kazuho ã•ã‚“ã® jailing ç§ãŒ LXC ã§ã‚‚çµæ§‹ç°¡å˜ã«ã§ãるよã€ã£ã¦ã„ã†æ案を兼ãã¦ä½œã£ãŸ lxc-bind ã“ãªã„ã ã®LinuxConã§ã‚‚Dockerã§ãŸãã•ã‚“ã®ã‚ªãƒ—ションを並ã¹ã¦ã€è‰²ã€…工夫ã—㦠bind mount を使ã£ã¦ã‚„ã£ã¦ã‚‹ç™ºè¡¨ã‚‚ã‚ã‚Šã¾ã—㟠(Using Docker for existing
マウントåå‰ç©ºé–“ã§ã¡ã‚‡ã£ã¨ãƒãƒžã£ãŸã‚ã‚‚ - φ(・・*)ã‚ž ｳｰï¾ã€€ã‚«ãƒ¼ãƒãƒ«ã¨ã‹å¼„ã£ãŸã‚Šã®ãƒ¡ãƒ¢
Mount namespaceã‚’ã¡ã‚‡ã£ã¨ç¢ºèªã£ã¦æ€ã£ã¦ã€unshareコマンドã§ãƒžã‚¦ãƒ³ãƒˆåå‰ç©ºé–“を分離ã—ãŸã®ã«ãƒ—ãƒã‚»ã‚¹é–“ã§ãƒžã‚¦ãƒ³ãƒˆçŠ¶æ³ãŒåˆ†é›¢ã•ã‚Œã¦ãªãã¦ã¡ã‚‡ã£ã¨èª¿ã¹ãŸã¨ã„ã†ã€‚ アップデート済ã¿ã®archã¨fedora 22ã§è©¦ã—ãŸã‚“ã ã‘ã©ã€unshareã—ãŸãƒ—ãƒã‚»ã‚¹ã§mountã—ãŸã‚‚ã®ãŒã€åˆ¥ã®ãƒ—ãƒã‚»ã‚¹ã‹ã‚‰è¦‹ãˆã¦ãŸã‚“ã§ã™ã。 ã“ã‚Œã¯ä½•ã§ã ã£ãŸã‹ã¨ã„ã†ã¨ã€mountコマンドã®ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã®æŒ™å‹•ã¨ã—ã¦--make-sharedオプションãŒä½¿ã‚れるãŸã‚ã€ã›ã£ã‹ãマウントåå‰ç©ºé–“を分離ã•ã›ãŸã®ã«ãã®å½±éŸ¿ãŒä»–æ–¹ã«ã‚‚出ã¦ãŸã¨ã„ã†æ„Ÿã˜ã§ã—ãŸã€‚ ã“ã‚Œã¯LWNã®Namespaces in operation, part 2: the namespaces APIã¨ã„ã†è¨˜äº‹ã®ã‚³ãƒ¡ãƒ³ãƒˆã«ç”ãˆãŒæ›¸ã‹ã‚Œã¦ã¾ã—ãŸã€‚ 状æ³ã¯ã“ã†ã§ã™ã。 最åˆã«unshareã§ãƒžã‚¦ãƒ³ãƒˆåå‰ç©ºé–“ã®åˆ†é›¢ã€‚ [masami@arch-workst
Google Chrome ã® Namespace 利用ã®ãƒ¡ãƒ¢ - TenForward
(2016-05-16 Chromium ã®å‚考ページãŒç§»å‹•ã—ã¦ã„ãŸã®ã§æ›´æ–°) éŽåŽ»ã«å‹‰å¼·ä¼šãªã‚“ã‹ã§ã€ŒLinux 版㮠Chrome 㯠Namespace を使ã£ã¦ã‚‹ã€ã¨ã„ã†è©±ã‚’ã—ãŸã“ã¨ã‚ã‚‹ã‘ã©ã€ãã†ã„ãˆã°ç¢ºèªã—ãŸã“ã¨ã¯ãªã‹ã£ãŸã®ã§ç¢ºèªã—ãŸãƒ¡ãƒ¢ã€‚ å‚考ã¯ã“ã®è¾ºã‚Šã€‚ Linux Sandboxing pidns 㨠netns を使ã£ã¦ãã†ã§ã™ã€‚ ã¾ãš Google Chrome ã‚’èµ·å‹•ã—ã¾ã™ã€‚最近 Linux 版ã¯é‡ãã¦ä½¿ã£ã¦ãªã„ã‘ã©ã€‚ $ pstree -p :(snip) |-chrome(29616)-+-chrome-sandbox(29618)---chrome(29620)-+-chrome(29630)-+-chrome(29701)-+-{chrome}(29702) | | | | |-{chrome}(29720) :(snip) | | `-chrome-sandb
Linux Namespace
7. Namespace representation • åå‰ç©ºé–“ã¯ãƒ•ã‚¡ã‚¤ãƒ«ã¨ã—ã¦ãƒ¦ãƒ¼ã‚¶ãƒ¼ç©ºé–“ã‹ã‚‰è¦‹ãˆ ã‚‹ • setns(2)ã§åˆ©ç”¨ masami@miko:~$ ls -l /proc/self/ns total 0 dr-x--x--x 2 masami masami 0 Aug 31 00:15 . dr-xr-xr-x 8 masami masami 0 Aug 31 00:15 .. lrwxrwxrwx 1 masami masami 0 Aug 31 00:15 ipc -> ipc:[4026531839] lrwxrwxrwx 1 masami masami 0 Aug 31 00:15 mnt -> mnt:[4026531840] lrwxrwxrwx 1 masami masami 0 Aug 31 00:15 net -> net:[4026531957] l
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Smack namespace [LWN.net]
https://jobs.zalando.com/tech/posts/entering-kernel-namespaces-with-python.html
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