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獲取mac問題

眼雜回答

二層以太網(wǎng)（局域網(wǎng)）內(nèi)部，通過MAC地址通信，MAC地址僅僅在局域網(wǎng)內(nèi)部有效。

跨越二層網(wǎng)絡(luò)，需要獲取MAC地址，只能通過應(yīng)用層報文攜帶主機MAC地址進行傳遞。

centos7上毫無規(guī)律的出現(xiàn)錯誤“Segmentation fault”？

病癮回答

內(nèi)存問題可以使用valgrind定位。
“double free”或者“Segmentation fault” 要給出具體異常信息，光給個代碼片段沒什么用

centos部署django默認(rèn)使用python3

尐潴豬回答

你的django項目是2.7的項目吧？
或者是你服務(wù)器上有倆個版本的Python ?
python3 manage.py runserver

200g網(wǎng)站linux搬家不用rsync有什么建議嗎？

墨染殤回答

tar打包，然后用scp傳：

 tar czf temp.tar.gz ***
 scp temp.tar.gz user@host:~/target/

用了Docker運行Node，但是依賴還沒裝，但是容器又沒啟動？

逗婦乳回答

自己想了一個方案，用bash先啟動一個容器，然后裝一下依賴即可：

docker run -it -v ./app:/usr/src/app  your_node_image_name  /bin/bash
root@247543a930d6:/usr/src/app# npm install

centos7 ipsec服務(wù)無法啟動這是什么錯誤啊

哎呦喂回答

[root@VM_88_10_centos ~]# journalctl -u ipsec
-- Logs begin at Mon 2018-08-06 10:41:53 CST, end at Mon 2018-08-06 14:22:01 CST. --
Aug 06 10:43:05 VM_88_10_centos systemd[1]: Starting Internet Key Exchange (IKE) Protocol Daemon for IPsec...
Aug 06 10:43:05 VM_88_10_centos addconn[3371]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
Aug 06 10:43:05 VM_88_10_centos _stackmanager[3373]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
Aug 06 10:43:05 VM_88_10_centos _stackmanager[3373]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
Aug 06 10:43:05 VM_88_10_centos ipsec[3617]: Initializing NSS database
Aug 06 10:43:05 VM_88_10_centos ipsec[3625]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
Aug 06 10:43:05 VM_88_10_centos libipsecconf[3628]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
Aug 06 10:43:05 VM_88_10_centos ipsec[3625]: nflog ipsec capture disabled
Aug 06 10:43:05 VM_88_10_centos pluto[3639]: FIPS Product: NO
Aug 06 10:43:05 VM_88_10_centos pluto[3639]: FIPS Kernel: NO
Aug 06 10:43:05 VM_88_10_centos pluto[3639]: FIPS Mode: NO
Aug 06 10:43:05 VM_88_10_centos pluto[3639]: NSS DB directory: sql:/etc/ipsec.d
Aug 06 10:43:05 VM_88_10_centos pluto[3639]: Initializing NSS
Aug 06 10:43:05 VM_88_10_centos pluto[3639]: Opening NSS database "sql:/etc/ipsec.d" read-only
Aug 06 10:43:05 VM_88_10_centos pluto[3639]: NSS initialized
Aug 06 10:43:05 VM_88_10_centos pluto[3639]: NSS crypto library initialized
Aug 06 10:43:05 VM_88_10_centos pluto[3639]: FIPS HMAC integrity support [enabled]
Aug 06 10:43:05 VM_88_10_centos pluto[3639]: FIPS mode disabled for pluto daemon
Aug 06 10:43:05 VM_88_10_centos pluto[3639]: FIPS HMAC integrity verification self-test passed
Aug 06 10:43:05 VM_88_10_centos pluto[3639]: libcap-ng support [enabled]
Aug 06 10:43:05 VM_88_10_centos pluto[3639]: Linux audit support [enabled]
Aug 06 10:43:05 VM_88_10_centos pluto[3639]: Linux audit activated
Aug 06 10:43:05 VM_88_10_centos pluto[3639]: Starting Pluto (Libreswan Version 3.23 XFRM(netkey) KLIPS FORK PTHREAD_SETSCHEDPRIO GCC_EXCEPTIONS NSS DNSSEC SYSTEMD_WATCHDOG FIPS_CHECK LABELED_IPSEC SECCOMP LIBCAP_NG LINUX_AUDIT XAUTH_
Aug 06 10:43:05 VM_88_10_centos pluto[3639]: core dump dir: /run/pluto
Aug 06 10:43:05 VM_88_10_centos pluto[3639]: secrets file: /etc/ipsec.secrets
Aug 06 10:43:05 VM_88_10_centos pluto[3639]: leak-detective enabled
Aug 06 10:43:05 VM_88_10_centos pluto[3639]: NSS crypto [enabled]
Aug 06 10:43:05 VM_88_10_centos pluto[3639]: XAUTH PAM support [enabled]
Aug 06 10:43:05 VM_88_10_centos pluto[3639]: NAT-Traversal support  [enabled]
Aug 06 10:43:05 VM_88_10_centos pluto[3639]: Initializing libevent in pthreads mode: headers: 2.0.21-stable (2001500); library: 2.0.21-stable (2001500)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]: Encryption algorithms:
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   AES_CCM_16          IKEv1:     ESP     IKEv2:     ESP     FIPS  {256,192,*128}  (aes_ccm aes_ccm_c)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   AES_CCM_12          IKEv1:     ESP     IKEv2:     ESP     FIPS  {256,192,*128}  (aes_ccm_b)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   AES_CCM_8           IKEv1:     ESP     IKEv2:     ESP     FIPS  {256,192,*128}  (aes_ccm_a)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   3DES_CBC            IKEv1: IKE ESP     IKEv2: IKE ESP     FIPS  [*192]  (3des)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   CAMELLIA_CTR        IKEv1:     ESP     IKEv2:     ESP           {256,192,*128}
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   CAMELLIA_CBC        IKEv1: IKE ESP     IKEv2: IKE ESP           {256,192,*128}  (camellia)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   AES_GCM_16          IKEv1:     ESP     IKEv2: IKE ESP     FIPS  {256,192,*128}  (aes_gcm aes_gcm_c)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   AES_GCM_12          IKEv1:     ESP     IKEv2: IKE ESP     FIPS  {256,192,*128}  (aes_gcm_b)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   AES_GCM_8           IKEv1:     ESP     IKEv2: IKE ESP     FIPS  {256,192,*128}  (aes_gcm_a)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   AES_CTR             IKEv1: IKE ESP     IKEv2: IKE ESP     FIPS  {256,192,*128}  (aesctr)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   AES_CBC             IKEv1: IKE ESP     IKEv2: IKE ESP     FIPS  {256,192,*128}  (aes)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   SERPENT_CBC         IKEv1: IKE ESP     IKEv2: IKE ESP           {256,192,*128}  (serpent)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   TWOFISH_CBC         IKEv1: IKE ESP     IKEv2: IKE ESP           {256,192,*128}  (twofish)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   TWOFISH_SSH         IKEv1: IKE         IKEv2: IKE ESP           {256,192,*128}  (twofish_cbc_ssh)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   CAST_CBC            IKEv1:     ESP     IKEv2:     ESP           {*128}  (cast)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   NULL_AUTH_AES_GMAC  IKEv1:     ESP     IKEv2:     ESP           {256,192,*128}  (aes_gmac)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   NULL                IKEv1:     ESP     IKEv2:     ESP           []
Aug 06 10:43:05 VM_88_10_centos pluto[3639]: Hash algorithms:
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   MD5                 IKEv1: IKE         IKEv2:
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   SHA1                IKEv1: IKE         IKEv2:             FIPS  (sha)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   SHA2_256            IKEv1: IKE         IKEv2:             FIPS  (sha2 sha256)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   SHA2_384            IKEv1: IKE         IKEv2:             FIPS  (sha384)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   SHA2_512            IKEv1: IKE         IKEv2:             FIPS  (sha512)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]: PRF algorithms:
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   HMAC_MD5            IKEv1: IKE         IKEv2: IKE               (md5)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   HMAC_SHA1           IKEv1: IKE         IKEv2: IKE         FIPS  (sha sha1)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   HMAC_SHA2_256       IKEv1: IKE         IKEv2: IKE         FIPS  (sha2 sha256 sha2_256)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   HMAC_SHA2_384       IKEv1: IKE         IKEv2: IKE         FIPS  (sha384 sha2_384)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   HMAC_SHA2_512       IKEv1: IKE         IKEv2: IKE         FIPS  (sha512 sha2_512)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]: Integrity algorithms:
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   HMAC_MD5_96         IKEv1: IKE ESP AH  IKEv2: IKE ESP AH        (md5 hmac_md5)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   HMAC_SHA1_96        IKEv1: IKE ESP AH  IKEv2: IKE ESP AH  FIPS  (sha sha1 sha1_96 hmac_sha1)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   HMAC_SHA2_512_256   IKEv1: IKE ESP AH  IKEv2: IKE ESP AH  FIPS  (sha512 sha2_512 hmac_sha2_512)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   HMAC_SHA2_384_192   IKEv1: IKE ESP AH  IKEv2: IKE ESP AH  FIPS  (sha384 sha2_384 hmac_sha2_384)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   HMAC_SHA2_256_128   IKEv1: IKE ESP AH  IKEv2: IKE ESP AH  FIPS  (sha2 sha256 sha2_256 hmac_sha2_256)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   AES_XCBC_96         IKEv1:     ESP AH  IKEv2:     ESP AH  FIPS  (aes_xcbc)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   AES_CMAC_96         IKEv1:     ESP AH  IKEv2:     ESP AH  FIPS  (aes_cmac)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   NONE                IKEv1:     ESP     IKEv2:     ESP     FIPS  (null)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]: DH algorithms:
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   MODP1024            IKEv1: IKE ESP AH  IKEv2: IKE ESP AH        (dh2)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   MODP1536            IKEv1: IKE ESP AH  IKEv2: IKE ESP AH        (dh5)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   MODP2048            IKEv1: IKE ESP AH  IKEv2: IKE ESP AH  FIPS  (dh14)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   MODP3072            IKEv1: IKE ESP AH  IKEv2: IKE ESP AH  FIPS  (dh15)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   MODP4096            IKEv1: IKE ESP AH  IKEv2: IKE ESP AH  FIPS  (dh16)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   MODP6144            IKEv1: IKE ESP AH  IKEv2: IKE ESP AH  FIPS  (dh17)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   MODP8192            IKEv1: IKE ESP AH  IKEv2: IKE ESP AH  FIPS  (dh18)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   DH19                IKEv1: IKE         IKEv2: IKE ESP AH  FIPS  (ecp_256)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   DH20                IKEv1: IKE         IKEv2: IKE ESP AH  FIPS  (ecp_384)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   DH21                IKEv1: IKE         IKEv2: IKE ESP AH  FIPS  (ecp_521)
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   DH22                IKEv1: IKE ESP AH  IKEv2: IKE ESP AH
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   DH23                IKEv1: IKE ESP AH  IKEv2: IKE ESP AH  FIPS
Aug 06 10:43:05 VM_88_10_centos pluto[3639]:   DH24                IKEv1: IKE ESP AH  IKEv2: IKE ESP AH  FIPS
Aug 06 10:43:05 VM_88_10_centos pluto[3639]: starting up 4 crypto helpers
Aug 06 10:43:05 VM_88_10_centos pluto[3639]: started thread for crypto helper 0
Aug 06 10:43:05 VM_88_10_centos pluto[3639]: started thread for crypto helper 1
Aug 06 10:43:05 VM_88_10_centos pluto[3639]: started thread for crypto helper 2
Aug 06 10:43:05 VM_88_10_centos pluto[3639]: started thread for crypto helper 3
Aug 06 10:43:05 VM_88_10_centos pluto[3639]: Using Linux XFRM/NETKEY IPsec interface code on 3.10.0-514.21.1.el7.x86_64
Aug 06 10:43:05 VM_88_10_centos pluto[3639]: | selinux support is NOT enabled.
Aug 06 10:43:05 VM_88_10_centos pluto[3639]: systemd watchdog for ipsec service configured with timeout of 200000000 usecs
Aug 06 10:43:05 VM_88_10_centos pluto[3639]: watchdog: sending probes every 100 secs
Aug 06 10:43:05 VM_88_10_centos systemd[1]: Started Internet Key Exchange (IKE) Protocol Daemon for IPsec.
Aug 06 10:43:06 VM_88_10_centos libipsecconf[3783]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
Aug 06 10:43:06 VM_88_10_centos pluto[3639]: listening for IKE messages
Aug 06 10:43:06 VM_88_10_centos pluto[3639]: adding interface eth0/eth0 10.144.88.10:500
Aug 06 10:43:06 VM_88_10_centos pluto[3639]: adding interface eth0/eth0 10.144.88.10:4500
Aug 06 10:43:06 VM_88_10_centos pluto[3639]: adding interface lo/lo 127.0.0.1:500
Aug 06 10:43:06 VM_88_10_centos pluto[3639]: adding interface lo/lo 127.0.0.1:4500
Aug 06 10:43:06 VM_88_10_centos pluto[3639]: | setup callback for interface lo:4500 fd 19
Aug 06 10:43:06 VM_88_10_centos pluto[3639]: | setup callback for interface lo:500 fd 18
Aug 06 10:43:06 VM_88_10_centos pluto[3639]: | setup callback for interface eth0:4500 fd 17
Aug 06 10:43:06 VM_88_10_centos pluto[3639]: | setup callback for interface eth0:500 fd 16
Aug 06 10:43:06 VM_88_10_centos pluto[3639]: loading secrets from "/etc/ipsec.secrets"
Aug 06 10:43:06 VM_88_10_centos pluto[3639]: no secrets filename matched "/etc/ipsec.d/*.secrets"
Aug 06 10:44:23 VM_88_10_centos systemd[1]: Stopping Internet Key Exchange (IKE) Protocol Daemon for IPsec...
Aug 06 10:44:23 VM_88_10_centos whack[3876]: 002 shutting down
Aug 06 10:44:23 VM_88_10_centos ipsec[3884]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
Aug 06 10:44:23 VM_88_10_centos libipsecconf[3887]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
Aug 06 10:44:23 VM_88_10_centos systemd[1]: Stopped Internet Key Exchange (IKE) Protocol Daemon for IPsec.
Aug 06 10:44:23 VM_88_10_centos systemd[1]: Starting Internet Key Exchange (IKE) Protocol Daemon for IPsec...
Aug 06 10:44:23 VM_88_10_centos addconn[3897]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
Aug 06 10:44:23 VM_88_10_centos libipsecconf[3897]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
Aug 06 10:44:23 VM_88_10_centos libipsecconf[3902]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
Aug 06 10:44:23 VM_88_10_centos _stackmanager[3899]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
Aug 06 10:44:23 VM_88_10_centos _stackmanager[3899]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
Aug 06 10:44:23 VM_88_10_centos ipsec[4148]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
Aug 06 10:44:23 VM_88_10_centos ipsec[4148]: nflog ipsec capture disabled
Aug 06 10:44:23 VM_88_10_centos pluto[4161]: FIPS Product: NO
Aug 06 10:44:23 VM_88_10_centos pluto[4161]: FIPS Kernel: NO
Aug 06 10:44:23 VM_88_10_centos pluto[4161]: FIPS Mode: NO
Aug 06 10:44:23 VM_88_10_centos pluto[4161]: NSS DB directory: sql:/etc/ipsec.d
Aug 06 10:44:23 VM_88_10_centos pluto[4161]: Initializing NSS
Aug 06 10:44:23 VM_88_10_centos pluto[4161]: Opening NSS database "sql:/etc/ipsec.d" read-only
Aug 06 10:44:23 VM_88_10_centos pluto[4161]: NSS initialized
Aug 06 10:44:23 VM_88_10_centos pluto[4161]: NSS crypto library initialized
Aug 06 10:44:23 VM_88_10_centos pluto[4161]: FIPS HMAC integrity support [enabled]
Aug 06 10:44:23 VM_88_10_centos pluto[4161]: FIPS mode disabled for pluto daemon
Aug 06 10:44:23 VM_88_10_centos pluto[4161]: FIPS HMAC integrity verification self-test passed
Aug 06 10:44:23 VM_88_10_centos pluto[4161]: libcap-ng support [enabled]
Aug 06 10:44:23 VM_88_10_centos pluto[4161]: Linux audit support [enabled]
Aug 06 10:44:23 VM_88_10_centos pluto[4161]: Linux audit activated
Aug 06 10:44:23 VM_88_10_centos pluto[4161]: Starting Pluto (Libreswan Version 3.23 XFRM(netkey) KLIPS FORK PTHREAD_SETSCHEDPRIO GCC_EXCEPTIONS NSS DNSSEC SYSTEMD_WATCHDOG FIPS_CHECK LABELED_IPSEC SECCOMP LIBCAP_NG LINUX_AUDIT XAUTH_
Aug 06 10:44:23 VM_88_10_centos pluto[4161]: core dump dir: /run/pluto
Aug 06 10:44:23 VM_88_10_centos pluto[4161]: secrets file: /etc/ipsec.secrets
Aug 06 10:44:23 VM_88_10_centos pluto[4161]: leak-detective enabled
Aug 06 10:44:23 VM_88_10_centos pluto[4161]: NSS crypto [enabled]
Aug 06 10:44:23 VM_88_10_centos pluto[4161]: XAUTH PAM support [enabled]
Aug 06 10:44:23 VM_88_10_centos pluto[4161]: NAT-Traversal support  [enabled]
Aug 06 10:44:23 VM_88_10_centos pluto[4161]: Initializing libevent in pthreads mode: headers: 2.0.21-stable (2001500); library: 2.0.21-stable (2001500)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]: Encryption algorithms:
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   AES_CCM_16          IKEv1:     ESP     IKEv2:     ESP     FIPS  {256,192,*128}  (aes_ccm aes_ccm_c)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   AES_CCM_12          IKEv1:     ESP     IKEv2:     ESP     FIPS  {256,192,*128}  (aes_ccm_b)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   AES_CCM_8           IKEv1:     ESP     IKEv2:     ESP     FIPS  {256,192,*128}  (aes_ccm_a)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   3DES_CBC            IKEv1: IKE ESP     IKEv2: IKE ESP     FIPS  [*192]  (3des)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   CAMELLIA_CTR        IKEv1:     ESP     IKEv2:     ESP           {256,192,*128}
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   CAMELLIA_CBC        IKEv1: IKE ESP     IKEv2: IKE ESP           {256,192,*128}  (camellia)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   AES_GCM_16          IKEv1:     ESP     IKEv2: IKE ESP     FIPS  {256,192,*128}  (aes_gcm aes_gcm_c)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   AES_GCM_12          IKEv1:     ESP     IKEv2: IKE ESP     FIPS  {256,192,*128}  (aes_gcm_b)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   AES_GCM_8           IKEv1:     ESP     IKEv2: IKE ESP     FIPS  {256,192,*128}  (aes_gcm_a)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   AES_CTR             IKEv1: IKE ESP     IKEv2: IKE ESP     FIPS  {256,192,*128}  (aesctr)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   AES_CBC             IKEv1: IKE ESP     IKEv2: IKE ESP     FIPS  {256,192,*128}  (aes)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   SERPENT_CBC         IKEv1: IKE ESP     IKEv2: IKE ESP           {256,192,*128}  (serpent)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   TWOFISH_CBC         IKEv1: IKE ESP     IKEv2: IKE ESP           {256,192,*128}  (twofish)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   TWOFISH_SSH         IKEv1: IKE         IKEv2: IKE ESP           {256,192,*128}  (twofish_cbc_ssh)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   CAST_CBC            IKEv1:     ESP     IKEv2:     ESP           {*128}  (cast)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   NULL_AUTH_AES_GMAC  IKEv1:     ESP     IKEv2:     ESP           {256,192,*128}  (aes_gmac)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   NULL                IKEv1:     ESP     IKEv2:     ESP           []
Aug 06 10:44:23 VM_88_10_centos pluto[4161]: Hash algorithms:
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   MD5                 IKEv1: IKE         IKEv2:
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   SHA1                IKEv1: IKE         IKEv2:             FIPS  (sha)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   SHA2_256            IKEv1: IKE         IKEv2:             FIPS  (sha2 sha256)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   SHA2_384            IKEv1: IKE         IKEv2:             FIPS  (sha384)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   SHA2_512            IKEv1: IKE         IKEv2:             FIPS  (sha512)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]: PRF algorithms:
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   HMAC_MD5            IKEv1: IKE         IKEv2: IKE               (md5)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   HMAC_SHA1           IKEv1: IKE         IKEv2: IKE         FIPS  (sha sha1)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   HMAC_SHA2_256       IKEv1: IKE         IKEv2: IKE         FIPS  (sha2 sha256 sha2_256)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   HMAC_SHA2_384       IKEv1: IKE         IKEv2: IKE         FIPS  (sha384 sha2_384)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   HMAC_SHA2_512       IKEv1: IKE         IKEv2: IKE         FIPS  (sha512 sha2_512)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]: Integrity algorithms:
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   HMAC_MD5_96         IKEv1: IKE ESP AH  IKEv2: IKE ESP AH        (md5 hmac_md5)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   HMAC_SHA1_96        IKEv1: IKE ESP AH  IKEv2: IKE ESP AH  FIPS  (sha sha1 sha1_96 hmac_sha1)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   HMAC_SHA2_512_256   IKEv1: IKE ESP AH  IKEv2: IKE ESP AH  FIPS  (sha512 sha2_512 hmac_sha2_512)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   HMAC_SHA2_384_192   IKEv1: IKE ESP AH  IKEv2: IKE ESP AH  FIPS  (sha384 sha2_384 hmac_sha2_384)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   HMAC_SHA2_256_128   IKEv1: IKE ESP AH  IKEv2: IKE ESP AH  FIPS  (sha2 sha256 sha2_256 hmac_sha2_256)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   AES_XCBC_96         IKEv1:     ESP AH  IKEv2:     ESP AH  FIPS  (aes_xcbc)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   AES_CMAC_96         IKEv1:     ESP AH  IKEv2:     ESP AH  FIPS  (aes_cmac)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   NONE                IKEv1:     ESP     IKEv2:     ESP     FIPS  (null)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]: DH algorithms:
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   MODP1024            IKEv1: IKE ESP AH  IKEv2: IKE ESP AH        (dh2)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   MODP1536            IKEv1: IKE ESP AH  IKEv2: IKE ESP AH        (dh5)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   MODP2048            IKEv1: IKE ESP AH  IKEv2: IKE ESP AH  FIPS  (dh14)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   MODP3072            IKEv1: IKE ESP AH  IKEv2: IKE ESP AH  FIPS  (dh15)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   MODP4096            IKEv1: IKE ESP AH  IKEv2: IKE ESP AH  FIPS  (dh16)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   MODP6144            IKEv1: IKE ESP AH  IKEv2: IKE ESP AH  FIPS  (dh17)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   MODP8192            IKEv1: IKE ESP AH  IKEv2: IKE ESP AH  FIPS  (dh18)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   DH19                IKEv1: IKE         IKEv2: IKE ESP AH  FIPS  (ecp_256)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   DH20                IKEv1: IKE         IKEv2: IKE ESP AH  FIPS  (ecp_384)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   DH21                IKEv1: IKE         IKEv2: IKE ESP AH  FIPS  (ecp_521)
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   DH22                IKEv1: IKE ESP AH  IKEv2: IKE ESP AH
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   DH23                IKEv1: IKE ESP AH  IKEv2: IKE ESP AH  FIPS
Aug 06 10:44:23 VM_88_10_centos pluto[4161]:   DH24                IKEv1: IKE ESP AH  IKEv2: IKE ESP AH  FIPS
Aug 06 10:44:23 VM_88_10_centos pluto[4161]: starting up 4 crypto helpers
Aug 06 10:44:23 VM_88_10_centos pluto[4161]: started thread for crypto helper 0
Aug 06 10:44:23 VM_88_10_centos pluto[4161]: started thread for crypto helper 1
Aug 06 10:44:23 VM_88_10_centos pluto[4161]: started thread for crypto helper 2
Aug 06 10:44:23 VM_88_10_centos pluto[4161]: started thread for crypto helper 3
Aug 06 10:44:23 VM_88_10_centos pluto[4161]: Using Linux XFRM/NETKEY IPsec interface code on 3.10.0-514.21.1.el7.x86_64
Aug 06 10:44:23 VM_88_10_centos pluto[4161]: | selinux support is NOT enabled.
Aug 06 10:44:23 VM_88_10_centos pluto[4161]: systemd watchdog for ipsec service configured with timeout of 200000000 usecs
Aug 06 10:44:23 VM_88_10_centos pluto[4161]: watchdog: sending probes every 100 secs
Aug 06 10:44:23 VM_88_10_centos systemd[1]: Started Internet Key Exchange (IKE) Protocol Daemon for IPsec.
Aug 06 10:44:24 VM_88_10_centos libipsecconf[4192]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
Aug 06 10:44:24 VM_88_10_centos pluto[4161]: listening for IKE messages
Aug 06 10:44:24 VM_88_10_centos pluto[4161]: adding interface eth0/eth0 10.144.88.10:500
Aug 06 10:44:24 VM_88_10_centos pluto[4161]: adding interface eth0/eth0 10.144.88.10:4500
Aug 06 10:44:24 VM_88_10_centos pluto[4161]: adding interface lo/lo 127.0.0.1:500
Aug 06 10:44:24 VM_88_10_centos pluto[4161]: adding interface lo/lo 127.0.0.1:4500
Aug 06 10:44:24 VM_88_10_centos pluto[4161]: | setup callback for interface lo:4500 fd 19
Aug 06 10:44:24 VM_88_10_centos pluto[4161]: | setup callback for interface lo:500 fd 18
Aug 06 10:44:24 VM_88_10_centos pluto[4161]: | setup callback for interface eth0:4500 fd 17
Aug 06 10:44:24 VM_88_10_centos pluto[4161]: | setup callback for interface eth0:500 fd 16
Aug 06 10:44:24 VM_88_10_centos pluto[4161]: loading secrets from "/etc/ipsec.secrets"
Aug 06 10:44:24 VM_88_10_centos pluto[4161]: no secrets filename matched "/etc/ipsec.d/*.secrets"
Aug 06 10:44:36 VM_88_10_centos pluto[4161]: loading secrets from "/etc/ipsec.secrets"
Aug 06 10:44:36 VM_88_10_centos pluto[4161]: no secrets filename matched "/etc/ipsec.d/*.secrets"
Aug 06 10:53:45 VM_88_10_centos pluto[4161]: loading secrets from "/etc/ipsec.secrets"
Aug 06 10:53:45 VM_88_10_centos pluto[4161]: loading secrets from "/etc/ipsec.d/linuxcc_l2tp.secrets"
Aug 06 10:59:04 VM_88_10_centos pluto[4161]: packet from 27.156.26.13:42163: initial parent SA message received on 10.144.88.10:500 but no suitable connection found with IKEv2 policy
Aug 06 10:59:04 VM_88_10_centos pluto[4161]: packet from 27.156.26.13:42163: sending unencrypted notification v2N_NO_PROPOSAL_CHOSEN to 27.156.26.13:42163
Aug 06 10:59:06 VM_88_10_centos pluto[4161]: packet from 27.156.26.13:42163: initial parent SA message received on 10.144.88.10:500 but no suitable connection found with IKEv2 policy
Aug 06 10:59:06 VM_88_10_centos pluto[4161]: packet from 27.156.26.13:42163: sending unencrypted notification v2N_NO_PROPOSAL_CHOSEN to 27.156.26.13:42163
Aug 06 10:59:06 VM_88_10_centos pluto[4161]: packet from 27.156.26.13:42182: sending unencrypted notification v2N_INVALID_IKE_SPI to 27.156.26.13:42182
Aug 06 10:59:08 VM_88_10_centos pluto[4161]: packet from 27.156.26.13:42182: sending unencrypted notification v2N_INVALID_IKE_SPI to 27.156.26.13:42182
Aug 06 10:59:11 VM_88_10_centos pluto[4161]: packet from 27.156.26.13:42182: sending unencrypted notification v2N_INVALID_IKE_SPI to 27.156.26.13:42182
Aug 06 11:02:07 VM_88_10_centos pluto[4161]: packet from 27.156.26.13:42163: initial parent SA message received on 10.144.88.10:500 but no suitable connection found with IKEv2 policy
Aug 06 11:02:07 VM_88_10_centos pluto[4161]: packet from 27.156.26.13:42163: sending unencrypted notification v2N_NO_PROPOSAL_CHOSEN to 27.156.26.13:42163
Aug 06 11:02:09 VM_88_10_centos pluto[4161]: packet from 27.156.26.13:42163: initial parent SA message received on 10.144.88.10:500 but no suitable connection found with IKEv2 policy
Aug 06 11:02:09 VM_88_10_centos pluto[4161]: packet from 27.156.26.13:42163: sending unencrypted notification v2N_NO_PROPOSAL_CHOSEN to 27.156.26.13:42163
Aug 06 11:02:09 VM_88_10_centos pluto[4161]: packet from 27.156.26.13:42182: sending unencrypted notification v2N_INVALID_IKE_SPI to 27.156.26.13:42182
Aug 06 11:02:11 VM_88_10_centos pluto[4161]: packet from 27.156.26.13:42182: sending unencrypted notification v2N_INVALID_IKE_SPI to 27.156.26.13:42182
Aug 06 11:02:14 VM_88_10_centos pluto[4161]: packet from 27.156.26.13:42182: sending unencrypted notification v2N_INVALID_IKE_SPI to 27.156.26.13:42182
Aug 06 11:02:16 VM_88_10_centos whack[5280]: 002 shutting down
Aug 06 11:02:16 VM_88_10_centos systemd[1]: Stopping Internet Key Exchange (IKE) Protocol Daemon for IPsec...
Aug 06 11:02:16 VM_88_10_centos ipsec[5301]: cannot load config '/etc/ipsec.conf': /etc/ipsec.conf:32: syntax error, unexpected KEYWORD, expecting $end [nat_traversal]
Aug 06 11:02:16 VM_88_10_centos systemd[1]: Stopped Internet Key Exchange (IKE) Protocol Daemon for IPsec.
-- Reboot --
Aug 06 11:02:48 VM_88_10_centos systemd[1]: Starting Internet Key Exchange (IKE) Protocol Daemon for IPsec...
Aug 06 11:02:48 VM_88_10_centos addconn[1017]: cannot load config '/etc/ipsec.conf': /etc/ipsec.conf:32: syntax error, unexpected KEYWORD, expecting $end [nat_traversal]
Aug 06 11:02:48 VM_88_10_centos systemd[1]: ipsec.service: control process exited, code=exited status=3
Aug 06 11:02:48 VM_88_10_centos systemd[1]: Failed to start Internet Key Exchange (IKE) Protocol Daemon for IPsec.
Aug 06 11:02:48 VM_88_10_centos systemd[1]: Unit ipsec.service entered failed state.
Aug 06 11:02:48 VM_88_10_centos systemd[1]: ipsec.service failed.
Aug 06 11:02:48 VM_88_10_centos systemd[1]: ipsec.service holdoff time over, scheduling restart.
Aug 06 11:02:48 VM_88_10_centos systemd[1]: Starting Internet Key Exchange (IKE) Protocol Daemon for IPsec...
Aug 06 11:02:48 VM_88_10_centos addconn[1647]: cannot load config '/etc/ipsec.conf': /etc/ipsec.conf:32: syntax error, unexpected KEYWORD, expecting $end [nat_traversal]
Aug 06 11:02:48 VM_88_10_centos systemd[1]: ipsec.service: control process exited, code=exited status=3
Aug 06 11:02:48 VM_88_10_centos systemd[1]: Failed to start Internet Key Exchange (IKE) Protocol Daemon for IPsec.
Aug 06 11:02:48 VM_88_10_centos systemd[1]: Unit ipsec.service entered failed state.
Aug 06 11:02:48 VM_88_10_centos systemd[1]: ipsec.service failed.
Aug 06 11:02:48 VM_88_10_centos systemd[1]: ipsec.service holdoff time over, scheduling restart.
Aug 06 11:02:48 VM_88_10_centos systemd[1]: Starting Internet Key Exchange (IKE) Protocol Daemon for IPsec...
Aug 06 11:02:48 VM_88_10_centos addconn[2090]: cannot load config '/etc/ipsec.conf': /etc/ipsec.conf:32: syntax error, unexpected KEYWORD, expecting $end [nat_traversal]
Aug 06 11:02:48 VM_88_10_centos systemd[1]: ipsec.service: control process exited, code=exited status=3
Aug 06 11:02:48 VM_88_10_centos systemd[1]: Failed to start Internet Key Exchange (IKE) Protocol Daemon for IPsec.
Aug 06 11:02:48 VM_88_10_centos systemd[1]: Unit ipsec.service entered failed state.
Aug 06 11:02:48 VM_88_10_centos systemd[1]: ipsec.service failed.
Aug 06 11:02:49 VM_88_10_centos systemd[1]: ipsec.service holdoff time over, scheduling restart.
Aug 06 11:02:49 VM_88_10_centos systemd[1]: Starting Internet Key Exchange (IKE) Protocol Daemon for IPsec...
Aug 06 11:02:49 VM_88_10_centos addconn[2096]: cannot load config '/etc/ipsec.conf': /etc/ipsec.conf:32: syntax error, unexpected KEYWORD, expecting $end [nat_traversal]
Aug 06 11:02:49 VM_88_10_centos systemd[1]: ipsec.service: control process exited, code=exited status=3
Aug 06 11:02:49 VM_88_10_centos systemd[1]: Failed to start Internet Key Exchange (IKE) Protocol Daemon for IPsec.
Aug 06 11:02:49 VM_88_10_centos systemd[1]: Unit ipsec.service entered failed state.
Aug 06 11:02:49 VM_88_10_centos systemd[1]: ipsec.service failed.
Aug 06 11:02:49 VM_88_10_centos systemd[1]: ipsec.service holdoff time over, scheduling restart.
Aug 06 11:02:49 VM_88_10_centos systemd[1]: Starting Internet Key Exchange (IKE) Protocol Daemon for IPsec...
Aug 06 11:02:49 VM_88_10_centos addconn[2119]: cannot load config '/etc/ipsec.conf': /etc/ipsec.conf:32: syntax error, unexpected KEYWORD, expecting $end [nat_traversal]
Aug 06 11:02:49 VM_88_10_centos systemd[1]: ipsec.service: control process exited, code=exited status=3
Aug 06 11:02:49 VM_88_10_centos systemd[1]: Failed to start Internet Key Exchange (IKE) Protocol Daemon for IPsec.
Aug 06 11:02:49 VM_88_10_centos systemd[1]: Unit ipsec.service entered failed state.
Aug 06 11:02:49 VM_88_10_centos systemd[1]: ipsec.service failed.
Aug 06 11:02:49 VM_88_10_centos systemd[1]: ipsec.service holdoff time over, scheduling restart.
Aug 06 11:02:49 VM_88_10_centos systemd[1]: start request repeated too quickly for ipsec.service
Aug 06 11:02:49 VM_88_10_centos systemd[1]: Failed to start Internet Key Exchange (IKE) Protocol Daemon for IPsec.
Aug 06 11:02:49 VM_88_10_centos systemd[1]: Unit ipsec.service entered failed state.
Aug 06 11:02:49 VM_88_10_centos systemd[1]: ipsec.service failed.
Aug 06 11:10:51 VM_88_10_centos systemd[1]: Starting Internet Key Exchange (IKE) Protocol Daemon for IPsec...
Aug 06 11:10:51 VM_88_10_centos addconn[2919]: cannot load config '/etc/ipsec.conf': /etc/ipsec.conf:32: syntax error, unexpected KEYWORD, expecting $end [nat_traversal]
Aug 06 11:10:51 VM_88_10_centos systemd[1]: ipsec.service: control process exited, code=exited status=3
Aug 06 11:10:51 VM_88_10_centos systemd[1]: Failed to start Internet Key Exchange (IKE) Protocol Daemon for IPsec.
Aug 06 11:10:51 VM_88_10_centos systemd[1]: Unit ipsec.service entered failed state.
Aug 06 11:10:51 VM_88_10_centos systemd[1]: ipsec.service failed.
Aug 06 11:10:51 VM_88_10_centos systemd[1]: ipsec.service holdoff time over, scheduling restart.
Aug 06 11:10:51 VM_88_10_centos systemd[1]: Starting Internet Key Exchange (IKE) Protocol Daemon for IPsec...
Aug 06 11:10:51 VM_88_10_centos addconn[2921]: cannot load config '/etc/ipsec.conf': /etc/ipsec.conf:32: syntax error, unexpected KEYWORD, expecting $end [nat_traversal]
Aug 06 11:10:51 VM_88_10_centos systemd[1]: ipsec.service: control process exited, code=exited status=3
Aug 06 11:10:51 VM_88_10_centos systemd[1]: Failed to start Internet Key Exchange (IKE) Protocol Daemon for IPsec.
Aug 06 11:10:51 VM_88_10_centos systemd[1]: Unit ipsec.service entered failed state.
Aug 06 11:10:51 VM_88_10_centos systemd[1]: ipsec.service failed.
Aug 06 11:10:52 VM_88_10_centos systemd[1]: ipsec.service holdoff time over, scheduling restart.
Aug 06 11:10:52 VM_88_10_centos systemd[1]: Starting Internet Key Exchange (IKE) Protocol Daemon for IPsec...
Aug 06 11:10:52 VM_88_10_centos addconn[2923]: cannot load config '/etc/ipsec.conf': /etc/ipsec.conf:32: syntax error, unexpected KEYWORD, expecting $end [nat_traversal]
Aug 06 11:10:52 VM_88_10_centos systemd[1]: ipsec.service: control process exited, code=exited status=3
Aug 06 11:10:52 VM_88_10_centos systemd[1]: Failed to start Internet Key Exchange (IKE) Protocol Daemon for IPsec.
Aug 06 11:10:52 VM_88_10_centos systemd[1]: Unit ipsec.service entered failed state.
Aug 06 11:10:52 VM_88_10_centos systemd[1]: ipsec.service failed.
Aug 06 11:10:52 VM_88_10_centos systemd[1]: ipsec.service holdoff time over, scheduling restart.
Aug 06 11:10:52 VM_88_10_centos systemd[1]: Starting Internet Key Exchange (IKE) Protocol Daemon for IPsec...
Aug 06 11:10:52 VM_88_10_centos addconn[2925]: cannot load config '/etc/ipsec.conf': /etc/ipsec.conf:32: syntax error, unexpected KEYWORD, expecting $end [nat_traversal]
Aug 06 11:10:52 VM_88_10_centos systemd[1]: ipsec.service: control process exited, code=exited status=3
Aug 06 11:10:52 VM_88_10_centos systemd[1]: Failed to start Internet Key Exchange (IKE) Protocol Daemon for IPsec.
Aug 06


    
        
            宿主機訪問docker 內(nèi)的nodejs 項目失敗
        
        
            
                遺莣
                回答
            
            @eason_li 


        
    
    
        
            下面關(guān)于cookie的實驗是正確的嗎
        
        
            
                凹凸曼
                回答
            
            4 的意思是說獲取到sessionid之后再刪除 然后再訪問 得不到sessionid嗎?
tomcat應(yīng)該是判斷請求中如果有sessionid就繼續(xù)會話 , 沒有的話就new 一個新的session 返回sessionid吧
在瀏覽器把包含sessionid的cookie刪了 , 服務(wù)器應(yīng)該會認(rèn)為是一個新的會話 返回新的sessionid 和路徑?jīng)]有關(guān)系
        
    
    
        
            github上commit時message中能夾帶別的項目的某一次commit的鏈接么?
        
        
            
                菊外人
                回答
            
            你的想法應(yīng)該實現(xiàn)不了，原因如下：

你是 watch 項目，也就是說你不是項目的參與者，而是旁觀者；
你 fork 了 watch 的倉庫，你定期拉取源倉庫的版本合并到本地倉庫，并把本地倉庫推送到自己的 fork 后的遠(yuǎn)程倉庫，實現(xiàn)自己的 fork 倉庫與源倉庫的同步。
在上面的第2步中，你一旦修改 commit message，你的本地倉庫就和源倉庫不同了，這樣，你就相當(dāng)于參與項目了。換句話說，你把自己的 commit message 推送到自己 fork 的遠(yuǎn)程倉庫中，你的 fork 倉庫就和源倉庫不一致了，這就違背了你的初衷。你是希望 fork 的倉庫和源倉庫保持同步的。

源倉庫的版本更新后，你想知道自己的倉庫跟源倉庫到底有哪些差異，可以通過 git log 來查看的，git log 是按時間倒序排列的，也就是看到的第一個 commit 就是最近的更新。這樣，你查看源倉庫提交的 log，再查看自己本地倉庫的 log，兩者的差異就能比對出來了。
        
    
    
        
            thinkphp中兩個字段有相同值怎么拼接成or邏輯的數(shù)組？
        
        
            
                骨殘心
                回答
            
            $where[’id|name’]=samething
        
    
    
        
            mysql數(shù)據(jù)庫中一張表最多可以存放多少個字段？
        
        
            
                不討喜
                回答
            
            官網(wǎng)：MySQL :: MySQL 5.5 Reference Manual :: C.10.4 Limits on Table Column Count and Row Size: https://dev.mysql.com/doc/ref...
MySQL has hard limit of 4096 columns per table, but the effective maximum may be less for a given table. The exact column limit depends on several factors:
還有，如果都考慮列數(shù)極限了，那么就要思考一下設(shè)計是不是有問題了
        
    
    
        
            網(wǎng)站每次訪問部分圖片503錯誤，刷新后正常顯示，如何破？
        
        
            
                淺時光
                回答
            
            503是服務(wù)器端發(fā)生錯誤
        
    
    
        
            docker中mysql容器無法啟動  ps -a后發(fā)現(xiàn)是已經(jīng)啟動但是又自動關(guān)閉了
        
        
            
                凹凸曼
                回答
            
            日志當(dāng)中提到了:
Failed to find valid data directory
那么說明，你在設(shè)置volume的時候，兩個對應(yīng)的文件夾可能其中一個為空（估計就是沒有/yundata/docker-data），你可以先把『-v  /yundata/docker-data/:/var/lib/mysql』這段去掉，然后啟動試試，應(yīng)該是沒問題的。
當(dāng)然，你也可以手動先
mkdir /yundata/docker-data
再試著創(chuàng)建一下容器。
希望能幫助到你。
        
    
    
        
            nginx本地測試環(huán)境搭建問題
        
        
            
                吃藕丑
                回答
            
            hosts里面不要加端口號
192.168.0.111   m.hostname.com

剛剛寫錯了，其實你應(yīng)該寫本機的ip，而不是內(nèi)網(wǎng)ip
127.0.0.1   m.hostname.com
        
    
    
        
            hexo搭建的blog，換了電腦無法上傳了，怎么調(diào)git？
        
        
            
                情已空
                回答
            
            在你的項目根目錄找到 _config.yml 文件，在文件尾部修改：
deploy:
  type: git
  repository: git@github.com:xxx/xxx.git
  branch: master
        
    
    
        
            vim 編輯go文件報錯？
        
        
            
                懷中人
                回答
            
            vim-go requires Vim 7.4.1689 or Neovim, but you're using an older version.
做開發(fā)的，英文就算再差，這一句總應(yīng)該能看懂吧
        
    
    
        
            C++ 的thread不能改變引用參數(shù)的值嗎
        
        
            
                維他命
                回答
            
            標(biāo)準(zhǔn)約定std::thread構(gòu)造時向函數(shù)對象傳遞實際參數(shù)的拷貝（支持移動語義），而不是轉(zhuǎn)發(fā)實際參數(shù)（你可以通過打印實際參數(shù)和形式參數(shù)的地址來檢測這一行為）。即fun的形式參數(shù)是被a的拷貝初始化的，所以形式參數(shù)a并不是main函數(shù)內(nèi)a的引用，在fun內(nèi)賦值自然不會改變main函數(shù)內(nèi)a的值。
如果你希望“以引用的方式傳參”，常用解決方案之一是使用std::ref，即std::thread(fun, std::ref(a));。
        
    
    
        
            在小程序中進行RSA加解密由于源碼可被第三方獲取也就是密鑰也會泄露，如何解決這個問題。
        
        
            
                貓館
                回答
            
            一般來說RSA加密解密需要有兩方。一方拿公鑰加密，一方拿私鑰解密。你打算在小程序里實現(xiàn)的是加密還是解密呢？如果加密解密都有那意義何在？
可以明確一下具體需求嗎。
        
    
    
        
            DoraCMS配置到線上服務(wù)器
        
        
            
                厭遇
                回答
            
            服務(wù)器環(huán)境變量配置為 production
        
    
    
        
            有用過MD5withRSA加密的嗎,加密的數(shù)據(jù)怎么是亂碼
        
        
            
                吃藕丑
                回答
            
            base64_encode一下


        

    
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