If there are several versions of a tool installed in Redhat. Use command update-alternatives for prioritization.
For instance with Python, saying Python 2.6, 2.7 and 3.6 versions are installed. With r...
3月22日到6月1日，上海经过了长达70天的封城，今天终于迎来了全市解封。
昨天全市新增感染人数只有14个了，数据确实也支持解封。
但是这解封的行政指令来的太突然，太彻底了，对于大部分上海市民来说都有种猝不及防的感觉。当然瞬间的猝不及防之后就是压抑已久的情绪释放，于是今天出现了大量户外群体聚集的情况，大部分公司瞬间回到正常上班状态，这直接导致下班时间部分路段出现大堵车。这可是解封第一天啊！
事...
Overview
You see an s instead of x in the file permissions? Linux has some special file permissions called SUID, GUID and Sticky Bit. Know more about them.
File permissions and ownership are the ba...
2022-5-28
浦东
黄浦
徐汇
长宁
静安
普陀
虹口
杨浦
闵行
宝山
嘉定
松江
青浦
新增确诊
1
0
1
1
1
0
2
0
0
5
0
0
0
新增无症状
17
4
8
6
10
0
11
24
6
5
0
0
2
...
IntroductionThe Cron daemon is a built-in Linux utility that runs processes on your system at a scheduled time. Cron reads the crontab (cron tables) for predefined commands and scripts.
By using a spe...
2022/5/23
区县
浦东
黄浦
徐汇
长宁
静安
普陀
虹口
杨浦
闵行
宝山
嘉定
松江
青浦
新增确诊
5
0
0
0
2
1
6
2
0
3
0
0
0
新增无症状
53
29
26
14
50
11
82
108
13
35
1
7
3
...
Quotation from www.quora.comThe abbreviation “no.” for the word “number” comes from the numero symbol, № (also written as “No.” or “no.”), which is in turn derived from Latin numero. As you can see, ...
2022/5/18
全市新增确诊
全市新增无症状
浦东新增确诊
浦东新增无症状
82
637
13
62
...
2022/5/15
全市新增确诊
全市新增无症状
浦东新增确诊
浦东新增无症状
69
869
3
95
...